diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 544c24c003..eb9e9a0b73 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -145,7 +145,7 @@ The HTML and CSS for your apps runtime pages, as well as the budibase client lib
 
 #### Backend
 
-The backend schema, tables and records are stored using PouchDB when developing locally, and in [CouchDB](https://pouchdb.com/) when running in production.
+/he backend schema, tables and rows are stored using PouchDB when developing locally, and in [CouchDB](https://pouchdb.com/) when running in production.
 
 ### Publishing Budibase to NPM
 
diff --git a/packages/builder/cypress/integration/createAutomation.spec.js b/packages/builder/cypress/integration/createAutomation.spec.js
index 26af4fac71..67132c736b 100644
--- a/packages/builder/cypress/integration/createAutomation.spec.js
+++ b/packages/builder/cypress/integration/createAutomation.spec.js
@@ -16,7 +16,7 @@ context("Create a automation", () => {
     cy.contains("automate").click()
     cy.contains("Create New Automation").click()
     cy.get(".modal").within(() => {
-      cy.get("input").type("Add Record")
+      cy.get("input").type("Add Row")
       cy.get(".buttons")
         .contains("Create")
         .click()
@@ -24,7 +24,7 @@ context("Create a automation", () => {
 
     // Add trigger
     cy.get("[data-cy=add-automation-component]").click()
-    cy.get("[data-cy=RECORD_SAVED]").click()
+    cy.get("[data-cy=ROW_SAVED]").click()
     cy.get("[data-cy=automation-block-setup]").within(() => {
       cy.get("select")
         .first()
@@ -32,7 +32,7 @@ context("Create a automation", () => {
     })
 
     // Create action
-    cy.get("[data-cy=CREATE_RECORD]").click()
+    cy.get("[data-cy=CREATE_ROW]").click()
     cy.get("[data-cy=automation-block-setup]").within(() => {
       cy.get("select")
         .first()
@@ -53,9 +53,9 @@ context("Create a automation", () => {
     cy.get(".stop-button.highlighted").should("be.visible")
   })
 
-  it("should add record when a new record is added", () => {
+  it("should add row when a new row is added", () => {
     cy.contains("backend").click()
-    cy.addRecord(["Rover", 15])
+    cy.addRow(["Rover", 15])
     cy.reload()
     cy.contains("goodboy").should("have.text", "goodboy")
   })
diff --git a/packages/builder/cypress/integration/createComponents.spec.js b/packages/builder/cypress/integration/createComponents.spec.js
index 2e247f7110..f2035bf16b 100644
--- a/packages/builder/cypress/integration/createComponents.spec.js
+++ b/packages/builder/cypress/integration/createComponents.spec.js
@@ -6,7 +6,7 @@ xcontext('Create Components', () => {
         // https://on.cypress.io/type
         cy.createApp('Model App', 'Model App Description')
         cy.createTable('dog', 'name', 'age')
-        cy.addRecord('bob', '15')
+        cy.addRow('bob', '15')
     })
 
     // https://on.cypress.io/interacting-with-elements
diff --git a/packages/builder/cypress/integration/createTable.spec.js b/packages/builder/cypress/integration/createTable.spec.js
index d7ae805b27..36aed6e058 100644
--- a/packages/builder/cypress/integration/createTable.spec.js
+++ b/packages/builder/cypress/integration/createTable.spec.js
@@ -16,8 +16,8 @@ context("Create a Table", () => {
     cy.contains("name").should("be.visible")
   })
 
-  it("creates a record in the table", () => {
-    cy.addRecord(["Rover"])
+  it("creates a row in the table", () => {
+    cy.addRow(["Rover"])
     cy.contains("Rover").should("be.visible")
   })
 
@@ -32,7 +32,7 @@ context("Create a Table", () => {
     cy.contains("nameupdated").should("have.text", "nameupdated")
   })
 
-  it("edits a record", () => {
+  it("edits a row", () => {
     cy.get("tbody .ri-more-line").click()
     cy.get("[data-cy=edit-row]").click()
     cy.get(".modal input").type("Updated")
@@ -40,7 +40,7 @@ context("Create a Table", () => {
     cy.contains("RoverUpdated").should("have.text", "RoverUpdated")
   })
 
-  it("deletes a record", () => {
+  it("deletes a row", () => {
     cy.get("tbody .ri-more-line").click()
     cy.get("[data-cy=delete-row]").click()
     cy.contains("Delete Row").click()
diff --git a/packages/builder/cypress/integration/createView.spec.js b/packages/builder/cypress/integration/createView.spec.js
index c224b8af42..e35688c813 100644
--- a/packages/builder/cypress/integration/createView.spec.js
+++ b/packages/builder/cypress/integration/createView.spec.js
@@ -7,13 +7,13 @@ context("Create a View", () => {
     cy.addColumn("data", "age", "Number")
     cy.addColumn("data", "rating", "Number")
 
-    // 6 Records
-    cy.addRecord(["Students", 25, 1])
-    cy.addRecord(["Students", 20, 3])
-    cy.addRecord(["Students", 18, 6])
-    cy.addRecord(["Students", 25, 2])
-    cy.addRecord(["Teachers", 49, 5])
-    cy.addRecord(["Teachers", 36, 3])
+    // 6 Rows
+    cy.addRow(["Students", 25, 1])
+    cy.addRow(["Students", 20, 3])
+    cy.addRow(["Students", 18, 6])
+    cy.addRow(["Students", 25, 2])
+    cy.addRow(["Teachers", 49, 5])
+    cy.addRow(["Teachers", 36, 3])
   })
 
   it("creates a view", () => {
diff --git a/packages/builder/cypress/support/commands.js b/packages/builder/cypress/support/commands.js
index bcc82a0396..cf47051d38 100644
--- a/packages/builder/cypress/support/commands.js
+++ b/packages/builder/cypress/support/commands.js
@@ -92,7 +92,7 @@ Cypress.Commands.add("addColumn", (tableName, columnName, type) => {
   })
 })
 
-Cypress.Commands.add("addRecord", values => {
+Cypress.Commands.add("addRow", values => {
   cy.contains("Create New Row").click()
 
   cy.get(".modal").within(() => {
diff --git a/packages/builder/src/builderStore/store/automation/tests/testAutomation.js b/packages/builder/src/builderStore/store/automation/tests/testAutomation.js
index 8f714bdead..3fafbaf1d0 100644
--- a/packages/builder/src/builderStore/store/automation/tests/testAutomation.js
+++ b/packages/builder/src/builderStore/store/automation/tests/testAutomation.js
@@ -26,11 +26,11 @@ export default {
     ],
     trigger: {
       id: "iRzYMOqND",
-      name: "Record Saved",
-      event: "record:save",
+      name: "Row Saved",
+      event: "row:save",
       icon: "ri-save-line",
-      tagline: "Record is added to <b>{{table.name}}</b>",
-      description: "Fired when a record is saved to your database.",
+      tagline: "Row is added to <b>{{table.name}}</b>",
+      description: "Fired when a row is saved to your database.",
       params: { table: "table" },
       type: "TRIGGER",
       args: {
@@ -65,7 +65,7 @@ export default {
           _rev: "7-b8aa1ce0b53e88928bb88fc11bdc0aff",
         },
       },
-      stepId: "RECORD_SAVED",
+      stepId: "ROW_SAVED",
     },
   },
   type: "automation",
diff --git a/packages/builder/src/builderStore/store/backend.js b/packages/builder/src/builderStore/store/backend.js
index a5d7afcbb5..d89796f9cc 100644
--- a/packages/builder/src/builderStore/store/backend.js
+++ b/packages/builder/src/builderStore/store/backend.js
@@ -27,7 +27,7 @@ export const getBackendUiStore = () => {
         })
       },
     },
-    records: {
+    rows: {
       save: () =>
         store.update(state => {
           state.selectedView = state.selectedView
@@ -38,9 +38,9 @@ export const getBackendUiStore = () => {
           state.selectedView = state.selectedView
           return state
         }),
-      select: record =>
+      select: row =>
         store.update(state => {
-          state.selectedRecord = record
+          state.selectedRow = row
           return state
         }),
     },
diff --git a/packages/builder/src/components/automation/AutomationBuilder/flowchart/AutomationBlockTagline.svelte b/packages/builder/src/components/automation/AutomationBuilder/flowchart/AutomationBlockTagline.svelte
index b0a588314f..aca1e7f90d 100644
--- a/packages/builder/src/components/automation/AutomationBuilder/flowchart/AutomationBlockTagline.svelte
+++ b/packages/builder/src/components/automation/AutomationBuilder/flowchart/AutomationBlockTagline.svelte
@@ -13,7 +13,7 @@
 
   function enrichInputs(inputs) {
     let enrichedInputs = { ...inputs, enriched: {} }
-    const tableId = inputs.tableId || inputs.record?.tableId
+    const tableId = inputs.tableId || inputs.row?.tableId
     if (tableId) {
       enrichedInputs.enriched.table = $backendUiStore.tables.find(
         table => table._id === tableId
diff --git a/packages/builder/src/components/automation/SetupPanel/AutomationBlockSetup.svelte b/packages/builder/src/components/automation/SetupPanel/AutomationBlockSetup.svelte
index a43126afbb..896652dbb7 100644
--- a/packages/builder/src/components/automation/SetupPanel/AutomationBlockSetup.svelte
+++ b/packages/builder/src/components/automation/SetupPanel/AutomationBlockSetup.svelte
@@ -1,6 +1,6 @@
 <script>
   import TableSelector from "./ParamInputs/TableSelector.svelte"
-  import RecordSelector from "./ParamInputs/RecordSelector.svelte"
+  import RowSelector from "./ParamInputs/RowSelector.svelte"
   import { Input, TextArea, Select, Label } from "@budibase/bbui"
   import { automationStore } from "builderStore"
   import BindableInput from "../../userInterface/BindableInput.svelte"
@@ -62,8 +62,8 @@
         <Input type="password" thin bind:value={block.inputs[key]} />
       {:else if value.customType === 'table'}
         <TableSelector bind:value={block.inputs[key]} />
-      {:else if value.customType === 'record'}
-        <RecordSelector bind:value={block.inputs[key]} {bindings} />
+      {:else if value.customType === 'row'}
+        <RowSelector bind:value={block.inputs[key]} {bindings} />
       {:else if value.type === 'string' || value.type === 'number'}
         <BindableInput
           type="string"
diff --git a/packages/builder/src/components/automation/SetupPanel/ParamInputs/RecordSelector.svelte b/packages/builder/src/components/automation/SetupPanel/ParamInputs/RowSelector.svelte
similarity index 100%
rename from packages/builder/src/components/automation/SetupPanel/ParamInputs/RecordSelector.svelte
rename to packages/builder/src/components/automation/SetupPanel/ParamInputs/RowSelector.svelte
diff --git a/packages/builder/src/components/backend/DataTable/DataTable.svelte b/packages/builder/src/components/backend/DataTable/DataTable.svelte
index b714d97304..9a5eaef83a 100644
--- a/packages/builder/src/components/backend/DataTable/DataTable.svelte
+++ b/packages/builder/src/components/backend/DataTable/DataTable.svelte
@@ -17,12 +17,12 @@
     name: $backendUiStore.selectedView.name,
   }
 
-  // Fetch records for specified table
+  // Fetch rows for specified table
   $: {
     if ($backendUiStore.selectedView?.name?.startsWith("all_")) {
       loading = true
-      api.fetchDataForView($backendUiStore.selectedView).then(records => {
-        data = records || []
+      api.fetchDataForView($backendUiStore.selectedView).then(rows => {
+        data = rows || []
         loading = false
       })
     }
diff --git a/packages/builder/src/components/backend/DataTable/RelationshipDataTable.svelte b/packages/builder/src/components/backend/DataTable/RelationshipDataTable.svelte
index f50cc004ff..d9bae810cb 100644
--- a/packages/builder/src/components/backend/DataTable/RelationshipDataTable.svelte
+++ b/packages/builder/src/components/backend/DataTable/RelationshipDataTable.svelte
@@ -5,36 +5,36 @@
   import { backendUiStore } from "builderStore"
 
   export let tableId
-  export let recordId
+  export let rowId
   export let fieldName
 
-  let record
+  let row
   let title
 
-  $: data = record?.[fieldName] ?? []
+  $: data = row?.[fieldName] ?? []
   $: linkedTableId = data?.length ? data[0].tableId : null
   $: linkedTable = $backendUiStore.tables.find(
     table => table._id === linkedTableId
   )
   $: schema = linkedTable?.schema
   $: table = $backendUiStore.tables.find(table => table._id === tableId)
-  $: fetchData(tableId, recordId)
+  $: fetchData(tableId, rowId)
   $: {
-    let recordLabel = record?.[table?.primaryDisplay]
-    if (recordLabel) {
-      title = `${recordLabel} - ${fieldName}`
+    let rowLabel = row?.[table?.primaryDisplay]
+    if (rowLabel) {
+      title = `${rowLabel} - ${fieldName}`
     } else {
       title = fieldName
     }
   }
 
-  async function fetchData(tableId, recordId) {
-    const QUERY_VIEW_URL = `/api/${tableId}/${recordId}/enrich`
+  async function fetchData(tableId, rowId) {
+    const QUERY_VIEW_URL = `/api/${tableId}/${rowId}/enrich`
     const response = await api.get(QUERY_VIEW_URL)
-    record = await response.json()
+    row = await response.json()
   }
 </script>
 
-{#if record && record._id === recordId}
+{#if row && row._id === rowId}
   <Table {title} {schema} {data} />
 {/if}
diff --git a/packages/builder/src/components/backend/DataTable/RecordFieldControl.svelte b/packages/builder/src/components/backend/DataTable/RowFieldControl.svelte
similarity index 87%
rename from packages/builder/src/components/backend/DataTable/RecordFieldControl.svelte
rename to packages/builder/src/components/backend/DataTable/RowFieldControl.svelte
index 50d13557fd..f974e521c4 100644
--- a/packages/builder/src/components/backend/DataTable/RecordFieldControl.svelte
+++ b/packages/builder/src/components/backend/DataTable/RowFieldControl.svelte
@@ -2,7 +2,7 @@
   import { Input, Select, Label, DatePicker, Toggle } from "@budibase/bbui"
   import Dropzone from "components/common/Dropzone.svelte"
   import { capitalise } from "../../../helpers"
-  import LinkedRecordSelector from "components/common/LinkedRecordSelector.svelte"
+  import LinkedRowSelector from "components/common/LinkedRowSelector.svelte"
 
   export let meta
   export let value = meta.type === "boolean" ? false : ""
@@ -28,7 +28,7 @@
 {:else if type === 'boolean'}
   <Toggle text={label} bind:checked={value} data-cy="{meta.name}-input" />
 {:else if type === 'link'}
-  <LinkedRecordSelector bind:linkedRecords={value} schema={meta} />
+  <LinkedRowSelector bind:linkedRows={value} schema={meta} />
 {:else}
   <Input thin {label} data-cy="{meta.name}-input" {type} bind:value />
 {/if}
diff --git a/packages/builder/src/components/backend/DataTable/Table.svelte b/packages/builder/src/components/backend/DataTable/Table.svelte
index 9c387ca6b2..dde114a76c 100644
--- a/packages/builder/src/components/backend/DataTable/Table.svelte
+++ b/packages/builder/src/components/backend/DataTable/Table.svelte
@@ -10,7 +10,7 @@
   import ActionButton from "components/common/ActionButton.svelte"
   import AttachmentList from "./AttachmentList.svelte"
   import TablePagination from "./TablePagination.svelte"
-  import CreateEditRecordModal from "./modals/CreateEditRecordModal.svelte"
+  import CreateEditRowModal from "./modals/CreateEditRowModal.svelte"
   import RowPopover from "./buttons/CreateRowButton.svelte"
   import ColumnPopover from "./buttons/CreateColumnButton.svelte"
   import ViewPopover from "./buttons/CreateViewButton.svelte"
@@ -41,12 +41,12 @@
       : []
   $: tableId = data?.length ? data[0].tableId : null
 
-  function selectRelationship(record, fieldName) {
-    if (!record?.[fieldName]?.length) {
+  function selectRelationship(row, fieldName) {
+    if (!row?.[fieldName]?.length) {
       return
     }
     $goto(
-      `/${$params.application}/backend/table/${tableId}/relationship/${record._id}/${fieldName}`
+      `/${$params.application}/backend/table/${tableId}/relationship/${row._id}/${fieldName}`
     )
   }
 </script>
diff --git a/packages/builder/src/components/backend/DataTable/ViewDataTable.svelte b/packages/builder/src/components/backend/DataTable/ViewDataTable.svelte
index ec94ae2aa6..d3c82e4f7c 100644
--- a/packages/builder/src/components/backend/DataTable/ViewDataTable.svelte
+++ b/packages/builder/src/components/backend/DataTable/ViewDataTable.svelte
@@ -12,7 +12,7 @@
 
   $: name = view.name
 
-  // Fetch records for specified view
+  // Fetch rows for specified view
   $: {
     if (!name.startsWith("all_")) {
       fetchViewData(name, view.field, view.groupBy)
diff --git a/packages/builder/src/components/backend/DataTable/api.js b/packages/builder/src/components/backend/DataTable/api.js
index b14a7fc613..496db35b3f 100644
--- a/packages/builder/src/components/backend/DataTable/api.js
+++ b/packages/builder/src/components/backend/DataTable/api.js
@@ -6,22 +6,22 @@ export async function createUser(user) {
   return await response.json()
 }
 
-export async function saveRecord(record, tableId) {
-  const SAVE_RECORDS_URL = `/api/${tableId}/records`
-  const response = await api.post(SAVE_RECORDS_URL, record)
+export async function saveRow(row, tableId) {
+  const SAVE_ROWS_URL = `/api/${tableId}/rows`
+  const response = await api.post(SAVE_ROWS_URL, row)
 
   return await response.json()
 }
 
-export async function deleteRecord(record) {
-  const DELETE_RECORDS_URL = `/api/${record.tableId}/records/${record._id}/${record._rev}`
-  const response = await api.delete(DELETE_RECORDS_URL)
+export async function deleteRow(row) {
+  const DELETE_ROWS_URL = `/api/${row.tableId}/rows/${row._id}/${row._rev}`
+  const response = await api.delete(DELETE_ROWS_URL)
   return response
 }
 
 export async function fetchDataForView(view) {
-  const FETCH_RECORDS_URL = `/api/views/${view.name}`
+  const FETCH_ROWS_URL = `/api/views/${view.name}`
 
-  const response = await api.get(FETCH_RECORDS_URL)
+  const response = await api.get(FETCH_ROWS_URL)
   return await response.json()
 }
diff --git a/packages/builder/src/components/backend/DataTable/buttons/CreateRowButton.svelte b/packages/builder/src/components/backend/DataTable/buttons/CreateRowButton.svelte
index 1ef0333398..3c0444881f 100644
--- a/packages/builder/src/components/backend/DataTable/buttons/CreateRowButton.svelte
+++ b/packages/builder/src/components/backend/DataTable/buttons/CreateRowButton.svelte
@@ -1,6 +1,6 @@
 <script>
   import { TextButton as Button, Icon, Modal } from "@budibase/bbui"
-  import CreateEditRecordModal from "../modals/CreateEditRecordModal.svelte"
+  import CreateEditRowModal from "../modals/CreateEditRowModal.svelte"
 
   let modal
 </script>
@@ -12,5 +12,5 @@
   </Button>
 </div>
 <Modal bind:this={modal}>
-  <CreateEditRecordModal />
+  <CreateEditRowModal />
 </Modal>
diff --git a/packages/builder/src/components/backend/DataTable/modals/CreateEditRecordModal.svelte b/packages/builder/src/components/backend/DataTable/modals/CreateEditRowModal.svelte
similarity index 50%
rename from packages/builder/src/components/backend/DataTable/modals/CreateEditRecordModal.svelte
rename to packages/builder/src/components/backend/DataTable/modals/CreateEditRowModal.svelte
index 08aaae1880..2cc0113f55 100644
--- a/packages/builder/src/components/backend/DataTable/modals/CreateEditRecordModal.svelte
+++ b/packages/builder/src/components/backend/DataTable/modals/CreateEditRowModal.svelte
@@ -1,46 +1,46 @@
 <script>
   import { backendUiStore } from "builderStore"
   import { notifier } from "builderStore/store/notifications"
-  import RecordFieldControl from "../RecordFieldControl.svelte"
+  import RowFieldControl from "../RowFieldControl.svelte"
   import * as api from "../api"
   import { ModalContent } from "@budibase/bbui"
   import ErrorsBox from "components/common/ErrorsBox.svelte"
 
-  export let record = {}
+  export let row = {}
 
   let errors = []
 
-  $: creating = record?._id == null
-  $: table = record.tableId
-    ? $backendUiStore.tables.find(table => table._id === record?.tableId)
+  $: creating = row?._id == null
+  $: table = row.tableId
+    ? $backendUiStore.tables.find(table => table._id === row?.tableId)
     : $backendUiStore.selectedTable
   $: tableSchema = Object.entries(table?.schema ?? {})
 
-  async function saveRecord() {
-    const recordResponse = await api.saveRecord(
-      { ...record, tableId: table._id },
+  async function saveRow() {
+    const rowResponse = await api.saveRow(
+      { ...row, tableId: table._id },
       table._id
     )
-    if (recordResponse.errors) {
-      errors = Object.keys(recordResponse.errors)
-        .map(k => ({ dataPath: k, message: recordResponse.errors[k] }))
+    if (rowResponse.errors) {
+      errors = Object.keys(rowResponse.errors)
+        .map(k => ({ dataPath: k, message: rowResponse.errors[k] }))
         .flat()
       // Prevent modal closing if there were errors
       return false
     }
-    notifier.success("Record saved successfully.")
-    backendUiStore.actions.records.save(recordResponse)
+    notifier.success("Row saved successfully.")
+    backendUiStore.actions.rows.save(rowResponse)
   }
 </script>
 
 <ModalContent
   title={creating ? 'Create Row' : 'Edit Row'}
   confirmText={creating ? 'Create Row' : 'Save Row'}
-  onConfirm={saveRecord}>
+  onConfirm={saveRow}>
   <ErrorsBox {errors} />
   {#each tableSchema as [key, meta]}
     <div>
-      <RecordFieldControl {meta} bind:value={record[key]} />
+      <RowFieldControl {meta} bind:value={row[key]} />
     </div>
   {/each}
 </ModalContent>
diff --git a/packages/builder/src/components/backend/DataTable/popovers/CreateEditColumnPopover.svelte b/packages/builder/src/components/backend/DataTable/popovers/CreateEditColumnPopover.svelte
index 4caa3e3d40..a03c3def9b 100644
--- a/packages/builder/src/components/backend/DataTable/popovers/CreateEditColumnPopover.svelte
+++ b/packages/builder/src/components/backend/DataTable/popovers/CreateEditColumnPopover.svelte
@@ -19,7 +19,7 @@
   import Checkbox from "components/common/Checkbox.svelte"
   import ActionButton from "components/common/ActionButton.svelte"
   import DatePicker from "components/common/DatePicker.svelte"
-  import LinkedRecordSelector from "components/common/LinkedRecordSelector.svelte"
+  import LinkedRowSelector from "components/common/LinkedRowSelector.svelte"
   import * as api from "../api"
 
   let fieldDefinitions = cloneDeep(FIELDS)
diff --git a/packages/builder/src/components/backend/DataTable/popovers/RowPopover.svelte b/packages/builder/src/components/backend/DataTable/popovers/RowPopover.svelte
index 040fc34fab..786c062245 100644
--- a/packages/builder/src/components/backend/DataTable/popovers/RowPopover.svelte
+++ b/packages/builder/src/components/backend/DataTable/popovers/RowPopover.svelte
@@ -1,7 +1,7 @@
 <script>
   import { backendUiStore } from "builderStore"
   import { DropdownMenu, Icon, Modal } from "@budibase/bbui"
-  import CreateEditRecordModal from "../modals/CreateEditRecordModal.svelte"
+  import CreateEditRowModal from "../modals/CreateEditRowModal.svelte"
   import * as api from "../api"
   import { notifier } from "builderStore/store/notifications"
   import ConfirmDialog from "components/common/ConfirmDialog.svelte"
@@ -24,9 +24,9 @@
   }
 
   async function deleteRow() {
-    await api.deleteRecord(row)
-    notifier.success("Record deleted")
-    backendUiStore.actions.records.delete(row)
+    await api.deleteRow(row)
+    notifier.success("Row deleted")
+    backendUiStore.actions.rows.delete(row)
   }
 </script>
 
@@ -52,7 +52,7 @@
   onOk={deleteRow}
   title="Confirm Delete" />
 <Modal bind:this={modal}>
-  <CreateEditRecordModal record={row} />
+  <CreateEditRowModal row={row} />
 </Modal>
 
 <style>
diff --git a/packages/builder/src/components/common/LinkedRecordSelector.svelte b/packages/builder/src/components/common/LinkedRowSelector.svelte
similarity index 61%
rename from packages/builder/src/components/common/LinkedRecordSelector.svelte
rename to packages/builder/src/components/common/LinkedRowSelector.svelte
index 174cf4e1ac..6bd3fc3a0f 100644
--- a/packages/builder/src/components/common/LinkedRecordSelector.svelte
+++ b/packages/builder/src/components/common/LinkedRowSelector.svelte
@@ -6,30 +6,30 @@
   import { capitalise } from "../../helpers"
 
   export let schema
-  export let linkedRecords = []
+  export let linkedRows = []
 
-  let records = []
+  let rows = []
 
   $: label = capitalise(schema.name)
   $: linkedTableId = schema.tableId
   $: linkedTable = $backendUiStore.tables.find(
     table => table._id === linkedTableId
   )
-  $: fetchRecords(linkedTableId)
+  $: fetchRows(linkedTableId)
 
-  async function fetchRecords(linkedTableId) {
-    const FETCH_RECORDS_URL = `/api/${linkedTableId}/records`
+  async function fetchRows(linkedTableId) {
+    const FETCH_ROWS_URL = `/api/${linkedTableId}/rows`
     try {
-      const response = await api.get(FETCH_RECORDS_URL)
-      records = await response.json()
+      const response = await api.get(FETCH_ROWS_URL)
+      rows = await response.json()
     } catch (error) {
       console.log(error)
-      records = []
+      rows = []
     }
   }
 
-  function getPrettyName(record) {
-    return record[linkedTable.primaryDisplay || "_id"]
+  function getPrettyName(row) {
+    return row[linkedTable.primaryDisplay || "_id"]
   }
 </script>
 
@@ -43,11 +43,11 @@
 {:else}
   <Multiselect
     secondary
-    bind:value={linkedRecords}
+    bind:value={linkedRows}
     {label}
     placeholder="Choose some options">
-    {#each records as record}
-      <option value={record._id}>{getPrettyName(record)}</option>
+    {#each rows as row}
+      <option value={row._id}>{getPrettyName(row)}</option>
     {/each}
   </Multiselect>
 {/if}
diff --git a/packages/builder/src/components/userInterface/EventsEditor/actions/CreateRecord.svelte b/packages/builder/src/components/userInterface/EventsEditor/actions/CreateRow.svelte
similarity index 100%
rename from packages/builder/src/components/userInterface/EventsEditor/actions/CreateRecord.svelte
rename to packages/builder/src/components/userInterface/EventsEditor/actions/CreateRow.svelte
diff --git a/packages/builder/src/components/userInterface/EventsEditor/actions/UpdateRecord.svelte b/packages/builder/src/components/userInterface/EventsEditor/actions/UpdateRow.svelte
similarity index 81%
rename from packages/builder/src/components/userInterface/EventsEditor/actions/UpdateRecord.svelte
rename to packages/builder/src/components/userInterface/EventsEditor/actions/UpdateRow.svelte
index a72ffdac1f..f5b82a31c6 100644
--- a/packages/builder/src/components/userInterface/EventsEditor/actions/UpdateRecord.svelte
+++ b/packages/builder/src/components/userInterface/EventsEditor/actions/UpdateRow.svelte
@@ -18,25 +18,25 @@
   })
 
   let idFields
-  let recordId
+  let rowId
   $: {
     idFields = bindableProperties.filter(
       bindable =>
         bindable.type === "context" && bindable.runtimeBinding.endsWith("._id")
     )
-    // ensure recordId is always defaulted - there is usually only one option
+    // ensure rowId is always defaulted - there is usually only one option
     if (idFields.length > 0 && !parameters._id) {
-      recordId = idFields[0].runtimeBinding
+      rowId = idFields[0].runtimeBinding
       parameters = parameters
-    } else if (!recordId && parameters._id) {
-      recordId = parameters._id
+    } else if (!rowId && parameters._id) {
+      rowId = parameters._id
         .replace("{{", "")
         .replace("}}", "")
         .trim()
     }
   }
 
-  $: parameters._id = `{{ ${recordId} }}`
+  $: parameters._id = `{{ ${rowId} }}`
 
   // just wraps binding in {{ ... }}
   const toBindingExpression = bindingPath => `{{ ${bindingPath} }}`
@@ -44,11 +44,11 @@
   // finds the selected idBinding, then reads the table/view
   // from the component instance that it belongs to.
   // then returns the field names for that schema
-  const schemaFromIdBinding = recordId => {
-    if (!recordId) return []
+  const schemaFromIdBinding = rowId => {
+    if (!rowId) return []
 
     const idBinding = bindableProperties.find(
-      prop => prop.runtimeBinding === recordId
+      prop => prop.runtimeBinding === rowId
     )
     if (!idBinding) return []
 
@@ -71,8 +71,8 @@
 
   let schemaFields
   $: {
-    if (parameters && recordId) {
-      schemaFields = schemaFromIdBinding(recordId)
+    if (parameters && rowId) {
+      schemaFields = schemaFromIdBinding(rowId)
     } else {
       schemaFields = []
     }
@@ -86,12 +86,12 @@
 <div class="root">
   {#if idFields.length === 0}
     <div class="cannot-use">
-      Update record can only be used within a component that provides data, such
+      Update row can only be used within a component that provides data, such
       as a List
     </div>
   {:else}
-    <Label size="m" color="dark">Record Id</Label>
-    <Select secondary bind:value={recordId}>
+    <Label size="m" color="dark">Row Id</Label>
+    <Select secondary bind:value={rowId}>
       <option value="" />
       {#each idFields as idField}
         <option value={idField.runtimeBinding}>
@@ -101,7 +101,7 @@
     </Select>
   {/if}
 
-  {#if recordId}
+  {#if rowId}
     <SaveFields
       parameterFields={parameters.fields}
       {schemaFields}
diff --git a/packages/builder/src/components/userInterface/EventsEditor/actions/index.js b/packages/builder/src/components/userInterface/EventsEditor/actions/index.js
index e1a85e307e..aff12d84ff 100644
--- a/packages/builder/src/components/userInterface/EventsEditor/actions/index.js
+++ b/packages/builder/src/components/userInterface/EventsEditor/actions/index.js
@@ -1,6 +1,6 @@
 import NavigateTo from "./NavigateTo.svelte"
-import UpdateRecord from "./UpdateRecord.svelte"
-import CreateRecord from "./CreateRecord.svelte"
+import UpdateRow from "./UpdateRow.svelte"
+import CreateRow from "./CreateRow.svelte"
 
 // defines what actions are available, when adding a new one
 // the component is the setup panel for the action
@@ -9,15 +9,15 @@ import CreateRecord from "./CreateRecord.svelte"
 
 export default [
   {
-    name: "Create Record",
-    component: CreateRecord,
+    name: "Create Row",
+    component: CreateRow,
   },
   {
     name: "Navigate To",
     component: NavigateTo,
   },
   {
-    name: "Update Record",
-    component: UpdateRecord,
+    name: "Update Row",
+    component: UpdateRow,
   },
 ]
diff --git a/packages/builder/src/components/userInterface/IconSelect/icons.js b/packages/builder/src/components/userInterface/IconSelect/icons.js
index a491396e52..dbc0fd6acc 100644
--- a/packages/builder/src/components/userInterface/IconSelect/icons.js
+++ b/packages/builder/src/components/userInterface/IconSelect/icons.js
@@ -4568,8 +4568,8 @@ export default [
     label: "receipt",
   },
   {
-    value: "fas fa-record-vinyl",
-    label: "record-vinyl",
+    value: "fas fa-row-vinyl",
+    label: "row-vinyl",
   },
   {
     value: "fas fa-recycle",
diff --git a/packages/builder/src/components/userInterface/temporaryPanelStructure.js b/packages/builder/src/components/userInterface/temporaryPanelStructure.js
index fb1259b53b..80ed9bd927 100644
--- a/packages/builder/src/components/userInterface/temporaryPanelStructure.js
+++ b/packages/builder/src/components/userInterface/temporaryPanelStructure.js
@@ -299,7 +299,7 @@ export default {
         {
           name: "List",
           _component: "@budibase/standard-components/list",
-          description: "Renders all children once per record, of a given table",
+          description: "Renders all children once per row, of a given table",
           icon: "ri-file-list-line",
           properties: {
             design: { ...all },
@@ -1125,10 +1125,10 @@ export default {
         //  children: [],
         // },
         {
-          name: "Record Detail",
-          _component: "@budibase/standard-components/recorddetail",
+          name: "Row Detail",
+          _component: "@budibase/standard-components/rowdetail",
           description:
-            "Loads a record, using an id from the URL, which can be used with {{ context }}, in children",
+            "Loads a row, using an id from the URL, which can be used with {{ context }}, in children",
           icon: "ri-profile-line",
           properties: {
             design: { ...all },
diff --git a/packages/builder/src/pages/[application]/backend/table/[selectedTable]/relationship/[selectedRecord]/[selectedField]/index.svelte b/packages/builder/src/pages/[application]/backend/table/[selectedTable]/relationship/[selectedRow]/[selectedField]/index.svelte
similarity index 88%
rename from packages/builder/src/pages/[application]/backend/table/[selectedTable]/relationship/[selectedRecord]/[selectedField]/index.svelte
rename to packages/builder/src/pages/[application]/backend/table/[selectedTable]/relationship/[selectedRow]/[selectedField]/index.svelte
index 1ee08621fb..f291dcc4fa 100644
--- a/packages/builder/src/pages/[application]/backend/table/[selectedTable]/relationship/[selectedRecord]/[selectedField]/index.svelte
+++ b/packages/builder/src/pages/[application]/backend/table/[selectedTable]/relationship/[selectedRow]/[selectedField]/index.svelte
@@ -5,5 +5,5 @@
 
 <RelationshipDataTable
   tableId={$params.selectedTable}
-  recordId={$params.selectedRecord}
+  rowId={$params.selectedRow}
   fieldName={decodeURI($params.selectedField)} />
diff --git a/packages/builder/src/pages/[application]/backend/table/[selectedTable]/relationship/[selectedRecord]/index.svelte b/packages/builder/src/pages/[application]/backend/table/[selectedTable]/relationship/[selectedRow]/index.svelte
similarity index 100%
rename from packages/builder/src/pages/[application]/backend/table/[selectedTable]/relationship/[selectedRecord]/index.svelte
rename to packages/builder/src/pages/[application]/backend/table/[selectedTable]/relationship/[selectedRow]/index.svelte
diff --git a/packages/builder/tests/testData.js b/packages/builder/tests/testData.js
index d2703ad335..4a2d411057 100644
--- a/packages/builder/tests/testData.js
+++ b/packages/builder/tests/testData.js
@@ -29,8 +29,8 @@ export const componentsAndScreens = () => ({
       },
     },
     {
-      _instanceName: "Record View",
-      tags: ["record"],
+      _instanceName: "Row View",
+      tags: ["row"],
       props: {
         data: "state",
       },
diff --git a/packages/client/src/api/index.js b/packages/client/src/api/index.js
index eb18ed506a..905b901f13 100644
--- a/packages/client/src/api/index.js
+++ b/packages/client/src/api/index.js
@@ -52,22 +52,22 @@ const apiOpts = {
   delete: del,
 }
 
-const createRecord = async params =>
+const createRow = async params =>
   await post({
-    url: `/api/${params.tableId}/records`,
-    body: makeRecordRequestBody(params),
+    url: `/api/${params.tableId}/rows`,
+    body: makeRowRequestBody(params),
   })
 
-const updateRecord = async params => {
-  const record = makeRecordRequestBody(params)
-  record._id = params._id
+const updateRow = async params => {
+  const row = makeRowRequestBody(params)
+  row._id = params._id
   await patch({
-    url: `/api/${params.tableId}/records/${params._id}`,
-    body: record,
+    url: `/api/${params.tableId}/rows/${params._id}`,
+    body: row,
   })
 }
 
-const makeRecordRequestBody = parameters => {
+const makeRowRequestBody = parameters => {
   const body = {}
   for (let fieldName in parameters.fields) {
     const field = parameters.fields[fieldName]
@@ -95,6 +95,6 @@ const makeRecordRequestBody = parameters => {
 
 export default {
   authenticate: authenticate(apiOpts),
-  createRecord,
-  updateRecord,
+  createRow,
+  updateRow,
 }
diff --git a/packages/client/src/state/eventHandlers.js b/packages/client/src/state/eventHandlers.js
index 05d8ef2fa3..01a135308d 100644
--- a/packages/client/src/state/eventHandlers.js
+++ b/packages/client/src/state/eventHandlers.js
@@ -6,8 +6,8 @@ export const EVENT_TYPE_MEMBER_NAME = "##eventHandlerType"
 export const eventHandlers = routeTo => {
   const handlers = {
     "Navigate To": param => routeTo(param && param.url),
-    "Create Record": api.createRecord,
-    "Update Record": api.updateRecord,
+    "Create Row": api.createRow,
+    "Update Row": api.updateRow,
     "Trigger Workflow": api.triggerWorkflow,
   }
 
diff --git a/packages/server/scripts/createApiKeyAndAppId.js b/packages/server/scripts/createApiKeyAndAppId.js
index f6a6c1fcee..223253f19c 100644
--- a/packages/server/scripts/createApiKeyAndAppId.js
+++ b/packages/server/scripts/createApiKeyAndAppId.js
@@ -24,14 +24,14 @@ async function run() {
       quotaReset: Date.now() + 2592000000,
       usageQuota: {
         automationRuns: 0,
-        records: 0,
+        rows: 0,
         storage: 0,
         users: 0,
         views: 0,
       },
       usageLimits: {
         automationRuns: 10,
-        records: 10,
+        rows: 10,
         storage: 1000,
         users: 10,
         views: 10,
@@ -48,8 +48,8 @@ async function run() {
 
 run()
   .then(() => {
-    console.log("Records should have been created.")
+    console.log("Rows should have been created.")
   })
   .catch(err => {
-    console.error("Cannot create records - " + err)
+    console.error("Cannot create rows - " + err)
   })
diff --git a/packages/server/src/api/controllers/instance.js b/packages/server/src/api/controllers/instance.js
index fb81988fa2..fbee2f72f5 100644
--- a/packages/server/src/api/controllers/instance.js
+++ b/packages/server/src/api/controllers/instance.js
@@ -2,7 +2,7 @@ const fs = require("fs")
 const CouchDB = require("../../db")
 const client = require("../../db/clientDb")
 const newid = require("../../db/newid")
-const { createLinkView } = require("../../db/linkedRecords")
+const { createLinkView } = require("../../db/linkedRows")
 const { join } = require("../../utilities/centralPath")
 const { downloadTemplate } = require("../../utilities/templates")
 
@@ -27,7 +27,7 @@ exports.create = async function(ctx) {
     // https://docs.couchdb.org/en/master/ddocs/views/collation.html#collation-specification
     views: {},
   })
-  // add view for linked records
+  // add view for linked rows
   await createLinkView(instanceId)
 
   // Add the new instance under the app clientDB
diff --git a/packages/server/src/api/controllers/record.js b/packages/server/src/api/controllers/row.js
similarity index 58%
rename from packages/server/src/api/controllers/record.js
rename to packages/server/src/api/controllers/row.js
index f4729ba71e..effd611ccb 100644
--- a/packages/server/src/api/controllers/record.js
+++ b/packages/server/src/api/controllers/row.js
@@ -1,9 +1,9 @@
 const CouchDB = require("../../db")
 const validateJs = require("validate.js")
-const linkRecords = require("../../db/linkedRecords")
+const linkRows = require("../../db/linkedRows")
 const {
-  getRecordParams,
-  generateRecordID,
+  getRowParams,
+  generateRowID,
   DocumentTypes,
   SEPARATOR,
 } = require("../../db/utils")
@@ -24,18 +24,18 @@ validateJs.extend(validateJs.validators.datetime, {
 exports.patch = async function(ctx) {
   const instanceId = ctx.user.instanceId
   const db = new CouchDB(instanceId)
-  let record = await db.get(ctx.params.id)
-  const table = await db.get(record.tableId)
+  let row = await db.get(ctx.params.id)
+  const table = await db.get(row.tableId)
   const patchfields = ctx.request.body
-  record = coerceRecordValues(record, table)
+  row = coerceRowValues(row, table)
 
   for (let key of Object.keys(patchfields)) {
     if (!table.schema[key]) continue
-    record[key] = patchfields[key]
+    row[key] = patchfields[key]
   }
 
   const validateResult = await validate({
-    record,
+    row,
     table,
   })
 
@@ -48,21 +48,21 @@ exports.patch = async function(ctx) {
     return
   }
 
-  // returned record is cleaned and prepared for writing to DB
-  record = await linkRecords.updateLinks({
+  // returned row is cleaned and prepared for writing to DB
+  row = await linkRows.updateLinks({
     instanceId,
-    eventType: linkRecords.EventType.RECORD_UPDATE,
-    record,
-    tableId: record.tableId,
+    eventType: linkRows.EventType.ROW_UPDATE,
+    row,
+    tableId: row.tableId,
     table,
   })
-  const response = await db.put(record)
-  record._rev = response.rev
-  record.type = "record"
+  const response = await db.put(row)
+  row._rev = response.rev
+  row.type = "row"
 
   ctx.eventEmitter &&
-    ctx.eventEmitter.emitRecord(`record:update`, instanceId, record, table)
-  ctx.body = record
+    ctx.eventEmitter.emitRow(`row:update`, instanceId, row, table)
+  ctx.body = row
   ctx.status = 200
   ctx.message = `${table.name} updated successfully.`
 }
@@ -70,22 +70,22 @@ exports.patch = async function(ctx) {
 exports.save = async function(ctx) {
   const instanceId = ctx.user.instanceId
   const db = new CouchDB(instanceId)
-  let record = ctx.request.body
-  record.tableId = ctx.params.tableId
+  let row = ctx.request.body
+  row.tableId = ctx.params.tableId
 
-  if (!record._rev && !record._id) {
-    record._id = generateRecordID(record.tableId)
+  if (!row._rev && !row._id) {
+    row._id = generateRowID(row.tableId)
   }
 
-  // if the record obj had an _id then it will have been retrieved
-  const existingRecord = ctx.preExisting
+  // if the row obj had an _id then it will have been retrieved
+  const existingRow = ctx.preExisting
 
-  const table = await db.get(record.tableId)
+  const table = await db.get(row.tableId)
 
-  record = coerceRecordValues(record, table)
+  row = coerceRowValues(row, table)
 
   const validateResult = await validate({
-    record,
+    row,
     table,
   })
 
@@ -98,32 +98,32 @@ exports.save = async function(ctx) {
     return
   }
 
-  // make sure link records are up to date
-  record = await linkRecords.updateLinks({
+  // make sure link rows are up to date
+  row = await linkRows.updateLinks({
     instanceId,
-    eventType: linkRecords.EventType.RECORD_SAVE,
-    record,
-    tableId: record.tableId,
+    eventType: linkRows.EventType.ROW_SAVE,
+    row,
+    tableId: row.tableId,
     table,
   })
 
-  if (existingRecord) {
-    const response = await db.put(record)
-    record._rev = response.rev
-    record.type = "record"
-    ctx.body = record
+  if (existingRow) {
+    const response = await db.put(row)
+    row._rev = response.rev
+    row.type = "row"
+    ctx.body = row
     ctx.status = 200
     ctx.message = `${table.name} updated successfully.`
     return
   }
 
-  record.type = "record"
-  const response = await db.post(record)
-  record._rev = response.rev
+  row.type = "row"
+  const response = await db.post(row)
+  row._rev = response.rev
 
   ctx.eventEmitter &&
-    ctx.eventEmitter.emitRecord(`record:save`, instanceId, record, table)
-  ctx.body = record
+    ctx.eventEmitter.emitRow(`row:save`, instanceId, row, table)
+  ctx.body = row
   ctx.status = 200
   ctx.message = `${table.name} created successfully`
 }
@@ -137,7 +137,7 @@ exports.fetchView = async function(ctx) {
   // if this is a table view being looked for just transfer to that
   if (viewName.indexOf(TABLE_VIEW_BEGINS_WITH) === 0) {
     ctx.params.tableId = viewName.substring(4)
-    await exports.fetchTableRecords(ctx)
+    await exports.fetchTableRows(ctx)
     return
   }
 
@@ -157,19 +157,19 @@ exports.fetchView = async function(ctx) {
     response.rows = response.rows.map(row => row.doc)
   }
 
-  ctx.body = await linkRecords.attachLinkInfo(instanceId, response.rows)
+  ctx.body = await linkRows.attachLinkInfo(instanceId, response.rows)
 }
 
-exports.fetchTableRecords = async function(ctx) {
+exports.fetchTableRows = async function(ctx) {
   const instanceId = ctx.user.instanceId
   const db = new CouchDB(instanceId)
   const response = await db.allDocs(
-    getRecordParams(ctx.params.tableId, null, {
+    getRowParams(ctx.params.tableId, null, {
       include_docs: true,
     })
   )
   ctx.body = response.rows.map(row => row.doc)
-  ctx.body = await linkRecords.attachLinkInfo(
+  ctx.body = await linkRows.attachLinkInfo(
     instanceId,
     response.rows.map(row => row.doc)
   )
@@ -182,7 +182,7 @@ exports.search = async function(ctx) {
     include_docs: true,
     ...ctx.request.body,
   })
-  ctx.body = await linkRecords.attachLinkInfo(
+  ctx.body = await linkRows.attachLinkInfo(
     instanceId,
     response.rows.map(row => row.doc)
   )
@@ -191,48 +191,48 @@ exports.search = async function(ctx) {
 exports.find = async function(ctx) {
   const instanceId = ctx.user.instanceId
   const db = new CouchDB(instanceId)
-  const record = await db.get(ctx.params.recordId)
-  if (record.tableId !== ctx.params.tableId) {
-    ctx.throw(400, "Supplied tableId does not match the records tableId")
+  const row = await db.get(ctx.params.rowId)
+  if (row.tableId !== ctx.params.tableId) {
+    ctx.throw(400, "Supplied tableId does not match the rows tableId")
     return
   }
-  ctx.body = await linkRecords.attachLinkInfo(instanceId, record)
+  ctx.body = await linkRows.attachLinkInfo(instanceId, row)
 }
 
 exports.destroy = async function(ctx) {
   const instanceId = ctx.user.instanceId
   const db = new CouchDB(instanceId)
-  const record = await db.get(ctx.params.recordId)
-  if (record.tableId !== ctx.params.tableId) {
-    ctx.throw(400, "Supplied tableId doesn't match the record's tableId")
+  const row = await db.get(ctx.params.rowId)
+  if (row.tableId !== ctx.params.tableId) {
+    ctx.throw(400, "Supplied tableId doesn't match the row's tableId")
     return
   }
-  await linkRecords.updateLinks({
+  await linkRows.updateLinks({
     instanceId,
-    eventType: linkRecords.EventType.RECORD_DELETE,
-    record,
-    tableId: record.tableId,
+    eventType: linkRows.EventType.ROW_DELETE,
+    row,
+    tableId: row.tableId,
   })
-  ctx.body = await db.remove(ctx.params.recordId, ctx.params.revId)
+  ctx.body = await db.remove(ctx.params.rowId, ctx.params.revId)
   ctx.status = 200
 
-  // for automations include the record that was deleted
-  ctx.record = record
+  // for automations include the row that was deleted
+  ctx.row = row
   ctx.eventEmitter &&
-    ctx.eventEmitter.emitRecord(`record:delete`, instanceId, record)
+    ctx.eventEmitter.emitRow(`row:delete`, instanceId, row)
 }
 
 exports.validate = async function(ctx) {
   const errors = await validate({
     instanceId: ctx.user.instanceId,
     tableId: ctx.params.tableId,
-    record: ctx.request.body,
+    row: ctx.request.body,
   })
   ctx.status = 200
   ctx.body = errors
 }
 
-async function validate({ instanceId, tableId, record, table }) {
+async function validate({ instanceId, tableId, row, table }) {
   if (!table) {
     const db = new CouchDB(instanceId)
     table = await db.get(tableId)
@@ -240,7 +240,7 @@ async function validate({ instanceId, tableId, record, table }) {
   const errors = {}
   for (let fieldName of Object.keys(table.schema)) {
     const res = validateJs.single(
-      record[fieldName],
+      row[fieldName],
       table.schema[fieldName].constraints
     )
     if (res) errors[fieldName] = res
@@ -248,12 +248,12 @@ async function validate({ instanceId, tableId, record, table }) {
   return { valid: Object.keys(errors).length === 0, errors }
 }
 
-exports.fetchEnrichedRecord = async function(ctx) {
+exports.fetchEnrichedRow = async function(ctx) {
   const instanceId = ctx.user.instanceId
   const db = new CouchDB(instanceId)
   const tableId = ctx.params.tableId
-  const recordId = ctx.params.recordId
-  if (instanceId == null || tableId == null || recordId == null) {
+  const rowId = ctx.params.rowId
+  if (instanceId == null || tableId == null || rowId == null) {
     ctx.status = 400
     ctx.body = {
       status: 400,
@@ -262,51 +262,51 @@ exports.fetchEnrichedRecord = async function(ctx) {
     }
     return
   }
-  // need table to work out where links go in record
-  const [table, record] = await Promise.all([db.get(tableId), db.get(recordId)])
+  // need table to work out where links go in row
+  const [table, row] = await Promise.all([db.get(tableId), db.get(rowId)])
   // get the link docs
-  const linkVals = await linkRecords.getLinkDocuments({
+  const linkVals = await linkRows.getLinkDocuments({
     instanceId,
     tableId,
-    recordId,
+    rowId,
   })
-  // look up the actual records based on the ids
+  // look up the actual rows based on the ids
   const response = await db.allDocs({
     include_docs: true,
     keys: linkVals.map(linkVal => linkVal.id),
   })
-  // need to include the IDs in these records for any links they may have
-  let linkedRecords = await linkRecords.attachLinkInfo(
+  // need to include the IDs in these rows for any links they may have
+  let linkedRows = await linkRows.attachLinkInfo(
     instanceId,
     response.rows.map(row => row.doc)
   )
-  // insert the link records in the correct place throughout the main record
+  // insert the link rows in the correct place throughout the main row
   for (let fieldName of Object.keys(table.schema)) {
     let field = table.schema[fieldName]
     if (field.type === "link") {
-      record[fieldName] = linkedRecords.filter(
-        linkRecord => linkRecord.tableId === field.tableId
+      row[fieldName] = linkedRows.filter(
+        linkRow => linkRow.tableId === field.tableId
       )
     }
   }
-  ctx.body = record
+  ctx.body = row
   ctx.status = 200
 }
 
-function coerceRecordValues(rec, table) {
-  const record = cloneDeep(rec)
-  for (let [key, value] of Object.entries(record)) {
+function coerceRowValues(rec, table) {
+  const row = cloneDeep(rec)
+  for (let [key, value] of Object.entries(row)) {
     const field = table.schema[key]
     if (!field) continue
 
     // eslint-disable-next-line no-prototype-builtins
     if (TYPE_TRANSFORM_MAP[field.type].hasOwnProperty(value)) {
-      record[key] = TYPE_TRANSFORM_MAP[field.type][value]
+      row[key] = TYPE_TRANSFORM_MAP[field.type][value]
     } else if (TYPE_TRANSFORM_MAP[field.type].parse) {
-      record[key] = TYPE_TRANSFORM_MAP[field.type].parse(value)
+      row[key] = TYPE_TRANSFORM_MAP[field.type].parse(value)
     }
   }
-  return record
+  return row
 }
 
 const TYPE_TRANSFORM_MAP = {
diff --git a/packages/server/src/api/controllers/table.js b/packages/server/src/api/controllers/table.js
index e19b752501..5d98117f39 100644
--- a/packages/server/src/api/controllers/table.js
+++ b/packages/server/src/api/controllers/table.js
@@ -1,11 +1,11 @@
 const CouchDB = require("../../db")
-const linkRecords = require("../../db/linkedRecords")
+const linkRows = require("../../db/linkedRows")
 const csvParser = require("../../utilities/csvParser")
 const {
-  getRecordParams,
+  getRowParams,
   getTableParams,
   generateTableID,
-  generateRecordID,
+  generateRowID,
 } = require("../../db/utils")
 
 exports.fetch = async function(ctx) {
@@ -37,20 +37,20 @@ exports.save = async function(ctx) {
   // if the table obj had an _id then it will have been retrieved
   const oldTable = ctx.preExisting
 
-  // rename record fields when table column is renamed
+  // rename row fields when table column is renamed
   const { _rename } = tableToSave
   if (_rename && tableToSave.schema[_rename.updated].type === "link") {
     throw "Cannot rename a linked field."
   } else if (_rename && tableToSave.primaryDisplay === _rename.old) {
     throw "Cannot rename the primary display field."
   } else if (_rename) {
-    const records = await db.allDocs(
-      getRecordParams(tableToSave._id, null, {
+    const rows = await db.allDocs(
+      getRowParams(tableToSave._id, null, {
         include_docs: true,
       })
     )
 
-    const docs = records.rows.map(({ doc }) => {
+    const docs = rows.rows.map(({ doc }) => {
       doc[_rename.updated] = doc[_rename.old]
       delete doc[_rename.old]
       return doc
@@ -72,12 +72,12 @@ exports.save = async function(ctx) {
   const result = await db.post(tableToSave)
   tableToSave._rev = result.rev
 
-  // update linked records
-  await linkRecords.updateLinks({
+  // update linked rows
+  await linkRows.updateLinks({
     instanceId,
     eventType: oldTable
-      ? linkRecords.EventType.TABLE_UPDATED
-      : linkRecords.EventType.TABLE_SAVE,
+      ? linkRows.EventType.TABLE_UPDATED
+      : linkRows.EventType.TABLE_SAVE,
     table: tableToSave,
     oldTable: oldTable,
   })
@@ -86,11 +86,11 @@ exports.save = async function(ctx) {
     ctx.eventEmitter.emitTable(`table:save`, instanceId, tableToSave)
 
   if (dataImport && dataImport.path) {
-    // Populate the table with records imported from CSV in a bulk update
+    // Populate the table with rows imported from CSV in a bulk update
     const data = await csvParser.transform(dataImport)
 
     for (let row of data) {
-      row._id = generateRecordID(tableToSave._id)
+      row._id = generateRowID(tableToSave._id)
       row.tableId = tableToSave._id
     }
 
@@ -110,20 +110,20 @@ exports.destroy = async function(ctx) {
 
   await db.remove(tableToDelete)
 
-  // Delete all records for that table
-  const records = await db.allDocs(
-    getRecordParams(ctx.params.tableId, null, {
+  // Delete all rows for that table
+  const rows = await db.allDocs(
+    getRowParams(ctx.params.tableId, null, {
       include_docs: true,
     })
   )
   await db.bulkDocs(
-    records.rows.map(record => ({ _id: record.id, _deleted: true }))
+    rows.rows.map(row => ({ _id: row.id, _deleted: true }))
   )
 
-  // update linked records
-  await linkRecords.updateLinks({
+  // update linked rows
+  await linkRows.updateLinks({
     instanceId,
-    eventType: linkRecords.EventType.TABLE_DELETE,
+    eventType: linkRows.EventType.TABLE_DELETE,
     table: tableToDelete,
   })
 
diff --git a/packages/server/src/api/controllers/view/index.js b/packages/server/src/api/controllers/view/index.js
index 791046674b..b0d21b42d1 100644
--- a/packages/server/src/api/controllers/view/index.js
+++ b/packages/server/src/api/controllers/view/index.js
@@ -4,7 +4,7 @@ const fs = require("fs")
 const { join } = require("../../../utilities/centralPath")
 const os = require("os")
 const exporters = require("./exporters")
-const { fetchView } = require("../record")
+const { fetchView } = require("../row")
 
 const controller = {
   fetch: async ctx => {
@@ -85,7 +85,7 @@ const controller = {
     const view = ctx.request.body
     const format = ctx.query.format
 
-    // Fetch view records
+    // Fetch view rows
     ctx.params.viewName = view.name
     ctx.query.group = view.groupBy
     if (view.field) {
diff --git a/packages/server/src/api/index.js b/packages/server/src/api/index.js
index de93ae2a78..5d5f64459e 100644
--- a/packages/server/src/api/index.js
+++ b/packages/server/src/api/index.js
@@ -11,7 +11,7 @@ const {
   instanceRoutes,
   clientRoutes,
   applicationRoutes,
-  recordRoutes,
+  rowRoutes,
   tableRoutes,
   viewRoutes,
   staticRoutes,
@@ -77,8 +77,8 @@ router.use(viewRoutes.allowedMethods())
 router.use(tableRoutes.routes())
 router.use(tableRoutes.allowedMethods())
 
-router.use(recordRoutes.routes())
-router.use(recordRoutes.allowedMethods())
+router.use(rowRoutes.routes())
+router.use(rowRoutes.allowedMethods())
 
 router.use(userRoutes.routes())
 router.use(userRoutes.allowedMethods())
diff --git a/packages/server/src/api/routes/index.js b/packages/server/src/api/routes/index.js
index 7884ca0a7b..2b60ddc894 100644
--- a/packages/server/src/api/routes/index.js
+++ b/packages/server/src/api/routes/index.js
@@ -5,7 +5,7 @@ const instanceRoutes = require("./instance")
 const clientRoutes = require("./client")
 const applicationRoutes = require("./application")
 const tableRoutes = require("./table")
-const recordRoutes = require("./record")
+const rowRoutes = require("./row")
 const viewRoutes = require("./view")
 const staticRoutes = require("./static")
 const componentRoutes = require("./component")
@@ -24,7 +24,7 @@ module.exports = {
   instanceRoutes,
   clientRoutes,
   applicationRoutes,
-  recordRoutes,
+  rowRoutes,
   tableRoutes,
   viewRoutes,
   staticRoutes,
diff --git a/packages/server/src/api/routes/record.js b/packages/server/src/api/routes/row.js
similarity index 57%
rename from packages/server/src/api/routes/record.js
rename to packages/server/src/api/routes/row.js
index a6c5271f14..ae5ae772a6 100644
--- a/packages/server/src/api/routes/record.js
+++ b/packages/server/src/api/routes/row.js
@@ -1,5 +1,5 @@
 const Router = require("@koa/router")
-const recordController = require("../controllers/record")
+const rowController = require("../controllers/row")
 const authorized = require("../../middleware/authorized")
 const usage = require("../../middleware/usageQuota")
 const { READ_TABLE, WRITE_TABLE } = require("../../utilities/accessLevels")
@@ -8,42 +8,42 @@ const router = Router()
 
 router
   .get(
-    "/api/:tableId/:recordId/enrich",
+    "/api/:tableId/:rowId/enrich",
     authorized(READ_TABLE, ctx => ctx.params.tableId),
-    recordController.fetchEnrichedRecord
+    rowController.fetchEnrichedRow
   )
   .get(
-    "/api/:tableId/records",
+    "/api/:tableId/rows",
     authorized(READ_TABLE, ctx => ctx.params.tableId),
-    recordController.fetchTableRecords
+    rowController.fetchTableRows
   )
   .get(
-    "/api/:tableId/records/:recordId",
+    "/api/:tableId/rows/:rowId",
     authorized(READ_TABLE, ctx => ctx.params.tableId),
-    recordController.find
+    rowController.find
   )
-  .post("/api/records/search", recordController.search)
+  .post("/api/rows/search", rowController.search)
   .post(
-    "/api/:tableId/records",
+    "/api/:tableId/rows",
     authorized(WRITE_TABLE, ctx => ctx.params.tableId),
     usage,
-    recordController.save
+    rowController.save
   )
   .patch(
-    "/api/:tableId/records/:id",
+    "/api/:tableId/rows/:id",
     authorized(WRITE_TABLE, ctx => ctx.params.tableId),
-    recordController.patch
+    rowController.patch
   )
   .post(
-    "/api/:tableId/records/validate",
+    "/api/:tableId/rows/validate",
     authorized(WRITE_TABLE, ctx => ctx.params.tableId),
-    recordController.validate
+    rowController.validate
   )
   .delete(
-    "/api/:tableId/records/:recordId/:revId",
+    "/api/:tableId/rows/:rowId/:revId",
     authorized(WRITE_TABLE, ctx => ctx.params.tableId),
     usage,
-    recordController.destroy
+    rowController.destroy
   )
 
 module.exports = router
diff --git a/packages/server/src/api/routes/tests/automation.spec.js b/packages/server/src/api/routes/tests/automation.spec.js
index bd90620a2b..f3ebcd2144 100644
--- a/packages/server/src/api/routes/tests/automation.spec.js
+++ b/packages/server/src/api/routes/tests/automation.spec.js
@@ -126,10 +126,10 @@ describe("/automations", () => {
 
   describe("create", () => {
     it("should setup the automation fully", () => {
-      let trigger = TRIGGER_DEFINITIONS["RECORD_SAVED"]
+      let trigger = TRIGGER_DEFINITIONS["ROW_SAVED"]
       trigger.id = "wadiawdo34"
-      let createAction = ACTION_DEFINITIONS["CREATE_RECORD"]
-      createAction.inputs.record = {
+      let createAction = ACTION_DEFINITIONS["CREATE_ROW"]
+      createAction.inputs.row = {
         name: "{{trigger.name}}",
         description: "{{trigger.description}}"
       }
@@ -169,7 +169,7 @@ describe("/automations", () => {
     it("trigger the automation successfully", async () => {
       let table = await createTable(request, app._id, instance._id)
       TEST_AUTOMATION.definition.trigger.inputs.tableId = table._id
-      TEST_AUTOMATION.definition.steps[0].inputs.record.tableId = table._id
+      TEST_AUTOMATION.definition.steps[0].inputs.row.tableId = table._id
       await createAutomation()
       // this looks a bit mad but we don't actually have a way to wait for a response from the automation to
       // know that it has finished all of its actions - this is currently the best way
@@ -189,7 +189,7 @@ describe("/automations", () => {
           return
         }
       }
-      throw "Failed to find the records"
+      throw "Failed to find the rows"
     })
   })
 
diff --git a/packages/server/src/api/routes/tests/couchTestUtils.js b/packages/server/src/api/routes/tests/couchTestUtils.js
index b4abf52ea4..9509e7ba51 100644
--- a/packages/server/src/api/routes/tests/couchTestUtils.js
+++ b/packages/server/src/api/routes/tests/couchTestUtils.js
@@ -72,7 +72,7 @@ exports.createTable = async (request, appId, instanceId, table) => {
 
 exports.getAllFromTable = async (request, appId, instanceId, tableId) => {
   const res = await request
-    .get(`/api/${tableId}/records`)
+    .get(`/api/${tableId}/rows`)
     .set(exports.defaultHeaders(appId, instanceId))
   return res.body
 }
diff --git a/packages/server/src/api/routes/tests/record.spec.js b/packages/server/src/api/routes/tests/row.spec.js
similarity index 74%
rename from packages/server/src/api/routes/tests/record.spec.js
rename to packages/server/src/api/routes/tests/row.spec.js
index 912b46c5c8..ff8cf672c5 100644
--- a/packages/server/src/api/routes/tests/record.spec.js
+++ b/packages/server/src/api/routes/tests/row.spec.js
@@ -7,12 +7,12 @@ const {
   defaultHeaders,
 } = require("./couchTestUtils");
 
-describe("/records", () => {
+describe("/rows", () => {
   let request
   let server
   let instance
   let table
-  let record
+  let row
   let app
 
   beforeAll(async () => {
@@ -28,7 +28,7 @@ describe("/records", () => {
   beforeEach(async () => {
     instance = await createInstance(request, app._id)
     table = await createTable(request, app._id, instance._id)
-    record = {
+    row = {
       name: "Test Contact",
       description: "original description",
       status: "new",
@@ -36,17 +36,17 @@ describe("/records", () => {
     }
   })
 
-  const createRecord = async r => 
+  const createRow = async r => 
     await request
-      .post(`/api/${r ? r.tableId : record.tableId}/records`)
-      .send(r || record)
+      .post(`/api/${r ? r.tableId : row.tableId}/rows`)
+      .send(r || row)
       .set(defaultHeaders(app._id, instance._id))
       .expect('Content-Type', /json/)
       .expect(200)
 
-  const loadRecord = async id => 
+  const loadRow = async id => 
     await request
-      .get(`/api/${table._id}/records/${id}`)
+      .get(`/api/${table._id}/rows/${id}`)
       .set(defaultHeaders(app._id, instance._id))
       .expect('Content-Type', /json/)
       .expect(200)
@@ -55,19 +55,19 @@ describe("/records", () => {
   describe("save, load, update, delete", () => {
 
 
-    it("returns a success message when the record is created", async () => {
-      const res = await createRecord()
+    it("returns a success message when the row is created", async () => {
+      const res = await createRow()
       expect(res.res.statusMessage).toEqual(`${table.name} created successfully`)           
       expect(res.body.name).toEqual("Test Contact")
       expect(res.body._rev).toBeDefined()
     })
 
-    it("updates a record successfully", async () => {
-      const rec = await createRecord()
+    it("updates a row successfully", async () => {
+      const rec = await createRow()
       const existing = rec.body
 
       const res = await request
-        .post(`/api/${table._id}/records`)
+        .post(`/api/${table._id}/rows`)
         .send({
           _id: existing._id,
           _rev: existing._rev,
@@ -82,78 +82,78 @@ describe("/records", () => {
       expect(res.body.name).toEqual("Updated Name")
     })
 
-    it("should load a record", async () => {
-      const rec = await createRecord()
+    it("should load a row", async () => {
+      const rec = await createRow()
       const existing = rec.body
 
       const res = await request
-        .get(`/api/${table._id}/records/${existing._id}`)
+        .get(`/api/${table._id}/rows/${existing._id}`)
         .set(defaultHeaders(app._id, instance._id))
         .expect('Content-Type', /json/)
         .expect(200)
 
       expect(res.body).toEqual({
-        ...record,
+        ...row,
         _id: existing._id,
         _rev: existing._rev,
-        type: "record",
+        type: "row",
       })
     })
 
-    it("should list all records for given tableId", async () => {
-      const newRecord = {
+    it("should list all rows for given tableId", async () => {
+      const newRow = {
         tableId: table._id,
         name: "Second Contact",
         status: "new"
       }
-      await createRecord()
-      await createRecord(newRecord)
+      await createRow()
+      await createRow(newRow)
 
       const res = await request
-        .get(`/api/${table._id}/records`)
+        .get(`/api/${table._id}/rows`)
         .set(defaultHeaders(app._id, instance._id))
         .expect('Content-Type', /json/)
         .expect(200)
 
       expect(res.body.length).toBe(2)
-      expect(res.body.find(r => r.name === newRecord.name)).toBeDefined()
-      expect(res.body.find(r => r.name === record.name)).toBeDefined()
+      expect(res.body.find(r => r.name === newRow.name)).toBeDefined()
+      expect(res.body.find(r => r.name === row.name)).toBeDefined()
     })
 
-    it("lists records when queried by their ID", async () => {
-      const newRecord = {
+    it("lists rows when queried by their ID", async () => {
+      const newRow = {
         tableId: table._id,
         name: "Second Contact",
         status: "new"
       }
-      const record = await createRecord()
-      const secondRecord = await createRecord(newRecord)
+      const row = await createRow()
+      const secondRow = await createRow(newRow)
 
-      const recordIds = [record.body._id, secondRecord.body._id]
+      const rowIds = [row.body._id, secondRow.body._id]
 
       const res = await request
-        .post(`/api/records/search`)
+        .post(`/api/rows/search`)
         .set(defaultHeaders(app._id, instance._id))
         .send({
-          keys: recordIds
+          keys: rowIds
         })
         .expect('Content-Type', /json/)
         .expect(200)
 
       expect(res.body.length).toBe(2)
-      expect(res.body.map(response => response._id)).toEqual(expect.arrayContaining(recordIds))
+      expect(res.body.map(response => response._id)).toEqual(expect.arrayContaining(rowIds))
     })
 
-    it("load should return 404 when record does not exist", async () => {
-      await createRecord()
+    it("load should return 404 when row does not exist", async () => {
+      await createRow()
       await request
-        .get(`/api/${table._id}/records/not-a-valid-id`)
+        .get(`/api/${table._id}/rows/not-a-valid-id`)
         .set(defaultHeaders(app._id, instance._id))
         .expect('Content-Type', /json/)
         .expect(404)
     })
 
-    it("record values are coerced", async () => {
+    it("row values are coerced", async () => {
       const str = {type:"string", constraints: { type: "string", presence: false }}
       const attachment = {type:"attachment", constraints: { type: "array", presence: false }}
       const bool = {type:"boolean", constraints: { type: "boolean", presence: false }}
@@ -189,8 +189,8 @@ describe("/records", () => {
         },
       })
 
-      record = {
-        name: "Test Record",
+      row = {
+        name: "Test Row",
         stringUndefined: undefined,
         stringNull: null,
         stringString: "i am a string",
@@ -215,9 +215,9 @@ describe("/records", () => {
         attachmentEmpty : "",
       }
 
-      const id = (await createRecord(record)).body._id
+      const id = (await createRow(row)).body._id
 
-      const saved = (await loadRecord(id)).body
+      const saved = (await loadRow(id)).body
 
       expect(saved.stringUndefined).toBe(undefined)
       expect(saved.stringNull).toBe("")
@@ -230,8 +230,8 @@ describe("/records", () => {
       expect(saved.datetimeEmptyString).toBe(null)
       expect(saved.datetimeNull).toBe(null)
       expect(saved.datetimeUndefined).toBe(undefined)
-      expect(saved.datetimeString).toBe(new Date(record.datetimeString).toISOString())
-      expect(saved.datetimeDate).toBe(record.datetimeDate.toISOString())
+      expect(saved.datetimeString).toBe(new Date(row.datetimeString).toISOString())
+      expect(saved.datetimeDate).toBe(row.datetimeDate.toISOString())
       expect(saved.boolNull).toBe(null)
       expect(saved.boolEmpty).toBe(null)
       expect(saved.boolUndefined).toBe(undefined)
@@ -245,11 +245,11 @@ describe("/records", () => {
 
   describe("patch", () => {
     it("should update only the fields that are supplied", async () => {
-      const rec = await createRecord()
+      const rec = await createRow()
       const existing = rec.body
 
       const res = await request
-        .patch(`/api/${table._id}/records/${existing._id}`)
+        .patch(`/api/${table._id}/rows/${existing._id}`)
         .send({
           _id: existing._id,
           _rev: existing._rev,
@@ -264,18 +264,18 @@ describe("/records", () => {
       expect(res.body.name).toEqual("Updated Name")
       expect(res.body.description).toEqual(existing.description)
 
-      const savedRecord = await loadRecord(res.body._id)
+      const savedRow = await loadRow(res.body._id)
 
-      expect(savedRecord.body.description).toEqual(existing.description)
-      expect(savedRecord.body.name).toEqual("Updated Name")
+      expect(savedRow.body.description).toEqual(existing.description)
+      expect(savedRow.body.name).toEqual("Updated Name")
         
     })
   })
 
   describe("validate", () => {
-    it("should return no errors on valid record", async () => {
+    it("should return no errors on valid row", async () => {
       const result = await request
-        .post(`/api/${table._id}/records/validate`)
+        .post(`/api/${table._id}/rows/validate`)
         .send({ name: "ivan" })
         .set(defaultHeaders(app._id, instance._id))
         .expect('Content-Type', /json/)
@@ -285,9 +285,9 @@ describe("/records", () => {
       expect(Object.keys(result.body.errors)).toEqual([])
     })
 
-    it("should errors on invalid record", async () => {
+    it("should errors on invalid row", async () => {
       const result = await request
-        .post(`/api/${table._id}/records/validate`)
+        .post(`/api/${table._id}/rows/validate`)
         .send({ name: 1 })
         .set(defaultHeaders(app._id, instance._id))
         .expect('Content-Type', /json/)
diff --git a/packages/server/src/api/routes/tests/table.spec.js b/packages/server/src/api/routes/tests/table.spec.js
index 03c92b318c..e3bc9d5f04 100644
--- a/packages/server/src/api/routes/tests/table.spec.js
+++ b/packages/server/src/api/routes/tests/table.spec.js
@@ -50,11 +50,11 @@ describe("/tables", () => {
         });
       })
 
-    it("renames all the record fields for a table when a schema key is renamed", async () => {
+    it("renames all the row fields for a table when a schema key is renamed", async () => {
       const testTable = await createTable(request, app._id, instance._id);
 
-      const testRecord = await request
-        .post(`/api/${testTable._id}/records`)
+      const testRow = await request
+        .post(`/api/${testTable._id}/rows`)
         .send({
           name: "test"
         })
@@ -85,7 +85,7 @@ describe("/tables", () => {
         expect(updatedTable.body.name).toEqual("TestTable");            
 
         const res = await request
-          .get(`/api/${testTable._id}/records/${testRecord.body._id}`)
+          .get(`/api/${testTable._id}/rows/${testRow.body._id}`)
           .set(defaultHeaders(app._id, instance._id))
           .expect('Content-Type', /json/)
           .expect(200)
diff --git a/packages/server/src/api/routes/tests/view.spec.js b/packages/server/src/api/routes/tests/view.spec.js
index 113e753f3d..3c10c7e320 100644
--- a/packages/server/src/api/routes/tests/view.spec.js
+++ b/packages/server/src/api/routes/tests/view.spec.js
@@ -27,9 +27,9 @@ describe("/views", () => {
     .expect('Content-Type', /json/)
     .expect(200)
 
-  const createRecord = async record => request
-    .post(`/api/${table._id}/records`)
-    .send(record)
+  const createRow = async row => request
+    .post(`/api/${table._id}/rows`)
+    .send(row)
     .set(defaultHeaders(app._id, instance._id))
     .expect('Content-Type', /json/)
     .expect(200)
@@ -58,7 +58,7 @@ describe("/views", () => {
       expect(res.res.statusMessage).toEqual("View TestView saved successfully.");
     })
 
-    it("updates the table record with the new view metadata", async () => {
+    it("updates the table row with the new view metadata", async () => {
       const res = await createView()
       expect(res.res.statusMessage).toEqual("View TestView saved successfully.");
       const updatedTable = await getDocument(instance._id, table._id)
@@ -110,15 +110,15 @@ describe("/views", () => {
 
     it("returns data for the created view", async () => {
       await createView()
-      await createRecord({
+      await createRow({
         tableId: table._id,
         Price: 1000
       })
-      await createRecord({
+      await createRow({
         tableId: table._id,
         Price: 2000
       })
-      await createRecord({
+      await createRow({
         tableId: table._id,
         Price: 4000
       })
@@ -138,17 +138,17 @@ describe("/views", () => {
         groupBy: "Category",
         tableId: table._id
       })
-      await createRecord({
+      await createRow({
         tableId: table._id,
         Price: 1000,
         Category: "One"
       })
-      await createRecord({
+      await createRow({
         tableId: table._id,
         Price: 2000,
         Category: "One"
       })
-      await createRecord({
+      await createRow({
         tableId: table._id,
         Price: 4000,
         Category: "Two"
diff --git a/packages/server/src/api/routes/view.js b/packages/server/src/api/routes/view.js
index 571e4494f1..3657a9e829 100644
--- a/packages/server/src/api/routes/view.js
+++ b/packages/server/src/api/routes/view.js
@@ -1,6 +1,6 @@
 const Router = require("@koa/router")
 const viewController = require("../controllers/view")
-const recordController = require("../controllers/record")
+const rowController = require("../controllers/row")
 const authorized = require("../../middleware/authorized")
 const { BUILDER, READ_VIEW } = require("../../utilities/accessLevels")
 const usage = require("../../middleware/usageQuota")
@@ -11,7 +11,7 @@ router
   .get(
     "/api/views/:viewName",
     authorized(READ_VIEW, ctx => ctx.params.viewName),
-    recordController.fetchView
+    rowController.fetchView
   )
   .get("/api/views", authorized(BUILDER), viewController.fetch)
   .delete(
diff --git a/packages/server/src/automations/actions.js b/packages/server/src/automations/actions.js
index 2f86978e72..13df04e379 100644
--- a/packages/server/src/automations/actions.js
+++ b/packages/server/src/automations/actions.js
@@ -1,7 +1,7 @@
 const sendEmail = require("./steps/sendEmail")
-const createRecord = require("./steps/createRecord")
-const updateRecord = require("./steps/updateRecord")
-const deleteRecord = require("./steps/deleteRecord")
+const createRow = require("./steps/createRow")
+const updateRow = require("./steps/updateRow")
+const deleteRow = require("./steps/deleteRow")
 const createUser = require("./steps/createUser")
 const environment = require("../environment")
 const download = require("download")
@@ -17,16 +17,16 @@ const DEFAULT_DIRECTORY = ".budibase-automations"
 const AUTOMATION_MANIFEST = "manifest.json"
 const BUILTIN_ACTIONS = {
   SEND_EMAIL: sendEmail.run,
-  CREATE_RECORD: createRecord.run,
-  UPDATE_RECORD: updateRecord.run,
-  DELETE_RECORD: deleteRecord.run,
+  CREATE_ROW: createRow.run,
+  UPDATE_ROW: updateRow.run,
+  DELETE_ROW: deleteRow.run,
   CREATE_USER: createUser.run,
 }
 const BUILTIN_DEFINITIONS = {
   SEND_EMAIL: sendEmail.definition,
-  CREATE_RECORD: createRecord.definition,
-  UPDATE_RECORD: updateRecord.definition,
-  DELETE_RECORD: deleteRecord.definition,
+  CREATE_ROW: createRow.definition,
+  UPDATE_ROW: updateRow.definition,
+  DELETE_ROW: deleteRow.definition,
   CREATE_USER: createUser.definition,
 }
 
diff --git a/packages/server/src/automations/automationUtils.js b/packages/server/src/automations/automationUtils.js
index 07095c685a..c6284ea3bd 100644
--- a/packages/server/src/automations/automationUtils.js
+++ b/packages/server/src/automations/automationUtils.js
@@ -84,33 +84,33 @@ module.exports.cleanInputValues = (inputs, schema) => {
 }
 
 /**
- * Given a record input like a save or update record we need to clean the inputs against a schema that is not part of
+ * Given a row input like a save or update row we need to clean the inputs against a schema that is not part of
  * the automation but is instead part of the Table/Table. This function will get the table schema and use it to instead
- * perform the cleanInputValues function on the input record.
+ * perform the cleanInputValues function on the input row.
  *
  * @param {string} instanceId The instance which the Table/Table is contained under.
  * @param {string} tableId The ID of the Table/Table which the schema is to be retrieved for.
- * @param {object} record The input record structure which requires clean-up after having been through mustache statements.
- * @returns {Promise<Object>} The cleaned up records object, will should now have all the required primitive types.
+ * @param {object} row The input row structure which requires clean-up after having been through mustache statements.
+ * @returns {Promise<Object>} The cleaned up rows object, will should now have all the required primitive types.
  */
-module.exports.cleanUpRecord = async (instanceId, tableId, record) => {
+module.exports.cleanUpRow = async (instanceId, tableId, row) => {
   const db = new CouchDB(instanceId)
   const table = await db.get(tableId)
 
-  return module.exports.cleanInputValues(record, { properties: table.schema })
+  return module.exports.cleanInputValues(row, { properties: table.schema })
 }
 
 /**
- * A utility function for the cleanUpRecord, which can be used if only the record ID is known (not the table ID) to clean
- * up a record after mustache statements have been replaced. This is specifically useful for the update record action.
+ * A utility function for the cleanUpRow, which can be used if only the row ID is known (not the table ID) to clean
+ * up a row after mustache statements have been replaced. This is specifically useful for the update row action.
  *
  * @param {string} instanceId The instance which the Table/Table is contained under.
- * @param {string} recordId The ID of the record from which the tableId will be extracted, to get the Table/Table schema.
- * @param {object} record The input record structure which requires clean-up after having been through mustache statements.
- * @returns {Promise<Object>} The cleaned up records object, which will now have all the required primitive types.
+ * @param {string} rowId The ID of the row from which the tableId will be extracted, to get the Table/Table schema.
+ * @param {object} row The input row structure which requires clean-up after having been through mustache statements.
+ * @returns {Promise<Object>} The cleaned up rows object, which will now have all the required primitive types.
  */
-module.exports.cleanUpRecordById = async (instanceId, recordId, record) => {
+module.exports.cleanUpRowById = async (instanceId, rowId, row) => {
   const db = new CouchDB(instanceId)
-  const foundRecord = await db.get(recordId)
-  return module.exports.cleanUpRecord(instanceId, foundRecord.tableId, record)
+  const foundRow = await db.get(rowId)
+  return module.exports.cleanUpRow(instanceId, foundRow.tableId, row)
 }
diff --git a/packages/server/src/automations/steps/createRecord.js b/packages/server/src/automations/steps/createRow.js
similarity index 74%
rename from packages/server/src/automations/steps/createRecord.js
rename to packages/server/src/automations/steps/createRow.js
index c5f639cfc4..29fbbbd7ec 100644
--- a/packages/server/src/automations/steps/createRecord.js
+++ b/packages/server/src/automations/steps/createRow.js
@@ -1,4 +1,4 @@
-const recordController = require("../../api/controllers/record")
+const rowController = require("../../api/controllers/row")
 const automationUtils = require("../automationUtils")
 const environment = require("../../environment")
 const usage = require("../../utilities/usageQuota")
@@ -9,12 +9,12 @@ module.exports.definition = {
   icon: "ri-save-3-fill",
   description: "Add a row to your database",
   type: "ACTION",
-  stepId: "CREATE_RECORD",
+  stepId: "CREATE_ROW",
   inputs: {},
   schema: {
     inputs: {
       properties: {
-        record: {
+        row: {
           type: "object",
           properties: {
             tableId: {
@@ -22,18 +22,18 @@ module.exports.definition = {
               customType: "table",
             },
           },
-          customType: "record",
+          customType: "row",
           title: "Table",
           required: ["tableId"],
         },
       },
-      required: ["record"],
+      required: ["row"],
     },
     outputs: {
       properties: {
-        record: {
+        row: {
           type: "object",
-          customType: "record",
+          customType: "row",
           description: "The new row",
         },
         response: {
@@ -60,32 +60,32 @@ module.exports.definition = {
 
 module.exports.run = async function({ inputs, instanceId, apiKey }) {
   // TODO: better logging of when actions are missed due to missing parameters
-  if (inputs.record == null || inputs.record.tableId == null) {
+  if (inputs.row == null || inputs.row.tableId == null) {
     return
   }
-  inputs.record = await automationUtils.cleanUpRecord(
+  inputs.row = await automationUtils.cleanUpRow(
     instanceId,
-    inputs.record.tableId,
-    inputs.record
+    inputs.row.tableId,
+    inputs.row
   )
-  // have to clean up the record, remove the table from it
+  // have to clean up the row, remove the table from it
   const ctx = {
     params: {
-      tableId: inputs.record.tableId,
+      tableId: inputs.row.tableId,
     },
     request: {
-      body: inputs.record,
+      body: inputs.row,
     },
     user: { instanceId },
   }
 
   try {
     if (environment.CLOUD) {
-      await usage.update(apiKey, usage.Properties.RECORD, 1)
+      await usage.update(apiKey, usage.Properties.ROW, 1)
     }
-    await recordController.save(ctx)
+    await rowController.save(ctx)
     return {
-      record: inputs.record,
+      row: inputs.row,
       response: ctx.body,
       id: ctx.body._id,
       revision: ctx.body._rev,
diff --git a/packages/server/src/automations/steps/deleteRecord.js b/packages/server/src/automations/steps/deleteRow.js
similarity index 83%
rename from packages/server/src/automations/steps/deleteRecord.js
rename to packages/server/src/automations/steps/deleteRow.js
index 7bb4983224..3858296e90 100644
--- a/packages/server/src/automations/steps/deleteRecord.js
+++ b/packages/server/src/automations/steps/deleteRow.js
@@ -1,4 +1,4 @@
-const recordController = require("../../api/controllers/record")
+const rowController = require("../../api/controllers/row")
 const environment = require("../../environment")
 const usage = require("../../utilities/usageQuota")
 
@@ -8,7 +8,7 @@ module.exports.definition = {
   name: "Delete Row",
   tagline: "Delete a {{inputs.enriched.table.name}} row",
   type: "ACTION",
-  stepId: "DELETE_RECORD",
+  stepId: "DELETE_ROW",
   inputs: {},
   schema: {
     inputs: {
@@ -31,9 +31,9 @@ module.exports.definition = {
     },
     outputs: {
       properties: {
-        record: {
+        row: {
           type: "object",
-          customType: "record",
+          customType: "row",
           description: "The deleted row",
         },
         response: {
@@ -45,7 +45,7 @@ module.exports.definition = {
           description: "Whether the action was successful",
         },
       },
-      required: ["record", "success"],
+      required: ["row", "success"],
     },
   },
 }
@@ -58,7 +58,7 @@ module.exports.run = async function({ inputs, instanceId, apiKey }) {
   let ctx = {
     params: {
       tableId: inputs.tableId,
-      recordId: inputs.id,
+      rowId: inputs.id,
       revId: inputs.revision,
     },
     user: { instanceId },
@@ -66,12 +66,12 @@ module.exports.run = async function({ inputs, instanceId, apiKey }) {
 
   try {
     if (environment.CLOUD) {
-      await usage.update(apiKey, usage.Properties.RECORD, -1)
+      await usage.update(apiKey, usage.Properties.ROW, -1)
     }
-    await recordController.destroy(ctx)
+    await rowController.destroy(ctx)
     return {
       response: ctx.body,
-      record: ctx.record,
+      row: ctx.row,
       success: ctx.status === 200,
     }
   } catch (err) {
diff --git a/packages/server/src/automations/steps/updateRecord.js b/packages/server/src/automations/steps/updateRow.js
similarity index 59%
rename from packages/server/src/automations/steps/updateRecord.js
rename to packages/server/src/automations/steps/updateRow.js
index dfdf354df3..7ae254333c 100644
--- a/packages/server/src/automations/steps/updateRecord.js
+++ b/packages/server/src/automations/steps/updateRow.js
@@ -1,35 +1,35 @@
-const recordController = require("../../api/controllers/record")
+const rowController = require("../../api/controllers/row")
 const automationUtils = require("../automationUtils")
 
 module.exports.definition = {
   name: "Update Row",
-  tagline: "Update a {{inputs.enriched.table.name}} record",
+  tagline: "Update a {{inputs.enriched.table.name}} row",
   icon: "ri-refresh-fill",
   description: "Update a row in your database",
   type: "ACTION",
-  stepId: "UPDATE_RECORD",
+  stepId: "UPDATE_ROW",
   inputs: {},
   schema: {
     inputs: {
       properties: {
-        record: {
+        row: {
           type: "object",
-          customType: "record",
+          customType: "row",
           title: "Table",
         },
-        recordId: {
+        rowId: {
           type: "string",
           title: "Row ID",
         },
       },
-      required: ["record", "recordId"],
+      required: ["row", "rowId"],
     },
     outputs: {
       properties: {
-        record: {
+        row: {
           type: "object",
-          customType: "record",
-          description: "The updated record",
+          customType: "row",
+          description: "The updated row",
         },
         response: {
           type: "object",
@@ -41,11 +41,11 @@ module.exports.definition = {
         },
         id: {
           type: "string",
-          description: "The identifier of the updated record",
+          description: "The identifier of the updated row",
         },
         revision: {
           type: "string",
-          description: "The revision of the updated record",
+          description: "The revision of the updated row",
         },
       },
       required: ["success", "id", "revision"],
@@ -54,37 +54,37 @@ module.exports.definition = {
 }
 
 module.exports.run = async function({ inputs, instanceId }) {
-  if (inputs.recordId == null || inputs.record == null) {
+  if (inputs.rowId == null || inputs.row == null) {
     return
   }
 
-  inputs.record = await automationUtils.cleanUpRecordById(
+  inputs.row = await automationUtils.cleanUpRowById(
     instanceId,
-    inputs.recordId,
-    inputs.record
+    inputs.rowId,
+    inputs.row
   )
   // clear any falsy properties so that they aren't updated
-  for (let propKey of Object.keys(inputs.record)) {
-    if (!inputs.record[propKey] || inputs.record[propKey] === "") {
-      delete inputs.record[propKey]
+  for (let propKey of Object.keys(inputs.row)) {
+    if (!inputs.row[propKey] || inputs.row[propKey] === "") {
+      delete inputs.row[propKey]
     }
   }
 
-  // have to clean up the record, remove the table from it
+  // have to clean up the row, remove the table from it
   const ctx = {
     params: {
-      id: inputs.recordId,
+      id: inputs.rowId,
     },
     request: {
-      body: inputs.record,
+      body: inputs.row,
     },
     user: { instanceId },
   }
 
   try {
-    await recordController.patch(ctx)
+    await rowController.patch(ctx)
     return {
-      record: ctx.body,
+      row: ctx.body,
       response: ctx.message,
       id: ctx.body._id,
       revision: ctx.body._rev,
diff --git a/packages/server/src/automations/triggers.js b/packages/server/src/automations/triggers.js
index 8e4969325a..c95b317f16 100644
--- a/packages/server/src/automations/triggers.js
+++ b/packages/server/src/automations/triggers.js
@@ -11,13 +11,13 @@ const FAKE_NUMBER = 1
 const FAKE_DATETIME = "1970-01-01T00:00:00.000Z"
 
 const BUILTIN_DEFINITIONS = {
-  RECORD_SAVED: {
+  ROW_SAVED: {
     name: "Row Saved",
-    event: "record:save",
+    event: "row:save",
     icon: "ri-save-line",
     tagline: "Row is added to {{inputs.enriched.table.name}}",
     description: "Fired when a row is saved to your database",
-    stepId: "RECORD_SAVED",
+    stepId: "ROW_SAVED",
     inputs: {},
     schema: {
       inputs: {
@@ -32,9 +32,9 @@ const BUILTIN_DEFINITIONS = {
       },
       outputs: {
         properties: {
-          record: {
+          row: {
             type: "object",
-            customType: "record",
+            customType: "row",
             description: "The new row that was saved",
           },
           id: {
@@ -46,18 +46,18 @@ const BUILTIN_DEFINITIONS = {
             description: "Revision of row",
           },
         },
-        required: ["record", "id"],
+        required: ["row", "id"],
       },
     },
     type: "TRIGGER",
   },
-  RECORD_DELETED: {
+  ROW_DELETED: {
     name: "Row Deleted",
-    event: "record:delete",
+    event: "row:delete",
     icon: "ri-delete-bin-line",
     tagline: "Row is deleted from {{inputs.enriched.table.name}}",
     description: "Fired when a row is deleted from your database",
-    stepId: "RECORD_DELETED",
+    stepId: "ROW_DELETED",
     inputs: {},
     schema: {
       inputs: {
@@ -72,20 +72,20 @@ const BUILTIN_DEFINITIONS = {
       },
       outputs: {
         properties: {
-          record: {
+          row: {
             type: "object",
-            customType: "record",
+            customType: "row",
             description: "The row that was deleted",
           },
         },
-        required: ["record", "id"],
+        required: ["row", "id"],
       },
     },
     type: "TRIGGER",
   },
 }
 
-async function queueRelevantRecordAutomations(event, eventType) {
+async function queueRelevantRowAutomations(event, eventType) {
   if (event.instanceId == null) {
     throw `No instanceId specified for ${eventType} - check event emitters.`
   }
@@ -108,7 +108,7 @@ async function queueRelevantRecordAutomations(event, eventType) {
     if (
       !automation.live ||
       !automationTrigger.inputs ||
-      automationTrigger.inputs.tableId !== event.record.tableId
+      automationTrigger.inputs.tableId !== event.row.tableId
     ) {
       continue
     }
@@ -116,27 +116,27 @@ async function queueRelevantRecordAutomations(event, eventType) {
   }
 }
 
-emitter.on("record:save", async function(event) {
-  if (!event || !event.record || !event.record.tableId) {
+emitter.on("row:save", async function(event) {
+  if (!event || !event.row || !event.row.tableId) {
     return
   }
-  await queueRelevantRecordAutomations(event, "record:save")
+  await queueRelevantRowAutomations(event, "row:save")
 })
 
-emitter.on("record:delete", async function(event) {
-  if (!event || !event.record || !event.record.tableId) {
+emitter.on("row:delete", async function(event) {
+  if (!event || !event.row || !event.row.tableId) {
     return
   }
-  await queueRelevantRecordAutomations(event, "record:delete")
+  await queueRelevantRowAutomations(event, "row:delete")
 })
 
-async function fillRecordOutput(automation, params) {
+async function fillRowOutput(automation, params) {
   let triggerSchema = automation.definition.trigger
   let tableId = triggerSchema.inputs.tableId
   const db = new CouchDB(params.instanceId)
   try {
     let table = await db.get(tableId)
-    let record = {}
+    let row = {}
     for (let schemaKey of Object.keys(table.schema)) {
       if (params[schemaKey] != null) {
         continue
@@ -144,20 +144,20 @@ async function fillRecordOutput(automation, params) {
       let propSchema = table.schema[schemaKey]
       switch (propSchema.constraints.type) {
         case "string":
-          record[schemaKey] = FAKE_STRING
+          row[schemaKey] = FAKE_STRING
           break
         case "boolean":
-          record[schemaKey] = FAKE_BOOL
+          row[schemaKey] = FAKE_BOOL
           break
         case "number":
-          record[schemaKey] = FAKE_NUMBER
+          row[schemaKey] = FAKE_NUMBER
           break
         case "datetime":
-          record[schemaKey] = FAKE_DATETIME
+          row[schemaKey] = FAKE_DATETIME
           break
       }
     }
-    params.record = record
+    params.row = row
   } catch (err) {
     throw "Failed to find table for trigger"
   }
@@ -171,7 +171,7 @@ module.exports.externalTrigger = async function(automation, params) {
     automation.definition.trigger != null &&
     automation.definition.trigger.inputs.tableId != null
   ) {
-    params = await fillRecordOutput(automation, params)
+    params = await fillRowOutput(automation, params)
   }
 
   automationQueue.add({ automation, event: params })
diff --git a/packages/server/src/db/linkedRecords/LinkController.js b/packages/server/src/db/linkedRows/LinkController.js
similarity index 83%
rename from packages/server/src/db/linkedRecords/LinkController.js
rename to packages/server/src/db/linkedRows/LinkController.js
index 649837e658..d8e78ac151 100644
--- a/packages/server/src/db/linkedRecords/LinkController.js
+++ b/packages/server/src/db/linkedRows/LinkController.js
@@ -10,40 +10,40 @@ const { generateLinkID } = require("../utils")
  * @param {string} tableId2 The ID of the second table (the linked).
  * @param {string} fieldName1 The name of the field in the linker table.
  * @param {string} fieldName2 The name of the field in the linked table.
- * @param {string} recordId1 The ID of the record which is acting as the linker.
- * @param {string} recordId2 The ID of the record which is acting as the linked.
+ * @param {string} rowId1 The ID of the row which is acting as the linker.
+ * @param {string} rowId2 The ID of the row which is acting as the linked.
  * @constructor
  */
 function LinkDocument(
   tableId1,
   fieldName1,
-  recordId1,
+  rowId1,
   tableId2,
   fieldName2,
-  recordId2
+  rowId2
 ) {
   // build the ID out of unique references to this link document
-  this._id = generateLinkID(tableId1, tableId2, recordId1, recordId2)
+  this._id = generateLinkID(tableId1, tableId2, rowId1, rowId2)
   // required for referencing in view
   this.type = "link"
   this.doc1 = {
     tableId: tableId1,
     fieldName: fieldName1,
-    recordId: recordId1,
+    rowId: rowId1,
   }
   this.doc2 = {
     tableId: tableId2,
     fieldName: fieldName2,
-    recordId: recordId2,
+    rowId: rowId2,
   }
 }
 
 class LinkController {
-  constructor({ instanceId, tableId, record, table, oldTable }) {
+  constructor({ instanceId, tableId, row, table, oldTable }) {
     this._instanceId = instanceId
     this._db = new CouchDB(instanceId)
     this._tableId = tableId
-    this._record = record
+    this._row = row
     this._table = table
     this._oldTable = oldTable
   }
@@ -84,11 +84,11 @@ class LinkController {
   /**
    * Utility function for main getLinkDocuments function - refer to it for functionality.
    */
-  getRecordLinkDocs(recordId) {
+  getRowLinkDocs(rowId) {
     return getLinkDocuments({
       instanceId: this._instanceId,
       tableId: this._tableId,
-      recordId,
+      rowId,
       includeDocs: IncludeDocs.INCLUDE,
     })
   }
@@ -105,43 +105,43 @@ class LinkController {
   }
 
   // all operations here will assume that the table
-  // this operation is related to has linked records
+  // this operation is related to has linked rows
   /**
-   * When a record is saved this will carry out the necessary operations to make sure
+   * When a row is saved this will carry out the necessary operations to make sure
    * the link has been created/updated.
-   * @returns {Promise<object>} returns the record that has been cleaned and prepared to be written to the DB - links
+   * @returns {Promise<object>} returns the row that has been cleaned and prepared to be written to the DB - links
    * have also been created.
    */
-  async recordSaved() {
+  async rowSaved() {
     const table = await this.table()
-    const record = this._record
+    const row = this._row
     const operations = []
     // get link docs to compare against
-    const linkDocs = await this.getRecordLinkDocs(record._id)
+    const linkDocs = await this.getRowLinkDocs(row._id)
     for (let fieldName of Object.keys(table.schema)) {
-      // get the links this record wants to make
-      const recordField = record[fieldName]
+      // get the links this row wants to make
+      const rowField = row[fieldName]
       const field = table.schema[fieldName]
-      if (field.type === "link" && recordField != null) {
-        // check which links actual pertain to the update in this record
+      if (field.type === "link" && rowField != null) {
+        // check which links actual pertain to the update in this row
         const thisFieldLinkDocs = linkDocs.filter(
           linkDoc =>
             linkDoc.doc1.fieldName === fieldName ||
             linkDoc.doc2.fieldName === fieldName
         )
         const linkDocIds = thisFieldLinkDocs.map(linkDoc => {
-          return linkDoc.doc1.recordId === record._id
-            ? linkDoc.doc2.recordId
-            : linkDoc.doc1.recordId
+          return linkDoc.doc1.rowId === row._id
+            ? linkDoc.doc2.rowId
+            : linkDoc.doc1.rowId
         })
-        // iterate through the link IDs in the record field, see if any don't exist already
-        for (let linkId of recordField) {
+        // iterate through the link IDs in the row field, see if any don't exist already
+        for (let linkId of rowField) {
           if (linkId && linkId !== "" && linkDocIds.indexOf(linkId) === -1) {
             operations.push(
               new LinkDocument(
                 table._id,
                 fieldName,
-                record._id,
+                row._id,
                 field.tableId,
                 field.fieldName,
                 linkId
@@ -154,7 +154,7 @@ class LinkController {
           .filter(doc => {
             let correctDoc =
               doc.doc1.fieldName === fieldName ? doc.doc2 : doc.doc1
-            return recordField.indexOf(correctDoc.recordId) === -1
+            return rowField.indexOf(correctDoc.rowId) === -1
           })
           .map(doc => {
             return { ...doc, _deleted: true }
@@ -162,23 +162,23 @@ class LinkController {
         // now add the docs to be deleted to the bulk operation
         operations.push(...toDeleteDocs)
         // replace this field with a simple entry to denote there are links
-        delete record[fieldName]
+        delete row[fieldName]
       }
     }
     await this._db.bulkDocs(operations)
-    return record
+    return row
   }
 
   /**
-   * When a record is deleted this will carry out the necessary operations to make sure
+   * When a row is deleted this will carry out the necessary operations to make sure
    * any links that existed have been removed.
    * @returns {Promise<object>} The operation has been completed and the link documents should now
-   * be accurate. This also returns the record that was deleted.
+   * be accurate. This also returns the row that was deleted.
    */
-  async recordDeleted() {
-    const record = this._record
+  async rowDeleted() {
+    const row = this._row
     // need to get the full link docs to be be able to delete it
-    const linkDocs = await this.getRecordLinkDocs(record._id)
+    const linkDocs = await this.getRowLinkDocs(row._id)
     if (linkDocs.length === 0) {
       return null
     }
@@ -189,11 +189,11 @@ class LinkController {
       }
     })
     await this._db.bulkDocs(toDelete)
-    return record
+    return row
   }
 
   /**
-   * Remove a field from a table as well as any linked records that pertained to it.
+   * Remove a field from a table as well as any linked rows that pertained to it.
    * @param {string} fieldName The field to be removed from the table.
    * @returns {Promise<void>} The table has now been updated.
    */
diff --git a/packages/server/src/db/linkedRecords/index.js b/packages/server/src/db/linkedRows/index.js
similarity index 57%
rename from packages/server/src/db/linkedRecords/index.js
rename to packages/server/src/db/linkedRows/index.js
index 49473d0380..45b4b6236f 100644
--- a/packages/server/src/db/linkedRecords/index.js
+++ b/packages/server/src/db/linkedRows/index.js
@@ -2,14 +2,14 @@ const LinkController = require("./LinkController")
 const { IncludeDocs, getLinkDocuments, createLinkView } = require("./linkUtils")
 
 /**
- * This functionality makes sure that when records with links are created, updated or deleted they are processed
+ * This functionality makes sure that when rows with links are created, updated or deleted they are processed
  * correctly - making sure that no stale links are left around and that all links have been made successfully.
  */
 
 const EventType = {
-  RECORD_SAVE: "record:save",
-  RECORD_UPDATE: "record:update",
-  RECORD_DELETE: "record:delete",
+  ROW_SAVE: "row:save",
+  ROW_UPDATE: "row:update",
+  ROW_DELETE: "row:delete",
   TABLE_SAVE: "table:save",
   TABLE_UPDATED: "table:updated",
   TABLE_DELETE: "table:delete",
@@ -22,21 +22,21 @@ exports.getLinkDocuments = getLinkDocuments
 exports.createLinkView = createLinkView
 
 /**
- * Update link documents for a record or table - this is to be called by the API controller when a change is occurring.
+ * Update link documents for a row or table - this is to be called by the API controller when a change is occurring.
  * @param {string} eventType states what type of change which is occurring, means this can be expanded upon in the
  * future quite easily (all updates go through one function).
  * @param {string} instanceId The ID of the instance in which the change is occurring.
  * @param {string} tableId The ID of the of the table which is being changed.
- * @param {object|null} record The record which is changing, e.g. created, updated or deleted.
+ * @param {object|null} row The row which is changing, e.g. created, updated or deleted.
  * @param {object|null} table If the table has already been retrieved this can be used to reduce database gets.
  * @param {object|null} oldTable If the table is being updated then the old table can be provided for differencing.
- * @returns {Promise<object>} When the update is complete this will respond successfully. Returns the record for
- * record operations and the table for table operations.
+ * @returns {Promise<object>} When the update is complete this will respond successfully. Returns the row for
+ * row operations and the table for table operations.
  */
 exports.updateLinks = async function({
   eventType,
   instanceId,
-  record,
+  row,
   tableId,
   table,
   oldTable,
@@ -54,14 +54,14 @@ exports.updateLinks = async function({
     (oldTable == null ||
       !(await linkController.doesTableHaveLinkedFields(oldTable)))
   ) {
-    return record
+    return row
   }
   switch (eventType) {
-    case EventType.RECORD_SAVE:
-    case EventType.RECORD_UPDATE:
-      return await linkController.recordSaved()
-    case EventType.RECORD_DELETE:
-      return await linkController.recordDeleted()
+    case EventType.ROW_SAVE:
+    case EventType.ROW_UPDATE:
+      return await linkController.rowSaved()
+    case EventType.ROW_DELETE:
+      return await linkController.rowDeleted()
     case EventType.TABLE_SAVE:
       return await linkController.tableSaved()
     case EventType.TABLE_UPDATED:
@@ -69,52 +69,52 @@ exports.updateLinks = async function({
     case EventType.TABLE_DELETE:
       return await linkController.tableDeleted()
     default:
-      throw "Type of event is not known, linked record handler requires update."
+      throw "Type of event is not known, linked row handler requires update."
   }
 }
 
 /**
- * Update a record with information about the links that pertain to it.
- * @param {string} instanceId The instance in which this record has been created.
- * @param {object} records The record(s) themselves which is to be updated with info (if applicable). This can be
- * a single record object or an array of records - both will be handled.
- * @returns {Promise<object>} The updated record (this may be the same if no links were found). If an array was input
+ * Update a row with information about the links that pertain to it.
+ * @param {string} instanceId The instance in which this row has been created.
+ * @param {object} rows The row(s) themselves which is to be updated with info (if applicable). This can be
+ * a single row object or an array of rows - both will be handled.
+ * @returns {Promise<object>} The updated row (this may be the same if no links were found). If an array was input
  * then an array will be output, object input -> object output.
  */
-exports.attachLinkInfo = async (instanceId, records) => {
-  // handle a single record as well as multiple
+exports.attachLinkInfo = async (instanceId, rows) => {
+  // handle a single row as well as multiple
   let wasArray = true
-  if (!(records instanceof Array)) {
-    records = [records]
+  if (!(rows instanceof Array)) {
+    rows = [rows]
     wasArray = false
   }
   // start by getting all the link values for performance reasons
   let responses = await Promise.all(
-    records.map(record =>
+    rows.map(row =>
       getLinkDocuments({
         instanceId,
-        tableId: record.tableId,
-        recordId: record._id,
+        tableId: row.tableId,
+        rowId: row._id,
         includeDocs: IncludeDocs.EXCLUDE,
       })
     )
   )
   // can just use an index to access responses, order maintained
   let index = 0
-  // now iterate through the records and all field information
-  for (let record of records) {
-    // get all links for record, ignore fieldName for now
+  // now iterate through the rows and all field information
+  for (let row of rows) {
+    // get all links for row, ignore fieldName for now
     const linkVals = responses[index++]
     for (let linkVal of linkVals) {
-      // work out which link pertains to this record
-      if (!(record[linkVal.fieldName] instanceof Array)) {
-        record[linkVal.fieldName] = [linkVal.id]
+      // work out which link pertains to this row
+      if (!(row[linkVal.fieldName] instanceof Array)) {
+        row[linkVal.fieldName] = [linkVal.id]
       } else {
-        record[linkVal.fieldName].push(linkVal.id)
+        row[linkVal.fieldName].push(linkVal.id)
       }
     }
   }
   // if it was an array when it came in then handle it as an array in response
   // otherwise return the first element as there was only one input
-  return wasArray ? records : records[0]
+  return wasArray ? rows : rows[0]
 }
diff --git a/packages/server/src/db/linkedRecords/linkUtils.js b/packages/server/src/db/linkedRows/linkUtils.js
similarity index 87%
rename from packages/server/src/db/linkedRecords/linkUtils.js
rename to packages/server/src/db/linkedRows/linkUtils.js
index 821346b5fe..ea90eb3beb 100644
--- a/packages/server/src/db/linkedRecords/linkUtils.js
+++ b/packages/server/src/db/linkedRows/linkUtils.js
@@ -25,12 +25,12 @@ exports.createLinkView = async instanceId => {
       if (doc.type === "link") {
         let doc1 = doc.doc1
         let doc2 = doc.doc2
-        emit([doc1.tableId, doc1.recordId], {
-          id: doc2.recordId,
+        emit([doc1.tableId, doc1.rowId], {
+          id: doc2.rowId,
           fieldName: doc1.fieldName,
         })
-        emit([doc2.tableId, doc2.recordId], {
-          id: doc1.recordId,
+        emit([doc2.tableId, doc2.rowId], {
+          id: doc1.rowId,
           fieldName: doc2.fieldName,
         })
       }
@@ -45,11 +45,11 @@ exports.createLinkView = async instanceId => {
 
 /**
  * Gets the linking documents, not the linked documents themselves.
- * @param {string} instanceId The instance in which we are searching for linked records.
- * @param {string} tableId The table which we are searching for linked records against.
+ * @param {string} instanceId The instance in which we are searching for linked rows.
+ * @param {string} tableId The table which we are searching for linked rows against.
  * @param {string|null} fieldName The name of column/field which is being altered, only looking for
  * linking documents that are related to it. If this is not specified then the table level will be assumed.
- * @param {string|null} recordId The ID of the record which we want to find linking documents for -
+ * @param {string|null} rowId The ID of the row which we want to find linking documents for -
  * if this is not specified then it will assume table or field level depending on whether the
  * field name has been specified.
  * @param {boolean|null} includeDocs whether to include docs in the response call, this is considerably slower so only
@@ -60,13 +60,13 @@ exports.createLinkView = async instanceId => {
 exports.getLinkDocuments = async function({
   instanceId,
   tableId,
-  recordId,
+  rowId,
   includeDocs,
 }) {
   const db = new CouchDB(instanceId)
   let params
-  if (recordId != null) {
-    params = { key: [tableId, recordId] }
+  if (rowId != null) {
+    params = { key: [tableId, rowId] }
   }
   // only table is known
   else {
diff --git a/packages/server/src/db/utils.js b/packages/server/src/db/utils.js
index 1a632aaf76..ddbb3cd8f5 100644
--- a/packages/server/src/db/utils.js
+++ b/packages/server/src/db/utils.js
@@ -5,7 +5,7 @@ const SEPARATOR = "_"
 
 const DocumentTypes = {
   TABLE: "ta",
-  RECORD: "re",
+  ROW: "re",
   USER: "us",
   AUTOMATION: "au",
   LINK: "li",
@@ -19,7 +19,7 @@ exports.SEPARATOR = SEPARATOR
 /**
  * If creating DB allDocs/query params with only a single top level ID this can be used, this
  * is usually the case as most of our docs are top level e.g. tables, automations, users and so on.
- * More complex cases such as link docs and records which have multiple levels of IDs that their
+ * More complex cases such as link docs and rows which have multiple levels of IDs that their
  * ID consists of need their own functions to build the allDocs parameters.
  * @param {string} docType The type of document which input params are being built for, e.g. user,
  * link, app, table and so on.
@@ -55,31 +55,31 @@ exports.generateTableID = () => {
 }
 
 /**
- * Gets the DB allDocs/query params for retrieving a record.
- * @param {string} tableId The table in which the records have been stored.
- * @param {string|null} recordId The ID of the record which is being specifically queried for. This can be
- * left null to get all the records in the table.
+ * Gets the DB allDocs/query params for retrieving a row.
+ * @param {string} tableId The table in which the rows have been stored.
+ * @param {string|null} rowId The ID of the row which is being specifically queried for. This can be
+ * left null to get all the rows in the table.
  * @param {object} otherProps Any other properties to add to the request.
  * @returns {object} Parameters which can then be used with an allDocs request.
  */
-exports.getRecordParams = (tableId, recordId = null, otherProps = {}) => {
+exports.getRowParams = (tableId, rowId = null, otherProps = {}) => {
   if (tableId == null) {
-    throw "Cannot build params for records without a table ID"
+    throw "Cannot build params for rows without a table ID"
   }
   const endOfKey =
-    recordId == null
+    rowId == null
       ? `${tableId}${SEPARATOR}`
-      : `${tableId}${SEPARATOR}${recordId}`
-  return getDocParams(DocumentTypes.RECORD, endOfKey, otherProps)
+      : `${tableId}${SEPARATOR}${rowId}`
+  return getDocParams(DocumentTypes.ROW, endOfKey, otherProps)
 }
 
 /**
- * Gets a new record ID for the specified table.
- * @param {string} tableId The table which the record is being created for.
- * @returns {string} The new ID which a record doc can be stored under.
+ * Gets a new row ID for the specified table.
+ * @param {string} tableId The table which the row is being created for.
+ * @returns {string} The new ID which a row doc can be stored under.
  */
-exports.generateRecordID = tableId => {
-  return `${DocumentTypes.RECORD}${SEPARATOR}${tableId}${SEPARATOR}${newid()}`
+exports.generateRowID = tableId => {
+  return `${DocumentTypes.ROW}${SEPARATOR}${tableId}${SEPARATOR}${newid()}`
 }
 
 /**
@@ -118,12 +118,12 @@ exports.generateAutomationID = () => {
  * instead a view is built to make walking to tree easier.
  * @param {string} tableId1 The ID of the linker table.
  * @param {string} tableId2 The ID of the linked table.
- * @param {string} recordId1 The ID of the linker record.
- * @param {string} recordId2 The ID of the linked record.
+ * @param {string} rowId1 The ID of the linker row.
+ * @param {string} rowId2 The ID of the linked row.
  * @returns {string} The new link doc ID which the automation doc can be stored under.
  */
-exports.generateLinkID = (tableId1, tableId2, recordId1, recordId2) => {
-  return `${DocumentTypes.AUTOMATION}${SEPARATOR}${tableId1}${SEPARATOR}${tableId2}${SEPARATOR}${recordId1}${SEPARATOR}${recordId2}`
+exports.generateLinkID = (tableId1, tableId2, rowId1, rowId2) => {
+  return `${DocumentTypes.AUTOMATION}${SEPARATOR}${tableId1}${SEPARATOR}${tableId2}${SEPARATOR}${rowId1}${SEPARATOR}${rowId2}`
 }
 
 /**
diff --git a/packages/server/src/events/index.js b/packages/server/src/events/index.js
index 69b29176ce..4c4541741c 100644
--- a/packages/server/src/events/index.js
+++ b/packages/server/src/events/index.js
@@ -11,18 +11,18 @@ const EventEmitter = require("events").EventEmitter
  * This is specifically quite important for mustache used in automations.
  */
 class BudibaseEmitter extends EventEmitter {
-  emitRecord(eventName, instanceId, record, table = null) {
+  emitRow(eventName, instanceId, row, table = null) {
     let event = {
-      record,
+      row,
       instanceId,
-      tableId: record.tableId,
+      tableId: row.tableId,
     }
     if (table) {
       event.table = table
     }
-    event.id = record._id
-    if (record._rev) {
-      event.revision = record._rev
+    event.id = row._id
+    if (row._rev) {
+      event.revision = row._rev
     }
     this.emit(eventName, event)
   }
diff --git a/packages/server/src/middleware/usageQuota.js b/packages/server/src/middleware/usageQuota.js
index e82305dc12..198c4c9c7b 100644
--- a/packages/server/src/middleware/usageQuota.js
+++ b/packages/server/src/middleware/usageQuota.js
@@ -9,7 +9,7 @@ const METHOD_MAP = {
 }
 
 const DOMAIN_MAP = {
-  records: usageQuota.Properties.RECORD,
+  rows: usageQuota.Properties.ROW,
   upload: usageQuota.Properties.UPLOAD,
   views: usageQuota.Properties.VIEW,
   users: usageQuota.Properties.USER,
diff --git a/packages/server/src/utilities/linkedRecords.js b/packages/server/src/utilities/linkedRows.js
similarity index 100%
rename from packages/server/src/utilities/linkedRecords.js
rename to packages/server/src/utilities/linkedRows.js
diff --git a/packages/server/src/utilities/usageQuota.js b/packages/server/src/utilities/usageQuota.js
index fdf8ea813c..8772e400c3 100644
--- a/packages/server/src/utilities/usageQuota.js
+++ b/packages/server/src/utilities/usageQuota.js
@@ -2,7 +2,7 @@ const environment = require("../environment")
 const { apiKeyTable } = require("../db/dynamoClient")
 
 const DEFAULT_USAGE = {
-  records: 0,
+  rows: 0,
   storage: 0,
   views: 0,
   automationRuns: 0,
@@ -10,7 +10,7 @@ const DEFAULT_USAGE = {
 }
 
 const DEFAULT_PLAN = {
-  records: 1000,
+  rows: 1000,
   // 1 GB
   storage: 8589934592,
   views: 10,
@@ -42,7 +42,7 @@ function getNewQuotaReset() {
 }
 
 exports.Properties = {
-  RECORD: "records",
+  ROW: "rows",
   UPLOAD: "storage",
   VIEW: "views",
   USER: "users",
diff --git a/packages/standard-components/components.json b/packages/standard-components/components.json
index 56e4b19823..6ffff2752e 100644
--- a/packages/standard-components/components.json
+++ b/packages/standard-components/components.json
@@ -1,8 +1,8 @@
 {
 	"_lib": "./dist/index.js",
 	"_templates": {
-		"saveRecordButton": {
-			"description": "Save record button",
+		"saveRowButton": {
+			"description": "Save row button",
 			"component": "button"
 		}
 	},
@@ -269,8 +269,8 @@
 			"destinationUrl": "string"
 		}
 	},
-	"recorddetail": {
-		"description": "Loads a record, using an ID in the url",
+	"rowdetail": {
+		"description": "Loads a row, using an ID in the url",
 		"context": "table",
 		"children": true,
 		"data": true,
@@ -757,4 +757,4 @@
 			"className": "string"
 		}
 	}
-}
\ No newline at end of file
+}
diff --git a/packages/standard-components/public/bundle.js b/packages/standard-components/public/bundle.js
index 9ea5b06b45..1b31d15dea 100644
--- a/packages/standard-components/public/bundle.js
+++ b/packages/standard-components/public/bundle.js
@@ -19392,8 +19392,8 @@ var app = (function (crypto$1) {
   const common = () => commonPlus([]);
 
   const _events = {
-    recordApi: {
-      save: commonPlus(["onInvalid", "onRecordUpdated", "onRecordCreated"]),
+    rowApi: {
+      save: commonPlus(["onInvalid", "onRowUpdated", "onRowCreated"]),
       delete: common(),
       getContext: common(),
       getNew: common(),
@@ -19409,7 +19409,7 @@ var app = (function (crypto$1) {
       aggregates: common(),
     },
     collectionApi: {
-      getAllowedRecordTypes: common(),
+      getAllowedRowTypes: common(),
       initialise: common(),
       delete: common(),
     },
@@ -21240,7 +21240,7 @@ var app = (function (crypto$1) {
     ),
     makerule(
       "indexType",
-      "reference index may only exist on a record node",
+      "reference index may only exist on a row node",
       index =>
         isTable(index.parent()) || index.indexType !== indexTypes.reference
     ),
@@ -21298,7 +21298,7 @@ var app = (function (crypto$1) {
       getFlattenedHierarchy,
       fp_1(
         n =>
-          isCollectionRecord(n) &&
+          isCollectionRow(n) &&
           new RegExp(`${n.collectionPathRegx()}$`).test(collectionKey)
       ),
     ]);
@@ -21309,7 +21309,7 @@ var app = (function (crypto$1) {
       fp_1(
         n =>
           n.nodeKey() === nodeKey ||
-          (isCollectionRecord(n) && n.collectionNodeKey() === nodeKey)
+          (isCollectionRow(n) && n.collectionNodeKey() === nodeKey)
       ),
     ]);
 
@@ -21321,20 +21321,20 @@ var app = (function (crypto$1) {
   const isNode = (appHierarchy, key) =>
     isSomething(getExactNodeForKey(appHierarchy)(key));
 
-  const isTable = node => isSomething(node) && node.type === "record";
-  const isSingleRecord = node => isTable(node) && node.isSingle;
-  const isCollectionRecord = node => isTable(node) && !node.isSingle;
+  const isTable = node => isSomething(node) && node.type === "row";
+  const isSingleRow = node => isTable(node) && node.isSingle;
+  const isCollectionRow = node => isTable(node) && !node.isSingle;
   const isRoot = node => isSomething(node) && node.isRoot();
 
   const getSafeFieldParser = (tryParse, defaultValueFunctions) => (
     field,
-    record
+    row
   ) => {
-    if (fp_25(field.name)(record)) {
+    if (fp_25(field.name)(row)) {
       return getSafeValueParser(
         tryParse,
         defaultValueFunctions
-      )(record[field.name])
+      )(row[field.name])
     }
     return defaultValueFunctions[field.getUndefinedValue]()
   };
@@ -21372,10 +21372,10 @@ var app = (function (crypto$1) {
 
   const validateTypeConstraints = validationRules => async (
     field,
-    record,
+    row,
     context
   ) => {
-    const fieldValue = record[field.name];
+    const fieldValue = row[field.name];
     const validateRule = async r =>
       !(await r.isValid(fieldValue, field.typeOptions, context))
         ? r.getMessage(fieldValue, field.typeOptions)
@@ -21880,10 +21880,10 @@ var app = (function (crypto$1) {
   );
 
   const permissionTypes = {
-    CREATE_RECORD: "create record",
-    UPDATE_RECORD: "update record",
-    READ_RECORD: "read record",
-    DELETE_RECORD: "delete record",
+    CREATE_ROW: "create row",
+    UPDATE_ROW: "update row",
+    READ_ROW: "read row",
+    DELETE_ROW: "delete row",
     READ_INDEX: "read index",
     MANAGE_INDEX: "manage index",
     MANAGE_COLLECTION: "manage collection",
@@ -21953,13 +21953,13 @@ var app = (function (crypto$1) {
     get: () => ({ type }),
   });
 
-  const createRecord = nodePermission(permissionTypes.CREATE_RECORD);
+  const createRow = nodePermission(permissionTypes.CREATE_ROW);
 
-  const updateRecord = nodePermission(permissionTypes.UPDATE_RECORD);
+  const updateRow = nodePermission(permissionTypes.UPDATE_ROW);
 
-  const deleteRecord = nodePermission(permissionTypes.DELETE_RECORD);
+  const deleteRow = nodePermission(permissionTypes.DELETE_ROW);
 
-  const readRecord = nodePermission(permissionTypes.READ_RECORD);
+  const readRow = nodePermission(permissionTypes.READ_ROW);
 
   const writeTemplates = staticPermission(permissionTypes.WRITE_TEMPLATES);
 
@@ -21994,10 +21994,10 @@ var app = (function (crypto$1) {
   const alwaysAuthorized = () => true;
 
   const permission = {
-    createRecord,
-    updateRecord,
-    deleteRecord,
-    readRecord,
+    createRow,
+    updateRow,
+    deleteRow,
+    readRow,
     writeTemplates,
     createUser,
     setPassword,
@@ -22013,41 +22013,41 @@ var app = (function (crypto$1) {
     setUserAccessLevels,
   };
 
-  const getNew = app => (collectionKey, recordTypeName) => {
-    const recordNode = getRecordNode(app, collectionKey);
+  const getNew = app => (collectionKey, rowTypeName) => {
+    const rowNode = getRowNode(app, collectionKey);
     collectionKey = safeKey(collectionKey);
     return apiWrapperSync(
       app,
-      events.recordApi.getNew,
-      permission.createRecord.isAuthorized(recordNode.nodeKey()),
-      { collectionKey, recordTypeName },
+      events.rowApi.getNew,
+      permission.createRow.isAuthorized(rowNode.nodeKey()),
+      { collectionKey, rowTypeName },
       _getNew,
-      recordNode,
+      rowNode,
       collectionKey
     )
   };
 
-  const _getNew = (recordNode, collectionKey) =>
-    constructRecord(recordNode, getNewFieldValue, collectionKey);
+  const _getNew = (rowNode, collectionKey) =>
+    constructRow(rowNode, getNewFieldValue, collectionKey);
 
-  const getRecordNode = (app, collectionKey) => {
+  const getRowNode = (app, collectionKey) => {
     collectionKey = safeKey(collectionKey);
     return getNodeForCollectionPath(app.hierarchy)(collectionKey)
   };
 
-  const getNewChild = app => (recordKey, collectionName, recordTypeName) =>
-    getNew(app)(joinKey(recordKey, collectionName), recordTypeName);
+  const getNewChild = app => (rowKey, collectionName, rowTypeName) =>
+    getNew(app)(joinKey(rowKey, collectionName), rowTypeName);
 
-  const constructRecord = (recordNode, getFieldValue, collectionKey) => {
-    const record = $(recordNode.fields, [fp_35("name"), fp_26(getFieldValue)]);
+  const constructRow = (rowNode, getFieldValue, collectionKey) => {
+    const row = $(rowNode.fields, [fp_35("name"), fp_26(getFieldValue)]);
 
-    record.id = `${recordNode.nodeId}-${shortid_1()}`;
-    record.key = isSingleRecord(recordNode)
-      ? joinKey(collectionKey, recordNode.name)
-      : joinKey(collectionKey, record.id);
-    record.isNew = true;
-    record.type = recordNode.name;
-    return record
+    row.id = `${rowNode.nodeId}-${shortid_1()}`;
+    row.key = isSingleRow(rowNode)
+      ? joinKey(collectionKey, rowNode.name)
+      : joinKey(collectionKey, row.id);
+    row.isNew = true;
+    row.type = rowNode.name;
+    return row
   };
 
   const pathRegxMaker = node => () =>
@@ -22056,7 +22056,7 @@ var app = (function (crypto$1) {
   const nodeKeyMaker = node => () =>
     switchCase(
       [
-        n => isTable(n) && !isSingleRecord(n),
+        n => isTable(n) && !isSingleRow(n),
         n =>
           joinKey(
             node.parent().nodeKey(),
@@ -22076,7 +22076,7 @@ var app = (function (crypto$1) {
     node.parent = fp_21(parent);
     node.isRoot = () =>
       isNothing(parent) && node.name === "root" && node.type === "root";
-    if (isCollectionRecord(node)) {
+    if (isCollectionRow(node)) {
       node.collectionNodeKey = () =>
         joinKey(parent.nodeKey(), node.collectionName);
       node.collectionPathRegx = () =>
@@ -22116,7 +22116,7 @@ var app = (function (crypto$1) {
     const app = createCoreApp(backendDefinition, user);
 
     return {
-      recordApi: {
+      rowApi: {
         getNew: getNew(app),
         getNewChild: getNewChild(app),
       },
@@ -22232,40 +22232,40 @@ var app = (function (crypto$1) {
 
   const ERROR = "##error_message";
 
-  const loadRecord = api => async ({ recordKey, statePath }) => {
-    if (!recordKey) {
-      api.error("Load Record: record key not set");
+  const loadRow = api => async ({ rowKey, statePath }) => {
+    if (!rowKey) {
+      api.error("Load Row: row key not set");
       return
     }
 
     if (!statePath) {
-      api.error("Load Record: state path not set");
+      api.error("Load Row: state path not set");
       return
     }
 
-    const record = await api.get({
-      url: `/api/record/${trimSlash(recordKey)}`,
+    const row = await api.get({
+      url: `/api/row/${trimSlash(rowKey)}`,
     });
 
-    if (api.isSuccess(record)) api.setState(statePath, record);
+    if (api.isSuccess(row)) api.setState(statePath, row);
   };
 
-  const listRecords = api => async ({ indexKey, statePath }) => {
+  const listRows = api => async ({ indexKey, statePath }) => {
     if (!indexKey) {
-      api.error("Load Record: record key not set");
+      api.error("Load Row: row key not set");
       return
     }
 
     if (!statePath) {
-      api.error("Load Record: state path not set");
+      api.error("Load Row: state path not set");
       return
     }
 
-    const records = await api.get({
-      url: `/api/listRecords/${trimSlash(indexKey)}`,
+    const rows = await api.get({
+      url: `/api/listRows/${trimSlash(indexKey)}`,
     });
 
-    if (api.isSuccess(records)) api.setState(statePath, records);
+    if (api.isSuccess(rows)) api.setState(statePath, rows);
   };
 
   const USER_STATE_PATH = "_bbuser";
@@ -22291,32 +22291,32 @@ var app = (function (crypto$1) {
     localStorage.setItem("budibase:user", JSON.stringify(user));
   };
 
-  const saveRecord = api => async ({ statePath }) => {
+  const saveRow = api => async ({ statePath }) => {
     if (!statePath) {
-      api.error("Load Record: state path not set");
+      api.error("Load Row: state path not set");
       return
     }
 
-    const recordtoSave = api.getState(statePath);
+    const rowtoSave = api.getState(statePath);
 
-    if (!recordtoSave) {
-      api.error(`there is no record in state: ${statePath}`);
+    if (!rowtoSave) {
+      api.error(`there is no row in state: ${statePath}`);
       return
     }
 
-    if (!recordtoSave.key) {
+    if (!rowtoSave.key) {
       api.error(
-        `item in state does not appear to be a record - it has no key (${statePath})`
+        `item in state does not appear to be a row - it has no key (${statePath})`
       );
       return
     }
 
-    const savedRecord = await api.post({
-      url: `/api/record/${trimSlash(recordtoSave.key)}`,
-      body: recordtoSave,
+    const savedRow = await api.post({
+      url: `/api/row/${trimSlash(rowtoSave.key)}`,
+      body: rowtoSave,
     });
 
-    if (api.isSuccess(savedRecord)) api.setState(statePath, savedRecord);
+    if (api.isSuccess(savedRow)) api.setState(statePath, savedRow);
   };
 
   const createApi = ({ rootPath, setState, getState }) => {
@@ -22383,23 +22383,23 @@ var app = (function (crypto$1) {
     };
 
     return {
-      loadRecord: loadRecord(apiOpts),
-      listRecords: listRecords(apiOpts),
+      loadRow: loadRow(apiOpts),
+      listRows: listRows(apiOpts),
       authenticate: authenticate(apiOpts),
-      saveRecord: saveRecord(apiOpts),
+      saveRow: saveRow(apiOpts),
     }
   };
 
-  const getNewChildRecordToState = (coreApi, setState) => ({
-    recordKey,
+  const getNewChildRowToState = (coreApi, setState) => ({
+    rowKey,
     collectionName,
-    childRecordType,
+    childRowType,
     statePath,
   }) => {
     const error = errorHandler(setState);
     try {
-      if (!recordKey) {
-        error("getNewChild > recordKey not set");
+      if (!rowKey) {
+        error("getNewChild > rowKey not set");
         return
       }
 
@@ -22408,8 +22408,8 @@ var app = (function (crypto$1) {
         return
       }
 
-      if (!childRecordType) {
-        error("getNewChild > childRecordType not set");
+      if (!childRowType) {
+        error("getNewChild > childRowType not set");
         return
       }
 
@@ -22418,10 +22418,10 @@ var app = (function (crypto$1) {
         return
       }
 
-      const rec = coreApi.recordApi.getNewChild(
-        recordKey,
+      const rec = coreApi.rowApi.getNewChild(
+        rowKey,
         collectionName,
-        childRecordType
+        childRowType
       );
       setState(statePath, rec);
     } catch (e) {
@@ -22429,9 +22429,9 @@ var app = (function (crypto$1) {
     }
   };
 
-  const getNewRecordToState = (coreApi, setState) => ({
+  const getNewRowToState = (coreApi, setState) => ({
     collectionKey,
-    childRecordType,
+    childRowType,
     statePath,
   }) => {
     const error = errorHandler(setState);
@@ -22441,8 +22441,8 @@ var app = (function (crypto$1) {
         return
       }
 
-      if (!childRecordType) {
-        error("getNewChild > childRecordType not set");
+      if (!childRowType) {
+        error("getNewChild > childRowType not set");
         return
       }
 
@@ -22451,7 +22451,7 @@ var app = (function (crypto$1) {
         return
       }
 
-      const rec = coreApi.recordApi.getNew(collectionKey, childRecordType);
+      const rec = coreApi.rowApi.getNew(collectionKey, childRowType);
       setState(statePath, rec);
     } catch (e) {
       error(e.message);
@@ -22485,18 +22485,18 @@ var app = (function (crypto$1) {
 
     return {
       "Set State": handler(["path", "value"], setStateHandler),
-      "Load Record": handler(["recordKey", "statePath"], api.loadRecord),
-      "List Records": handler(["indexKey", "statePath"], api.listRecords),
-      "Save Record": handler(["statePath"], api.saveRecord),
+      "Load Row": handler(["rowKey", "statePath"], api.loadRow),
+      "List Rows": handler(["indexKey", "statePath"], api.listRows),
+      "Save Row": handler(["statePath"], api.saveRow),
 
-      "Get New Child Record": handler(
-        ["recordKey", "collectionName", "childRecordType", "statePath"],
-        getNewChildRecordToState(coreApi, setStateWithStore)
+      "Get New Child Row": handler(
+        ["rowKey", "collectionName", "childRowType", "statePath"],
+        getNewChildRowToState(coreApi, setStateWithStore)
       ),
 
-      "Get New Record": handler(
-        ["collectionKey", "childRecordType", "statePath"],
-        getNewRecordToState(coreApi, setStateWithStore)
+      "Get New Row": handler(
+        ["collectionKey", "childRowType", "statePath"],
+        getNewRowToState(coreApi, setStateWithStore)
       ),
 
       Authenticate: handler(["username", "password"], api.authenticate),
diff --git a/packages/standard-components/public/bundle.js.map b/packages/standard-components/public/bundle.js.map
index c054f74ee6..4bd0c2511a 100644
--- a/packages/standard-components/public/bundle.js.map
+++ b/packages/standard-components/public/bundle.js.map
@@ -42,7 +42,7 @@
     "../../core/src/authApi/authCommon.js",
     "../../core/src/authApi/isAuthorized.js",
     "../../core/src/authApi/permissions.js",
-    "../../core/src/recordApi/getNew.js",
+    "../../core/src/rowApi/getNew.js",
     "../../core/src/templateApi/createNodes.js",
     "../../client/src/core/index.js",
     "../../client/src/state/isState.js",
@@ -50,10 +50,10 @@
     "../../client/src/state/setState.js",
     "../../client/src/common/trimSlash.js",
     "../../client/src/state/standardState.js",
-    "../../client/src/api/loadRecord.js",
-    "../../client/src/api/listRecords.js",
+    "../../client/src/api/loadRow.js",
+    "../../client/src/api/listRows.js",
     "../../client/src/api/authenticate.js",
-    "../../client/src/api/saveRecord.js",
+    "../../client/src/api/saveRow.js",
     "../../client/src/api/index.js",
     "../../client/src/state/coreHandlers.js",
     "../../client/src/state/eventHandlers.js",
@@ -102,17 +102,17 @@
     "'use strict';\n\nvar alphabet = require('./alphabet');\nvar build = require('./build');\nvar isValid = require('./is-valid');\n\n// if you are using cluster or multiple servers use this to make each instance\n// has a unique value for worker\n// Note: I don't know if this is automatically set when using third\n// party cluster solutions such as pm2.\nvar clusterWorkerId = require('./util/cluster-worker-id') || 0;\n\n/**\n * Set the seed.\n * Highly recommended if you don't want people to try to figure out your id schema.\n * exposed as shortid.seed(int)\n * @param seed Integer value to seed the random alphabet.  ALWAYS USE THE SAME SEED or you might get overlaps.\n */\nfunction seed(seedValue) {\n    alphabet.seed(seedValue);\n    return module.exports;\n}\n\n/**\n * Set the cluster worker or machine id\n * exposed as shortid.worker(int)\n * @param workerId worker must be positive integer.  Number less than 16 is recommended.\n * returns shortid module so it can be chained.\n */\nfunction worker(workerId) {\n    clusterWorkerId = workerId;\n    return module.exports;\n}\n\n/**\n *\n * sets new characters to use in the alphabet\n * returns the shuffled alphabet\n */\nfunction characters(newCharacters) {\n    if (newCharacters !== undefined) {\n        alphabet.characters(newCharacters);\n    }\n\n    return alphabet.shuffled();\n}\n\n/**\n * Generate unique id\n * Returns string id\n */\nfunction generate() {\n  return build(clusterWorkerId);\n}\n\n// Export all other functions as properties of the generate function\nmodule.exports = generate;\nmodule.exports.generate = generate;\nmodule.exports.seed = seed;\nmodule.exports.worker = worker;\nmodule.exports.characters = characters;\nmodule.exports.isValid = isValid;\n",
     "'use strict';\nmodule.exports = require('./lib/index');\n",
     "/**\n * @license\n * Lodash <https://lodash.com/>\n * Copyright OpenJS Foundation and other contributors <https://openjsf.org/>\n * Released under MIT license <https://lodash.com/license>\n * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>\n * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors\n */\n;(function() {\n\n  /** Used as a safe reference for `undefined` in pre-ES5 environments. */\n  var undefined;\n\n  /** Used as the semantic version number. */\n  var VERSION = '4.17.15';\n\n  /** Used as the size to enable large array optimizations. */\n  var LARGE_ARRAY_SIZE = 200;\n\n  /** Error message constants. */\n  var CORE_ERROR_TEXT = 'Unsupported core-js use. Try https://npms.io/search?q=ponyfill.',\n      FUNC_ERROR_TEXT = 'Expected a function';\n\n  /** Used to stand-in for `undefined` hash values. */\n  var HASH_UNDEFINED = '__lodash_hash_undefined__';\n\n  /** Used as the maximum memoize cache size. */\n  var MAX_MEMOIZE_SIZE = 500;\n\n  /** Used as the internal argument placeholder. */\n  var PLACEHOLDER = '__lodash_placeholder__';\n\n  /** Used to compose bitmasks for cloning. */\n  var CLONE_DEEP_FLAG = 1,\n      CLONE_FLAT_FLAG = 2,\n      CLONE_SYMBOLS_FLAG = 4;\n\n  /** Used to compose bitmasks for value comparisons. */\n  var COMPARE_PARTIAL_FLAG = 1,\n      COMPARE_UNORDERED_FLAG = 2;\n\n  /** Used to compose bitmasks for function metadata. */\n  var WRAP_BIND_FLAG = 1,\n      WRAP_BIND_KEY_FLAG = 2,\n      WRAP_CURRY_BOUND_FLAG = 4,\n      WRAP_CURRY_FLAG = 8,\n      WRAP_CURRY_RIGHT_FLAG = 16,\n      WRAP_PARTIAL_FLAG = 32,\n      WRAP_PARTIAL_RIGHT_FLAG = 64,\n      WRAP_ARY_FLAG = 128,\n      WRAP_REARG_FLAG = 256,\n      WRAP_FLIP_FLAG = 512;\n\n  /** Used as default options for `_.truncate`. */\n  var DEFAULT_TRUNC_LENGTH = 30,\n      DEFAULT_TRUNC_OMISSION = '...';\n\n  /** Used to detect hot functions by number of calls within a span of milliseconds. */\n  var HOT_COUNT = 800,\n      HOT_SPAN = 16;\n\n  /** Used to indicate the type of lazy iteratees. */\n  var LAZY_FILTER_FLAG = 1,\n      LAZY_MAP_FLAG = 2,\n      LAZY_WHILE_FLAG = 3;\n\n  /** Used as references for various `Number` constants. */\n  var INFINITY = 1 / 0,\n      MAX_SAFE_INTEGER = 9007199254740991,\n      MAX_INTEGER = 1.7976931348623157e+308,\n      NAN = 0 / 0;\n\n  /** Used as references for the maximum length and index of an array. */\n  var MAX_ARRAY_LENGTH = 4294967295,\n      MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1,\n      HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1;\n\n  /** Used to associate wrap methods with their bit flags. */\n  var wrapFlags = [\n    ['ary', WRAP_ARY_FLAG],\n    ['bind', WRAP_BIND_FLAG],\n    ['bindKey', WRAP_BIND_KEY_FLAG],\n    ['curry', WRAP_CURRY_FLAG],\n    ['curryRight', WRAP_CURRY_RIGHT_FLAG],\n    ['flip', WRAP_FLIP_FLAG],\n    ['partial', WRAP_PARTIAL_FLAG],\n    ['partialRight', WRAP_PARTIAL_RIGHT_FLAG],\n    ['rearg', WRAP_REARG_FLAG]\n  ];\n\n  /** `Object#toString` result references. */\n  var argsTag = '[object Arguments]',\n      arrayTag = '[object Array]',\n      asyncTag = '[object AsyncFunction]',\n      boolTag = '[object Boolean]',\n      dateTag = '[object Date]',\n      domExcTag = '[object DOMException]',\n      errorTag = '[object Error]',\n      funcTag = '[object Function]',\n      genTag = '[object GeneratorFunction]',\n      mapTag = '[object Map]',\n      numberTag = '[object Number]',\n      nullTag = '[object Null]',\n      objectTag = '[object Object]',\n      promiseTag = '[object Promise]',\n      proxyTag = '[object Proxy]',\n      regexpTag = '[object RegExp]',\n      setTag = '[object Set]',\n      stringTag = '[object String]',\n      symbolTag = '[object Symbol]',\n      undefinedTag = '[object Undefined]',\n      weakMapTag = '[object WeakMap]',\n      weakSetTag = '[object WeakSet]';\n\n  var arrayBufferTag = '[object ArrayBuffer]',\n      dataViewTag = '[object DataView]',\n      float32Tag = '[object Float32Array]',\n      float64Tag = '[object Float64Array]',\n      int8Tag = '[object Int8Array]',\n      int16Tag = '[object Int16Array]',\n      int32Tag = '[object Int32Array]',\n      uint8Tag = '[object Uint8Array]',\n      uint8ClampedTag = '[object Uint8ClampedArray]',\n      uint16Tag = '[object Uint16Array]',\n      uint32Tag = '[object Uint32Array]';\n\n  /** Used to match empty string literals in compiled template source. */\n  var reEmptyStringLeading = /\\b__p \\+= '';/g,\n      reEmptyStringMiddle = /\\b(__p \\+=) '' \\+/g,\n      reEmptyStringTrailing = /(__e\\(.*?\\)|\\b__t\\)) \\+\\n'';/g;\n\n  /** Used to match HTML entities and HTML characters. */\n  var reEscapedHtml = /&(?:amp|lt|gt|quot|#39);/g,\n      reUnescapedHtml = /[&<>\"']/g,\n      reHasEscapedHtml = RegExp(reEscapedHtml.source),\n      reHasUnescapedHtml = RegExp(reUnescapedHtml.source);\n\n  /** Used to match template delimiters. */\n  var reEscape = /<%-([\\s\\S]+?)%>/g,\n      reEvaluate = /<%([\\s\\S]+?)%>/g,\n      reInterpolate = /<%=([\\s\\S]+?)%>/g;\n\n  /** Used to match property names within property paths. */\n  var reIsDeepProp = /\\.|\\[(?:[^[\\]]*|([\"'])(?:(?!\\1)[^\\\\]|\\\\.)*?\\1)\\]/,\n      reIsPlainProp = /^\\w*$/,\n      rePropName = /[^.[\\]]+|\\[(?:(-?\\d+(?:\\.\\d+)?)|([\"'])((?:(?!\\2)[^\\\\]|\\\\.)*?)\\2)\\]|(?=(?:\\.|\\[\\])(?:\\.|\\[\\]|$))/g;\n\n  /**\n   * Used to match `RegExp`\n   * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).\n   */\n  var reRegExpChar = /[\\\\^$.*+?()[\\]{}|]/g,\n      reHasRegExpChar = RegExp(reRegExpChar.source);\n\n  /** Used to match leading and trailing whitespace. */\n  var reTrim = /^\\s+|\\s+$/g,\n      reTrimStart = /^\\s+/,\n      reTrimEnd = /\\s+$/;\n\n  /** Used to match wrap detail comments. */\n  var reWrapComment = /\\{(?:\\n\\/\\* \\[wrapped with .+\\] \\*\\/)?\\n?/,\n      reWrapDetails = /\\{\\n\\/\\* \\[wrapped with (.+)\\] \\*/,\n      reSplitDetails = /,? & /;\n\n  /** Used to match words composed of alphanumeric characters. */\n  var reAsciiWord = /[^\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\x7f]+/g;\n\n  /** Used to match backslashes in property paths. */\n  var reEscapeChar = /\\\\(\\\\)?/g;\n\n  /**\n   * Used to match\n   * [ES template delimiters](http://ecma-international.org/ecma-262/7.0/#sec-template-literal-lexical-components).\n   */\n  var reEsTemplate = /\\$\\{([^\\\\}]*(?:\\\\.[^\\\\}]*)*)\\}/g;\n\n  /** Used to match `RegExp` flags from their coerced string values. */\n  var reFlags = /\\w*$/;\n\n  /** Used to detect bad signed hexadecimal string values. */\n  var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;\n\n  /** Used to detect binary string values. */\n  var reIsBinary = /^0b[01]+$/i;\n\n  /** Used to detect host constructors (Safari). */\n  var reIsHostCtor = /^\\[object .+?Constructor\\]$/;\n\n  /** Used to detect octal string values. */\n  var reIsOctal = /^0o[0-7]+$/i;\n\n  /** Used to detect unsigned integer values. */\n  var reIsUint = /^(?:0|[1-9]\\d*)$/;\n\n  /** Used to match Latin Unicode letters (excluding mathematical operators). */\n  var reLatin = /[\\xc0-\\xd6\\xd8-\\xf6\\xf8-\\xff\\u0100-\\u017f]/g;\n\n  /** Used to ensure capturing order of template delimiters. */\n  var reNoMatch = /($^)/;\n\n  /** Used to match unescaped characters in compiled string literals. */\n  var reUnescapedString = /['\\n\\r\\u2028\\u2029\\\\]/g;\n\n  /** Used to compose unicode character classes. */\n  var rsAstralRange = '\\\\ud800-\\\\udfff',\n      rsComboMarksRange = '\\\\u0300-\\\\u036f',\n      reComboHalfMarksRange = '\\\\ufe20-\\\\ufe2f',\n      rsComboSymbolsRange = '\\\\u20d0-\\\\u20ff',\n      rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,\n      rsDingbatRange = '\\\\u2700-\\\\u27bf',\n      rsLowerRange = 'a-z\\\\xdf-\\\\xf6\\\\xf8-\\\\xff',\n      rsMathOpRange = '\\\\xac\\\\xb1\\\\xd7\\\\xf7',\n      rsNonCharRange = '\\\\x00-\\\\x2f\\\\x3a-\\\\x40\\\\x5b-\\\\x60\\\\x7b-\\\\xbf',\n      rsPunctuationRange = '\\\\u2000-\\\\u206f',\n      rsSpaceRange = ' \\\\t\\\\x0b\\\\f\\\\xa0\\\\ufeff\\\\n\\\\r\\\\u2028\\\\u2029\\\\u1680\\\\u180e\\\\u2000\\\\u2001\\\\u2002\\\\u2003\\\\u2004\\\\u2005\\\\u2006\\\\u2007\\\\u2008\\\\u2009\\\\u200a\\\\u202f\\\\u205f\\\\u3000',\n      rsUpperRange = 'A-Z\\\\xc0-\\\\xd6\\\\xd8-\\\\xde',\n      rsVarRange = '\\\\ufe0e\\\\ufe0f',\n      rsBreakRange = rsMathOpRange + rsNonCharRange + rsPunctuationRange + rsSpaceRange;\n\n  /** Used to compose unicode capture groups. */\n  var rsApos = \"['\\u2019]\",\n      rsAstral = '[' + rsAstralRange + ']',\n      rsBreak = '[' + rsBreakRange + ']',\n      rsCombo = '[' + rsComboRange + ']',\n      rsDigits = '\\\\d+',\n      rsDingbat = '[' + rsDingbatRange + ']',\n      rsLower = '[' + rsLowerRange + ']',\n      rsMisc = '[^' + rsAstralRange + rsBreakRange + rsDigits + rsDingbatRange + rsLowerRange + rsUpperRange + ']',\n      rsFitz = '\\\\ud83c[\\\\udffb-\\\\udfff]',\n      rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',\n      rsNonAstral = '[^' + rsAstralRange + ']',\n      rsRegional = '(?:\\\\ud83c[\\\\udde6-\\\\uddff]){2}',\n      rsSurrPair = '[\\\\ud800-\\\\udbff][\\\\udc00-\\\\udfff]',\n      rsUpper = '[' + rsUpperRange + ']',\n      rsZWJ = '\\\\u200d';\n\n  /** Used to compose unicode regexes. */\n  var rsMiscLower = '(?:' + rsLower + '|' + rsMisc + ')',\n      rsMiscUpper = '(?:' + rsUpper + '|' + rsMisc + ')',\n      rsOptContrLower = '(?:' + rsApos + '(?:d|ll|m|re|s|t|ve))?',\n      rsOptContrUpper = '(?:' + rsApos + '(?:D|LL|M|RE|S|T|VE))?',\n      reOptMod = rsModifier + '?',\n      rsOptVar = '[' + rsVarRange + ']?',\n      rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',\n      rsOrdLower = '\\\\d*(?:1st|2nd|3rd|(?![123])\\\\dth)(?=\\\\b|[A-Z_])',\n      rsOrdUpper = '\\\\d*(?:1ST|2ND|3RD|(?![123])\\\\dTH)(?=\\\\b|[a-z_])',\n      rsSeq = rsOptVar + reOptMod + rsOptJoin,\n      rsEmoji = '(?:' + [rsDingbat, rsRegional, rsSurrPair].join('|') + ')' + rsSeq,\n      rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';\n\n  /** Used to match apostrophes. */\n  var reApos = RegExp(rsApos, 'g');\n\n  /**\n   * Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and\n   * [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols).\n   */\n  var reComboMark = RegExp(rsCombo, 'g');\n\n  /** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */\n  var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');\n\n  /** Used to match complex or compound words. */\n  var reUnicodeWord = RegExp([\n    rsUpper + '?' + rsLower + '+' + rsOptContrLower + '(?=' + [rsBreak, rsUpper, '$'].join('|') + ')',\n    rsMiscUpper + '+' + rsOptContrUpper + '(?=' + [rsBreak, rsUpper + rsMiscLower, '$'].join('|') + ')',\n    rsUpper + '?' + rsMiscLower + '+' + rsOptContrLower,\n    rsUpper + '+' + rsOptContrUpper,\n    rsOrdUpper,\n    rsOrdLower,\n    rsDigits,\n    rsEmoji\n  ].join('|'), 'g');\n\n  /** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */\n  var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange  + rsComboRange + rsVarRange + ']');\n\n  /** Used to detect strings that need a more robust regexp to match words. */\n  var reHasUnicodeWord = /[a-z][A-Z]|[A-Z]{2}[a-z]|[0-9][a-zA-Z]|[a-zA-Z][0-9]|[^a-zA-Z0-9 ]/;\n\n  /** Used to assign default `context` object properties. */\n  var contextProps = [\n    'Array', 'Buffer', 'DataView', 'Date', 'Error', 'Float32Array', 'Float64Array',\n    'Function', 'Int8Array', 'Int16Array', 'Int32Array', 'Map', 'Math', 'Object',\n    'Promise', 'RegExp', 'Set', 'String', 'Symbol', 'TypeError', 'Uint8Array',\n    'Uint8ClampedArray', 'Uint16Array', 'Uint32Array', 'WeakMap',\n    '_', 'clearTimeout', 'isFinite', 'parseInt', 'setTimeout'\n  ];\n\n  /** Used to make template sourceURLs easier to identify. */\n  var templateCounter = -1;\n\n  /** Used to identify `toStringTag` values of typed arrays. */\n  var typedArrayTags = {};\n  typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =\n  typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =\n  typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =\n  typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =\n  typedArrayTags[uint32Tag] = true;\n  typedArrayTags[argsTag] = typedArrayTags[arrayTag] =\n  typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =\n  typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =\n  typedArrayTags[errorTag] = typedArrayTags[funcTag] =\n  typedArrayTags[mapTag] = typedArrayTags[numberTag] =\n  typedArrayTags[objectTag] = typedArrayTags[regexpTag] =\n  typedArrayTags[setTag] = typedArrayTags[stringTag] =\n  typedArrayTags[weakMapTag] = false;\n\n  /** Used to identify `toStringTag` values supported by `_.clone`. */\n  var cloneableTags = {};\n  cloneableTags[argsTag] = cloneableTags[arrayTag] =\n  cloneableTags[arrayBufferTag] = cloneableTags[dataViewTag] =\n  cloneableTags[boolTag] = cloneableTags[dateTag] =\n  cloneableTags[float32Tag] = cloneableTags[float64Tag] =\n  cloneableTags[int8Tag] = cloneableTags[int16Tag] =\n  cloneableTags[int32Tag] = cloneableTags[mapTag] =\n  cloneableTags[numberTag] = cloneableTags[objectTag] =\n  cloneableTags[regexpTag] = cloneableTags[setTag] =\n  cloneableTags[stringTag] = cloneableTags[symbolTag] =\n  cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =\n  cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;\n  cloneableTags[errorTag] = cloneableTags[funcTag] =\n  cloneableTags[weakMapTag] = false;\n\n  /** Used to map Latin Unicode letters to basic Latin letters. */\n  var deburredLetters = {\n    // Latin-1 Supplement block.\n    '\\xc0': 'A',  '\\xc1': 'A', '\\xc2': 'A', '\\xc3': 'A', '\\xc4': 'A', '\\xc5': 'A',\n    '\\xe0': 'a',  '\\xe1': 'a', '\\xe2': 'a', '\\xe3': 'a', '\\xe4': 'a', '\\xe5': 'a',\n    '\\xc7': 'C',  '\\xe7': 'c',\n    '\\xd0': 'D',  '\\xf0': 'd',\n    '\\xc8': 'E',  '\\xc9': 'E', '\\xca': 'E', '\\xcb': 'E',\n    '\\xe8': 'e',  '\\xe9': 'e', '\\xea': 'e', '\\xeb': 'e',\n    '\\xcc': 'I',  '\\xcd': 'I', '\\xce': 'I', '\\xcf': 'I',\n    '\\xec': 'i',  '\\xed': 'i', '\\xee': 'i', '\\xef': 'i',\n    '\\xd1': 'N',  '\\xf1': 'n',\n    '\\xd2': 'O',  '\\xd3': 'O', '\\xd4': 'O', '\\xd5': 'O', '\\xd6': 'O', '\\xd8': 'O',\n    '\\xf2': 'o',  '\\xf3': 'o', '\\xf4': 'o', '\\xf5': 'o', '\\xf6': 'o', '\\xf8': 'o',\n    '\\xd9': 'U',  '\\xda': 'U', '\\xdb': 'U', '\\xdc': 'U',\n    '\\xf9': 'u',  '\\xfa': 'u', '\\xfb': 'u', '\\xfc': 'u',\n    '\\xdd': 'Y',  '\\xfd': 'y', '\\xff': 'y',\n    '\\xc6': 'Ae', '\\xe6': 'ae',\n    '\\xde': 'Th', '\\xfe': 'th',\n    '\\xdf': 'ss',\n    // Latin Extended-A block.\n    '\\u0100': 'A',  '\\u0102': 'A', '\\u0104': 'A',\n    '\\u0101': 'a',  '\\u0103': 'a', '\\u0105': 'a',\n    '\\u0106': 'C',  '\\u0108': 'C', '\\u010a': 'C', '\\u010c': 'C',\n    '\\u0107': 'c',  '\\u0109': 'c', '\\u010b': 'c', '\\u010d': 'c',\n    '\\u010e': 'D',  '\\u0110': 'D', '\\u010f': 'd', '\\u0111': 'd',\n    '\\u0112': 'E',  '\\u0114': 'E', '\\u0116': 'E', '\\u0118': 'E', '\\u011a': 'E',\n    '\\u0113': 'e',  '\\u0115': 'e', '\\u0117': 'e', '\\u0119': 'e', '\\u011b': 'e',\n    '\\u011c': 'G',  '\\u011e': 'G', '\\u0120': 'G', '\\u0122': 'G',\n    '\\u011d': 'g',  '\\u011f': 'g', '\\u0121': 'g', '\\u0123': 'g',\n    '\\u0124': 'H',  '\\u0126': 'H', '\\u0125': 'h', '\\u0127': 'h',\n    '\\u0128': 'I',  '\\u012a': 'I', '\\u012c': 'I', '\\u012e': 'I', '\\u0130': 'I',\n    '\\u0129': 'i',  '\\u012b': 'i', '\\u012d': 'i', '\\u012f': 'i', '\\u0131': 'i',\n    '\\u0134': 'J',  '\\u0135': 'j',\n    '\\u0136': 'K',  '\\u0137': 'k', '\\u0138': 'k',\n    '\\u0139': 'L',  '\\u013b': 'L', '\\u013d': 'L', '\\u013f': 'L', '\\u0141': 'L',\n    '\\u013a': 'l',  '\\u013c': 'l', '\\u013e': 'l', '\\u0140': 'l', '\\u0142': 'l',\n    '\\u0143': 'N',  '\\u0145': 'N', '\\u0147': 'N', '\\u014a': 'N',\n    '\\u0144': 'n',  '\\u0146': 'n', '\\u0148': 'n', '\\u014b': 'n',\n    '\\u014c': 'O',  '\\u014e': 'O', '\\u0150': 'O',\n    '\\u014d': 'o',  '\\u014f': 'o', '\\u0151': 'o',\n    '\\u0154': 'R',  '\\u0156': 'R', '\\u0158': 'R',\n    '\\u0155': 'r',  '\\u0157': 'r', '\\u0159': 'r',\n    '\\u015a': 'S',  '\\u015c': 'S', '\\u015e': 'S', '\\u0160': 'S',\n    '\\u015b': 's',  '\\u015d': 's', '\\u015f': 's', '\\u0161': 's',\n    '\\u0162': 'T',  '\\u0164': 'T', '\\u0166': 'T',\n    '\\u0163': 't',  '\\u0165': 't', '\\u0167': 't',\n    '\\u0168': 'U',  '\\u016a': 'U', '\\u016c': 'U', '\\u016e': 'U', '\\u0170': 'U', '\\u0172': 'U',\n    '\\u0169': 'u',  '\\u016b': 'u', '\\u016d': 'u', '\\u016f': 'u', '\\u0171': 'u', '\\u0173': 'u',\n    '\\u0174': 'W',  '\\u0175': 'w',\n    '\\u0176': 'Y',  '\\u0177': 'y', '\\u0178': 'Y',\n    '\\u0179': 'Z',  '\\u017b': 'Z', '\\u017d': 'Z',\n    '\\u017a': 'z',  '\\u017c': 'z', '\\u017e': 'z',\n    '\\u0132': 'IJ', '\\u0133': 'ij',\n    '\\u0152': 'Oe', '\\u0153': 'oe',\n    '\\u0149': \"'n\", '\\u017f': 's'\n  };\n\n  /** Used to map characters to HTML entities. */\n  var htmlEscapes = {\n    '&': '&amp;',\n    '<': '&lt;',\n    '>': '&gt;',\n    '\"': '&quot;',\n    \"'\": '&#39;'\n  };\n\n  /** Used to map HTML entities to characters. */\n  var htmlUnescapes = {\n    '&amp;': '&',\n    '&lt;': '<',\n    '&gt;': '>',\n    '&quot;': '\"',\n    '&#39;': \"'\"\n  };\n\n  /** Used to escape characters for inclusion in compiled string literals. */\n  var stringEscapes = {\n    '\\\\': '\\\\',\n    \"'\": \"'\",\n    '\\n': 'n',\n    '\\r': 'r',\n    '\\u2028': 'u2028',\n    '\\u2029': 'u2029'\n  };\n\n  /** Built-in method references without a dependency on `root`. */\n  var freeParseFloat = parseFloat,\n      freeParseInt = parseInt;\n\n  /** Detect free variable `global` from Node.js. */\n  var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;\n\n  /** Detect free variable `self`. */\n  var freeSelf = typeof self == 'object' && self && self.Object === Object && self;\n\n  /** Used as a reference to the global object. */\n  var root = freeGlobal || freeSelf || Function('return this')();\n\n  /** Detect free variable `exports`. */\n  var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;\n\n  /** Detect free variable `module`. */\n  var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;\n\n  /** Detect the popular CommonJS extension `module.exports`. */\n  var moduleExports = freeModule && freeModule.exports === freeExports;\n\n  /** Detect free variable `process` from Node.js. */\n  var freeProcess = moduleExports && freeGlobal.process;\n\n  /** Used to access faster Node.js helpers. */\n  var nodeUtil = (function() {\n    try {\n      // Use `util.types` for Node.js 10+.\n      var types = freeModule && freeModule.require && freeModule.require('util').types;\n\n      if (types) {\n        return types;\n      }\n\n      // Legacy `process.binding('util')` for Node.js < 10.\n      return freeProcess && freeProcess.binding && freeProcess.binding('util');\n    } catch (e) {}\n  }());\n\n  /* Node.js helper references. */\n  var nodeIsArrayBuffer = nodeUtil && nodeUtil.isArrayBuffer,\n      nodeIsDate = nodeUtil && nodeUtil.isDate,\n      nodeIsMap = nodeUtil && nodeUtil.isMap,\n      nodeIsRegExp = nodeUtil && nodeUtil.isRegExp,\n      nodeIsSet = nodeUtil && nodeUtil.isSet,\n      nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;\n\n  /*--------------------------------------------------------------------------*/\n\n  /**\n   * A faster alternative to `Function#apply`, this function invokes `func`\n   * with the `this` binding of `thisArg` and the arguments of `args`.\n   *\n   * @private\n   * @param {Function} func The function to invoke.\n   * @param {*} thisArg The `this` binding of `func`.\n   * @param {Array} args The arguments to invoke `func` with.\n   * @returns {*} Returns the result of `func`.\n   */\n  function apply(func, thisArg, args) {\n    switch (args.length) {\n      case 0: return func.call(thisArg);\n      case 1: return func.call(thisArg, args[0]);\n      case 2: return func.call(thisArg, args[0], args[1]);\n      case 3: return func.call(thisArg, args[0], args[1], args[2]);\n    }\n    return func.apply(thisArg, args);\n  }\n\n  /**\n   * A specialized version of `baseAggregator` for arrays.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} setter The function to set `accumulator` values.\n   * @param {Function} iteratee The iteratee to transform keys.\n   * @param {Object} accumulator The initial aggregated object.\n   * @returns {Function} Returns `accumulator`.\n   */\n  function arrayAggregator(array, setter, iteratee, accumulator) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      var value = array[index];\n      setter(accumulator, value, iteratee(value), array);\n    }\n    return accumulator;\n  }\n\n  /**\n   * A specialized version of `_.forEach` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns `array`.\n   */\n  function arrayEach(array, iteratee) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      if (iteratee(array[index], index, array) === false) {\n        break;\n      }\n    }\n    return array;\n  }\n\n  /**\n   * A specialized version of `_.forEachRight` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns `array`.\n   */\n  function arrayEachRight(array, iteratee) {\n    var length = array == null ? 0 : array.length;\n\n    while (length--) {\n      if (iteratee(array[length], length, array) === false) {\n        break;\n      }\n    }\n    return array;\n  }\n\n  /**\n   * A specialized version of `_.every` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} predicate The function invoked per iteration.\n   * @returns {boolean} Returns `true` if all elements pass the predicate check,\n   *  else `false`.\n   */\n  function arrayEvery(array, predicate) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      if (!predicate(array[index], index, array)) {\n        return false;\n      }\n    }\n    return true;\n  }\n\n  /**\n   * A specialized version of `_.filter` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} predicate The function invoked per iteration.\n   * @returns {Array} Returns the new filtered array.\n   */\n  function arrayFilter(array, predicate) {\n    var index = -1,\n        length = array == null ? 0 : array.length,\n        resIndex = 0,\n        result = [];\n\n    while (++index < length) {\n      var value = array[index];\n      if (predicate(value, index, array)) {\n        result[resIndex++] = value;\n      }\n    }\n    return result;\n  }\n\n  /**\n   * A specialized version of `_.includes` for arrays without support for\n   * specifying an index to search from.\n   *\n   * @private\n   * @param {Array} [array] The array to inspect.\n   * @param {*} target The value to search for.\n   * @returns {boolean} Returns `true` if `target` is found, else `false`.\n   */\n  function arrayIncludes(array, value) {\n    var length = array == null ? 0 : array.length;\n    return !!length && baseIndexOf(array, value, 0) > -1;\n  }\n\n  /**\n   * This function is like `arrayIncludes` except that it accepts a comparator.\n   *\n   * @private\n   * @param {Array} [array] The array to inspect.\n   * @param {*} target The value to search for.\n   * @param {Function} comparator The comparator invoked per element.\n   * @returns {boolean} Returns `true` if `target` is found, else `false`.\n   */\n  function arrayIncludesWith(array, value, comparator) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      if (comparator(value, array[index])) {\n        return true;\n      }\n    }\n    return false;\n  }\n\n  /**\n   * A specialized version of `_.map` for arrays without support for iteratee\n   * shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns the new mapped array.\n   */\n  function arrayMap(array, iteratee) {\n    var index = -1,\n        length = array == null ? 0 : array.length,\n        result = Array(length);\n\n    while (++index < length) {\n      result[index] = iteratee(array[index], index, array);\n    }\n    return result;\n  }\n\n  /**\n   * Appends the elements of `values` to `array`.\n   *\n   * @private\n   * @param {Array} array The array to modify.\n   * @param {Array} values The values to append.\n   * @returns {Array} Returns `array`.\n   */\n  function arrayPush(array, values) {\n    var index = -1,\n        length = values.length,\n        offset = array.length;\n\n    while (++index < length) {\n      array[offset + index] = values[index];\n    }\n    return array;\n  }\n\n  /**\n   * A specialized version of `_.reduce` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @param {*} [accumulator] The initial value.\n   * @param {boolean} [initAccum] Specify using the first element of `array` as\n   *  the initial value.\n   * @returns {*} Returns the accumulated value.\n   */\n  function arrayReduce(array, iteratee, accumulator, initAccum) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    if (initAccum && length) {\n      accumulator = array[++index];\n    }\n    while (++index < length) {\n      accumulator = iteratee(accumulator, array[index], index, array);\n    }\n    return accumulator;\n  }\n\n  /**\n   * A specialized version of `_.reduceRight` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @param {*} [accumulator] The initial value.\n   * @param {boolean} [initAccum] Specify using the last element of `array` as\n   *  the initial value.\n   * @returns {*} Returns the accumulated value.\n   */\n  function arrayReduceRight(array, iteratee, accumulator, initAccum) {\n    var length = array == null ? 0 : array.length;\n    if (initAccum && length) {\n      accumulator = array[--length];\n    }\n    while (length--) {\n      accumulator = iteratee(accumulator, array[length], length, array);\n    }\n    return accumulator;\n  }\n\n  /**\n   * A specialized version of `_.some` for arrays without support for iteratee\n   * shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} predicate The function invoked per iteration.\n   * @returns {boolean} Returns `true` if any element passes the predicate check,\n   *  else `false`.\n   */\n  function arraySome(array, predicate) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      if (predicate(array[index], index, array)) {\n        return true;\n      }\n    }\n    return false;\n  }\n\n  /**\n   * Gets the size of an ASCII `string`.\n   *\n   * @private\n   * @param {string} string The string inspect.\n   * @returns {number} Returns the string size.\n   */\n  var asciiSize = baseProperty('length');\n\n  /**\n   * Converts an ASCII `string` to an array.\n   *\n   * @private\n   * @param {string} string The string to convert.\n   * @returns {Array} Returns the converted array.\n   */\n  function asciiToArray(string) {\n    return string.split('');\n  }\n\n  /**\n   * Splits an ASCII `string` into an array of its words.\n   *\n   * @private\n   * @param {string} The string to inspect.\n   * @returns {Array} Returns the words of `string`.\n   */\n  function asciiWords(string) {\n    return string.match(reAsciiWord) || [];\n  }\n\n  /**\n   * The base implementation of methods like `_.findKey` and `_.findLastKey`,\n   * without support for iteratee shorthands, which iterates over `collection`\n   * using `eachFunc`.\n   *\n   * @private\n   * @param {Array|Object} collection The collection to inspect.\n   * @param {Function} predicate The function invoked per iteration.\n   * @param {Function} eachFunc The function to iterate over `collection`.\n   * @returns {*} Returns the found element or its key, else `undefined`.\n   */\n  function baseFindKey(collection, predicate, eachFunc) {\n    var result;\n    eachFunc(collection, function(value, key, collection) {\n      if (predicate(value, key, collection)) {\n        result = key;\n        return false;\n      }\n    });\n    return result;\n  }\n\n  /**\n   * The base implementation of `_.findIndex` and `_.findLastIndex` without\n   * support for iteratee shorthands.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {Function} predicate The function invoked per iteration.\n   * @param {number} fromIndex The index to search from.\n   * @param {boolean} [fromRight] Specify iterating from right to left.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function baseFindIndex(array, predicate, fromIndex, fromRight) {\n    var length = array.length,\n        index = fromIndex + (fromRight ? 1 : -1);\n\n    while ((fromRight ? index-- : ++index < length)) {\n      if (predicate(array[index], index, array)) {\n        return index;\n      }\n    }\n    return -1;\n  }\n\n  /**\n   * The base implementation of `_.indexOf` without `fromIndex` bounds checks.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function baseIndexOf(array, value, fromIndex) {\n    return value === value\n      ? strictIndexOf(array, value, fromIndex)\n      : baseFindIndex(array, baseIsNaN, fromIndex);\n  }\n\n  /**\n   * This function is like `baseIndexOf` except that it accepts a comparator.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @param {Function} comparator The comparator invoked per element.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function baseIndexOfWith(array, value, fromIndex, comparator) {\n    var index = fromIndex - 1,\n        length = array.length;\n\n    while (++index < length) {\n      if (comparator(array[index], value)) {\n        return index;\n      }\n    }\n    return -1;\n  }\n\n  /**\n   * The base implementation of `_.isNaN` without support for number objects.\n   *\n   * @private\n   * @param {*} value The value to check.\n   * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n   */\n  function baseIsNaN(value) {\n    return value !== value;\n  }\n\n  /**\n   * The base implementation of `_.mean` and `_.meanBy` without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} array The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {number} Returns the mean.\n   */\n  function baseMean(array, iteratee) {\n    var length = array == null ? 0 : array.length;\n    return length ? (baseSum(array, iteratee) / length) : NAN;\n  }\n\n  /**\n   * The base implementation of `_.property` without support for deep paths.\n   *\n   * @private\n   * @param {string} key The key of the property to get.\n   * @returns {Function} Returns the new accessor function.\n   */\n  function baseProperty(key) {\n    return function(object) {\n      return object == null ? undefined : object[key];\n    };\n  }\n\n  /**\n   * The base implementation of `_.propertyOf` without support for deep paths.\n   *\n   * @private\n   * @param {Object} object The object to query.\n   * @returns {Function} Returns the new accessor function.\n   */\n  function basePropertyOf(object) {\n    return function(key) {\n      return object == null ? undefined : object[key];\n    };\n  }\n\n  /**\n   * The base implementation of `_.reduce` and `_.reduceRight`, without support\n   * for iteratee shorthands, which iterates over `collection` using `eachFunc`.\n   *\n   * @private\n   * @param {Array|Object} collection The collection to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @param {*} accumulator The initial value.\n   * @param {boolean} initAccum Specify using the first or last element of\n   *  `collection` as the initial value.\n   * @param {Function} eachFunc The function to iterate over `collection`.\n   * @returns {*} Returns the accumulated value.\n   */\n  function baseReduce(collection, iteratee, accumulator, initAccum, eachFunc) {\n    eachFunc(collection, function(value, index, collection) {\n      accumulator = initAccum\n        ? (initAccum = false, value)\n        : iteratee(accumulator, value, index, collection);\n    });\n    return accumulator;\n  }\n\n  /**\n   * The base implementation of `_.sortBy` which uses `comparer` to define the\n   * sort order of `array` and replaces criteria objects with their corresponding\n   * values.\n   *\n   * @private\n   * @param {Array} array The array to sort.\n   * @param {Function} comparer The function to define sort order.\n   * @returns {Array} Returns `array`.\n   */\n  function baseSortBy(array, comparer) {\n    var length = array.length;\n\n    array.sort(comparer);\n    while (length--) {\n      array[length] = array[length].value;\n    }\n    return array;\n  }\n\n  /**\n   * The base implementation of `_.sum` and `_.sumBy` without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} array The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {number} Returns the sum.\n   */\n  function baseSum(array, iteratee) {\n    var result,\n        index = -1,\n        length = array.length;\n\n    while (++index < length) {\n      var current = iteratee(array[index]);\n      if (current !== undefined) {\n        result = result === undefined ? current : (result + current);\n      }\n    }\n    return result;\n  }\n\n  /**\n   * The base implementation of `_.times` without support for iteratee shorthands\n   * or max array length checks.\n   *\n   * @private\n   * @param {number} n The number of times to invoke `iteratee`.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns the array of results.\n   */\n  function baseTimes(n, iteratee) {\n    var index = -1,\n        result = Array(n);\n\n    while (++index < n) {\n      result[index] = iteratee(index);\n    }\n    return result;\n  }\n\n  /**\n   * The base implementation of `_.toPairs` and `_.toPairsIn` which creates an array\n   * of key-value pairs for `object` corresponding to the property names of `props`.\n   *\n   * @private\n   * @param {Object} object The object to query.\n   * @param {Array} props The property names to get values for.\n   * @returns {Object} Returns the key-value pairs.\n   */\n  function baseToPairs(object, props) {\n    return arrayMap(props, function(key) {\n      return [key, object[key]];\n    });\n  }\n\n  /**\n   * The base implementation of `_.unary` without support for storing metadata.\n   *\n   * @private\n   * @param {Function} func The function to cap arguments for.\n   * @returns {Function} Returns the new capped function.\n   */\n  function baseUnary(func) {\n    return function(value) {\n      return func(value);\n    };\n  }\n\n  /**\n   * The base implementation of `_.values` and `_.valuesIn` which creates an\n   * array of `object` property values corresponding to the property names\n   * of `props`.\n   *\n   * @private\n   * @param {Object} object The object to query.\n   * @param {Array} props The property names to get values for.\n   * @returns {Object} Returns the array of property values.\n   */\n  function baseValues(object, props) {\n    return arrayMap(props, function(key) {\n      return object[key];\n    });\n  }\n\n  /**\n   * Checks if a `cache` value for `key` exists.\n   *\n   * @private\n   * @param {Object} cache The cache to query.\n   * @param {string} key The key of the entry to check.\n   * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n   */\n  function cacheHas(cache, key) {\n    return cache.has(key);\n  }\n\n  /**\n   * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol\n   * that is not found in the character symbols.\n   *\n   * @private\n   * @param {Array} strSymbols The string symbols to inspect.\n   * @param {Array} chrSymbols The character symbols to find.\n   * @returns {number} Returns the index of the first unmatched string symbol.\n   */\n  function charsStartIndex(strSymbols, chrSymbols) {\n    var index = -1,\n        length = strSymbols.length;\n\n    while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n    return index;\n  }\n\n  /**\n   * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol\n   * that is not found in the character symbols.\n   *\n   * @private\n   * @param {Array} strSymbols The string symbols to inspect.\n   * @param {Array} chrSymbols The character symbols to find.\n   * @returns {number} Returns the index of the last unmatched string symbol.\n   */\n  function charsEndIndex(strSymbols, chrSymbols) {\n    var index = strSymbols.length;\n\n    while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n    return index;\n  }\n\n  /**\n   * Gets the number of `placeholder` occurrences in `array`.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} placeholder The placeholder to search for.\n   * @returns {number} Returns the placeholder count.\n   */\n  function countHolders(array, placeholder) {\n    var length = array.length,\n        result = 0;\n\n    while (length--) {\n      if (array[length] === placeholder) {\n        ++result;\n      }\n    }\n    return result;\n  }\n\n  /**\n   * Used by `_.deburr` to convert Latin-1 Supplement and Latin Extended-A\n   * letters to basic Latin letters.\n   *\n   * @private\n   * @param {string} letter The matched letter to deburr.\n   * @returns {string} Returns the deburred letter.\n   */\n  var deburrLetter = basePropertyOf(deburredLetters);\n\n  /**\n   * Used by `_.escape` to convert characters to HTML entities.\n   *\n   * @private\n   * @param {string} chr The matched character to escape.\n   * @returns {string} Returns the escaped character.\n   */\n  var escapeHtmlChar = basePropertyOf(htmlEscapes);\n\n  /**\n   * Used by `_.template` to escape characters for inclusion in compiled string literals.\n   *\n   * @private\n   * @param {string} chr The matched character to escape.\n   * @returns {string} Returns the escaped character.\n   */\n  function escapeStringChar(chr) {\n    return '\\\\' + stringEscapes[chr];\n  }\n\n  /**\n   * Gets the value at `key` of `object`.\n   *\n   * @private\n   * @param {Object} [object] The object to query.\n   * @param {string} key The key of the property to get.\n   * @returns {*} Returns the property value.\n   */\n  function getValue(object, key) {\n    return object == null ? undefined : object[key];\n  }\n\n  /**\n   * Checks if `string` contains Unicode symbols.\n   *\n   * @private\n   * @param {string} string The string to inspect.\n   * @returns {boolean} Returns `true` if a symbol is found, else `false`.\n   */\n  function hasUnicode(string) {\n    return reHasUnicode.test(string);\n  }\n\n  /**\n   * Checks if `string` contains a word composed of Unicode symbols.\n   *\n   * @private\n   * @param {string} string The string to inspect.\n   * @returns {boolean} Returns `true` if a word is found, else `false`.\n   */\n  function hasUnicodeWord(string) {\n    return reHasUnicodeWord.test(string);\n  }\n\n  /**\n   * Converts `iterator` to an array.\n   *\n   * @private\n   * @param {Object} iterator The iterator to convert.\n   * @returns {Array} Returns the converted array.\n   */\n  function iteratorToArray(iterator) {\n    var data,\n        result = [];\n\n    while (!(data = iterator.next()).done) {\n      result.push(data.value);\n    }\n    return result;\n  }\n\n  /**\n   * Converts `map` to its key-value pairs.\n   *\n   * @private\n   * @param {Object} map The map to convert.\n   * @returns {Array} Returns the key-value pairs.\n   */\n  function mapToArray(map) {\n    var index = -1,\n        result = Array(map.size);\n\n    map.forEach(function(value, key) {\n      result[++index] = [key, value];\n    });\n    return result;\n  }\n\n  /**\n   * Creates a unary function that invokes `func` with its argument transformed.\n   *\n   * @private\n   * @param {Function} func The function to wrap.\n   * @param {Function} transform The argument transform.\n   * @returns {Function} Returns the new function.\n   */\n  function overArg(func, transform) {\n    return function(arg) {\n      return func(transform(arg));\n    };\n  }\n\n  /**\n   * Replaces all `placeholder` elements in `array` with an internal placeholder\n   * and returns an array of their indexes.\n   *\n   * @private\n   * @param {Array} array The array to modify.\n   * @param {*} placeholder The placeholder to replace.\n   * @returns {Array} Returns the new array of placeholder indexes.\n   */\n  function replaceHolders(array, placeholder) {\n    var index = -1,\n        length = array.length,\n        resIndex = 0,\n        result = [];\n\n    while (++index < length) {\n      var value = array[index];\n      if (value === placeholder || value === PLACEHOLDER) {\n        array[index] = PLACEHOLDER;\n        result[resIndex++] = index;\n      }\n    }\n    return result;\n  }\n\n  /**\n   * Converts `set` to an array of its values.\n   *\n   * @private\n   * @param {Object} set The set to convert.\n   * @returns {Array} Returns the values.\n   */\n  function setToArray(set) {\n    var index = -1,\n        result = Array(set.size);\n\n    set.forEach(function(value) {\n      result[++index] = value;\n    });\n    return result;\n  }\n\n  /**\n   * Converts `set` to its value-value pairs.\n   *\n   * @private\n   * @param {Object} set The set to convert.\n   * @returns {Array} Returns the value-value pairs.\n   */\n  function setToPairs(set) {\n    var index = -1,\n        result = Array(set.size);\n\n    set.forEach(function(value) {\n      result[++index] = [value, value];\n    });\n    return result;\n  }\n\n  /**\n   * A specialized version of `_.indexOf` which performs strict equality\n   * comparisons of values, i.e. `===`.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function strictIndexOf(array, value, fromIndex) {\n    var index = fromIndex - 1,\n        length = array.length;\n\n    while (++index < length) {\n      if (array[index] === value) {\n        return index;\n      }\n    }\n    return -1;\n  }\n\n  /**\n   * A specialized version of `_.lastIndexOf` which performs strict equality\n   * comparisons of values, i.e. `===`.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function strictLastIndexOf(array, value, fromIndex) {\n    var index = fromIndex + 1;\n    while (index--) {\n      if (array[index] === value) {\n        return index;\n      }\n    }\n    return index;\n  }\n\n  /**\n   * Gets the number of symbols in `string`.\n   *\n   * @private\n   * @param {string} string The string to inspect.\n   * @returns {number} Returns the string size.\n   */\n  function stringSize(string) {\n    return hasUnicode(string)\n      ? unicodeSize(string)\n      : asciiSize(string);\n  }\n\n  /**\n   * Converts `string` to an array.\n   *\n   * @private\n   * @param {string} string The string to convert.\n   * @returns {Array} Returns the converted array.\n   */\n  function stringToArray(string) {\n    return hasUnicode(string)\n      ? unicodeToArray(string)\n      : asciiToArray(string);\n  }\n\n  /**\n   * Used by `_.unescape` to convert HTML entities to characters.\n   *\n   * @private\n   * @param {string} chr The matched character to unescape.\n   * @returns {string} Returns the unescaped character.\n   */\n  var unescapeHtmlChar = basePropertyOf(htmlUnescapes);\n\n  /**\n   * Gets the size of a Unicode `string`.\n   *\n   * @private\n   * @param {string} string The string inspect.\n   * @returns {number} Returns the string size.\n   */\n  function unicodeSize(string) {\n    var result = reUnicode.lastIndex = 0;\n    while (reUnicode.test(string)) {\n      ++result;\n    }\n    return result;\n  }\n\n  /**\n   * Converts a Unicode `string` to an array.\n   *\n   * @private\n   * @param {string} string The string to convert.\n   * @returns {Array} Returns the converted array.\n   */\n  function unicodeToArray(string) {\n    return string.match(reUnicode) || [];\n  }\n\n  /**\n   * Splits a Unicode `string` into an array of its words.\n   *\n   * @private\n   * @param {string} The string to inspect.\n   * @returns {Array} Returns the words of `string`.\n   */\n  function unicodeWords(string) {\n    return string.match(reUnicodeWord) || [];\n  }\n\n  /*--------------------------------------------------------------------------*/\n\n  /**\n   * Create a new pristine `lodash` function using the `context` object.\n   *\n   * @static\n   * @memberOf _\n   * @since 1.1.0\n   * @category Util\n   * @param {Object} [context=root] The context object.\n   * @returns {Function} Returns a new `lodash` function.\n   * @example\n   *\n   * _.mixin({ 'foo': _.constant('foo') });\n   *\n   * var lodash = _.runInContext();\n   * lodash.mixin({ 'bar': lodash.constant('bar') });\n   *\n   * _.isFunction(_.foo);\n   * // => true\n   * _.isFunction(_.bar);\n   * // => false\n   *\n   * lodash.isFunction(lodash.foo);\n   * // => false\n   * lodash.isFunction(lodash.bar);\n   * // => true\n   *\n   * // Create a suped-up `defer` in Node.js.\n   * var defer = _.runInContext({ 'setTimeout': setImmediate }).defer;\n   */\n  var runInContext = (function runInContext(context) {\n    context = context == null ? root : _.defaults(root.Object(), context, _.pick(root, contextProps));\n\n    /** Built-in constructor references. */\n    var Array = context.Array,\n        Date = context.Date,\n        Error = context.Error,\n        Function = context.Function,\n        Math = context.Math,\n        Object = context.Object,\n        RegExp = context.RegExp,\n        String = context.String,\n        TypeError = context.TypeError;\n\n    /** Used for built-in method references. */\n    var arrayProto = Array.prototype,\n        funcProto = Function.prototype,\n        objectProto = Object.prototype;\n\n    /** Used to detect overreaching core-js shims. */\n    var coreJsData = context['__core-js_shared__'];\n\n    /** Used to resolve the decompiled source of functions. */\n    var funcToString = funcProto.toString;\n\n    /** Used to check objects for own properties. */\n    var hasOwnProperty = objectProto.hasOwnProperty;\n\n    /** Used to generate unique IDs. */\n    var idCounter = 0;\n\n    /** Used to detect methods masquerading as native. */\n    var maskSrcKey = (function() {\n      var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');\n      return uid ? ('Symbol(src)_1.' + uid) : '';\n    }());\n\n    /**\n     * Used to resolve the\n     * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n     * of values.\n     */\n    var nativeObjectToString = objectProto.toString;\n\n    /** Used to infer the `Object` constructor. */\n    var objectCtorString = funcToString.call(Object);\n\n    /** Used to restore the original `_` reference in `_.noConflict`. */\n    var oldDash = root._;\n\n    /** Used to detect if a method is native. */\n    var reIsNative = RegExp('^' +\n      funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\\\$&')\n      .replace(/hasOwnProperty|(function).*?(?=\\\\\\()| for .+?(?=\\\\\\])/g, '$1.*?') + '$'\n    );\n\n    /** Built-in value references. */\n    var Buffer = moduleExports ? context.Buffer : undefined,\n        Symbol = context.Symbol,\n        Uint8Array = context.Uint8Array,\n        allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined,\n        getPrototype = overArg(Object.getPrototypeOf, Object),\n        objectCreate = Object.create,\n        propertyIsEnumerable = objectProto.propertyIsEnumerable,\n        splice = arrayProto.splice,\n        spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined,\n        symIterator = Symbol ? Symbol.iterator : undefined,\n        symToStringTag = Symbol ? Symbol.toStringTag : undefined;\n\n    var defineProperty = (function() {\n      try {\n        var func = getNative(Object, 'defineProperty');\n        func({}, '', {});\n        return func;\n      } catch (e) {}\n    }());\n\n    /** Mocked built-ins. */\n    var ctxClearTimeout = context.clearTimeout !== root.clearTimeout && context.clearTimeout,\n        ctxNow = Date && Date.now !== root.Date.now && Date.now,\n        ctxSetTimeout = context.setTimeout !== root.setTimeout && context.setTimeout;\n\n    /* Built-in method references for those with the same name as other `lodash` methods. */\n    var nativeCeil = Math.ceil,\n        nativeFloor = Math.floor,\n        nativeGetSymbols = Object.getOwnPropertySymbols,\n        nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined,\n        nativeIsFinite = context.isFinite,\n        nativeJoin = arrayProto.join,\n        nativeKeys = overArg(Object.keys, Object),\n        nativeMax = Math.max,\n        nativeMin = Math.min,\n        nativeNow = Date.now,\n        nativeParseInt = context.parseInt,\n        nativeRandom = Math.random,\n        nativeReverse = arrayProto.reverse;\n\n    /* Built-in method references that are verified to be native. */\n    var DataView = getNative(context, 'DataView'),\n        Map = getNative(context, 'Map'),\n        Promise = getNative(context, 'Promise'),\n        Set = getNative(context, 'Set'),\n        WeakMap = getNative(context, 'WeakMap'),\n        nativeCreate = getNative(Object, 'create');\n\n    /** Used to store function metadata. */\n    var metaMap = WeakMap && new WeakMap;\n\n    /** Used to lookup unminified function names. */\n    var realNames = {};\n\n    /** Used to detect maps, sets, and weakmaps. */\n    var dataViewCtorString = toSource(DataView),\n        mapCtorString = toSource(Map),\n        promiseCtorString = toSource(Promise),\n        setCtorString = toSource(Set),\n        weakMapCtorString = toSource(WeakMap);\n\n    /** Used to convert symbols to primitives and strings. */\n    var symbolProto = Symbol ? Symbol.prototype : undefined,\n        symbolValueOf = symbolProto ? symbolProto.valueOf : undefined,\n        symbolToString = symbolProto ? symbolProto.toString : undefined;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a `lodash` object which wraps `value` to enable implicit method\n     * chain sequences. Methods that operate on and return arrays, collections,\n     * and functions can be chained together. Methods that retrieve a single value\n     * or may return a primitive value will automatically end the chain sequence\n     * and return the unwrapped value. Otherwise, the value must be unwrapped\n     * with `_#value`.\n     *\n     * Explicit chain sequences, which must be unwrapped with `_#value`, may be\n     * enabled using `_.chain`.\n     *\n     * The execution of chained methods is lazy, that is, it's deferred until\n     * `_#value` is implicitly or explicitly called.\n     *\n     * Lazy evaluation allows several methods to support shortcut fusion.\n     * Shortcut fusion is an optimization to merge iteratee calls; this avoids\n     * the creation of intermediate arrays and can greatly reduce the number of\n     * iteratee executions. Sections of a chain sequence qualify for shortcut\n     * fusion if the section is applied to an array and iteratees accept only\n     * one argument. The heuristic for whether a section qualifies for shortcut\n     * fusion is subject to change.\n     *\n     * Chaining is supported in custom builds as long as the `_#value` method is\n     * directly or indirectly included in the build.\n     *\n     * In addition to lodash methods, wrappers have `Array` and `String` methods.\n     *\n     * The wrapper `Array` methods are:\n     * `concat`, `join`, `pop`, `push`, `shift`, `sort`, `splice`, and `unshift`\n     *\n     * The wrapper `String` methods are:\n     * `replace` and `split`\n     *\n     * The wrapper methods that support shortcut fusion are:\n     * `at`, `compact`, `drop`, `dropRight`, `dropWhile`, `filter`, `find`,\n     * `findLast`, `head`, `initial`, `last`, `map`, `reject`, `reverse`, `slice`,\n     * `tail`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, and `toArray`\n     *\n     * The chainable wrapper methods are:\n     * `after`, `ary`, `assign`, `assignIn`, `assignInWith`, `assignWith`, `at`,\n     * `before`, `bind`, `bindAll`, `bindKey`, `castArray`, `chain`, `chunk`,\n     * `commit`, `compact`, `concat`, `conforms`, `constant`, `countBy`, `create`,\n     * `curry`, `debounce`, `defaults`, `defaultsDeep`, `defer`, `delay`,\n     * `difference`, `differenceBy`, `differenceWith`, `drop`, `dropRight`,\n     * `dropRightWhile`, `dropWhile`, `extend`, `extendWith`, `fill`, `filter`,\n     * `flatMap`, `flatMapDeep`, `flatMapDepth`, `flatten`, `flattenDeep`,\n     * `flattenDepth`, `flip`, `flow`, `flowRight`, `fromPairs`, `functions`,\n     * `functionsIn`, `groupBy`, `initial`, `intersection`, `intersectionBy`,\n     * `intersectionWith`, `invert`, `invertBy`, `invokeMap`, `iteratee`, `keyBy`,\n     * `keys`, `keysIn`, `map`, `mapKeys`, `mapValues`, `matches`, `matchesProperty`,\n     * `memoize`, `merge`, `mergeWith`, `method`, `methodOf`, `mixin`, `negate`,\n     * `nthArg`, `omit`, `omitBy`, `once`, `orderBy`, `over`, `overArgs`,\n     * `overEvery`, `overSome`, `partial`, `partialRight`, `partition`, `pick`,\n     * `pickBy`, `plant`, `property`, `propertyOf`, `pull`, `pullAll`, `pullAllBy`,\n     * `pullAllWith`, `pullAt`, `push`, `range`, `rangeRight`, `rearg`, `reject`,\n     * `remove`, `rest`, `reverse`, `sampleSize`, `set`, `setWith`, `shuffle`,\n     * `slice`, `sort`, `sortBy`, `splice`, `spread`, `tail`, `take`, `takeRight`,\n     * `takeRightWhile`, `takeWhile`, `tap`, `throttle`, `thru`, `toArray`,\n     * `toPairs`, `toPairsIn`, `toPath`, `toPlainObject`, `transform`, `unary`,\n     * `union`, `unionBy`, `unionWith`, `uniq`, `uniqBy`, `uniqWith`, `unset`,\n     * `unshift`, `unzip`, `unzipWith`, `update`, `updateWith`, `values`,\n     * `valuesIn`, `without`, `wrap`, `xor`, `xorBy`, `xorWith`, `zip`,\n     * `zipObject`, `zipObjectDeep`, and `zipWith`\n     *\n     * The wrapper methods that are **not** chainable by default are:\n     * `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clamp`, `clone`,\n     * `cloneDeep`, `cloneDeepWith`, `cloneWith`, `conformsTo`, `deburr`,\n     * `defaultTo`, `divide`, `each`, `eachRight`, `endsWith`, `eq`, `escape`,\n     * `escapeRegExp`, `every`, `find`, `findIndex`, `findKey`, `findLast`,\n     * `findLastIndex`, `findLastKey`, `first`, `floor`, `forEach`, `forEachRight`,\n     * `forIn`, `forInRight`, `forOwn`, `forOwnRight`, `get`, `gt`, `gte`, `has`,\n     * `hasIn`, `head`, `identity`, `includes`, `indexOf`, `inRange`, `invoke`,\n     * `isArguments`, `isArray`, `isArrayBuffer`, `isArrayLike`, `isArrayLikeObject`,\n     * `isBoolean`, `isBuffer`, `isDate`, `isElement`, `isEmpty`, `isEqual`,\n     * `isEqualWith`, `isError`, `isFinite`, `isFunction`, `isInteger`, `isLength`,\n     * `isMap`, `isMatch`, `isMatchWith`, `isNaN`, `isNative`, `isNil`, `isNull`,\n     * `isNumber`, `isObject`, `isObjectLike`, `isPlainObject`, `isRegExp`,\n     * `isSafeInteger`, `isSet`, `isString`, `isUndefined`, `isTypedArray`,\n     * `isWeakMap`, `isWeakSet`, `join`, `kebabCase`, `last`, `lastIndexOf`,\n     * `lowerCase`, `lowerFirst`, `lt`, `lte`, `max`, `maxBy`, `mean`, `meanBy`,\n     * `min`, `minBy`, `multiply`, `noConflict`, `noop`, `now`, `nth`, `pad`,\n     * `padEnd`, `padStart`, `parseInt`, `pop`, `random`, `reduce`, `reduceRight`,\n     * `repeat`, `result`, `round`, `runInContext`, `sample`, `shift`, `size`,\n     * `snakeCase`, `some`, `sortedIndex`, `sortedIndexBy`, `sortedLastIndex`,\n     * `sortedLastIndexBy`, `startCase`, `startsWith`, `stubArray`, `stubFalse`,\n     * `stubObject`, `stubString`, `stubTrue`, `subtract`, `sum`, `sumBy`,\n     * `template`, `times`, `toFinite`, `toInteger`, `toJSON`, `toLength`,\n     * `toLower`, `toNumber`, `toSafeInteger`, `toString`, `toUpper`, `trim`,\n     * `trimEnd`, `trimStart`, `truncate`, `unescape`, `uniqueId`, `upperCase`,\n     * `upperFirst`, `value`, and `words`\n     *\n     * @name _\n     * @constructor\n     * @category Seq\n     * @param {*} value The value to wrap in a `lodash` instance.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var wrapped = _([1, 2, 3]);\n     *\n     * // Returns an unwrapped value.\n     * wrapped.reduce(_.add);\n     * // => 6\n     *\n     * // Returns a wrapped value.\n     * var squares = wrapped.map(square);\n     *\n     * _.isArray(squares);\n     * // => false\n     *\n     * _.isArray(squares.value());\n     * // => true\n     */\n    function lodash(value) {\n      if (isObjectLike(value) && !isArray(value) && !(value instanceof LazyWrapper)) {\n        if (value instanceof LodashWrapper) {\n          return value;\n        }\n        if (hasOwnProperty.call(value, '__wrapped__')) {\n          return wrapperClone(value);\n        }\n      }\n      return new LodashWrapper(value);\n    }\n\n    /**\n     * The base implementation of `_.create` without support for assigning\n     * properties to the created object.\n     *\n     * @private\n     * @param {Object} proto The object to inherit from.\n     * @returns {Object} Returns the new object.\n     */\n    var baseCreate = (function() {\n      function object() {}\n      return function(proto) {\n        if (!isObject(proto)) {\n          return {};\n        }\n        if (objectCreate) {\n          return objectCreate(proto);\n        }\n        object.prototype = proto;\n        var result = new object;\n        object.prototype = undefined;\n        return result;\n      };\n    }());\n\n    /**\n     * The function whose prototype chain sequence wrappers inherit from.\n     *\n     * @private\n     */\n    function baseLodash() {\n      // No operation performed.\n    }\n\n    /**\n     * The base constructor for creating `lodash` wrapper objects.\n     *\n     * @private\n     * @param {*} value The value to wrap.\n     * @param {boolean} [chainAll] Enable explicit method chain sequences.\n     */\n    function LodashWrapper(value, chainAll) {\n      this.__wrapped__ = value;\n      this.__actions__ = [];\n      this.__chain__ = !!chainAll;\n      this.__index__ = 0;\n      this.__values__ = undefined;\n    }\n\n    /**\n     * By default, the template delimiters used by lodash are like those in\n     * embedded Ruby (ERB) as well as ES2015 template strings. Change the\n     * following template settings to use alternative delimiters.\n     *\n     * @static\n     * @memberOf _\n     * @type {Object}\n     */\n    lodash.templateSettings = {\n\n      /**\n       * Used to detect `data` property values to be HTML-escaped.\n       *\n       * @memberOf _.templateSettings\n       * @type {RegExp}\n       */\n      'escape': reEscape,\n\n      /**\n       * Used to detect code to be evaluated.\n       *\n       * @memberOf _.templateSettings\n       * @type {RegExp}\n       */\n      'evaluate': reEvaluate,\n\n      /**\n       * Used to detect `data` property values to inject.\n       *\n       * @memberOf _.templateSettings\n       * @type {RegExp}\n       */\n      'interpolate': reInterpolate,\n\n      /**\n       * Used to reference the data object in the template text.\n       *\n       * @memberOf _.templateSettings\n       * @type {string}\n       */\n      'variable': '',\n\n      /**\n       * Used to import variables into the compiled template.\n       *\n       * @memberOf _.templateSettings\n       * @type {Object}\n       */\n      'imports': {\n\n        /**\n         * A reference to the `lodash` function.\n         *\n         * @memberOf _.templateSettings.imports\n         * @type {Function}\n         */\n        '_': lodash\n      }\n    };\n\n    // Ensure wrappers are instances of `baseLodash`.\n    lodash.prototype = baseLodash.prototype;\n    lodash.prototype.constructor = lodash;\n\n    LodashWrapper.prototype = baseCreate(baseLodash.prototype);\n    LodashWrapper.prototype.constructor = LodashWrapper;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a lazy wrapper object which wraps `value` to enable lazy evaluation.\n     *\n     * @private\n     * @constructor\n     * @param {*} value The value to wrap.\n     */\n    function LazyWrapper(value) {\n      this.__wrapped__ = value;\n      this.__actions__ = [];\n      this.__dir__ = 1;\n      this.__filtered__ = false;\n      this.__iteratees__ = [];\n      this.__takeCount__ = MAX_ARRAY_LENGTH;\n      this.__views__ = [];\n    }\n\n    /**\n     * Creates a clone of the lazy wrapper object.\n     *\n     * @private\n     * @name clone\n     * @memberOf LazyWrapper\n     * @returns {Object} Returns the cloned `LazyWrapper` object.\n     */\n    function lazyClone() {\n      var result = new LazyWrapper(this.__wrapped__);\n      result.__actions__ = copyArray(this.__actions__);\n      result.__dir__ = this.__dir__;\n      result.__filtered__ = this.__filtered__;\n      result.__iteratees__ = copyArray(this.__iteratees__);\n      result.__takeCount__ = this.__takeCount__;\n      result.__views__ = copyArray(this.__views__);\n      return result;\n    }\n\n    /**\n     * Reverses the direction of lazy iteration.\n     *\n     * @private\n     * @name reverse\n     * @memberOf LazyWrapper\n     * @returns {Object} Returns the new reversed `LazyWrapper` object.\n     */\n    function lazyReverse() {\n      if (this.__filtered__) {\n        var result = new LazyWrapper(this);\n        result.__dir__ = -1;\n        result.__filtered__ = true;\n      } else {\n        result = this.clone();\n        result.__dir__ *= -1;\n      }\n      return result;\n    }\n\n    /**\n     * Extracts the unwrapped value from its lazy wrapper.\n     *\n     * @private\n     * @name value\n     * @memberOf LazyWrapper\n     * @returns {*} Returns the unwrapped value.\n     */\n    function lazyValue() {\n      var array = this.__wrapped__.value(),\n          dir = this.__dir__,\n          isArr = isArray(array),\n          isRight = dir < 0,\n          arrLength = isArr ? array.length : 0,\n          view = getView(0, arrLength, this.__views__),\n          start = view.start,\n          end = view.end,\n          length = end - start,\n          index = isRight ? end : (start - 1),\n          iteratees = this.__iteratees__,\n          iterLength = iteratees.length,\n          resIndex = 0,\n          takeCount = nativeMin(length, this.__takeCount__);\n\n      if (!isArr || (!isRight && arrLength == length && takeCount == length)) {\n        return baseWrapperValue(array, this.__actions__);\n      }\n      var result = [];\n\n      outer:\n      while (length-- && resIndex < takeCount) {\n        index += dir;\n\n        var iterIndex = -1,\n            value = array[index];\n\n        while (++iterIndex < iterLength) {\n          var data = iteratees[iterIndex],\n              iteratee = data.iteratee,\n              type = data.type,\n              computed = iteratee(value);\n\n          if (type == LAZY_MAP_FLAG) {\n            value = computed;\n          } else if (!computed) {\n            if (type == LAZY_FILTER_FLAG) {\n              continue outer;\n            } else {\n              break outer;\n            }\n          }\n        }\n        result[resIndex++] = value;\n      }\n      return result;\n    }\n\n    // Ensure `LazyWrapper` is an instance of `baseLodash`.\n    LazyWrapper.prototype = baseCreate(baseLodash.prototype);\n    LazyWrapper.prototype.constructor = LazyWrapper;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a hash object.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [entries] The key-value pairs to cache.\n     */\n    function Hash(entries) {\n      var index = -1,\n          length = entries == null ? 0 : entries.length;\n\n      this.clear();\n      while (++index < length) {\n        var entry = entries[index];\n        this.set(entry[0], entry[1]);\n      }\n    }\n\n    /**\n     * Removes all key-value entries from the hash.\n     *\n     * @private\n     * @name clear\n     * @memberOf Hash\n     */\n    function hashClear() {\n      this.__data__ = nativeCreate ? nativeCreate(null) : {};\n      this.size = 0;\n    }\n\n    /**\n     * Removes `key` and its value from the hash.\n     *\n     * @private\n     * @name delete\n     * @memberOf Hash\n     * @param {Object} hash The hash to modify.\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n     */\n    function hashDelete(key) {\n      var result = this.has(key) && delete this.__data__[key];\n      this.size -= result ? 1 : 0;\n      return result;\n    }\n\n    /**\n     * Gets the hash value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf Hash\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the entry value.\n     */\n    function hashGet(key) {\n      var data = this.__data__;\n      if (nativeCreate) {\n        var result = data[key];\n        return result === HASH_UNDEFINED ? undefined : result;\n      }\n      return hasOwnProperty.call(data, key) ? data[key] : undefined;\n    }\n\n    /**\n     * Checks if a hash value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf Hash\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function hashHas(key) {\n      var data = this.__data__;\n      return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key);\n    }\n\n    /**\n     * Sets the hash `key` to `value`.\n     *\n     * @private\n     * @name set\n     * @memberOf Hash\n     * @param {string} key The key of the value to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns the hash instance.\n     */\n    function hashSet(key, value) {\n      var data = this.__data__;\n      this.size += this.has(key) ? 0 : 1;\n      data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;\n      return this;\n    }\n\n    // Add methods to `Hash`.\n    Hash.prototype.clear = hashClear;\n    Hash.prototype['delete'] = hashDelete;\n    Hash.prototype.get = hashGet;\n    Hash.prototype.has = hashHas;\n    Hash.prototype.set = hashSet;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an list cache object.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [entries] The key-value pairs to cache.\n     */\n    function ListCache(entries) {\n      var index = -1,\n          length = entries == null ? 0 : entries.length;\n\n      this.clear();\n      while (++index < length) {\n        var entry = entries[index];\n        this.set(entry[0], entry[1]);\n      }\n    }\n\n    /**\n     * Removes all key-value entries from the list cache.\n     *\n     * @private\n     * @name clear\n     * @memberOf ListCache\n     */\n    function listCacheClear() {\n      this.__data__ = [];\n      this.size = 0;\n    }\n\n    /**\n     * Removes `key` and its value from the list cache.\n     *\n     * @private\n     * @name delete\n     * @memberOf ListCache\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n     */\n    function listCacheDelete(key) {\n      var data = this.__data__,\n          index = assocIndexOf(data, key);\n\n      if (index < 0) {\n        return false;\n      }\n      var lastIndex = data.length - 1;\n      if (index == lastIndex) {\n        data.pop();\n      } else {\n        splice.call(data, index, 1);\n      }\n      --this.size;\n      return true;\n    }\n\n    /**\n     * Gets the list cache value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf ListCache\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the entry value.\n     */\n    function listCacheGet(key) {\n      var data = this.__data__,\n          index = assocIndexOf(data, key);\n\n      return index < 0 ? undefined : data[index][1];\n    }\n\n    /**\n     * Checks if a list cache value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf ListCache\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function listCacheHas(key) {\n      return assocIndexOf(this.__data__, key) > -1;\n    }\n\n    /**\n     * Sets the list cache `key` to `value`.\n     *\n     * @private\n     * @name set\n     * @memberOf ListCache\n     * @param {string} key The key of the value to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns the list cache instance.\n     */\n    function listCacheSet(key, value) {\n      var data = this.__data__,\n          index = assocIndexOf(data, key);\n\n      if (index < 0) {\n        ++this.size;\n        data.push([key, value]);\n      } else {\n        data[index][1] = value;\n      }\n      return this;\n    }\n\n    // Add methods to `ListCache`.\n    ListCache.prototype.clear = listCacheClear;\n    ListCache.prototype['delete'] = listCacheDelete;\n    ListCache.prototype.get = listCacheGet;\n    ListCache.prototype.has = listCacheHas;\n    ListCache.prototype.set = listCacheSet;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a map cache object to store key-value pairs.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [entries] The key-value pairs to cache.\n     */\n    function MapCache(entries) {\n      var index = -1,\n          length = entries == null ? 0 : entries.length;\n\n      this.clear();\n      while (++index < length) {\n        var entry = entries[index];\n        this.set(entry[0], entry[1]);\n      }\n    }\n\n    /**\n     * Removes all key-value entries from the map.\n     *\n     * @private\n     * @name clear\n     * @memberOf MapCache\n     */\n    function mapCacheClear() {\n      this.size = 0;\n      this.__data__ = {\n        'hash': new Hash,\n        'map': new (Map || ListCache),\n        'string': new Hash\n      };\n    }\n\n    /**\n     * Removes `key` and its value from the map.\n     *\n     * @private\n     * @name delete\n     * @memberOf MapCache\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n     */\n    function mapCacheDelete(key) {\n      var result = getMapData(this, key)['delete'](key);\n      this.size -= result ? 1 : 0;\n      return result;\n    }\n\n    /**\n     * Gets the map value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf MapCache\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the entry value.\n     */\n    function mapCacheGet(key) {\n      return getMapData(this, key).get(key);\n    }\n\n    /**\n     * Checks if a map value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf MapCache\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function mapCacheHas(key) {\n      return getMapData(this, key).has(key);\n    }\n\n    /**\n     * Sets the map `key` to `value`.\n     *\n     * @private\n     * @name set\n     * @memberOf MapCache\n     * @param {string} key The key of the value to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns the map cache instance.\n     */\n    function mapCacheSet(key, value) {\n      var data = getMapData(this, key),\n          size = data.size;\n\n      data.set(key, value);\n      this.size += data.size == size ? 0 : 1;\n      return this;\n    }\n\n    // Add methods to `MapCache`.\n    MapCache.prototype.clear = mapCacheClear;\n    MapCache.prototype['delete'] = mapCacheDelete;\n    MapCache.prototype.get = mapCacheGet;\n    MapCache.prototype.has = mapCacheHas;\n    MapCache.prototype.set = mapCacheSet;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     *\n     * Creates an array cache object to store unique values.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [values] The values to cache.\n     */\n    function SetCache(values) {\n      var index = -1,\n          length = values == null ? 0 : values.length;\n\n      this.__data__ = new MapCache;\n      while (++index < length) {\n        this.add(values[index]);\n      }\n    }\n\n    /**\n     * Adds `value` to the array cache.\n     *\n     * @private\n     * @name add\n     * @memberOf SetCache\n     * @alias push\n     * @param {*} value The value to cache.\n     * @returns {Object} Returns the cache instance.\n     */\n    function setCacheAdd(value) {\n      this.__data__.set(value, HASH_UNDEFINED);\n      return this;\n    }\n\n    /**\n     * Checks if `value` is in the array cache.\n     *\n     * @private\n     * @name has\n     * @memberOf SetCache\n     * @param {*} value The value to search for.\n     * @returns {number} Returns `true` if `value` is found, else `false`.\n     */\n    function setCacheHas(value) {\n      return this.__data__.has(value);\n    }\n\n    // Add methods to `SetCache`.\n    SetCache.prototype.add = SetCache.prototype.push = setCacheAdd;\n    SetCache.prototype.has = setCacheHas;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a stack cache object to store key-value pairs.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [entries] The key-value pairs to cache.\n     */\n    function Stack(entries) {\n      var data = this.__data__ = new ListCache(entries);\n      this.size = data.size;\n    }\n\n    /**\n     * Removes all key-value entries from the stack.\n     *\n     * @private\n     * @name clear\n     * @memberOf Stack\n     */\n    function stackClear() {\n      this.__data__ = new ListCache;\n      this.size = 0;\n    }\n\n    /**\n     * Removes `key` and its value from the stack.\n     *\n     * @private\n     * @name delete\n     * @memberOf Stack\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n     */\n    function stackDelete(key) {\n      var data = this.__data__,\n          result = data['delete'](key);\n\n      this.size = data.size;\n      return result;\n    }\n\n    /**\n     * Gets the stack value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf Stack\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the entry value.\n     */\n    function stackGet(key) {\n      return this.__data__.get(key);\n    }\n\n    /**\n     * Checks if a stack value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf Stack\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function stackHas(key) {\n      return this.__data__.has(key);\n    }\n\n    /**\n     * Sets the stack `key` to `value`.\n     *\n     * @private\n     * @name set\n     * @memberOf Stack\n     * @param {string} key The key of the value to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns the stack cache instance.\n     */\n    function stackSet(key, value) {\n      var data = this.__data__;\n      if (data instanceof ListCache) {\n        var pairs = data.__data__;\n        if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {\n          pairs.push([key, value]);\n          this.size = ++data.size;\n          return this;\n        }\n        data = this.__data__ = new MapCache(pairs);\n      }\n      data.set(key, value);\n      this.size = data.size;\n      return this;\n    }\n\n    // Add methods to `Stack`.\n    Stack.prototype.clear = stackClear;\n    Stack.prototype['delete'] = stackDelete;\n    Stack.prototype.get = stackGet;\n    Stack.prototype.has = stackHas;\n    Stack.prototype.set = stackSet;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an array of the enumerable property names of the array-like `value`.\n     *\n     * @private\n     * @param {*} value The value to query.\n     * @param {boolean} inherited Specify returning inherited property names.\n     * @returns {Array} Returns the array of property names.\n     */\n    function arrayLikeKeys(value, inherited) {\n      var isArr = isArray(value),\n          isArg = !isArr && isArguments(value),\n          isBuff = !isArr && !isArg && isBuffer(value),\n          isType = !isArr && !isArg && !isBuff && isTypedArray(value),\n          skipIndexes = isArr || isArg || isBuff || isType,\n          result = skipIndexes ? baseTimes(value.length, String) : [],\n          length = result.length;\n\n      for (var key in value) {\n        if ((inherited || hasOwnProperty.call(value, key)) &&\n            !(skipIndexes && (\n               // Safari 9 has enumerable `arguments.length` in strict mode.\n               key == 'length' ||\n               // Node.js 0.10 has enumerable non-index properties on buffers.\n               (isBuff && (key == 'offset' || key == 'parent')) ||\n               // PhantomJS 2 has enumerable non-index properties on typed arrays.\n               (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||\n               // Skip index properties.\n               isIndex(key, length)\n            ))) {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * A specialized version of `_.sample` for arrays.\n     *\n     * @private\n     * @param {Array} array The array to sample.\n     * @returns {*} Returns the random element.\n     */\n    function arraySample(array) {\n      var length = array.length;\n      return length ? array[baseRandom(0, length - 1)] : undefined;\n    }\n\n    /**\n     * A specialized version of `_.sampleSize` for arrays.\n     *\n     * @private\n     * @param {Array} array The array to sample.\n     * @param {number} n The number of elements to sample.\n     * @returns {Array} Returns the random elements.\n     */\n    function arraySampleSize(array, n) {\n      return shuffleSelf(copyArray(array), baseClamp(n, 0, array.length));\n    }\n\n    /**\n     * A specialized version of `_.shuffle` for arrays.\n     *\n     * @private\n     * @param {Array} array The array to shuffle.\n     * @returns {Array} Returns the new shuffled array.\n     */\n    function arrayShuffle(array) {\n      return shuffleSelf(copyArray(array));\n    }\n\n    /**\n     * This function is like `assignValue` except that it doesn't assign\n     * `undefined` values.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {string} key The key of the property to assign.\n     * @param {*} value The value to assign.\n     */\n    function assignMergeValue(object, key, value) {\n      if ((value !== undefined && !eq(object[key], value)) ||\n          (value === undefined && !(key in object))) {\n        baseAssignValue(object, key, value);\n      }\n    }\n\n    /**\n     * Assigns `value` to `key` of `object` if the existing value is not equivalent\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {string} key The key of the property to assign.\n     * @param {*} value The value to assign.\n     */\n    function assignValue(object, key, value) {\n      var objValue = object[key];\n      if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) ||\n          (value === undefined && !(key in object))) {\n        baseAssignValue(object, key, value);\n      }\n    }\n\n    /**\n     * Gets the index at which the `key` is found in `array` of key-value pairs.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {*} key The key to search for.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     */\n    function assocIndexOf(array, key) {\n      var length = array.length;\n      while (length--) {\n        if (eq(array[length][0], key)) {\n          return length;\n        }\n      }\n      return -1;\n    }\n\n    /**\n     * Aggregates elements of `collection` on `accumulator` with keys transformed\n     * by `iteratee` and values set by `setter`.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} setter The function to set `accumulator` values.\n     * @param {Function} iteratee The iteratee to transform keys.\n     * @param {Object} accumulator The initial aggregated object.\n     * @returns {Function} Returns `accumulator`.\n     */\n    function baseAggregator(collection, setter, iteratee, accumulator) {\n      baseEach(collection, function(value, key, collection) {\n        setter(accumulator, value, iteratee(value), collection);\n      });\n      return accumulator;\n    }\n\n    /**\n     * The base implementation of `_.assign` without support for multiple sources\n     * or `customizer` functions.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @returns {Object} Returns `object`.\n     */\n    function baseAssign(object, source) {\n      return object && copyObject(source, keys(source), object);\n    }\n\n    /**\n     * The base implementation of `_.assignIn` without support for multiple sources\n     * or `customizer` functions.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @returns {Object} Returns `object`.\n     */\n    function baseAssignIn(object, source) {\n      return object && copyObject(source, keysIn(source), object);\n    }\n\n    /**\n     * The base implementation of `assignValue` and `assignMergeValue` without\n     * value checks.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {string} key The key of the property to assign.\n     * @param {*} value The value to assign.\n     */\n    function baseAssignValue(object, key, value) {\n      if (key == '__proto__' && defineProperty) {\n        defineProperty(object, key, {\n          'configurable': true,\n          'enumerable': true,\n          'value': value,\n          'writable': true\n        });\n      } else {\n        object[key] = value;\n      }\n    }\n\n    /**\n     * The base implementation of `_.at` without support for individual paths.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {string[]} paths The property paths to pick.\n     * @returns {Array} Returns the picked elements.\n     */\n    function baseAt(object, paths) {\n      var index = -1,\n          length = paths.length,\n          result = Array(length),\n          skip = object == null;\n\n      while (++index < length) {\n        result[index] = skip ? undefined : get(object, paths[index]);\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.clamp` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {number} number The number to clamp.\n     * @param {number} [lower] The lower bound.\n     * @param {number} upper The upper bound.\n     * @returns {number} Returns the clamped number.\n     */\n    function baseClamp(number, lower, upper) {\n      if (number === number) {\n        if (upper !== undefined) {\n          number = number <= upper ? number : upper;\n        }\n        if (lower !== undefined) {\n          number = number >= lower ? number : lower;\n        }\n      }\n      return number;\n    }\n\n    /**\n     * The base implementation of `_.clone` and `_.cloneDeep` which tracks\n     * traversed objects.\n     *\n     * @private\n     * @param {*} value The value to clone.\n     * @param {boolean} bitmask The bitmask flags.\n     *  1 - Deep clone\n     *  2 - Flatten inherited properties\n     *  4 - Clone symbols\n     * @param {Function} [customizer] The function to customize cloning.\n     * @param {string} [key] The key of `value`.\n     * @param {Object} [object] The parent object of `value`.\n     * @param {Object} [stack] Tracks traversed objects and their clone counterparts.\n     * @returns {*} Returns the cloned value.\n     */\n    function baseClone(value, bitmask, customizer, key, object, stack) {\n      var result,\n          isDeep = bitmask & CLONE_DEEP_FLAG,\n          isFlat = bitmask & CLONE_FLAT_FLAG,\n          isFull = bitmask & CLONE_SYMBOLS_FLAG;\n\n      if (customizer) {\n        result = object ? customizer(value, key, object, stack) : customizer(value);\n      }\n      if (result !== undefined) {\n        return result;\n      }\n      if (!isObject(value)) {\n        return value;\n      }\n      var isArr = isArray(value);\n      if (isArr) {\n        result = initCloneArray(value);\n        if (!isDeep) {\n          return copyArray(value, result);\n        }\n      } else {\n        var tag = getTag(value),\n            isFunc = tag == funcTag || tag == genTag;\n\n        if (isBuffer(value)) {\n          return cloneBuffer(value, isDeep);\n        }\n        if (tag == objectTag || tag == argsTag || (isFunc && !object)) {\n          result = (isFlat || isFunc) ? {} : initCloneObject(value);\n          if (!isDeep) {\n            return isFlat\n              ? copySymbolsIn(value, baseAssignIn(result, value))\n              : copySymbols(value, baseAssign(result, value));\n          }\n        } else {\n          if (!cloneableTags[tag]) {\n            return object ? value : {};\n          }\n          result = initCloneByTag(value, tag, isDeep);\n        }\n      }\n      // Check for circular references and return its corresponding clone.\n      stack || (stack = new Stack);\n      var stacked = stack.get(value);\n      if (stacked) {\n        return stacked;\n      }\n      stack.set(value, result);\n\n      if (isSet(value)) {\n        value.forEach(function(subValue) {\n          result.add(baseClone(subValue, bitmask, customizer, subValue, value, stack));\n        });\n      } else if (isMap(value)) {\n        value.forEach(function(subValue, key) {\n          result.set(key, baseClone(subValue, bitmask, customizer, key, value, stack));\n        });\n      }\n\n      var keysFunc = isFull\n        ? (isFlat ? getAllKeysIn : getAllKeys)\n        : (isFlat ? keysIn : keys);\n\n      var props = isArr ? undefined : keysFunc(value);\n      arrayEach(props || value, function(subValue, key) {\n        if (props) {\n          key = subValue;\n          subValue = value[key];\n        }\n        // Recursively populate clone (susceptible to call stack limits).\n        assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.conforms` which doesn't clone `source`.\n     *\n     * @private\n     * @param {Object} source The object of property predicates to conform to.\n     * @returns {Function} Returns the new spec function.\n     */\n    function baseConforms(source) {\n      var props = keys(source);\n      return function(object) {\n        return baseConformsTo(object, source, props);\n      };\n    }\n\n    /**\n     * The base implementation of `_.conformsTo` which accepts `props` to check.\n     *\n     * @private\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property predicates to conform to.\n     * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n     */\n    function baseConformsTo(object, source, props) {\n      var length = props.length;\n      if (object == null) {\n        return !length;\n      }\n      object = Object(object);\n      while (length--) {\n        var key = props[length],\n            predicate = source[key],\n            value = object[key];\n\n        if ((value === undefined && !(key in object)) || !predicate(value)) {\n          return false;\n        }\n      }\n      return true;\n    }\n\n    /**\n     * The base implementation of `_.delay` and `_.defer` which accepts `args`\n     * to provide to `func`.\n     *\n     * @private\n     * @param {Function} func The function to delay.\n     * @param {number} wait The number of milliseconds to delay invocation.\n     * @param {Array} args The arguments to provide to `func`.\n     * @returns {number|Object} Returns the timer id or timeout object.\n     */\n    function baseDelay(func, wait, args) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      return setTimeout(function() { func.apply(undefined, args); }, wait);\n    }\n\n    /**\n     * The base implementation of methods like `_.difference` without support\n     * for excluding multiple arrays or iteratee shorthands.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {Array} values The values to exclude.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     */\n    function baseDifference(array, values, iteratee, comparator) {\n      var index = -1,\n          includes = arrayIncludes,\n          isCommon = true,\n          length = array.length,\n          result = [],\n          valuesLength = values.length;\n\n      if (!length) {\n        return result;\n      }\n      if (iteratee) {\n        values = arrayMap(values, baseUnary(iteratee));\n      }\n      if (comparator) {\n        includes = arrayIncludesWith;\n        isCommon = false;\n      }\n      else if (values.length >= LARGE_ARRAY_SIZE) {\n        includes = cacheHas;\n        isCommon = false;\n        values = new SetCache(values);\n      }\n      outer:\n      while (++index < length) {\n        var value = array[index],\n            computed = iteratee == null ? value : iteratee(value);\n\n        value = (comparator || value !== 0) ? value : 0;\n        if (isCommon && computed === computed) {\n          var valuesIndex = valuesLength;\n          while (valuesIndex--) {\n            if (values[valuesIndex] === computed) {\n              continue outer;\n            }\n          }\n          result.push(value);\n        }\n        else if (!includes(values, computed, comparator)) {\n          result.push(value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.forEach` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Array|Object} Returns `collection`.\n     */\n    var baseEach = createBaseEach(baseForOwn);\n\n    /**\n     * The base implementation of `_.forEachRight` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Array|Object} Returns `collection`.\n     */\n    var baseEachRight = createBaseEach(baseForOwnRight, true);\n\n    /**\n     * The base implementation of `_.every` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} predicate The function invoked per iteration.\n     * @returns {boolean} Returns `true` if all elements pass the predicate check,\n     *  else `false`\n     */\n    function baseEvery(collection, predicate) {\n      var result = true;\n      baseEach(collection, function(value, index, collection) {\n        result = !!predicate(value, index, collection);\n        return result;\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of methods like `_.max` and `_.min` which accepts a\n     * `comparator` to determine the extremum value.\n     *\n     * @private\n     * @param {Array} array The array to iterate over.\n     * @param {Function} iteratee The iteratee invoked per iteration.\n     * @param {Function} comparator The comparator used to compare values.\n     * @returns {*} Returns the extremum value.\n     */\n    function baseExtremum(array, iteratee, comparator) {\n      var index = -1,\n          length = array.length;\n\n      while (++index < length) {\n        var value = array[index],\n            current = iteratee(value);\n\n        if (current != null && (computed === undefined\n              ? (current === current && !isSymbol(current))\n              : comparator(current, computed)\n            )) {\n          var computed = current,\n              result = value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.fill` without an iteratee call guard.\n     *\n     * @private\n     * @param {Array} array The array to fill.\n     * @param {*} value The value to fill `array` with.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns `array`.\n     */\n    function baseFill(array, value, start, end) {\n      var length = array.length;\n\n      start = toInteger(start);\n      if (start < 0) {\n        start = -start > length ? 0 : (length + start);\n      }\n      end = (end === undefined || end > length) ? length : toInteger(end);\n      if (end < 0) {\n        end += length;\n      }\n      end = start > end ? 0 : toLength(end);\n      while (start < end) {\n        array[start++] = value;\n      }\n      return array;\n    }\n\n    /**\n     * The base implementation of `_.filter` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} predicate The function invoked per iteration.\n     * @returns {Array} Returns the new filtered array.\n     */\n    function baseFilter(collection, predicate) {\n      var result = [];\n      baseEach(collection, function(value, index, collection) {\n        if (predicate(value, index, collection)) {\n          result.push(value);\n        }\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.flatten` with support for restricting flattening.\n     *\n     * @private\n     * @param {Array} array The array to flatten.\n     * @param {number} depth The maximum recursion depth.\n     * @param {boolean} [predicate=isFlattenable] The function invoked per iteration.\n     * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks.\n     * @param {Array} [result=[]] The initial result value.\n     * @returns {Array} Returns the new flattened array.\n     */\n    function baseFlatten(array, depth, predicate, isStrict, result) {\n      var index = -1,\n          length = array.length;\n\n      predicate || (predicate = isFlattenable);\n      result || (result = []);\n\n      while (++index < length) {\n        var value = array[index];\n        if (depth > 0 && predicate(value)) {\n          if (depth > 1) {\n            // Recursively flatten arrays (susceptible to call stack limits).\n            baseFlatten(value, depth - 1, predicate, isStrict, result);\n          } else {\n            arrayPush(result, value);\n          }\n        } else if (!isStrict) {\n          result[result.length] = value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `baseForOwn` which iterates over `object`\n     * properties returned by `keysFunc` and invokes `iteratee` for each property.\n     * Iteratee functions may exit iteration early by explicitly returning `false`.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @param {Function} keysFunc The function to get the keys of `object`.\n     * @returns {Object} Returns `object`.\n     */\n    var baseFor = createBaseFor();\n\n    /**\n     * This function is like `baseFor` except that it iterates over properties\n     * in the opposite order.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @param {Function} keysFunc The function to get the keys of `object`.\n     * @returns {Object} Returns `object`.\n     */\n    var baseForRight = createBaseFor(true);\n\n    /**\n     * The base implementation of `_.forOwn` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     */\n    function baseForOwn(object, iteratee) {\n      return object && baseFor(object, iteratee, keys);\n    }\n\n    /**\n     * The base implementation of `_.forOwnRight` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     */\n    function baseForOwnRight(object, iteratee) {\n      return object && baseForRight(object, iteratee, keys);\n    }\n\n    /**\n     * The base implementation of `_.functions` which creates an array of\n     * `object` function property names filtered from `props`.\n     *\n     * @private\n     * @param {Object} object The object to inspect.\n     * @param {Array} props The property names to filter.\n     * @returns {Array} Returns the function names.\n     */\n    function baseFunctions(object, props) {\n      return arrayFilter(props, function(key) {\n        return isFunction(object[key]);\n      });\n    }\n\n    /**\n     * The base implementation of `_.get` without support for default values.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the property to get.\n     * @returns {*} Returns the resolved value.\n     */\n    function baseGet(object, path) {\n      path = castPath(path, object);\n\n      var index = 0,\n          length = path.length;\n\n      while (object != null && index < length) {\n        object = object[toKey(path[index++])];\n      }\n      return (index && index == length) ? object : undefined;\n    }\n\n    /**\n     * The base implementation of `getAllKeys` and `getAllKeysIn` which uses\n     * `keysFunc` and `symbolsFunc` to get the enumerable property names and\n     * symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Function} keysFunc The function to get the keys of `object`.\n     * @param {Function} symbolsFunc The function to get the symbols of `object`.\n     * @returns {Array} Returns the array of property names and symbols.\n     */\n    function baseGetAllKeys(object, keysFunc, symbolsFunc) {\n      var result = keysFunc(object);\n      return isArray(object) ? result : arrayPush(result, symbolsFunc(object));\n    }\n\n    /**\n     * The base implementation of `getTag` without fallbacks for buggy environments.\n     *\n     * @private\n     * @param {*} value The value to query.\n     * @returns {string} Returns the `toStringTag`.\n     */\n    function baseGetTag(value) {\n      if (value == null) {\n        return value === undefined ? undefinedTag : nullTag;\n      }\n      return (symToStringTag && symToStringTag in Object(value))\n        ? getRawTag(value)\n        : objectToString(value);\n    }\n\n    /**\n     * The base implementation of `_.gt` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is greater than `other`,\n     *  else `false`.\n     */\n    function baseGt(value, other) {\n      return value > other;\n    }\n\n    /**\n     * The base implementation of `_.has` without support for deep paths.\n     *\n     * @private\n     * @param {Object} [object] The object to query.\n     * @param {Array|string} key The key to check.\n     * @returns {boolean} Returns `true` if `key` exists, else `false`.\n     */\n    function baseHas(object, key) {\n      return object != null && hasOwnProperty.call(object, key);\n    }\n\n    /**\n     * The base implementation of `_.hasIn` without support for deep paths.\n     *\n     * @private\n     * @param {Object} [object] The object to query.\n     * @param {Array|string} key The key to check.\n     * @returns {boolean} Returns `true` if `key` exists, else `false`.\n     */\n    function baseHasIn(object, key) {\n      return object != null && key in Object(object);\n    }\n\n    /**\n     * The base implementation of `_.inRange` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {number} number The number to check.\n     * @param {number} start The start of the range.\n     * @param {number} end The end of the range.\n     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n     */\n    function baseInRange(number, start, end) {\n      return number >= nativeMin(start, end) && number < nativeMax(start, end);\n    }\n\n    /**\n     * The base implementation of methods like `_.intersection`, without support\n     * for iteratee shorthands, that accepts an array of arrays to inspect.\n     *\n     * @private\n     * @param {Array} arrays The arrays to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of shared values.\n     */\n    function baseIntersection(arrays, iteratee, comparator) {\n      var includes = comparator ? arrayIncludesWith : arrayIncludes,\n          length = arrays[0].length,\n          othLength = arrays.length,\n          othIndex = othLength,\n          caches = Array(othLength),\n          maxLength = Infinity,\n          result = [];\n\n      while (othIndex--) {\n        var array = arrays[othIndex];\n        if (othIndex && iteratee) {\n          array = arrayMap(array, baseUnary(iteratee));\n        }\n        maxLength = nativeMin(array.length, maxLength);\n        caches[othIndex] = !comparator && (iteratee || (length >= 120 && array.length >= 120))\n          ? new SetCache(othIndex && array)\n          : undefined;\n      }\n      array = arrays[0];\n\n      var index = -1,\n          seen = caches[0];\n\n      outer:\n      while (++index < length && result.length < maxLength) {\n        var value = array[index],\n            computed = iteratee ? iteratee(value) : value;\n\n        value = (comparator || value !== 0) ? value : 0;\n        if (!(seen\n              ? cacheHas(seen, computed)\n              : includes(result, computed, comparator)\n            )) {\n          othIndex = othLength;\n          while (--othIndex) {\n            var cache = caches[othIndex];\n            if (!(cache\n                  ? cacheHas(cache, computed)\n                  : includes(arrays[othIndex], computed, comparator))\n                ) {\n              continue outer;\n            }\n          }\n          if (seen) {\n            seen.push(computed);\n          }\n          result.push(value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.invert` and `_.invertBy` which inverts\n     * `object` with values transformed by `iteratee` and set by `setter`.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} setter The function to set `accumulator` values.\n     * @param {Function} iteratee The iteratee to transform values.\n     * @param {Object} accumulator The initial inverted object.\n     * @returns {Function} Returns `accumulator`.\n     */\n    function baseInverter(object, setter, iteratee, accumulator) {\n      baseForOwn(object, function(value, key, object) {\n        setter(accumulator, iteratee(value), key, object);\n      });\n      return accumulator;\n    }\n\n    /**\n     * The base implementation of `_.invoke` without support for individual\n     * method arguments.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the method to invoke.\n     * @param {Array} args The arguments to invoke the method with.\n     * @returns {*} Returns the result of the invoked method.\n     */\n    function baseInvoke(object, path, args) {\n      path = castPath(path, object);\n      object = parent(object, path);\n      var func = object == null ? object : object[toKey(last(path))];\n      return func == null ? undefined : apply(func, object, args);\n    }\n\n    /**\n     * The base implementation of `_.isArguments`.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n     */\n    function baseIsArguments(value) {\n      return isObjectLike(value) && baseGetTag(value) == argsTag;\n    }\n\n    /**\n     * The base implementation of `_.isArrayBuffer` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n     */\n    function baseIsArrayBuffer(value) {\n      return isObjectLike(value) && baseGetTag(value) == arrayBufferTag;\n    }\n\n    /**\n     * The base implementation of `_.isDate` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n     */\n    function baseIsDate(value) {\n      return isObjectLike(value) && baseGetTag(value) == dateTag;\n    }\n\n    /**\n     * The base implementation of `_.isEqual` which supports partial comparisons\n     * and tracks traversed objects.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @param {boolean} bitmask The bitmask flags.\n     *  1 - Unordered comparison\n     *  2 - Partial comparison\n     * @param {Function} [customizer] The function to customize comparisons.\n     * @param {Object} [stack] Tracks traversed `value` and `other` objects.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     */\n    function baseIsEqual(value, other, bitmask, customizer, stack) {\n      if (value === other) {\n        return true;\n      }\n      if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {\n        return value !== value && other !== other;\n      }\n      return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);\n    }\n\n    /**\n     * A specialized version of `baseIsEqual` for arrays and objects which performs\n     * deep comparisons and tracks traversed objects enabling objects with circular\n     * references to be compared.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n     * @param {Function} customizer The function to customize comparisons.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Object} [stack] Tracks traversed `object` and `other` objects.\n     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n     */\n    function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {\n      var objIsArr = isArray(object),\n          othIsArr = isArray(other),\n          objTag = objIsArr ? arrayTag : getTag(object),\n          othTag = othIsArr ? arrayTag : getTag(other);\n\n      objTag = objTag == argsTag ? objectTag : objTag;\n      othTag = othTag == argsTag ? objectTag : othTag;\n\n      var objIsObj = objTag == objectTag,\n          othIsObj = othTag == objectTag,\n          isSameTag = objTag == othTag;\n\n      if (isSameTag && isBuffer(object)) {\n        if (!isBuffer(other)) {\n          return false;\n        }\n        objIsArr = true;\n        objIsObj = false;\n      }\n      if (isSameTag && !objIsObj) {\n        stack || (stack = new Stack);\n        return (objIsArr || isTypedArray(object))\n          ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)\n          : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);\n      }\n      if (!(bitmask & COMPARE_PARTIAL_FLAG)) {\n        var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),\n            othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');\n\n        if (objIsWrapped || othIsWrapped) {\n          var objUnwrapped = objIsWrapped ? object.value() : object,\n              othUnwrapped = othIsWrapped ? other.value() : other;\n\n          stack || (stack = new Stack);\n          return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);\n        }\n      }\n      if (!isSameTag) {\n        return false;\n      }\n      stack || (stack = new Stack);\n      return equalObjects(object, other, bitmask, customizer, equalFunc, stack);\n    }\n\n    /**\n     * The base implementation of `_.isMap` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n     */\n    function baseIsMap(value) {\n      return isObjectLike(value) && getTag(value) == mapTag;\n    }\n\n    /**\n     * The base implementation of `_.isMatch` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property values to match.\n     * @param {Array} matchData The property names, values, and compare flags to match.\n     * @param {Function} [customizer] The function to customize comparisons.\n     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n     */\n    function baseIsMatch(object, source, matchData, customizer) {\n      var index = matchData.length,\n          length = index,\n          noCustomizer = !customizer;\n\n      if (object == null) {\n        return !length;\n      }\n      object = Object(object);\n      while (index--) {\n        var data = matchData[index];\n        if ((noCustomizer && data[2])\n              ? data[1] !== object[data[0]]\n              : !(data[0] in object)\n            ) {\n          return false;\n        }\n      }\n      while (++index < length) {\n        data = matchData[index];\n        var key = data[0],\n            objValue = object[key],\n            srcValue = data[1];\n\n        if (noCustomizer && data[2]) {\n          if (objValue === undefined && !(key in object)) {\n            return false;\n          }\n        } else {\n          var stack = new Stack;\n          if (customizer) {\n            var result = customizer(objValue, srcValue, key, object, source, stack);\n          }\n          if (!(result === undefined\n                ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack)\n                : result\n              )) {\n            return false;\n          }\n        }\n      }\n      return true;\n    }\n\n    /**\n     * The base implementation of `_.isNative` without bad shim checks.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a native function,\n     *  else `false`.\n     */\n    function baseIsNative(value) {\n      if (!isObject(value) || isMasked(value)) {\n        return false;\n      }\n      var pattern = isFunction(value) ? reIsNative : reIsHostCtor;\n      return pattern.test(toSource(value));\n    }\n\n    /**\n     * The base implementation of `_.isRegExp` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n     */\n    function baseIsRegExp(value) {\n      return isObjectLike(value) && baseGetTag(value) == regexpTag;\n    }\n\n    /**\n     * The base implementation of `_.isSet` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n     */\n    function baseIsSet(value) {\n      return isObjectLike(value) && getTag(value) == setTag;\n    }\n\n    /**\n     * The base implementation of `_.isTypedArray` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n     */\n    function baseIsTypedArray(value) {\n      return isObjectLike(value) &&\n        isLength(value.length) && !!typedArrayTags[baseGetTag(value)];\n    }\n\n    /**\n     * The base implementation of `_.iteratee`.\n     *\n     * @private\n     * @param {*} [value=_.identity] The value to convert to an iteratee.\n     * @returns {Function} Returns the iteratee.\n     */\n    function baseIteratee(value) {\n      // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.\n      // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.\n      if (typeof value == 'function') {\n        return value;\n      }\n      if (value == null) {\n        return identity;\n      }\n      if (typeof value == 'object') {\n        return isArray(value)\n          ? baseMatchesProperty(value[0], value[1])\n          : baseMatches(value);\n      }\n      return property(value);\n    }\n\n    /**\n     * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     */\n    function baseKeys(object) {\n      if (!isPrototype(object)) {\n        return nativeKeys(object);\n      }\n      var result = [];\n      for (var key in Object(object)) {\n        if (hasOwnProperty.call(object, key) && key != 'constructor') {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     */\n    function baseKeysIn(object) {\n      if (!isObject(object)) {\n        return nativeKeysIn(object);\n      }\n      var isProto = isPrototype(object),\n          result = [];\n\n      for (var key in object) {\n        if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.lt` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is less than `other`,\n     *  else `false`.\n     */\n    function baseLt(value, other) {\n      return value < other;\n    }\n\n    /**\n     * The base implementation of `_.map` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Array} Returns the new mapped array.\n     */\n    function baseMap(collection, iteratee) {\n      var index = -1,\n          result = isArrayLike(collection) ? Array(collection.length) : [];\n\n      baseEach(collection, function(value, key, collection) {\n        result[++index] = iteratee(value, key, collection);\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.matches` which doesn't clone `source`.\n     *\n     * @private\n     * @param {Object} source The object of property values to match.\n     * @returns {Function} Returns the new spec function.\n     */\n    function baseMatches(source) {\n      var matchData = getMatchData(source);\n      if (matchData.length == 1 && matchData[0][2]) {\n        return matchesStrictComparable(matchData[0][0], matchData[0][1]);\n      }\n      return function(object) {\n        return object === source || baseIsMatch(object, source, matchData);\n      };\n    }\n\n    /**\n     * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.\n     *\n     * @private\n     * @param {string} path The path of the property to get.\n     * @param {*} srcValue The value to match.\n     * @returns {Function} Returns the new spec function.\n     */\n    function baseMatchesProperty(path, srcValue) {\n      if (isKey(path) && isStrictComparable(srcValue)) {\n        return matchesStrictComparable(toKey(path), srcValue);\n      }\n      return function(object) {\n        var objValue = get(object, path);\n        return (objValue === undefined && objValue === srcValue)\n          ? hasIn(object, path)\n          : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG);\n      };\n    }\n\n    /**\n     * The base implementation of `_.merge` without support for multiple sources.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @param {number} srcIndex The index of `source`.\n     * @param {Function} [customizer] The function to customize merged values.\n     * @param {Object} [stack] Tracks traversed source values and their merged\n     *  counterparts.\n     */\n    function baseMerge(object, source, srcIndex, customizer, stack) {\n      if (object === source) {\n        return;\n      }\n      baseFor(source, function(srcValue, key) {\n        stack || (stack = new Stack);\n        if (isObject(srcValue)) {\n          baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);\n        }\n        else {\n          var newValue = customizer\n            ? customizer(safeGet(object, key), srcValue, (key + ''), object, source, stack)\n            : undefined;\n\n          if (newValue === undefined) {\n            newValue = srcValue;\n          }\n          assignMergeValue(object, key, newValue);\n        }\n      }, keysIn);\n    }\n\n    /**\n     * A specialized version of `baseMerge` for arrays and objects which performs\n     * deep merges and tracks traversed objects enabling objects with circular\n     * references to be merged.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @param {string} key The key of the value to merge.\n     * @param {number} srcIndex The index of `source`.\n     * @param {Function} mergeFunc The function to merge values.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @param {Object} [stack] Tracks traversed source values and their merged\n     *  counterparts.\n     */\n    function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {\n      var objValue = safeGet(object, key),\n          srcValue = safeGet(source, key),\n          stacked = stack.get(srcValue);\n\n      if (stacked) {\n        assignMergeValue(object, key, stacked);\n        return;\n      }\n      var newValue = customizer\n        ? customizer(objValue, srcValue, (key + ''), object, source, stack)\n        : undefined;\n\n      var isCommon = newValue === undefined;\n\n      if (isCommon) {\n        var isArr = isArray(srcValue),\n            isBuff = !isArr && isBuffer(srcValue),\n            isTyped = !isArr && !isBuff && isTypedArray(srcValue);\n\n        newValue = srcValue;\n        if (isArr || isBuff || isTyped) {\n          if (isArray(objValue)) {\n            newValue = objValue;\n          }\n          else if (isArrayLikeObject(objValue)) {\n            newValue = copyArray(objValue);\n          }\n          else if (isBuff) {\n            isCommon = false;\n            newValue = cloneBuffer(srcValue, true);\n          }\n          else if (isTyped) {\n            isCommon = false;\n            newValue = cloneTypedArray(srcValue, true);\n          }\n          else {\n            newValue = [];\n          }\n        }\n        else if (isPlainObject(srcValue) || isArguments(srcValue)) {\n          newValue = objValue;\n          if (isArguments(objValue)) {\n            newValue = toPlainObject(objValue);\n          }\n          else if (!isObject(objValue) || isFunction(objValue)) {\n            newValue = initCloneObject(srcValue);\n          }\n        }\n        else {\n          isCommon = false;\n        }\n      }\n      if (isCommon) {\n        // Recursively merge objects and arrays (susceptible to call stack limits).\n        stack.set(srcValue, newValue);\n        mergeFunc(newValue, srcValue, srcIndex, customizer, stack);\n        stack['delete'](srcValue);\n      }\n      assignMergeValue(object, key, newValue);\n    }\n\n    /**\n     * The base implementation of `_.nth` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {Array} array The array to query.\n     * @param {number} n The index of the element to return.\n     * @returns {*} Returns the nth element of `array`.\n     */\n    function baseNth(array, n) {\n      var length = array.length;\n      if (!length) {\n        return;\n      }\n      n += n < 0 ? length : 0;\n      return isIndex(n, length) ? array[n] : undefined;\n    }\n\n    /**\n     * The base implementation of `_.orderBy` without param guards.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.\n     * @param {string[]} orders The sort orders of `iteratees`.\n     * @returns {Array} Returns the new sorted array.\n     */\n    function baseOrderBy(collection, iteratees, orders) {\n      var index = -1;\n      iteratees = arrayMap(iteratees.length ? iteratees : [identity], baseUnary(getIteratee()));\n\n      var result = baseMap(collection, function(value, key, collection) {\n        var criteria = arrayMap(iteratees, function(iteratee) {\n          return iteratee(value);\n        });\n        return { 'criteria': criteria, 'index': ++index, 'value': value };\n      });\n\n      return baseSortBy(result, function(object, other) {\n        return compareMultiple(object, other, orders);\n      });\n    }\n\n    /**\n     * The base implementation of `_.pick` without support for individual\n     * property identifiers.\n     *\n     * @private\n     * @param {Object} object The source object.\n     * @param {string[]} paths The property paths to pick.\n     * @returns {Object} Returns the new object.\n     */\n    function basePick(object, paths) {\n      return basePickBy(object, paths, function(value, path) {\n        return hasIn(object, path);\n      });\n    }\n\n    /**\n     * The base implementation of  `_.pickBy` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Object} object The source object.\n     * @param {string[]} paths The property paths to pick.\n     * @param {Function} predicate The function invoked per property.\n     * @returns {Object} Returns the new object.\n     */\n    function basePickBy(object, paths, predicate) {\n      var index = -1,\n          length = paths.length,\n          result = {};\n\n      while (++index < length) {\n        var path = paths[index],\n            value = baseGet(object, path);\n\n        if (predicate(value, path)) {\n          baseSet(result, castPath(path, object), value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * A specialized version of `baseProperty` which supports deep paths.\n     *\n     * @private\n     * @param {Array|string} path The path of the property to get.\n     * @returns {Function} Returns the new accessor function.\n     */\n    function basePropertyDeep(path) {\n      return function(object) {\n        return baseGet(object, path);\n      };\n    }\n\n    /**\n     * The base implementation of `_.pullAllBy` without support for iteratee\n     * shorthands.\n     *\n     * @private\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to remove.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns `array`.\n     */\n    function basePullAll(array, values, iteratee, comparator) {\n      var indexOf = comparator ? baseIndexOfWith : baseIndexOf,\n          index = -1,\n          length = values.length,\n          seen = array;\n\n      if (array === values) {\n        values = copyArray(values);\n      }\n      if (iteratee) {\n        seen = arrayMap(array, baseUnary(iteratee));\n      }\n      while (++index < length) {\n        var fromIndex = 0,\n            value = values[index],\n            computed = iteratee ? iteratee(value) : value;\n\n        while ((fromIndex = indexOf(seen, computed, fromIndex, comparator)) > -1) {\n          if (seen !== array) {\n            splice.call(seen, fromIndex, 1);\n          }\n          splice.call(array, fromIndex, 1);\n        }\n      }\n      return array;\n    }\n\n    /**\n     * The base implementation of `_.pullAt` without support for individual\n     * indexes or capturing the removed elements.\n     *\n     * @private\n     * @param {Array} array The array to modify.\n     * @param {number[]} indexes The indexes of elements to remove.\n     * @returns {Array} Returns `array`.\n     */\n    function basePullAt(array, indexes) {\n      var length = array ? indexes.length : 0,\n          lastIndex = length - 1;\n\n      while (length--) {\n        var index = indexes[length];\n        if (length == lastIndex || index !== previous) {\n          var previous = index;\n          if (isIndex(index)) {\n            splice.call(array, index, 1);\n          } else {\n            baseUnset(array, index);\n          }\n        }\n      }\n      return array;\n    }\n\n    /**\n     * The base implementation of `_.random` without support for returning\n     * floating-point numbers.\n     *\n     * @private\n     * @param {number} lower The lower bound.\n     * @param {number} upper The upper bound.\n     * @returns {number} Returns the random number.\n     */\n    function baseRandom(lower, upper) {\n      return lower + nativeFloor(nativeRandom() * (upper - lower + 1));\n    }\n\n    /**\n     * The base implementation of `_.range` and `_.rangeRight` which doesn't\n     * coerce arguments.\n     *\n     * @private\n     * @param {number} start The start of the range.\n     * @param {number} end The end of the range.\n     * @param {number} step The value to increment or decrement by.\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Array} Returns the range of numbers.\n     */\n    function baseRange(start, end, step, fromRight) {\n      var index = -1,\n          length = nativeMax(nativeCeil((end - start) / (step || 1)), 0),\n          result = Array(length);\n\n      while (length--) {\n        result[fromRight ? length : ++index] = start;\n        start += step;\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.repeat` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {string} string The string to repeat.\n     * @param {number} n The number of times to repeat the string.\n     * @returns {string} Returns the repeated string.\n     */\n    function baseRepeat(string, n) {\n      var result = '';\n      if (!string || n < 1 || n > MAX_SAFE_INTEGER) {\n        return result;\n      }\n      // Leverage the exponentiation by squaring algorithm for a faster repeat.\n      // See https://en.wikipedia.org/wiki/Exponentiation_by_squaring for more details.\n      do {\n        if (n % 2) {\n          result += string;\n        }\n        n = nativeFloor(n / 2);\n        if (n) {\n          string += string;\n        }\n      } while (n);\n\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.rest` which doesn't validate or coerce arguments.\n     *\n     * @private\n     * @param {Function} func The function to apply a rest parameter to.\n     * @param {number} [start=func.length-1] The start position of the rest parameter.\n     * @returns {Function} Returns the new function.\n     */\n    function baseRest(func, start) {\n      return setToString(overRest(func, start, identity), func + '');\n    }\n\n    /**\n     * The base implementation of `_.sample`.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to sample.\n     * @returns {*} Returns the random element.\n     */\n    function baseSample(collection) {\n      return arraySample(values(collection));\n    }\n\n    /**\n     * The base implementation of `_.sampleSize` without param guards.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to sample.\n     * @param {number} n The number of elements to sample.\n     * @returns {Array} Returns the random elements.\n     */\n    function baseSampleSize(collection, n) {\n      var array = values(collection);\n      return shuffleSelf(array, baseClamp(n, 0, array.length));\n    }\n\n    /**\n     * The base implementation of `_.set`.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {*} value The value to set.\n     * @param {Function} [customizer] The function to customize path creation.\n     * @returns {Object} Returns `object`.\n     */\n    function baseSet(object, path, value, customizer) {\n      if (!isObject(object)) {\n        return object;\n      }\n      path = castPath(path, object);\n\n      var index = -1,\n          length = path.length,\n          lastIndex = length - 1,\n          nested = object;\n\n      while (nested != null && ++index < length) {\n        var key = toKey(path[index]),\n            newValue = value;\n\n        if (index != lastIndex) {\n          var objValue = nested[key];\n          newValue = customizer ? customizer(objValue, key, nested) : undefined;\n          if (newValue === undefined) {\n            newValue = isObject(objValue)\n              ? objValue\n              : (isIndex(path[index + 1]) ? [] : {});\n          }\n        }\n        assignValue(nested, key, newValue);\n        nested = nested[key];\n      }\n      return object;\n    }\n\n    /**\n     * The base implementation of `setData` without support for hot loop shorting.\n     *\n     * @private\n     * @param {Function} func The function to associate metadata with.\n     * @param {*} data The metadata.\n     * @returns {Function} Returns `func`.\n     */\n    var baseSetData = !metaMap ? identity : function(func, data) {\n      metaMap.set(func, data);\n      return func;\n    };\n\n    /**\n     * The base implementation of `setToString` without support for hot loop shorting.\n     *\n     * @private\n     * @param {Function} func The function to modify.\n     * @param {Function} string The `toString` result.\n     * @returns {Function} Returns `func`.\n     */\n    var baseSetToString = !defineProperty ? identity : function(func, string) {\n      return defineProperty(func, 'toString', {\n        'configurable': true,\n        'enumerable': false,\n        'value': constant(string),\n        'writable': true\n      });\n    };\n\n    /**\n     * The base implementation of `_.shuffle`.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to shuffle.\n     * @returns {Array} Returns the new shuffled array.\n     */\n    function baseShuffle(collection) {\n      return shuffleSelf(values(collection));\n    }\n\n    /**\n     * The base implementation of `_.slice` without an iteratee call guard.\n     *\n     * @private\n     * @param {Array} array The array to slice.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns the slice of `array`.\n     */\n    function baseSlice(array, start, end) {\n      var index = -1,\n          length = array.length;\n\n      if (start < 0) {\n        start = -start > length ? 0 : (length + start);\n      }\n      end = end > length ? length : end;\n      if (end < 0) {\n        end += length;\n      }\n      length = start > end ? 0 : ((end - start) >>> 0);\n      start >>>= 0;\n\n      var result = Array(length);\n      while (++index < length) {\n        result[index] = array[index + start];\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.some` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} predicate The function invoked per iteration.\n     * @returns {boolean} Returns `true` if any element passes the predicate check,\n     *  else `false`.\n     */\n    function baseSome(collection, predicate) {\n      var result;\n\n      baseEach(collection, function(value, index, collection) {\n        result = predicate(value, index, collection);\n        return !result;\n      });\n      return !!result;\n    }\n\n    /**\n     * The base implementation of `_.sortedIndex` and `_.sortedLastIndex` which\n     * performs a binary search of `array` to determine the index at which `value`\n     * should be inserted into `array` in order to maintain its sort order.\n     *\n     * @private\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {boolean} [retHighest] Specify returning the highest qualified index.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     */\n    function baseSortedIndex(array, value, retHighest) {\n      var low = 0,\n          high = array == null ? low : array.length;\n\n      if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) {\n        while (low < high) {\n          var mid = (low + high) >>> 1,\n              computed = array[mid];\n\n          if (computed !== null && !isSymbol(computed) &&\n              (retHighest ? (computed <= value) : (computed < value))) {\n            low = mid + 1;\n          } else {\n            high = mid;\n          }\n        }\n        return high;\n      }\n      return baseSortedIndexBy(array, value, identity, retHighest);\n    }\n\n    /**\n     * The base implementation of `_.sortedIndexBy` and `_.sortedLastIndexBy`\n     * which invokes `iteratee` for `value` and each element of `array` to compute\n     * their sort ranking. The iteratee is invoked with one argument; (value).\n     *\n     * @private\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {Function} iteratee The iteratee invoked per element.\n     * @param {boolean} [retHighest] Specify returning the highest qualified index.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     */\n    function baseSortedIndexBy(array, value, iteratee, retHighest) {\n      value = iteratee(value);\n\n      var low = 0,\n          high = array == null ? 0 : array.length,\n          valIsNaN = value !== value,\n          valIsNull = value === null,\n          valIsSymbol = isSymbol(value),\n          valIsUndefined = value === undefined;\n\n      while (low < high) {\n        var mid = nativeFloor((low + high) / 2),\n            computed = iteratee(array[mid]),\n            othIsDefined = computed !== undefined,\n            othIsNull = computed === null,\n            othIsReflexive = computed === computed,\n            othIsSymbol = isSymbol(computed);\n\n        if (valIsNaN) {\n          var setLow = retHighest || othIsReflexive;\n        } else if (valIsUndefined) {\n          setLow = othIsReflexive && (retHighest || othIsDefined);\n        } else if (valIsNull) {\n          setLow = othIsReflexive && othIsDefined && (retHighest || !othIsNull);\n        } else if (valIsSymbol) {\n          setLow = othIsReflexive && othIsDefined && !othIsNull && (retHighest || !othIsSymbol);\n        } else if (othIsNull || othIsSymbol) {\n          setLow = false;\n        } else {\n          setLow = retHighest ? (computed <= value) : (computed < value);\n        }\n        if (setLow) {\n          low = mid + 1;\n        } else {\n          high = mid;\n        }\n      }\n      return nativeMin(high, MAX_ARRAY_INDEX);\n    }\n\n    /**\n     * The base implementation of `_.sortedUniq` and `_.sortedUniqBy` without\n     * support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     */\n    function baseSortedUniq(array, iteratee) {\n      var index = -1,\n          length = array.length,\n          resIndex = 0,\n          result = [];\n\n      while (++index < length) {\n        var value = array[index],\n            computed = iteratee ? iteratee(value) : value;\n\n        if (!index || !eq(computed, seen)) {\n          var seen = computed;\n          result[resIndex++] = value === 0 ? 0 : value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.toNumber` which doesn't ensure correct\n     * conversions of binary, hexadecimal, or octal string values.\n     *\n     * @private\n     * @param {*} value The value to process.\n     * @returns {number} Returns the number.\n     */\n    function baseToNumber(value) {\n      if (typeof value == 'number') {\n        return value;\n      }\n      if (isSymbol(value)) {\n        return NAN;\n      }\n      return +value;\n    }\n\n    /**\n     * The base implementation of `_.toString` which doesn't convert nullish\n     * values to empty strings.\n     *\n     * @private\n     * @param {*} value The value to process.\n     * @returns {string} Returns the string.\n     */\n    function baseToString(value) {\n      // Exit early for strings to avoid a performance hit in some environments.\n      if (typeof value == 'string') {\n        return value;\n      }\n      if (isArray(value)) {\n        // Recursively convert values (susceptible to call stack limits).\n        return arrayMap(value, baseToString) + '';\n      }\n      if (isSymbol(value)) {\n        return symbolToString ? symbolToString.call(value) : '';\n      }\n      var result = (value + '');\n      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n    }\n\n    /**\n     * The base implementation of `_.uniqBy` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     */\n    function baseUniq(array, iteratee, comparator) {\n      var index = -1,\n          includes = arrayIncludes,\n          length = array.length,\n          isCommon = true,\n          result = [],\n          seen = result;\n\n      if (comparator) {\n        isCommon = false;\n        includes = arrayIncludesWith;\n      }\n      else if (length >= LARGE_ARRAY_SIZE) {\n        var set = iteratee ? null : createSet(array);\n        if (set) {\n          return setToArray(set);\n        }\n        isCommon = false;\n        includes = cacheHas;\n        seen = new SetCache;\n      }\n      else {\n        seen = iteratee ? [] : result;\n      }\n      outer:\n      while (++index < length) {\n        var value = array[index],\n            computed = iteratee ? iteratee(value) : value;\n\n        value = (comparator || value !== 0) ? value : 0;\n        if (isCommon && computed === computed) {\n          var seenIndex = seen.length;\n          while (seenIndex--) {\n            if (seen[seenIndex] === computed) {\n              continue outer;\n            }\n          }\n          if (iteratee) {\n            seen.push(computed);\n          }\n          result.push(value);\n        }\n        else if (!includes(seen, computed, comparator)) {\n          if (seen !== result) {\n            seen.push(computed);\n          }\n          result.push(value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.unset`.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The property path to unset.\n     * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n     */\n    function baseUnset(object, path) {\n      path = castPath(path, object);\n      object = parent(object, path);\n      return object == null || delete object[toKey(last(path))];\n    }\n\n    /**\n     * The base implementation of `_.update`.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to update.\n     * @param {Function} updater The function to produce the updated value.\n     * @param {Function} [customizer] The function to customize path creation.\n     * @returns {Object} Returns `object`.\n     */\n    function baseUpdate(object, path, updater, customizer) {\n      return baseSet(object, path, updater(baseGet(object, path)), customizer);\n    }\n\n    /**\n     * The base implementation of methods like `_.dropWhile` and `_.takeWhile`\n     * without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array} array The array to query.\n     * @param {Function} predicate The function invoked per iteration.\n     * @param {boolean} [isDrop] Specify dropping elements instead of taking them.\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Array} Returns the slice of `array`.\n     */\n    function baseWhile(array, predicate, isDrop, fromRight) {\n      var length = array.length,\n          index = fromRight ? length : -1;\n\n      while ((fromRight ? index-- : ++index < length) &&\n        predicate(array[index], index, array)) {}\n\n      return isDrop\n        ? baseSlice(array, (fromRight ? 0 : index), (fromRight ? index + 1 : length))\n        : baseSlice(array, (fromRight ? index + 1 : 0), (fromRight ? length : index));\n    }\n\n    /**\n     * The base implementation of `wrapperValue` which returns the result of\n     * performing a sequence of actions on the unwrapped `value`, where each\n     * successive action is supplied the return value of the previous.\n     *\n     * @private\n     * @param {*} value The unwrapped value.\n     * @param {Array} actions Actions to perform to resolve the unwrapped value.\n     * @returns {*} Returns the resolved value.\n     */\n    function baseWrapperValue(value, actions) {\n      var result = value;\n      if (result instanceof LazyWrapper) {\n        result = result.value();\n      }\n      return arrayReduce(actions, function(result, action) {\n        return action.func.apply(action.thisArg, arrayPush([result], action.args));\n      }, result);\n    }\n\n    /**\n     * The base implementation of methods like `_.xor`, without support for\n     * iteratee shorthands, that accepts an array of arrays to inspect.\n     *\n     * @private\n     * @param {Array} arrays The arrays to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of values.\n     */\n    function baseXor(arrays, iteratee, comparator) {\n      var length = arrays.length;\n      if (length < 2) {\n        return length ? baseUniq(arrays[0]) : [];\n      }\n      var index = -1,\n          result = Array(length);\n\n      while (++index < length) {\n        var array = arrays[index],\n            othIndex = -1;\n\n        while (++othIndex < length) {\n          if (othIndex != index) {\n            result[index] = baseDifference(result[index] || array, arrays[othIndex], iteratee, comparator);\n          }\n        }\n      }\n      return baseUniq(baseFlatten(result, 1), iteratee, comparator);\n    }\n\n    /**\n     * This base implementation of `_.zipObject` which assigns values using `assignFunc`.\n     *\n     * @private\n     * @param {Array} props The property identifiers.\n     * @param {Array} values The property values.\n     * @param {Function} assignFunc The function to assign values.\n     * @returns {Object} Returns the new object.\n     */\n    function baseZipObject(props, values, assignFunc) {\n      var index = -1,\n          length = props.length,\n          valsLength = values.length,\n          result = {};\n\n      while (++index < length) {\n        var value = index < valsLength ? values[index] : undefined;\n        assignFunc(result, props[index], value);\n      }\n      return result;\n    }\n\n    /**\n     * Casts `value` to an empty array if it's not an array like object.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @returns {Array|Object} Returns the cast array-like object.\n     */\n    function castArrayLikeObject(value) {\n      return isArrayLikeObject(value) ? value : [];\n    }\n\n    /**\n     * Casts `value` to `identity` if it's not a function.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @returns {Function} Returns cast function.\n     */\n    function castFunction(value) {\n      return typeof value == 'function' ? value : identity;\n    }\n\n    /**\n     * Casts `value` to a path array if it's not one.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @param {Object} [object] The object to query keys on.\n     * @returns {Array} Returns the cast property path array.\n     */\n    function castPath(value, object) {\n      if (isArray(value)) {\n        return value;\n      }\n      return isKey(value, object) ? [value] : stringToPath(toString(value));\n    }\n\n    /**\n     * A `baseRest` alias which can be replaced with `identity` by module\n     * replacement plugins.\n     *\n     * @private\n     * @type {Function}\n     * @param {Function} func The function to apply a rest parameter to.\n     * @returns {Function} Returns the new function.\n     */\n    var castRest = baseRest;\n\n    /**\n     * Casts `array` to a slice if it's needed.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {number} start The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns the cast slice.\n     */\n    function castSlice(array, start, end) {\n      var length = array.length;\n      end = end === undefined ? length : end;\n      return (!start && end >= length) ? array : baseSlice(array, start, end);\n    }\n\n    /**\n     * A simple wrapper around the global [`clearTimeout`](https://mdn.io/clearTimeout).\n     *\n     * @private\n     * @param {number|Object} id The timer id or timeout object of the timer to clear.\n     */\n    var clearTimeout = ctxClearTimeout || function(id) {\n      return root.clearTimeout(id);\n    };\n\n    /**\n     * Creates a clone of  `buffer`.\n     *\n     * @private\n     * @param {Buffer} buffer The buffer to clone.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Buffer} Returns the cloned buffer.\n     */\n    function cloneBuffer(buffer, isDeep) {\n      if (isDeep) {\n        return buffer.slice();\n      }\n      var length = buffer.length,\n          result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);\n\n      buffer.copy(result);\n      return result;\n    }\n\n    /**\n     * Creates a clone of `arrayBuffer`.\n     *\n     * @private\n     * @param {ArrayBuffer} arrayBuffer The array buffer to clone.\n     * @returns {ArrayBuffer} Returns the cloned array buffer.\n     */\n    function cloneArrayBuffer(arrayBuffer) {\n      var result = new arrayBuffer.constructor(arrayBuffer.byteLength);\n      new Uint8Array(result).set(new Uint8Array(arrayBuffer));\n      return result;\n    }\n\n    /**\n     * Creates a clone of `dataView`.\n     *\n     * @private\n     * @param {Object} dataView The data view to clone.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the cloned data view.\n     */\n    function cloneDataView(dataView, isDeep) {\n      var buffer = isDeep ? cloneArrayBuffer(dataView.buffer) : dataView.buffer;\n      return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength);\n    }\n\n    /**\n     * Creates a clone of `regexp`.\n     *\n     * @private\n     * @param {Object} regexp The regexp to clone.\n     * @returns {Object} Returns the cloned regexp.\n     */\n    function cloneRegExp(regexp) {\n      var result = new regexp.constructor(regexp.source, reFlags.exec(regexp));\n      result.lastIndex = regexp.lastIndex;\n      return result;\n    }\n\n    /**\n     * Creates a clone of the `symbol` object.\n     *\n     * @private\n     * @param {Object} symbol The symbol object to clone.\n     * @returns {Object} Returns the cloned symbol object.\n     */\n    function cloneSymbol(symbol) {\n      return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {};\n    }\n\n    /**\n     * Creates a clone of `typedArray`.\n     *\n     * @private\n     * @param {Object} typedArray The typed array to clone.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the cloned typed array.\n     */\n    function cloneTypedArray(typedArray, isDeep) {\n      var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;\n      return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);\n    }\n\n    /**\n     * Compares values to sort them in ascending order.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {number} Returns the sort order indicator for `value`.\n     */\n    function compareAscending(value, other) {\n      if (value !== other) {\n        var valIsDefined = value !== undefined,\n            valIsNull = value === null,\n            valIsReflexive = value === value,\n            valIsSymbol = isSymbol(value);\n\n        var othIsDefined = other !== undefined,\n            othIsNull = other === null,\n            othIsReflexive = other === other,\n            othIsSymbol = isSymbol(other);\n\n        if ((!othIsNull && !othIsSymbol && !valIsSymbol && value > other) ||\n            (valIsSymbol && othIsDefined && othIsReflexive && !othIsNull && !othIsSymbol) ||\n            (valIsNull && othIsDefined && othIsReflexive) ||\n            (!valIsDefined && othIsReflexive) ||\n            !valIsReflexive) {\n          return 1;\n        }\n        if ((!valIsNull && !valIsSymbol && !othIsSymbol && value < other) ||\n            (othIsSymbol && valIsDefined && valIsReflexive && !valIsNull && !valIsSymbol) ||\n            (othIsNull && valIsDefined && valIsReflexive) ||\n            (!othIsDefined && valIsReflexive) ||\n            !othIsReflexive) {\n          return -1;\n        }\n      }\n      return 0;\n    }\n\n    /**\n     * Used by `_.orderBy` to compare multiple properties of a value to another\n     * and stable sort them.\n     *\n     * If `orders` is unspecified, all values are sorted in ascending order. Otherwise,\n     * specify an order of \"desc\" for descending or \"asc\" for ascending sort order\n     * of corresponding values.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {boolean[]|string[]} orders The order to sort by for each property.\n     * @returns {number} Returns the sort order indicator for `object`.\n     */\n    function compareMultiple(object, other, orders) {\n      var index = -1,\n          objCriteria = object.criteria,\n          othCriteria = other.criteria,\n          length = objCriteria.length,\n          ordersLength = orders.length;\n\n      while (++index < length) {\n        var result = compareAscending(objCriteria[index], othCriteria[index]);\n        if (result) {\n          if (index >= ordersLength) {\n            return result;\n          }\n          var order = orders[index];\n          return result * (order == 'desc' ? -1 : 1);\n        }\n      }\n      // Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications\n      // that causes it, under certain circumstances, to provide the same value for\n      // `object` and `other`. See https://github.com/jashkenas/underscore/pull/1247\n      // for more details.\n      //\n      // This also ensures a stable sort in V8 and other engines.\n      // See https://bugs.chromium.org/p/v8/issues/detail?id=90 for more details.\n      return object.index - other.index;\n    }\n\n    /**\n     * Creates an array that is the composition of partially applied arguments,\n     * placeholders, and provided arguments into a single array of arguments.\n     *\n     * @private\n     * @param {Array} args The provided arguments.\n     * @param {Array} partials The arguments to prepend to those provided.\n     * @param {Array} holders The `partials` placeholder indexes.\n     * @params {boolean} [isCurried] Specify composing for a curried function.\n     * @returns {Array} Returns the new array of composed arguments.\n     */\n    function composeArgs(args, partials, holders, isCurried) {\n      var argsIndex = -1,\n          argsLength = args.length,\n          holdersLength = holders.length,\n          leftIndex = -1,\n          leftLength = partials.length,\n          rangeLength = nativeMax(argsLength - holdersLength, 0),\n          result = Array(leftLength + rangeLength),\n          isUncurried = !isCurried;\n\n      while (++leftIndex < leftLength) {\n        result[leftIndex] = partials[leftIndex];\n      }\n      while (++argsIndex < holdersLength) {\n        if (isUncurried || argsIndex < argsLength) {\n          result[holders[argsIndex]] = args[argsIndex];\n        }\n      }\n      while (rangeLength--) {\n        result[leftIndex++] = args[argsIndex++];\n      }\n      return result;\n    }\n\n    /**\n     * This function is like `composeArgs` except that the arguments composition\n     * is tailored for `_.partialRight`.\n     *\n     * @private\n     * @param {Array} args The provided arguments.\n     * @param {Array} partials The arguments to append to those provided.\n     * @param {Array} holders The `partials` placeholder indexes.\n     * @params {boolean} [isCurried] Specify composing for a curried function.\n     * @returns {Array} Returns the new array of composed arguments.\n     */\n    function composeArgsRight(args, partials, holders, isCurried) {\n      var argsIndex = -1,\n          argsLength = args.length,\n          holdersIndex = -1,\n          holdersLength = holders.length,\n          rightIndex = -1,\n          rightLength = partials.length,\n          rangeLength = nativeMax(argsLength - holdersLength, 0),\n          result = Array(rangeLength + rightLength),\n          isUncurried = !isCurried;\n\n      while (++argsIndex < rangeLength) {\n        result[argsIndex] = args[argsIndex];\n      }\n      var offset = argsIndex;\n      while (++rightIndex < rightLength) {\n        result[offset + rightIndex] = partials[rightIndex];\n      }\n      while (++holdersIndex < holdersLength) {\n        if (isUncurried || argsIndex < argsLength) {\n          result[offset + holders[holdersIndex]] = args[argsIndex++];\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Copies the values of `source` to `array`.\n     *\n     * @private\n     * @param {Array} source The array to copy values from.\n     * @param {Array} [array=[]] The array to copy values to.\n     * @returns {Array} Returns `array`.\n     */\n    function copyArray(source, array) {\n      var index = -1,\n          length = source.length;\n\n      array || (array = Array(length));\n      while (++index < length) {\n        array[index] = source[index];\n      }\n      return array;\n    }\n\n    /**\n     * Copies properties of `source` to `object`.\n     *\n     * @private\n     * @param {Object} source The object to copy properties from.\n     * @param {Array} props The property identifiers to copy.\n     * @param {Object} [object={}] The object to copy properties to.\n     * @param {Function} [customizer] The function to customize copied values.\n     * @returns {Object} Returns `object`.\n     */\n    function copyObject(source, props, object, customizer) {\n      var isNew = !object;\n      object || (object = {});\n\n      var index = -1,\n          length = props.length;\n\n      while (++index < length) {\n        var key = props[index];\n\n        var newValue = customizer\n          ? customizer(object[key], source[key], key, object, source)\n          : undefined;\n\n        if (newValue === undefined) {\n          newValue = source[key];\n        }\n        if (isNew) {\n          baseAssignValue(object, key, newValue);\n        } else {\n          assignValue(object, key, newValue);\n        }\n      }\n      return object;\n    }\n\n    /**\n     * Copies own symbols of `source` to `object`.\n     *\n     * @private\n     * @param {Object} source The object to copy symbols from.\n     * @param {Object} [object={}] The object to copy symbols to.\n     * @returns {Object} Returns `object`.\n     */\n    function copySymbols(source, object) {\n      return copyObject(source, getSymbols(source), object);\n    }\n\n    /**\n     * Copies own and inherited symbols of `source` to `object`.\n     *\n     * @private\n     * @param {Object} source The object to copy symbols from.\n     * @param {Object} [object={}] The object to copy symbols to.\n     * @returns {Object} Returns `object`.\n     */\n    function copySymbolsIn(source, object) {\n      return copyObject(source, getSymbolsIn(source), object);\n    }\n\n    /**\n     * Creates a function like `_.groupBy`.\n     *\n     * @private\n     * @param {Function} setter The function to set accumulator values.\n     * @param {Function} [initializer] The accumulator object initializer.\n     * @returns {Function} Returns the new aggregator function.\n     */\n    function createAggregator(setter, initializer) {\n      return function(collection, iteratee) {\n        var func = isArray(collection) ? arrayAggregator : baseAggregator,\n            accumulator = initializer ? initializer() : {};\n\n        return func(collection, setter, getIteratee(iteratee, 2), accumulator);\n      };\n    }\n\n    /**\n     * Creates a function like `_.assign`.\n     *\n     * @private\n     * @param {Function} assigner The function to assign values.\n     * @returns {Function} Returns the new assigner function.\n     */\n    function createAssigner(assigner) {\n      return baseRest(function(object, sources) {\n        var index = -1,\n            length = sources.length,\n            customizer = length > 1 ? sources[length - 1] : undefined,\n            guard = length > 2 ? sources[2] : undefined;\n\n        customizer = (assigner.length > 3 && typeof customizer == 'function')\n          ? (length--, customizer)\n          : undefined;\n\n        if (guard && isIterateeCall(sources[0], sources[1], guard)) {\n          customizer = length < 3 ? undefined : customizer;\n          length = 1;\n        }\n        object = Object(object);\n        while (++index < length) {\n          var source = sources[index];\n          if (source) {\n            assigner(object, source, index, customizer);\n          }\n        }\n        return object;\n      });\n    }\n\n    /**\n     * Creates a `baseEach` or `baseEachRight` function.\n     *\n     * @private\n     * @param {Function} eachFunc The function to iterate over a collection.\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new base function.\n     */\n    function createBaseEach(eachFunc, fromRight) {\n      return function(collection, iteratee) {\n        if (collection == null) {\n          return collection;\n        }\n        if (!isArrayLike(collection)) {\n          return eachFunc(collection, iteratee);\n        }\n        var length = collection.length,\n            index = fromRight ? length : -1,\n            iterable = Object(collection);\n\n        while ((fromRight ? index-- : ++index < length)) {\n          if (iteratee(iterable[index], index, iterable) === false) {\n            break;\n          }\n        }\n        return collection;\n      };\n    }\n\n    /**\n     * Creates a base function for methods like `_.forIn` and `_.forOwn`.\n     *\n     * @private\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new base function.\n     */\n    function createBaseFor(fromRight) {\n      return function(object, iteratee, keysFunc) {\n        var index = -1,\n            iterable = Object(object),\n            props = keysFunc(object),\n            length = props.length;\n\n        while (length--) {\n          var key = props[fromRight ? length : ++index];\n          if (iteratee(iterable[key], key, iterable) === false) {\n            break;\n          }\n        }\n        return object;\n      };\n    }\n\n    /**\n     * Creates a function that wraps `func` to invoke it with the optional `this`\n     * binding of `thisArg`.\n     *\n     * @private\n     * @param {Function} func The function to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createBind(func, bitmask, thisArg) {\n      var isBind = bitmask & WRAP_BIND_FLAG,\n          Ctor = createCtor(func);\n\n      function wrapper() {\n        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n        return fn.apply(isBind ? thisArg : this, arguments);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a function like `_.lowerFirst`.\n     *\n     * @private\n     * @param {string} methodName The name of the `String` case method to use.\n     * @returns {Function} Returns the new case function.\n     */\n    function createCaseFirst(methodName) {\n      return function(string) {\n        string = toString(string);\n\n        var strSymbols = hasUnicode(string)\n          ? stringToArray(string)\n          : undefined;\n\n        var chr = strSymbols\n          ? strSymbols[0]\n          : string.charAt(0);\n\n        var trailing = strSymbols\n          ? castSlice(strSymbols, 1).join('')\n          : string.slice(1);\n\n        return chr[methodName]() + trailing;\n      };\n    }\n\n    /**\n     * Creates a function like `_.camelCase`.\n     *\n     * @private\n     * @param {Function} callback The function to combine each word.\n     * @returns {Function} Returns the new compounder function.\n     */\n    function createCompounder(callback) {\n      return function(string) {\n        return arrayReduce(words(deburr(string).replace(reApos, '')), callback, '');\n      };\n    }\n\n    /**\n     * Creates a function that produces an instance of `Ctor` regardless of\n     * whether it was invoked as part of a `new` expression or by `call` or `apply`.\n     *\n     * @private\n     * @param {Function} Ctor The constructor to wrap.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createCtor(Ctor) {\n      return function() {\n        // Use a `switch` statement to work with class constructors. See\n        // http://ecma-international.org/ecma-262/7.0/#sec-ecmascript-function-objects-call-thisargument-argumentslist\n        // for more details.\n        var args = arguments;\n        switch (args.length) {\n          case 0: return new Ctor;\n          case 1: return new Ctor(args[0]);\n          case 2: return new Ctor(args[0], args[1]);\n          case 3: return new Ctor(args[0], args[1], args[2]);\n          case 4: return new Ctor(args[0], args[1], args[2], args[3]);\n          case 5: return new Ctor(args[0], args[1], args[2], args[3], args[4]);\n          case 6: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5]);\n          case 7: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);\n        }\n        var thisBinding = baseCreate(Ctor.prototype),\n            result = Ctor.apply(thisBinding, args);\n\n        // Mimic the constructor's `return` behavior.\n        // See https://es5.github.io/#x13.2.2 for more details.\n        return isObject(result) ? result : thisBinding;\n      };\n    }\n\n    /**\n     * Creates a function that wraps `func` to enable currying.\n     *\n     * @private\n     * @param {Function} func The function to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {number} arity The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createCurry(func, bitmask, arity) {\n      var Ctor = createCtor(func);\n\n      function wrapper() {\n        var length = arguments.length,\n            args = Array(length),\n            index = length,\n            placeholder = getHolder(wrapper);\n\n        while (index--) {\n          args[index] = arguments[index];\n        }\n        var holders = (length < 3 && args[0] !== placeholder && args[length - 1] !== placeholder)\n          ? []\n          : replaceHolders(args, placeholder);\n\n        length -= holders.length;\n        if (length < arity) {\n          return createRecurry(\n            func, bitmask, createHybrid, wrapper.placeholder, undefined,\n            args, holders, undefined, undefined, arity - length);\n        }\n        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n        return apply(fn, this, args);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a `_.find` or `_.findLast` function.\n     *\n     * @private\n     * @param {Function} findIndexFunc The function to find the collection index.\n     * @returns {Function} Returns the new find function.\n     */\n    function createFind(findIndexFunc) {\n      return function(collection, predicate, fromIndex) {\n        var iterable = Object(collection);\n        if (!isArrayLike(collection)) {\n          var iteratee = getIteratee(predicate, 3);\n          collection = keys(collection);\n          predicate = function(key) { return iteratee(iterable[key], key, iterable); };\n        }\n        var index = findIndexFunc(collection, predicate, fromIndex);\n        return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined;\n      };\n    }\n\n    /**\n     * Creates a `_.flow` or `_.flowRight` function.\n     *\n     * @private\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new flow function.\n     */\n    function createFlow(fromRight) {\n      return flatRest(function(funcs) {\n        var length = funcs.length,\n            index = length,\n            prereq = LodashWrapper.prototype.thru;\n\n        if (fromRight) {\n          funcs.reverse();\n        }\n        while (index--) {\n          var func = funcs[index];\n          if (typeof func != 'function') {\n            throw new TypeError(FUNC_ERROR_TEXT);\n          }\n          if (prereq && !wrapper && getFuncName(func) == 'wrapper') {\n            var wrapper = new LodashWrapper([], true);\n          }\n        }\n        index = wrapper ? index : length;\n        while (++index < length) {\n          func = funcs[index];\n\n          var funcName = getFuncName(func),\n              data = funcName == 'wrapper' ? getData(func) : undefined;\n\n          if (data && isLaziable(data[0]) &&\n                data[1] == (WRAP_ARY_FLAG | WRAP_CURRY_FLAG | WRAP_PARTIAL_FLAG | WRAP_REARG_FLAG) &&\n                !data[4].length && data[9] == 1\n              ) {\n            wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]);\n          } else {\n            wrapper = (func.length == 1 && isLaziable(func))\n              ? wrapper[funcName]()\n              : wrapper.thru(func);\n          }\n        }\n        return function() {\n          var args = arguments,\n              value = args[0];\n\n          if (wrapper && args.length == 1 && isArray(value)) {\n            return wrapper.plant(value).value();\n          }\n          var index = 0,\n              result = length ? funcs[index].apply(this, args) : value;\n\n          while (++index < length) {\n            result = funcs[index].call(this, result);\n          }\n          return result;\n        };\n      });\n    }\n\n    /**\n     * Creates a function that wraps `func` to invoke it with optional `this`\n     * binding of `thisArg`, partial application, and currying.\n     *\n     * @private\n     * @param {Function|string} func The function or method name to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @param {Array} [partials] The arguments to prepend to those provided to\n     *  the new function.\n     * @param {Array} [holders] The `partials` placeholder indexes.\n     * @param {Array} [partialsRight] The arguments to append to those provided\n     *  to the new function.\n     * @param {Array} [holdersRight] The `partialsRight` placeholder indexes.\n     * @param {Array} [argPos] The argument positions of the new function.\n     * @param {number} [ary] The arity cap of `func`.\n     * @param {number} [arity] The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createHybrid(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) {\n      var isAry = bitmask & WRAP_ARY_FLAG,\n          isBind = bitmask & WRAP_BIND_FLAG,\n          isBindKey = bitmask & WRAP_BIND_KEY_FLAG,\n          isCurried = bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG),\n          isFlip = bitmask & WRAP_FLIP_FLAG,\n          Ctor = isBindKey ? undefined : createCtor(func);\n\n      function wrapper() {\n        var length = arguments.length,\n            args = Array(length),\n            index = length;\n\n        while (index--) {\n          args[index] = arguments[index];\n        }\n        if (isCurried) {\n          var placeholder = getHolder(wrapper),\n              holdersCount = countHolders(args, placeholder);\n        }\n        if (partials) {\n          args = composeArgs(args, partials, holders, isCurried);\n        }\n        if (partialsRight) {\n          args = composeArgsRight(args, partialsRight, holdersRight, isCurried);\n        }\n        length -= holdersCount;\n        if (isCurried && length < arity) {\n          var newHolders = replaceHolders(args, placeholder);\n          return createRecurry(\n            func, bitmask, createHybrid, wrapper.placeholder, thisArg,\n            args, newHolders, argPos, ary, arity - length\n          );\n        }\n        var thisBinding = isBind ? thisArg : this,\n            fn = isBindKey ? thisBinding[func] : func;\n\n        length = args.length;\n        if (argPos) {\n          args = reorder(args, argPos);\n        } else if (isFlip && length > 1) {\n          args.reverse();\n        }\n        if (isAry && ary < length) {\n          args.length = ary;\n        }\n        if (this && this !== root && this instanceof wrapper) {\n          fn = Ctor || createCtor(fn);\n        }\n        return fn.apply(thisBinding, args);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a function like `_.invertBy`.\n     *\n     * @private\n     * @param {Function} setter The function to set accumulator values.\n     * @param {Function} toIteratee The function to resolve iteratees.\n     * @returns {Function} Returns the new inverter function.\n     */\n    function createInverter(setter, toIteratee) {\n      return function(object, iteratee) {\n        return baseInverter(object, setter, toIteratee(iteratee), {});\n      };\n    }\n\n    /**\n     * Creates a function that performs a mathematical operation on two values.\n     *\n     * @private\n     * @param {Function} operator The function to perform the operation.\n     * @param {number} [defaultValue] The value used for `undefined` arguments.\n     * @returns {Function} Returns the new mathematical operation function.\n     */\n    function createMathOperation(operator, defaultValue) {\n      return function(value, other) {\n        var result;\n        if (value === undefined && other === undefined) {\n          return defaultValue;\n        }\n        if (value !== undefined) {\n          result = value;\n        }\n        if (other !== undefined) {\n          if (result === undefined) {\n            return other;\n          }\n          if (typeof value == 'string' || typeof other == 'string') {\n            value = baseToString(value);\n            other = baseToString(other);\n          } else {\n            value = baseToNumber(value);\n            other = baseToNumber(other);\n          }\n          result = operator(value, other);\n        }\n        return result;\n      };\n    }\n\n    /**\n     * Creates a function like `_.over`.\n     *\n     * @private\n     * @param {Function} arrayFunc The function to iterate over iteratees.\n     * @returns {Function} Returns the new over function.\n     */\n    function createOver(arrayFunc) {\n      return flatRest(function(iteratees) {\n        iteratees = arrayMap(iteratees, baseUnary(getIteratee()));\n        return baseRest(function(args) {\n          var thisArg = this;\n          return arrayFunc(iteratees, function(iteratee) {\n            return apply(iteratee, thisArg, args);\n          });\n        });\n      });\n    }\n\n    /**\n     * Creates the padding for `string` based on `length`. The `chars` string\n     * is truncated if the number of characters exceeds `length`.\n     *\n     * @private\n     * @param {number} length The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padding for `string`.\n     */\n    function createPadding(length, chars) {\n      chars = chars === undefined ? ' ' : baseToString(chars);\n\n      var charsLength = chars.length;\n      if (charsLength < 2) {\n        return charsLength ? baseRepeat(chars, length) : chars;\n      }\n      var result = baseRepeat(chars, nativeCeil(length / stringSize(chars)));\n      return hasUnicode(chars)\n        ? castSlice(stringToArray(result), 0, length).join('')\n        : result.slice(0, length);\n    }\n\n    /**\n     * Creates a function that wraps `func` to invoke it with the `this` binding\n     * of `thisArg` and `partials` prepended to the arguments it receives.\n     *\n     * @private\n     * @param {Function} func The function to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {*} thisArg The `this` binding of `func`.\n     * @param {Array} partials The arguments to prepend to those provided to\n     *  the new function.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createPartial(func, bitmask, thisArg, partials) {\n      var isBind = bitmask & WRAP_BIND_FLAG,\n          Ctor = createCtor(func);\n\n      function wrapper() {\n        var argsIndex = -1,\n            argsLength = arguments.length,\n            leftIndex = -1,\n            leftLength = partials.length,\n            args = Array(leftLength + argsLength),\n            fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n\n        while (++leftIndex < leftLength) {\n          args[leftIndex] = partials[leftIndex];\n        }\n        while (argsLength--) {\n          args[leftIndex++] = arguments[++argsIndex];\n        }\n        return apply(fn, isBind ? thisArg : this, args);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a `_.range` or `_.rangeRight` function.\n     *\n     * @private\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new range function.\n     */\n    function createRange(fromRight) {\n      return function(start, end, step) {\n        if (step && typeof step != 'number' && isIterateeCall(start, end, step)) {\n          end = step = undefined;\n        }\n        // Ensure the sign of `-0` is preserved.\n        start = toFinite(start);\n        if (end === undefined) {\n          end = start;\n          start = 0;\n        } else {\n          end = toFinite(end);\n        }\n        step = step === undefined ? (start < end ? 1 : -1) : toFinite(step);\n        return baseRange(start, end, step, fromRight);\n      };\n    }\n\n    /**\n     * Creates a function that performs a relational operation on two values.\n     *\n     * @private\n     * @param {Function} operator The function to perform the operation.\n     * @returns {Function} Returns the new relational operation function.\n     */\n    function createRelationalOperation(operator) {\n      return function(value, other) {\n        if (!(typeof value == 'string' && typeof other == 'string')) {\n          value = toNumber(value);\n          other = toNumber(other);\n        }\n        return operator(value, other);\n      };\n    }\n\n    /**\n     * Creates a function that wraps `func` to continue currying.\n     *\n     * @private\n     * @param {Function} func The function to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {Function} wrapFunc The function to create the `func` wrapper.\n     * @param {*} placeholder The placeholder value.\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @param {Array} [partials] The arguments to prepend to those provided to\n     *  the new function.\n     * @param {Array} [holders] The `partials` placeholder indexes.\n     * @param {Array} [argPos] The argument positions of the new function.\n     * @param {number} [ary] The arity cap of `func`.\n     * @param {number} [arity] The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createRecurry(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) {\n      var isCurry = bitmask & WRAP_CURRY_FLAG,\n          newHolders = isCurry ? holders : undefined,\n          newHoldersRight = isCurry ? undefined : holders,\n          newPartials = isCurry ? partials : undefined,\n          newPartialsRight = isCurry ? undefined : partials;\n\n      bitmask |= (isCurry ? WRAP_PARTIAL_FLAG : WRAP_PARTIAL_RIGHT_FLAG);\n      bitmask &= ~(isCurry ? WRAP_PARTIAL_RIGHT_FLAG : WRAP_PARTIAL_FLAG);\n\n      if (!(bitmask & WRAP_CURRY_BOUND_FLAG)) {\n        bitmask &= ~(WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG);\n      }\n      var newData = [\n        func, bitmask, thisArg, newPartials, newHolders, newPartialsRight,\n        newHoldersRight, argPos, ary, arity\n      ];\n\n      var result = wrapFunc.apply(undefined, newData);\n      if (isLaziable(func)) {\n        setData(result, newData);\n      }\n      result.placeholder = placeholder;\n      return setWrapToString(result, func, bitmask);\n    }\n\n    /**\n     * Creates a function like `_.round`.\n     *\n     * @private\n     * @param {string} methodName The name of the `Math` method to use when rounding.\n     * @returns {Function} Returns the new round function.\n     */\n    function createRound(methodName) {\n      var func = Math[methodName];\n      return function(number, precision) {\n        number = toNumber(number);\n        precision = precision == null ? 0 : nativeMin(toInteger(precision), 292);\n        if (precision && nativeIsFinite(number)) {\n          // Shift with exponential notation to avoid floating-point issues.\n          // See [MDN](https://mdn.io/round#Examples) for more details.\n          var pair = (toString(number) + 'e').split('e'),\n              value = func(pair[0] + 'e' + (+pair[1] + precision));\n\n          pair = (toString(value) + 'e').split('e');\n          return +(pair[0] + 'e' + (+pair[1] - precision));\n        }\n        return func(number);\n      };\n    }\n\n    /**\n     * Creates a set object of `values`.\n     *\n     * @private\n     * @param {Array} values The values to add to the set.\n     * @returns {Object} Returns the new set.\n     */\n    var createSet = !(Set && (1 / setToArray(new Set([,-0]))[1]) == INFINITY) ? noop : function(values) {\n      return new Set(values);\n    };\n\n    /**\n     * Creates a `_.toPairs` or `_.toPairsIn` function.\n     *\n     * @private\n     * @param {Function} keysFunc The function to get the keys of a given object.\n     * @returns {Function} Returns the new pairs function.\n     */\n    function createToPairs(keysFunc) {\n      return function(object) {\n        var tag = getTag(object);\n        if (tag == mapTag) {\n          return mapToArray(object);\n        }\n        if (tag == setTag) {\n          return setToPairs(object);\n        }\n        return baseToPairs(object, keysFunc(object));\n      };\n    }\n\n    /**\n     * Creates a function that either curries or invokes `func` with optional\n     * `this` binding and partially applied arguments.\n     *\n     * @private\n     * @param {Function|string} func The function or method name to wrap.\n     * @param {number} bitmask The bitmask flags.\n     *    1 - `_.bind`\n     *    2 - `_.bindKey`\n     *    4 - `_.curry` or `_.curryRight` of a bound function\n     *    8 - `_.curry`\n     *   16 - `_.curryRight`\n     *   32 - `_.partial`\n     *   64 - `_.partialRight`\n     *  128 - `_.rearg`\n     *  256 - `_.ary`\n     *  512 - `_.flip`\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @param {Array} [partials] The arguments to be partially applied.\n     * @param {Array} [holders] The `partials` placeholder indexes.\n     * @param {Array} [argPos] The argument positions of the new function.\n     * @param {number} [ary] The arity cap of `func`.\n     * @param {number} [arity] The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createWrap(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {\n      var isBindKey = bitmask & WRAP_BIND_KEY_FLAG;\n      if (!isBindKey && typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      var length = partials ? partials.length : 0;\n      if (!length) {\n        bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_PARTIAL_RIGHT_FLAG);\n        partials = holders = undefined;\n      }\n      ary = ary === undefined ? ary : nativeMax(toInteger(ary), 0);\n      arity = arity === undefined ? arity : toInteger(arity);\n      length -= holders ? holders.length : 0;\n\n      if (bitmask & WRAP_PARTIAL_RIGHT_FLAG) {\n        var partialsRight = partials,\n            holdersRight = holders;\n\n        partials = holders = undefined;\n      }\n      var data = isBindKey ? undefined : getData(func);\n\n      var newData = [\n        func, bitmask, thisArg, partials, holders, partialsRight, holdersRight,\n        argPos, ary, arity\n      ];\n\n      if (data) {\n        mergeData(newData, data);\n      }\n      func = newData[0];\n      bitmask = newData[1];\n      thisArg = newData[2];\n      partials = newData[3];\n      holders = newData[4];\n      arity = newData[9] = newData[9] === undefined\n        ? (isBindKey ? 0 : func.length)\n        : nativeMax(newData[9] - length, 0);\n\n      if (!arity && bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG)) {\n        bitmask &= ~(WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG);\n      }\n      if (!bitmask || bitmask == WRAP_BIND_FLAG) {\n        var result = createBind(func, bitmask, thisArg);\n      } else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) {\n        result = createCurry(func, bitmask, arity);\n      } else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) {\n        result = createPartial(func, bitmask, thisArg, partials);\n      } else {\n        result = createHybrid.apply(undefined, newData);\n      }\n      var setter = data ? baseSetData : setData;\n      return setWrapToString(setter(result, newData), func, bitmask);\n    }\n\n    /**\n     * Used by `_.defaults` to customize its `_.assignIn` use to assign properties\n     * of source objects to the destination object for all destination properties\n     * that resolve to `undefined`.\n     *\n     * @private\n     * @param {*} objValue The destination value.\n     * @param {*} srcValue The source value.\n     * @param {string} key The key of the property to assign.\n     * @param {Object} object The parent object of `objValue`.\n     * @returns {*} Returns the value to assign.\n     */\n    function customDefaultsAssignIn(objValue, srcValue, key, object) {\n      if (objValue === undefined ||\n          (eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) {\n        return srcValue;\n      }\n      return objValue;\n    }\n\n    /**\n     * Used by `_.defaultsDeep` to customize its `_.merge` use to merge source\n     * objects into destination objects that are passed thru.\n     *\n     * @private\n     * @param {*} objValue The destination value.\n     * @param {*} srcValue The source value.\n     * @param {string} key The key of the property to merge.\n     * @param {Object} object The parent object of `objValue`.\n     * @param {Object} source The parent object of `srcValue`.\n     * @param {Object} [stack] Tracks traversed source values and their merged\n     *  counterparts.\n     * @returns {*} Returns the value to assign.\n     */\n    function customDefaultsMerge(objValue, srcValue, key, object, source, stack) {\n      if (isObject(objValue) && isObject(srcValue)) {\n        // Recursively merge objects and arrays (susceptible to call stack limits).\n        stack.set(srcValue, objValue);\n        baseMerge(objValue, srcValue, undefined, customDefaultsMerge, stack);\n        stack['delete'](srcValue);\n      }\n      return objValue;\n    }\n\n    /**\n     * Used by `_.omit` to customize its `_.cloneDeep` use to only clone plain\n     * objects.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @param {string} key The key of the property to inspect.\n     * @returns {*} Returns the uncloned value or `undefined` to defer cloning to `_.cloneDeep`.\n     */\n    function customOmitClone(value) {\n      return isPlainObject(value) ? undefined : value;\n    }\n\n    /**\n     * A specialized version of `baseIsEqualDeep` for arrays with support for\n     * partial deep comparisons.\n     *\n     * @private\n     * @param {Array} array The array to compare.\n     * @param {Array} other The other array to compare.\n     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n     * @param {Function} customizer The function to customize comparisons.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Object} stack Tracks traversed `array` and `other` objects.\n     * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.\n     */\n    function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {\n      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n          arrLength = array.length,\n          othLength = other.length;\n\n      if (arrLength != othLength && !(isPartial && othLength > arrLength)) {\n        return false;\n      }\n      // Assume cyclic values are equal.\n      var stacked = stack.get(array);\n      if (stacked && stack.get(other)) {\n        return stacked == other;\n      }\n      var index = -1,\n          result = true,\n          seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined;\n\n      stack.set(array, other);\n      stack.set(other, array);\n\n      // Ignore non-index properties.\n      while (++index < arrLength) {\n        var arrValue = array[index],\n            othValue = other[index];\n\n        if (customizer) {\n          var compared = isPartial\n            ? customizer(othValue, arrValue, index, other, array, stack)\n            : customizer(arrValue, othValue, index, array, other, stack);\n        }\n        if (compared !== undefined) {\n          if (compared) {\n            continue;\n          }\n          result = false;\n          break;\n        }\n        // Recursively compare arrays (susceptible to call stack limits).\n        if (seen) {\n          if (!arraySome(other, function(othValue, othIndex) {\n                if (!cacheHas(seen, othIndex) &&\n                    (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {\n                  return seen.push(othIndex);\n                }\n              })) {\n            result = false;\n            break;\n          }\n        } else if (!(\n              arrValue === othValue ||\n                equalFunc(arrValue, othValue, bitmask, customizer, stack)\n            )) {\n          result = false;\n          break;\n        }\n      }\n      stack['delete'](array);\n      stack['delete'](other);\n      return result;\n    }\n\n    /**\n     * A specialized version of `baseIsEqualDeep` for comparing objects of\n     * the same `toStringTag`.\n     *\n     * **Note:** This function only supports comparing values with tags of\n     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {string} tag The `toStringTag` of the objects to compare.\n     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n     * @param {Function} customizer The function to customize comparisons.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Object} stack Tracks traversed `object` and `other` objects.\n     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n     */\n    function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {\n      switch (tag) {\n        case dataViewTag:\n          if ((object.byteLength != other.byteLength) ||\n              (object.byteOffset != other.byteOffset)) {\n            return false;\n          }\n          object = object.buffer;\n          other = other.buffer;\n\n        case arrayBufferTag:\n          if ((object.byteLength != other.byteLength) ||\n              !equalFunc(new Uint8Array(object), new Uint8Array(other))) {\n            return false;\n          }\n          return true;\n\n        case boolTag:\n        case dateTag:\n        case numberTag:\n          // Coerce booleans to `1` or `0` and dates to milliseconds.\n          // Invalid dates are coerced to `NaN`.\n          return eq(+object, +other);\n\n        case errorTag:\n          return object.name == other.name && object.message == other.message;\n\n        case regexpTag:\n        case stringTag:\n          // Coerce regexes to strings and treat strings, primitives and objects,\n          // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring\n          // for more details.\n          return object == (other + '');\n\n        case mapTag:\n          var convert = mapToArray;\n\n        case setTag:\n          var isPartial = bitmask & COMPARE_PARTIAL_FLAG;\n          convert || (convert = setToArray);\n\n          if (object.size != other.size && !isPartial) {\n            return false;\n          }\n          // Assume cyclic values are equal.\n          var stacked = stack.get(object);\n          if (stacked) {\n            return stacked == other;\n          }\n          bitmask |= COMPARE_UNORDERED_FLAG;\n\n          // Recursively compare objects (susceptible to call stack limits).\n          stack.set(object, other);\n          var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);\n          stack['delete'](object);\n          return result;\n\n        case symbolTag:\n          if (symbolValueOf) {\n            return symbolValueOf.call(object) == symbolValueOf.call(other);\n          }\n      }\n      return false;\n    }\n\n    /**\n     * A specialized version of `baseIsEqualDeep` for objects with support for\n     * partial deep comparisons.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n     * @param {Function} customizer The function to customize comparisons.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Object} stack Tracks traversed `object` and `other` objects.\n     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n     */\n    function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {\n      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n          objProps = getAllKeys(object),\n          objLength = objProps.length,\n          othProps = getAllKeys(other),\n          othLength = othProps.length;\n\n      if (objLength != othLength && !isPartial) {\n        return false;\n      }\n      var index = objLength;\n      while (index--) {\n        var key = objProps[index];\n        if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {\n          return false;\n        }\n      }\n      // Assume cyclic values are equal.\n      var stacked = stack.get(object);\n      if (stacked && stack.get(other)) {\n        return stacked == other;\n      }\n      var result = true;\n      stack.set(object, other);\n      stack.set(other, object);\n\n      var skipCtor = isPartial;\n      while (++index < objLength) {\n        key = objProps[index];\n        var objValue = object[key],\n            othValue = other[key];\n\n        if (customizer) {\n          var compared = isPartial\n            ? customizer(othValue, objValue, key, other, object, stack)\n            : customizer(objValue, othValue, key, object, other, stack);\n        }\n        // Recursively compare objects (susceptible to call stack limits).\n        if (!(compared === undefined\n              ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))\n              : compared\n            )) {\n          result = false;\n          break;\n        }\n        skipCtor || (skipCtor = key == 'constructor');\n      }\n      if (result && !skipCtor) {\n        var objCtor = object.constructor,\n            othCtor = other.constructor;\n\n        // Non `Object` object instances with different constructors are not equal.\n        if (objCtor != othCtor &&\n            ('constructor' in object && 'constructor' in other) &&\n            !(typeof objCtor == 'function' && objCtor instanceof objCtor &&\n              typeof othCtor == 'function' && othCtor instanceof othCtor)) {\n          result = false;\n        }\n      }\n      stack['delete'](object);\n      stack['delete'](other);\n      return result;\n    }\n\n    /**\n     * A specialized version of `baseRest` which flattens the rest array.\n     *\n     * @private\n     * @param {Function} func The function to apply a rest parameter to.\n     * @returns {Function} Returns the new function.\n     */\n    function flatRest(func) {\n      return setToString(overRest(func, undefined, flatten), func + '');\n    }\n\n    /**\n     * Creates an array of own enumerable property names and symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names and symbols.\n     */\n    function getAllKeys(object) {\n      return baseGetAllKeys(object, keys, getSymbols);\n    }\n\n    /**\n     * Creates an array of own and inherited enumerable property names and\n     * symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names and symbols.\n     */\n    function getAllKeysIn(object) {\n      return baseGetAllKeys(object, keysIn, getSymbolsIn);\n    }\n\n    /**\n     * Gets metadata for `func`.\n     *\n     * @private\n     * @param {Function} func The function to query.\n     * @returns {*} Returns the metadata for `func`.\n     */\n    var getData = !metaMap ? noop : function(func) {\n      return metaMap.get(func);\n    };\n\n    /**\n     * Gets the name of `func`.\n     *\n     * @private\n     * @param {Function} func The function to query.\n     * @returns {string} Returns the function name.\n     */\n    function getFuncName(func) {\n      var result = (func.name + ''),\n          array = realNames[result],\n          length = hasOwnProperty.call(realNames, result) ? array.length : 0;\n\n      while (length--) {\n        var data = array[length],\n            otherFunc = data.func;\n        if (otherFunc == null || otherFunc == func) {\n          return data.name;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Gets the argument placeholder value for `func`.\n     *\n     * @private\n     * @param {Function} func The function to inspect.\n     * @returns {*} Returns the placeholder value.\n     */\n    function getHolder(func) {\n      var object = hasOwnProperty.call(lodash, 'placeholder') ? lodash : func;\n      return object.placeholder;\n    }\n\n    /**\n     * Gets the appropriate \"iteratee\" function. If `_.iteratee` is customized,\n     * this function returns the custom method, otherwise it returns `baseIteratee`.\n     * If arguments are provided, the chosen function is invoked with them and\n     * its result is returned.\n     *\n     * @private\n     * @param {*} [value] The value to convert to an iteratee.\n     * @param {number} [arity] The arity of the created iteratee.\n     * @returns {Function} Returns the chosen function or its result.\n     */\n    function getIteratee() {\n      var result = lodash.iteratee || iteratee;\n      result = result === iteratee ? baseIteratee : result;\n      return arguments.length ? result(arguments[0], arguments[1]) : result;\n    }\n\n    /**\n     * Gets the data for `map`.\n     *\n     * @private\n     * @param {Object} map The map to query.\n     * @param {string} key The reference key.\n     * @returns {*} Returns the map data.\n     */\n    function getMapData(map, key) {\n      var data = map.__data__;\n      return isKeyable(key)\n        ? data[typeof key == 'string' ? 'string' : 'hash']\n        : data.map;\n    }\n\n    /**\n     * Gets the property names, values, and compare flags of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the match data of `object`.\n     */\n    function getMatchData(object) {\n      var result = keys(object),\n          length = result.length;\n\n      while (length--) {\n        var key = result[length],\n            value = object[key];\n\n        result[length] = [key, value, isStrictComparable(value)];\n      }\n      return result;\n    }\n\n    /**\n     * Gets the native function at `key` of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {string} key The key of the method to get.\n     * @returns {*} Returns the function if it's native, else `undefined`.\n     */\n    function getNative(object, key) {\n      var value = getValue(object, key);\n      return baseIsNative(value) ? value : undefined;\n    }\n\n    /**\n     * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.\n     *\n     * @private\n     * @param {*} value The value to query.\n     * @returns {string} Returns the raw `toStringTag`.\n     */\n    function getRawTag(value) {\n      var isOwn = hasOwnProperty.call(value, symToStringTag),\n          tag = value[symToStringTag];\n\n      try {\n        value[symToStringTag] = undefined;\n        var unmasked = true;\n      } catch (e) {}\n\n      var result = nativeObjectToString.call(value);\n      if (unmasked) {\n        if (isOwn) {\n          value[symToStringTag] = tag;\n        } else {\n          delete value[symToStringTag];\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Creates an array of the own enumerable symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of symbols.\n     */\n    var getSymbols = !nativeGetSymbols ? stubArray : function(object) {\n      if (object == null) {\n        return [];\n      }\n      object = Object(object);\n      return arrayFilter(nativeGetSymbols(object), function(symbol) {\n        return propertyIsEnumerable.call(object, symbol);\n      });\n    };\n\n    /**\n     * Creates an array of the own and inherited enumerable symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of symbols.\n     */\n    var getSymbolsIn = !nativeGetSymbols ? stubArray : function(object) {\n      var result = [];\n      while (object) {\n        arrayPush(result, getSymbols(object));\n        object = getPrototype(object);\n      }\n      return result;\n    };\n\n    /**\n     * Gets the `toStringTag` of `value`.\n     *\n     * @private\n     * @param {*} value The value to query.\n     * @returns {string} Returns the `toStringTag`.\n     */\n    var getTag = baseGetTag;\n\n    // Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.\n    if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||\n        (Map && getTag(new Map) != mapTag) ||\n        (Promise && getTag(Promise.resolve()) != promiseTag) ||\n        (Set && getTag(new Set) != setTag) ||\n        (WeakMap && getTag(new WeakMap) != weakMapTag)) {\n      getTag = function(value) {\n        var result = baseGetTag(value),\n            Ctor = result == objectTag ? value.constructor : undefined,\n            ctorString = Ctor ? toSource(Ctor) : '';\n\n        if (ctorString) {\n          switch (ctorString) {\n            case dataViewCtorString: return dataViewTag;\n            case mapCtorString: return mapTag;\n            case promiseCtorString: return promiseTag;\n            case setCtorString: return setTag;\n            case weakMapCtorString: return weakMapTag;\n          }\n        }\n        return result;\n      };\n    }\n\n    /**\n     * Gets the view, applying any `transforms` to the `start` and `end` positions.\n     *\n     * @private\n     * @param {number} start The start of the view.\n     * @param {number} end The end of the view.\n     * @param {Array} transforms The transformations to apply to the view.\n     * @returns {Object} Returns an object containing the `start` and `end`\n     *  positions of the view.\n     */\n    function getView(start, end, transforms) {\n      var index = -1,\n          length = transforms.length;\n\n      while (++index < length) {\n        var data = transforms[index],\n            size = data.size;\n\n        switch (data.type) {\n          case 'drop':      start += size; break;\n          case 'dropRight': end -= size; break;\n          case 'take':      end = nativeMin(end, start + size); break;\n          case 'takeRight': start = nativeMax(start, end - size); break;\n        }\n      }\n      return { 'start': start, 'end': end };\n    }\n\n    /**\n     * Extracts wrapper details from the `source` body comment.\n     *\n     * @private\n     * @param {string} source The source to inspect.\n     * @returns {Array} Returns the wrapper details.\n     */\n    function getWrapDetails(source) {\n      var match = source.match(reWrapDetails);\n      return match ? match[1].split(reSplitDetails) : [];\n    }\n\n    /**\n     * Checks if `path` exists on `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path to check.\n     * @param {Function} hasFunc The function to check properties.\n     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n     */\n    function hasPath(object, path, hasFunc) {\n      path = castPath(path, object);\n\n      var index = -1,\n          length = path.length,\n          result = false;\n\n      while (++index < length) {\n        var key = toKey(path[index]);\n        if (!(result = object != null && hasFunc(object, key))) {\n          break;\n        }\n        object = object[key];\n      }\n      if (result || ++index != length) {\n        return result;\n      }\n      length = object == null ? 0 : object.length;\n      return !!length && isLength(length) && isIndex(key, length) &&\n        (isArray(object) || isArguments(object));\n    }\n\n    /**\n     * Initializes an array clone.\n     *\n     * @private\n     * @param {Array} array The array to clone.\n     * @returns {Array} Returns the initialized clone.\n     */\n    function initCloneArray(array) {\n      var length = array.length,\n          result = new array.constructor(length);\n\n      // Add properties assigned by `RegExp#exec`.\n      if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {\n        result.index = array.index;\n        result.input = array.input;\n      }\n      return result;\n    }\n\n    /**\n     * Initializes an object clone.\n     *\n     * @private\n     * @param {Object} object The object to clone.\n     * @returns {Object} Returns the initialized clone.\n     */\n    function initCloneObject(object) {\n      return (typeof object.constructor == 'function' && !isPrototype(object))\n        ? baseCreate(getPrototype(object))\n        : {};\n    }\n\n    /**\n     * Initializes an object clone based on its `toStringTag`.\n     *\n     * **Note:** This function only supports cloning values with tags of\n     * `Boolean`, `Date`, `Error`, `Map`, `Number`, `RegExp`, `Set`, or `String`.\n     *\n     * @private\n     * @param {Object} object The object to clone.\n     * @param {string} tag The `toStringTag` of the object to clone.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the initialized clone.\n     */\n    function initCloneByTag(object, tag, isDeep) {\n      var Ctor = object.constructor;\n      switch (tag) {\n        case arrayBufferTag:\n          return cloneArrayBuffer(object);\n\n        case boolTag:\n        case dateTag:\n          return new Ctor(+object);\n\n        case dataViewTag:\n          return cloneDataView(object, isDeep);\n\n        case float32Tag: case float64Tag:\n        case int8Tag: case int16Tag: case int32Tag:\n        case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:\n          return cloneTypedArray(object, isDeep);\n\n        case mapTag:\n          return new Ctor;\n\n        case numberTag:\n        case stringTag:\n          return new Ctor(object);\n\n        case regexpTag:\n          return cloneRegExp(object);\n\n        case setTag:\n          return new Ctor;\n\n        case symbolTag:\n          return cloneSymbol(object);\n      }\n    }\n\n    /**\n     * Inserts wrapper `details` in a comment at the top of the `source` body.\n     *\n     * @private\n     * @param {string} source The source to modify.\n     * @returns {Array} details The details to insert.\n     * @returns {string} Returns the modified source.\n     */\n    function insertWrapDetails(source, details) {\n      var length = details.length;\n      if (!length) {\n        return source;\n      }\n      var lastIndex = length - 1;\n      details[lastIndex] = (length > 1 ? '& ' : '') + details[lastIndex];\n      details = details.join(length > 2 ? ', ' : ' ');\n      return source.replace(reWrapComment, '{\\n/* [wrapped with ' + details + '] */\\n');\n    }\n\n    /**\n     * Checks if `value` is a flattenable `arguments` object or array.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is flattenable, else `false`.\n     */\n    function isFlattenable(value) {\n      return isArray(value) || isArguments(value) ||\n        !!(spreadableSymbol && value && value[spreadableSymbol]);\n    }\n\n    /**\n     * Checks if `value` is a valid array-like index.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.\n     * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.\n     */\n    function isIndex(value, length) {\n      var type = typeof value;\n      length = length == null ? MAX_SAFE_INTEGER : length;\n\n      return !!length &&\n        (type == 'number' ||\n          (type != 'symbol' && reIsUint.test(value))) &&\n            (value > -1 && value % 1 == 0 && value < length);\n    }\n\n    /**\n     * Checks if the given arguments are from an iteratee call.\n     *\n     * @private\n     * @param {*} value The potential iteratee value argument.\n     * @param {*} index The potential iteratee index or key argument.\n     * @param {*} object The potential iteratee object argument.\n     * @returns {boolean} Returns `true` if the arguments are from an iteratee call,\n     *  else `false`.\n     */\n    function isIterateeCall(value, index, object) {\n      if (!isObject(object)) {\n        return false;\n      }\n      var type = typeof index;\n      if (type == 'number'\n            ? (isArrayLike(object) && isIndex(index, object.length))\n            : (type == 'string' && index in object)\n          ) {\n        return eq(object[index], value);\n      }\n      return false;\n    }\n\n    /**\n     * Checks if `value` is a property name and not a property path.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @param {Object} [object] The object to query keys on.\n     * @returns {boolean} Returns `true` if `value` is a property name, else `false`.\n     */\n    function isKey(value, object) {\n      if (isArray(value)) {\n        return false;\n      }\n      var type = typeof value;\n      if (type == 'number' || type == 'symbol' || type == 'boolean' ||\n          value == null || isSymbol(value)) {\n        return true;\n      }\n      return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||\n        (object != null && value in Object(object));\n    }\n\n    /**\n     * Checks if `value` is suitable for use as unique object key.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is suitable, else `false`.\n     */\n    function isKeyable(value) {\n      var type = typeof value;\n      return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')\n        ? (value !== '__proto__')\n        : (value === null);\n    }\n\n    /**\n     * Checks if `func` has a lazy counterpart.\n     *\n     * @private\n     * @param {Function} func The function to check.\n     * @returns {boolean} Returns `true` if `func` has a lazy counterpart,\n     *  else `false`.\n     */\n    function isLaziable(func) {\n      var funcName = getFuncName(func),\n          other = lodash[funcName];\n\n      if (typeof other != 'function' || !(funcName in LazyWrapper.prototype)) {\n        return false;\n      }\n      if (func === other) {\n        return true;\n      }\n      var data = getData(other);\n      return !!data && func === data[0];\n    }\n\n    /**\n     * Checks if `func` has its source masked.\n     *\n     * @private\n     * @param {Function} func The function to check.\n     * @returns {boolean} Returns `true` if `func` is masked, else `false`.\n     */\n    function isMasked(func) {\n      return !!maskSrcKey && (maskSrcKey in func);\n    }\n\n    /**\n     * Checks if `func` is capable of being masked.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `func` is maskable, else `false`.\n     */\n    var isMaskable = coreJsData ? isFunction : stubFalse;\n\n    /**\n     * Checks if `value` is likely a prototype object.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.\n     */\n    function isPrototype(value) {\n      var Ctor = value && value.constructor,\n          proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;\n\n      return value === proto;\n    }\n\n    /**\n     * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` if suitable for strict\n     *  equality comparisons, else `false`.\n     */\n    function isStrictComparable(value) {\n      return value === value && !isObject(value);\n    }\n\n    /**\n     * A specialized version of `matchesProperty` for source values suitable\n     * for strict equality comparisons, i.e. `===`.\n     *\n     * @private\n     * @param {string} key The key of the property to get.\n     * @param {*} srcValue The value to match.\n     * @returns {Function} Returns the new spec function.\n     */\n    function matchesStrictComparable(key, srcValue) {\n      return function(object) {\n        if (object == null) {\n          return false;\n        }\n        return object[key] === srcValue &&\n          (srcValue !== undefined || (key in Object(object)));\n      };\n    }\n\n    /**\n     * A specialized version of `_.memoize` which clears the memoized function's\n     * cache when it exceeds `MAX_MEMOIZE_SIZE`.\n     *\n     * @private\n     * @param {Function} func The function to have its output memoized.\n     * @returns {Function} Returns the new memoized function.\n     */\n    function memoizeCapped(func) {\n      var result = memoize(func, function(key) {\n        if (cache.size === MAX_MEMOIZE_SIZE) {\n          cache.clear();\n        }\n        return key;\n      });\n\n      var cache = result.cache;\n      return result;\n    }\n\n    /**\n     * Merges the function metadata of `source` into `data`.\n     *\n     * Merging metadata reduces the number of wrappers used to invoke a function.\n     * This is possible because methods like `_.bind`, `_.curry`, and `_.partial`\n     * may be applied regardless of execution order. Methods like `_.ary` and\n     * `_.rearg` modify function arguments, making the order in which they are\n     * executed important, preventing the merging of metadata. However, we make\n     * an exception for a safe combined case where curried functions have `_.ary`\n     * and or `_.rearg` applied.\n     *\n     * @private\n     * @param {Array} data The destination metadata.\n     * @param {Array} source The source metadata.\n     * @returns {Array} Returns `data`.\n     */\n    function mergeData(data, source) {\n      var bitmask = data[1],\n          srcBitmask = source[1],\n          newBitmask = bitmask | srcBitmask,\n          isCommon = newBitmask < (WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG | WRAP_ARY_FLAG);\n\n      var isCombo =\n        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_CURRY_FLAG)) ||\n        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_REARG_FLAG) && (data[7].length <= source[8])) ||\n        ((srcBitmask == (WRAP_ARY_FLAG | WRAP_REARG_FLAG)) && (source[7].length <= source[8]) && (bitmask == WRAP_CURRY_FLAG));\n\n      // Exit early if metadata can't be merged.\n      if (!(isCommon || isCombo)) {\n        return data;\n      }\n      // Use source `thisArg` if available.\n      if (srcBitmask & WRAP_BIND_FLAG) {\n        data[2] = source[2];\n        // Set when currying a bound function.\n        newBitmask |= bitmask & WRAP_BIND_FLAG ? 0 : WRAP_CURRY_BOUND_FLAG;\n      }\n      // Compose partial arguments.\n      var value = source[3];\n      if (value) {\n        var partials = data[3];\n        data[3] = partials ? composeArgs(partials, value, source[4]) : value;\n        data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : source[4];\n      }\n      // Compose partial right arguments.\n      value = source[5];\n      if (value) {\n        partials = data[5];\n        data[5] = partials ? composeArgsRight(partials, value, source[6]) : value;\n        data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : source[6];\n      }\n      // Use source `argPos` if available.\n      value = source[7];\n      if (value) {\n        data[7] = value;\n      }\n      // Use source `ary` if it's smaller.\n      if (srcBitmask & WRAP_ARY_FLAG) {\n        data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]);\n      }\n      // Use source `arity` if one is not provided.\n      if (data[9] == null) {\n        data[9] = source[9];\n      }\n      // Use source `func` and merge bitmasks.\n      data[0] = source[0];\n      data[1] = newBitmask;\n\n      return data;\n    }\n\n    /**\n     * This function is like\n     * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n     * except that it includes inherited enumerable properties.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     */\n    function nativeKeysIn(object) {\n      var result = [];\n      if (object != null) {\n        for (var key in Object(object)) {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Converts `value` to a string using `Object.prototype.toString`.\n     *\n     * @private\n     * @param {*} value The value to convert.\n     * @returns {string} Returns the converted string.\n     */\n    function objectToString(value) {\n      return nativeObjectToString.call(value);\n    }\n\n    /**\n     * A specialized version of `baseRest` which transforms the rest array.\n     *\n     * @private\n     * @param {Function} func The function to apply a rest parameter to.\n     * @param {number} [start=func.length-1] The start position of the rest parameter.\n     * @param {Function} transform The rest array transform.\n     * @returns {Function} Returns the new function.\n     */\n    function overRest(func, start, transform) {\n      start = nativeMax(start === undefined ? (func.length - 1) : start, 0);\n      return function() {\n        var args = arguments,\n            index = -1,\n            length = nativeMax(args.length - start, 0),\n            array = Array(length);\n\n        while (++index < length) {\n          array[index] = args[start + index];\n        }\n        index = -1;\n        var otherArgs = Array(start + 1);\n        while (++index < start) {\n          otherArgs[index] = args[index];\n        }\n        otherArgs[start] = transform(array);\n        return apply(func, this, otherArgs);\n      };\n    }\n\n    /**\n     * Gets the parent value at `path` of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array} path The path to get the parent value of.\n     * @returns {*} Returns the parent value.\n     */\n    function parent(object, path) {\n      return path.length < 2 ? object : baseGet(object, baseSlice(path, 0, -1));\n    }\n\n    /**\n     * Reorder `array` according to the specified indexes where the element at\n     * the first index is assigned as the first element, the element at\n     * the second index is assigned as the second element, and so on.\n     *\n     * @private\n     * @param {Array} array The array to reorder.\n     * @param {Array} indexes The arranged array indexes.\n     * @returns {Array} Returns `array`.\n     */\n    function reorder(array, indexes) {\n      var arrLength = array.length,\n          length = nativeMin(indexes.length, arrLength),\n          oldArray = copyArray(array);\n\n      while (length--) {\n        var index = indexes[length];\n        array[length] = isIndex(index, arrLength) ? oldArray[index] : undefined;\n      }\n      return array;\n    }\n\n    /**\n     * Gets the value at `key`, unless `key` is \"__proto__\" or \"constructor\".\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {string} key The key of the property to get.\n     * @returns {*} Returns the property value.\n     */\n    function safeGet(object, key) {\n      if (key === 'constructor' && typeof object[key] === 'function') {\n        return;\n      }\n\n      if (key == '__proto__') {\n        return;\n      }\n\n      return object[key];\n    }\n\n    /**\n     * Sets metadata for `func`.\n     *\n     * **Note:** If this function becomes hot, i.e. is invoked a lot in a short\n     * period of time, it will trip its breaker and transition to an identity\n     * function to avoid garbage collection pauses in V8. See\n     * [V8 issue 2070](https://bugs.chromium.org/p/v8/issues/detail?id=2070)\n     * for more details.\n     *\n     * @private\n     * @param {Function} func The function to associate metadata with.\n     * @param {*} data The metadata.\n     * @returns {Function} Returns `func`.\n     */\n    var setData = shortOut(baseSetData);\n\n    /**\n     * A simple wrapper around the global [`setTimeout`](https://mdn.io/setTimeout).\n     *\n     * @private\n     * @param {Function} func The function to delay.\n     * @param {number} wait The number of milliseconds to delay invocation.\n     * @returns {number|Object} Returns the timer id or timeout object.\n     */\n    var setTimeout = ctxSetTimeout || function(func, wait) {\n      return root.setTimeout(func, wait);\n    };\n\n    /**\n     * Sets the `toString` method of `func` to return `string`.\n     *\n     * @private\n     * @param {Function} func The function to modify.\n     * @param {Function} string The `toString` result.\n     * @returns {Function} Returns `func`.\n     */\n    var setToString = shortOut(baseSetToString);\n\n    /**\n     * Sets the `toString` method of `wrapper` to mimic the source of `reference`\n     * with wrapper details in a comment at the top of the source body.\n     *\n     * @private\n     * @param {Function} wrapper The function to modify.\n     * @param {Function} reference The reference function.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @returns {Function} Returns `wrapper`.\n     */\n    function setWrapToString(wrapper, reference, bitmask) {\n      var source = (reference + '');\n      return setToString(wrapper, insertWrapDetails(source, updateWrapDetails(getWrapDetails(source), bitmask)));\n    }\n\n    /**\n     * Creates a function that'll short out and invoke `identity` instead\n     * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`\n     * milliseconds.\n     *\n     * @private\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new shortable function.\n     */\n    function shortOut(func) {\n      var count = 0,\n          lastCalled = 0;\n\n      return function() {\n        var stamp = nativeNow(),\n            remaining = HOT_SPAN - (stamp - lastCalled);\n\n        lastCalled = stamp;\n        if (remaining > 0) {\n          if (++count >= HOT_COUNT) {\n            return arguments[0];\n          }\n        } else {\n          count = 0;\n        }\n        return func.apply(undefined, arguments);\n      };\n    }\n\n    /**\n     * A specialized version of `_.shuffle` which mutates and sets the size of `array`.\n     *\n     * @private\n     * @param {Array} array The array to shuffle.\n     * @param {number} [size=array.length] The size of `array`.\n     * @returns {Array} Returns `array`.\n     */\n    function shuffleSelf(array, size) {\n      var index = -1,\n          length = array.length,\n          lastIndex = length - 1;\n\n      size = size === undefined ? length : size;\n      while (++index < size) {\n        var rand = baseRandom(index, lastIndex),\n            value = array[rand];\n\n        array[rand] = array[index];\n        array[index] = value;\n      }\n      array.length = size;\n      return array;\n    }\n\n    /**\n     * Converts `string` to a property path array.\n     *\n     * @private\n     * @param {string} string The string to convert.\n     * @returns {Array} Returns the property path array.\n     */\n    var stringToPath = memoizeCapped(function(string) {\n      var result = [];\n      if (string.charCodeAt(0) === 46 /* . */) {\n        result.push('');\n      }\n      string.replace(rePropName, function(match, number, quote, subString) {\n        result.push(quote ? subString.replace(reEscapeChar, '$1') : (number || match));\n      });\n      return result;\n    });\n\n    /**\n     * Converts `value` to a string key if it's not a string or symbol.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @returns {string|symbol} Returns the key.\n     */\n    function toKey(value) {\n      if (typeof value == 'string' || isSymbol(value)) {\n        return value;\n      }\n      var result = (value + '');\n      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n    }\n\n    /**\n     * Converts `func` to its source code.\n     *\n     * @private\n     * @param {Function} func The function to convert.\n     * @returns {string} Returns the source code.\n     */\n    function toSource(func) {\n      if (func != null) {\n        try {\n          return funcToString.call(func);\n        } catch (e) {}\n        try {\n          return (func + '');\n        } catch (e) {}\n      }\n      return '';\n    }\n\n    /**\n     * Updates wrapper `details` based on `bitmask` flags.\n     *\n     * @private\n     * @returns {Array} details The details to modify.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @returns {Array} Returns `details`.\n     */\n    function updateWrapDetails(details, bitmask) {\n      arrayEach(wrapFlags, function(pair) {\n        var value = '_.' + pair[0];\n        if ((bitmask & pair[1]) && !arrayIncludes(details, value)) {\n          details.push(value);\n        }\n      });\n      return details.sort();\n    }\n\n    /**\n     * Creates a clone of `wrapper`.\n     *\n     * @private\n     * @param {Object} wrapper The wrapper to clone.\n     * @returns {Object} Returns the cloned wrapper.\n     */\n    function wrapperClone(wrapper) {\n      if (wrapper instanceof LazyWrapper) {\n        return wrapper.clone();\n      }\n      var result = new LodashWrapper(wrapper.__wrapped__, wrapper.__chain__);\n      result.__actions__ = copyArray(wrapper.__actions__);\n      result.__index__  = wrapper.__index__;\n      result.__values__ = wrapper.__values__;\n      return result;\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an array of elements split into groups the length of `size`.\n     * If `array` can't be split evenly, the final chunk will be the remaining\n     * elements.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to process.\n     * @param {number} [size=1] The length of each chunk\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the new array of chunks.\n     * @example\n     *\n     * _.chunk(['a', 'b', 'c', 'd'], 2);\n     * // => [['a', 'b'], ['c', 'd']]\n     *\n     * _.chunk(['a', 'b', 'c', 'd'], 3);\n     * // => [['a', 'b', 'c'], ['d']]\n     */\n    function chunk(array, size, guard) {\n      if ((guard ? isIterateeCall(array, size, guard) : size === undefined)) {\n        size = 1;\n      } else {\n        size = nativeMax(toInteger(size), 0);\n      }\n      var length = array == null ? 0 : array.length;\n      if (!length || size < 1) {\n        return [];\n      }\n      var index = 0,\n          resIndex = 0,\n          result = Array(nativeCeil(length / size));\n\n      while (index < length) {\n        result[resIndex++] = baseSlice(array, index, (index += size));\n      }\n      return result;\n    }\n\n    /**\n     * Creates an array with all falsey values removed. The values `false`, `null`,\n     * `0`, `\"\"`, `undefined`, and `NaN` are falsey.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to compact.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * _.compact([0, 1, false, 2, '', 3]);\n     * // => [1, 2, 3]\n     */\n    function compact(array) {\n      var index = -1,\n          length = array == null ? 0 : array.length,\n          resIndex = 0,\n          result = [];\n\n      while (++index < length) {\n        var value = array[index];\n        if (value) {\n          result[resIndex++] = value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Creates a new array concatenating `array` with any additional arrays\n     * and/or values.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to concatenate.\n     * @param {...*} [values] The values to concatenate.\n     * @returns {Array} Returns the new concatenated array.\n     * @example\n     *\n     * var array = [1];\n     * var other = _.concat(array, 2, [3], [[4]]);\n     *\n     * console.log(other);\n     * // => [1, 2, 3, [4]]\n     *\n     * console.log(array);\n     * // => [1]\n     */\n    function concat() {\n      var length = arguments.length;\n      if (!length) {\n        return [];\n      }\n      var args = Array(length - 1),\n          array = arguments[0],\n          index = length;\n\n      while (index--) {\n        args[index - 1] = arguments[index];\n      }\n      return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1));\n    }\n\n    /**\n     * Creates an array of `array` values not included in the other given arrays\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons. The order and references of result values are\n     * determined by the first array.\n     *\n     * **Note:** Unlike `_.pullAll`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...Array} [values] The values to exclude.\n     * @returns {Array} Returns the new array of filtered values.\n     * @see _.without, _.xor\n     * @example\n     *\n     * _.difference([2, 1], [2, 3]);\n     * // => [1]\n     */\n    var difference = baseRest(function(array, values) {\n      return isArrayLikeObject(array)\n        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true))\n        : [];\n    });\n\n    /**\n     * This method is like `_.difference` except that it accepts `iteratee` which\n     * is invoked for each element of `array` and `values` to generate the criterion\n     * by which they're compared. The order and references of result values are\n     * determined by the first array. The iteratee is invoked with one argument:\n     * (value).\n     *\n     * **Note:** Unlike `_.pullAllBy`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...Array} [values] The values to exclude.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * _.differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n     * // => [1.2]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x');\n     * // => [{ 'x': 2 }]\n     */\n    var differenceBy = baseRest(function(array, values) {\n      var iteratee = last(values);\n      if (isArrayLikeObject(iteratee)) {\n        iteratee = undefined;\n      }\n      return isArrayLikeObject(array)\n        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), getIteratee(iteratee, 2))\n        : [];\n    });\n\n    /**\n     * This method is like `_.difference` except that it accepts `comparator`\n     * which is invoked to compare elements of `array` to `values`. The order and\n     * references of result values are determined by the first array. The comparator\n     * is invoked with two arguments: (arrVal, othVal).\n     *\n     * **Note:** Unlike `_.pullAllWith`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...Array} [values] The values to exclude.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n     *\n     * _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], _.isEqual);\n     * // => [{ 'x': 2, 'y': 1 }]\n     */\n    var differenceWith = baseRest(function(array, values) {\n      var comparator = last(values);\n      if (isArrayLikeObject(comparator)) {\n        comparator = undefined;\n      }\n      return isArrayLikeObject(array)\n        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), undefined, comparator)\n        : [];\n    });\n\n    /**\n     * Creates a slice of `array` with `n` elements dropped from the beginning.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.5.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to drop.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.drop([1, 2, 3]);\n     * // => [2, 3]\n     *\n     * _.drop([1, 2, 3], 2);\n     * // => [3]\n     *\n     * _.drop([1, 2, 3], 5);\n     * // => []\n     *\n     * _.drop([1, 2, 3], 0);\n     * // => [1, 2, 3]\n     */\n    function drop(array, n, guard) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      n = (guard || n === undefined) ? 1 : toInteger(n);\n      return baseSlice(array, n < 0 ? 0 : n, length);\n    }\n\n    /**\n     * Creates a slice of `array` with `n` elements dropped from the end.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to drop.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.dropRight([1, 2, 3]);\n     * // => [1, 2]\n     *\n     * _.dropRight([1, 2, 3], 2);\n     * // => [1]\n     *\n     * _.dropRight([1, 2, 3], 5);\n     * // => []\n     *\n     * _.dropRight([1, 2, 3], 0);\n     * // => [1, 2, 3]\n     */\n    function dropRight(array, n, guard) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      n = (guard || n === undefined) ? 1 : toInteger(n);\n      n = length - n;\n      return baseSlice(array, 0, n < 0 ? 0 : n);\n    }\n\n    /**\n     * Creates a slice of `array` excluding elements dropped from the end.\n     * Elements are dropped until `predicate` returns falsey. The predicate is\n     * invoked with three arguments: (value, index, array).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': true },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': false }\n     * ];\n     *\n     * _.dropRightWhile(users, function(o) { return !o.active; });\n     * // => objects for ['barney']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.dropRightWhile(users, { 'user': 'pebbles', 'active': false });\n     * // => objects for ['barney', 'fred']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.dropRightWhile(users, ['active', false]);\n     * // => objects for ['barney']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.dropRightWhile(users, 'active');\n     * // => objects for ['barney', 'fred', 'pebbles']\n     */\n    function dropRightWhile(array, predicate) {\n      return (array && array.length)\n        ? baseWhile(array, getIteratee(predicate, 3), true, true)\n        : [];\n    }\n\n    /**\n     * Creates a slice of `array` excluding elements dropped from the beginning.\n     * Elements are dropped until `predicate` returns falsey. The predicate is\n     * invoked with three arguments: (value, index, array).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': false },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': true }\n     * ];\n     *\n     * _.dropWhile(users, function(o) { return !o.active; });\n     * // => objects for ['pebbles']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.dropWhile(users, { 'user': 'barney', 'active': false });\n     * // => objects for ['fred', 'pebbles']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.dropWhile(users, ['active', false]);\n     * // => objects for ['pebbles']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.dropWhile(users, 'active');\n     * // => objects for ['barney', 'fred', 'pebbles']\n     */\n    function dropWhile(array, predicate) {\n      return (array && array.length)\n        ? baseWhile(array, getIteratee(predicate, 3), true)\n        : [];\n    }\n\n    /**\n     * Fills elements of `array` with `value` from `start` up to, but not\n     * including, `end`.\n     *\n     * **Note:** This method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.2.0\n     * @category Array\n     * @param {Array} array The array to fill.\n     * @param {*} value The value to fill `array` with.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [1, 2, 3];\n     *\n     * _.fill(array, 'a');\n     * console.log(array);\n     * // => ['a', 'a', 'a']\n     *\n     * _.fill(Array(3), 2);\n     * // => [2, 2, 2]\n     *\n     * _.fill([4, 6, 8, 10], '*', 1, 3);\n     * // => [4, '*', '*', 10]\n     */\n    function fill(array, value, start, end) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      if (start && typeof start != 'number' && isIterateeCall(array, value, start)) {\n        start = 0;\n        end = length;\n      }\n      return baseFill(array, value, start, end);\n    }\n\n    /**\n     * This method is like `_.find` except that it returns the index of the first\n     * element `predicate` returns truthy for instead of the element itself.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @returns {number} Returns the index of the found element, else `-1`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': false },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': true }\n     * ];\n     *\n     * _.findIndex(users, function(o) { return o.user == 'barney'; });\n     * // => 0\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.findIndex(users, { 'user': 'fred', 'active': false });\n     * // => 1\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.findIndex(users, ['active', false]);\n     * // => 0\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.findIndex(users, 'active');\n     * // => 2\n     */\n    function findIndex(array, predicate, fromIndex) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return -1;\n      }\n      var index = fromIndex == null ? 0 : toInteger(fromIndex);\n      if (index < 0) {\n        index = nativeMax(length + index, 0);\n      }\n      return baseFindIndex(array, getIteratee(predicate, 3), index);\n    }\n\n    /**\n     * This method is like `_.findIndex` except that it iterates over elements\n     * of `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param {number} [fromIndex=array.length-1] The index to search from.\n     * @returns {number} Returns the index of the found element, else `-1`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': true },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': false }\n     * ];\n     *\n     * _.findLastIndex(users, function(o) { return o.user == 'pebbles'; });\n     * // => 2\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.findLastIndex(users, { 'user': 'barney', 'active': true });\n     * // => 0\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.findLastIndex(users, ['active', false]);\n     * // => 2\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.findLastIndex(users, 'active');\n     * // => 0\n     */\n    function findLastIndex(array, predicate, fromIndex) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return -1;\n      }\n      var index = length - 1;\n      if (fromIndex !== undefined) {\n        index = toInteger(fromIndex);\n        index = fromIndex < 0\n          ? nativeMax(length + index, 0)\n          : nativeMin(index, length - 1);\n      }\n      return baseFindIndex(array, getIteratee(predicate, 3), index, true);\n    }\n\n    /**\n     * Flattens `array` a single level deep.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to flatten.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * _.flatten([1, [2, [3, [4]], 5]]);\n     * // => [1, 2, [3, [4]], 5]\n     */\n    function flatten(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? baseFlatten(array, 1) : [];\n    }\n\n    /**\n     * Recursively flattens `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to flatten.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * _.flattenDeep([1, [2, [3, [4]], 5]]);\n     * // => [1, 2, 3, 4, 5]\n     */\n    function flattenDeep(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? baseFlatten(array, INFINITY) : [];\n    }\n\n    /**\n     * Recursively flatten `array` up to `depth` times.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.4.0\n     * @category Array\n     * @param {Array} array The array to flatten.\n     * @param {number} [depth=1] The maximum recursion depth.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * var array = [1, [2, [3, [4]], 5]];\n     *\n     * _.flattenDepth(array, 1);\n     * // => [1, 2, [3, [4]], 5]\n     *\n     * _.flattenDepth(array, 2);\n     * // => [1, 2, 3, [4], 5]\n     */\n    function flattenDepth(array, depth) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      depth = depth === undefined ? 1 : toInteger(depth);\n      return baseFlatten(array, depth);\n    }\n\n    /**\n     * The inverse of `_.toPairs`; this method returns an object composed\n     * from key-value `pairs`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} pairs The key-value pairs.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * _.fromPairs([['a', 1], ['b', 2]]);\n     * // => { 'a': 1, 'b': 2 }\n     */\n    function fromPairs(pairs) {\n      var index = -1,\n          length = pairs == null ? 0 : pairs.length,\n          result = {};\n\n      while (++index < length) {\n        var pair = pairs[index];\n        result[pair[0]] = pair[1];\n      }\n      return result;\n    }\n\n    /**\n     * Gets the first element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @alias first\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {*} Returns the first element of `array`.\n     * @example\n     *\n     * _.head([1, 2, 3]);\n     * // => 1\n     *\n     * _.head([]);\n     * // => undefined\n     */\n    function head(array) {\n      return (array && array.length) ? array[0] : undefined;\n    }\n\n    /**\n     * Gets the index at which the first occurrence of `value` is found in `array`\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons. If `fromIndex` is negative, it's used as the\n     * offset from the end of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {*} value The value to search for.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.indexOf([1, 2, 1, 2], 2);\n     * // => 1\n     *\n     * // Search from the `fromIndex`.\n     * _.indexOf([1, 2, 1, 2], 2, 2);\n     * // => 3\n     */\n    function indexOf(array, value, fromIndex) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return -1;\n      }\n      var index = fromIndex == null ? 0 : toInteger(fromIndex);\n      if (index < 0) {\n        index = nativeMax(length + index, 0);\n      }\n      return baseIndexOf(array, value, index);\n    }\n\n    /**\n     * Gets all but the last element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.initial([1, 2, 3]);\n     * // => [1, 2]\n     */\n    function initial(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? baseSlice(array, 0, -1) : [];\n    }\n\n    /**\n     * Creates an array of unique values that are included in all given arrays\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons. The order and references of result values are\n     * determined by the first array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @returns {Array} Returns the new array of intersecting values.\n     * @example\n     *\n     * _.intersection([2, 1], [2, 3]);\n     * // => [2]\n     */\n    var intersection = baseRest(function(arrays) {\n      var mapped = arrayMap(arrays, castArrayLikeObject);\n      return (mapped.length && mapped[0] === arrays[0])\n        ? baseIntersection(mapped)\n        : [];\n    });\n\n    /**\n     * This method is like `_.intersection` except that it accepts `iteratee`\n     * which is invoked for each element of each `arrays` to generate the criterion\n     * by which they're compared. The order and references of result values are\n     * determined by the first array. The iteratee is invoked with one argument:\n     * (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new array of intersecting values.\n     * @example\n     *\n     * _.intersectionBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n     * // => [2.1]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.intersectionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 1 }]\n     */\n    var intersectionBy = baseRest(function(arrays) {\n      var iteratee = last(arrays),\n          mapped = arrayMap(arrays, castArrayLikeObject);\n\n      if (iteratee === last(mapped)) {\n        iteratee = undefined;\n      } else {\n        mapped.pop();\n      }\n      return (mapped.length && mapped[0] === arrays[0])\n        ? baseIntersection(mapped, getIteratee(iteratee, 2))\n        : [];\n    });\n\n    /**\n     * This method is like `_.intersection` except that it accepts `comparator`\n     * which is invoked to compare elements of `arrays`. The order and references\n     * of result values are determined by the first array. The comparator is\n     * invoked with two arguments: (arrVal, othVal).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of intersecting values.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n     *\n     * _.intersectionWith(objects, others, _.isEqual);\n     * // => [{ 'x': 1, 'y': 2 }]\n     */\n    var intersectionWith = baseRest(function(arrays) {\n      var comparator = last(arrays),\n          mapped = arrayMap(arrays, castArrayLikeObject);\n\n      comparator = typeof comparator == 'function' ? comparator : undefined;\n      if (comparator) {\n        mapped.pop();\n      }\n      return (mapped.length && mapped[0] === arrays[0])\n        ? baseIntersection(mapped, undefined, comparator)\n        : [];\n    });\n\n    /**\n     * Converts all elements in `array` into a string separated by `separator`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to convert.\n     * @param {string} [separator=','] The element separator.\n     * @returns {string} Returns the joined string.\n     * @example\n     *\n     * _.join(['a', 'b', 'c'], '~');\n     * // => 'a~b~c'\n     */\n    function join(array, separator) {\n      return array == null ? '' : nativeJoin.call(array, separator);\n    }\n\n    /**\n     * Gets the last element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {*} Returns the last element of `array`.\n     * @example\n     *\n     * _.last([1, 2, 3]);\n     * // => 3\n     */\n    function last(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? array[length - 1] : undefined;\n    }\n\n    /**\n     * This method is like `_.indexOf` except that it iterates over elements of\n     * `array` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {*} value The value to search for.\n     * @param {number} [fromIndex=array.length-1] The index to search from.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.lastIndexOf([1, 2, 1, 2], 2);\n     * // => 3\n     *\n     * // Search from the `fromIndex`.\n     * _.lastIndexOf([1, 2, 1, 2], 2, 2);\n     * // => 1\n     */\n    function lastIndexOf(array, value, fromIndex) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return -1;\n      }\n      var index = length;\n      if (fromIndex !== undefined) {\n        index = toInteger(fromIndex);\n        index = index < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1);\n      }\n      return value === value\n        ? strictLastIndexOf(array, value, index)\n        : baseFindIndex(array, baseIsNaN, index, true);\n    }\n\n    /**\n     * Gets the element at index `n` of `array`. If `n` is negative, the nth\n     * element from the end is returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.11.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=0] The index of the element to return.\n     * @returns {*} Returns the nth element of `array`.\n     * @example\n     *\n     * var array = ['a', 'b', 'c', 'd'];\n     *\n     * _.nth(array, 1);\n     * // => 'b'\n     *\n     * _.nth(array, -2);\n     * // => 'c';\n     */\n    function nth(array, n) {\n      return (array && array.length) ? baseNth(array, toInteger(n)) : undefined;\n    }\n\n    /**\n     * Removes all given values from `array` using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * **Note:** Unlike `_.without`, this method mutates `array`. Use `_.remove`\n     * to remove elements from an array by predicate.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {...*} [values] The values to remove.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n     *\n     * _.pull(array, 'a', 'c');\n     * console.log(array);\n     * // => ['b', 'b']\n     */\n    var pull = baseRest(pullAll);\n\n    /**\n     * This method is like `_.pull` except that it accepts an array of values to remove.\n     *\n     * **Note:** Unlike `_.difference`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to remove.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n     *\n     * _.pullAll(array, ['a', 'c']);\n     * console.log(array);\n     * // => ['b', 'b']\n     */\n    function pullAll(array, values) {\n      return (array && array.length && values && values.length)\n        ? basePullAll(array, values)\n        : array;\n    }\n\n    /**\n     * This method is like `_.pullAll` except that it accepts `iteratee` which is\n     * invoked for each element of `array` and `values` to generate the criterion\n     * by which they're compared. The iteratee is invoked with one argument: (value).\n     *\n     * **Note:** Unlike `_.differenceBy`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to remove.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [{ 'x': 1 }, { 'x': 2 }, { 'x': 3 }, { 'x': 1 }];\n     *\n     * _.pullAllBy(array, [{ 'x': 1 }, { 'x': 3 }], 'x');\n     * console.log(array);\n     * // => [{ 'x': 2 }]\n     */\n    function pullAllBy(array, values, iteratee) {\n      return (array && array.length && values && values.length)\n        ? basePullAll(array, values, getIteratee(iteratee, 2))\n        : array;\n    }\n\n    /**\n     * This method is like `_.pullAll` except that it accepts `comparator` which\n     * is invoked to compare elements of `array` to `values`. The comparator is\n     * invoked with two arguments: (arrVal, othVal).\n     *\n     * **Note:** Unlike `_.differenceWith`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.6.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to remove.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [{ 'x': 1, 'y': 2 }, { 'x': 3, 'y': 4 }, { 'x': 5, 'y': 6 }];\n     *\n     * _.pullAllWith(array, [{ 'x': 3, 'y': 4 }], _.isEqual);\n     * console.log(array);\n     * // => [{ 'x': 1, 'y': 2 }, { 'x': 5, 'y': 6 }]\n     */\n    function pullAllWith(array, values, comparator) {\n      return (array && array.length && values && values.length)\n        ? basePullAll(array, values, undefined, comparator)\n        : array;\n    }\n\n    /**\n     * Removes elements from `array` corresponding to `indexes` and returns an\n     * array of removed elements.\n     *\n     * **Note:** Unlike `_.at`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {...(number|number[])} [indexes] The indexes of elements to remove.\n     * @returns {Array} Returns the new array of removed elements.\n     * @example\n     *\n     * var array = ['a', 'b', 'c', 'd'];\n     * var pulled = _.pullAt(array, [1, 3]);\n     *\n     * console.log(array);\n     * // => ['a', 'c']\n     *\n     * console.log(pulled);\n     * // => ['b', 'd']\n     */\n    var pullAt = flatRest(function(array, indexes) {\n      var length = array == null ? 0 : array.length,\n          result = baseAt(array, indexes);\n\n      basePullAt(array, arrayMap(indexes, function(index) {\n        return isIndex(index, length) ? +index : index;\n      }).sort(compareAscending));\n\n      return result;\n    });\n\n    /**\n     * Removes all elements from `array` that `predicate` returns truthy for\n     * and returns an array of the removed elements. The predicate is invoked\n     * with three arguments: (value, index, array).\n     *\n     * **Note:** Unlike `_.filter`, this method mutates `array`. Use `_.pull`\n     * to pull elements from an array by value.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new array of removed elements.\n     * @example\n     *\n     * var array = [1, 2, 3, 4];\n     * var evens = _.remove(array, function(n) {\n     *   return n % 2 == 0;\n     * });\n     *\n     * console.log(array);\n     * // => [1, 3]\n     *\n     * console.log(evens);\n     * // => [2, 4]\n     */\n    function remove(array, predicate) {\n      var result = [];\n      if (!(array && array.length)) {\n        return result;\n      }\n      var index = -1,\n          indexes = [],\n          length = array.length;\n\n      predicate = getIteratee(predicate, 3);\n      while (++index < length) {\n        var value = array[index];\n        if (predicate(value, index, array)) {\n          result.push(value);\n          indexes.push(index);\n        }\n      }\n      basePullAt(array, indexes);\n      return result;\n    }\n\n    /**\n     * Reverses `array` so that the first element becomes the last, the second\n     * element becomes the second to last, and so on.\n     *\n     * **Note:** This method mutates `array` and is based on\n     * [`Array#reverse`](https://mdn.io/Array/reverse).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [1, 2, 3];\n     *\n     * _.reverse(array);\n     * // => [3, 2, 1]\n     *\n     * console.log(array);\n     * // => [3, 2, 1]\n     */\n    function reverse(array) {\n      return array == null ? array : nativeReverse.call(array);\n    }\n\n    /**\n     * Creates a slice of `array` from `start` up to, but not including, `end`.\n     *\n     * **Note:** This method is used instead of\n     * [`Array#slice`](https://mdn.io/Array/slice) to ensure dense arrays are\n     * returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to slice.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns the slice of `array`.\n     */\n    function slice(array, start, end) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      if (end && typeof end != 'number' && isIterateeCall(array, start, end)) {\n        start = 0;\n        end = length;\n      }\n      else {\n        start = start == null ? 0 : toInteger(start);\n        end = end === undefined ? length : toInteger(end);\n      }\n      return baseSlice(array, start, end);\n    }\n\n    /**\n     * Uses a binary search to determine the lowest index at which `value`\n     * should be inserted into `array` in order to maintain its sort order.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * _.sortedIndex([30, 50], 40);\n     * // => 1\n     */\n    function sortedIndex(array, value) {\n      return baseSortedIndex(array, value);\n    }\n\n    /**\n     * This method is like `_.sortedIndex` except that it accepts `iteratee`\n     * which is invoked for `value` and each element of `array` to compute their\n     * sort ranking. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * var objects = [{ 'x': 4 }, { 'x': 5 }];\n     *\n     * _.sortedIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n     * // => 0\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.sortedIndexBy(objects, { 'x': 4 }, 'x');\n     * // => 0\n     */\n    function sortedIndexBy(array, value, iteratee) {\n      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2));\n    }\n\n    /**\n     * This method is like `_.indexOf` except that it performs a binary\n     * search on a sorted `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {*} value The value to search for.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.sortedIndexOf([4, 5, 5, 5, 6], 5);\n     * // => 1\n     */\n    function sortedIndexOf(array, value) {\n      var length = array == null ? 0 : array.length;\n      if (length) {\n        var index = baseSortedIndex(array, value);\n        if (index < length && eq(array[index], value)) {\n          return index;\n        }\n      }\n      return -1;\n    }\n\n    /**\n     * This method is like `_.sortedIndex` except that it returns the highest\n     * index at which `value` should be inserted into `array` in order to\n     * maintain its sort order.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * _.sortedLastIndex([4, 5, 5, 5, 6], 5);\n     * // => 4\n     */\n    function sortedLastIndex(array, value) {\n      return baseSortedIndex(array, value, true);\n    }\n\n    /**\n     * This method is like `_.sortedLastIndex` except that it accepts `iteratee`\n     * which is invoked for `value` and each element of `array` to compute their\n     * sort ranking. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * var objects = [{ 'x': 4 }, { 'x': 5 }];\n     *\n     * _.sortedLastIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n     * // => 1\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.sortedLastIndexBy(objects, { 'x': 4 }, 'x');\n     * // => 1\n     */\n    function sortedLastIndexBy(array, value, iteratee) {\n      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2), true);\n    }\n\n    /**\n     * This method is like `_.lastIndexOf` except that it performs a binary\n     * search on a sorted `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {*} value The value to search for.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.sortedLastIndexOf([4, 5, 5, 5, 6], 5);\n     * // => 3\n     */\n    function sortedLastIndexOf(array, value) {\n      var length = array == null ? 0 : array.length;\n      if (length) {\n        var index = baseSortedIndex(array, value, true) - 1;\n        if (eq(array[index], value)) {\n          return index;\n        }\n      }\n      return -1;\n    }\n\n    /**\n     * This method is like `_.uniq` except that it's designed and optimized\n     * for sorted arrays.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * _.sortedUniq([1, 1, 2]);\n     * // => [1, 2]\n     */\n    function sortedUniq(array) {\n      return (array && array.length)\n        ? baseSortedUniq(array)\n        : [];\n    }\n\n    /**\n     * This method is like `_.uniqBy` except that it's designed and optimized\n     * for sorted arrays.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * _.sortedUniqBy([1.1, 1.2, 2.3, 2.4], Math.floor);\n     * // => [1.1, 2.3]\n     */\n    function sortedUniqBy(array, iteratee) {\n      return (array && array.length)\n        ? baseSortedUniq(array, getIteratee(iteratee, 2))\n        : [];\n    }\n\n    /**\n     * Gets all but the first element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.tail([1, 2, 3]);\n     * // => [2, 3]\n     */\n    function tail(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? baseSlice(array, 1, length) : [];\n    }\n\n    /**\n     * Creates a slice of `array` with `n` elements taken from the beginning.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to take.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.take([1, 2, 3]);\n     * // => [1]\n     *\n     * _.take([1, 2, 3], 2);\n     * // => [1, 2]\n     *\n     * _.take([1, 2, 3], 5);\n     * // => [1, 2, 3]\n     *\n     * _.take([1, 2, 3], 0);\n     * // => []\n     */\n    function take(array, n, guard) {\n      if (!(array && array.length)) {\n        return [];\n      }\n      n = (guard || n === undefined) ? 1 : toInteger(n);\n      return baseSlice(array, 0, n < 0 ? 0 : n);\n    }\n\n    /**\n     * Creates a slice of `array` with `n` elements taken from the end.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to take.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.takeRight([1, 2, 3]);\n     * // => [3]\n     *\n     * _.takeRight([1, 2, 3], 2);\n     * // => [2, 3]\n     *\n     * _.takeRight([1, 2, 3], 5);\n     * // => [1, 2, 3]\n     *\n     * _.takeRight([1, 2, 3], 0);\n     * // => []\n     */\n    function takeRight(array, n, guard) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      n = (guard || n === undefined) ? 1 : toInteger(n);\n      n = length - n;\n      return baseSlice(array, n < 0 ? 0 : n, length);\n    }\n\n    /**\n     * Creates a slice of `array` with elements taken from the end. Elements are\n     * taken until `predicate` returns falsey. The predicate is invoked with\n     * three arguments: (value, index, array).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': true },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': false }\n     * ];\n     *\n     * _.takeRightWhile(users, function(o) { return !o.active; });\n     * // => objects for ['fred', 'pebbles']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.takeRightWhile(users, { 'user': 'pebbles', 'active': false });\n     * // => objects for ['pebbles']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.takeRightWhile(users, ['active', false]);\n     * // => objects for ['fred', 'pebbles']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.takeRightWhile(users, 'active');\n     * // => []\n     */\n    function takeRightWhile(array, predicate) {\n      return (array && array.length)\n        ? baseWhile(array, getIteratee(predicate, 3), false, true)\n        : [];\n    }\n\n    /**\n     * Creates a slice of `array` with elements taken from the beginning. Elements\n     * are taken until `predicate` returns falsey. The predicate is invoked with\n     * three arguments: (value, index, array).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': false },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': true }\n     * ];\n     *\n     * _.takeWhile(users, function(o) { return !o.active; });\n     * // => objects for ['barney', 'fred']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.takeWhile(users, { 'user': 'barney', 'active': false });\n     * // => objects for ['barney']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.takeWhile(users, ['active', false]);\n     * // => objects for ['barney', 'fred']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.takeWhile(users, 'active');\n     * // => []\n     */\n    function takeWhile(array, predicate) {\n      return (array && array.length)\n        ? baseWhile(array, getIteratee(predicate, 3))\n        : [];\n    }\n\n    /**\n     * Creates an array of unique values, in order, from all given arrays using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @returns {Array} Returns the new array of combined values.\n     * @example\n     *\n     * _.union([2], [1, 2]);\n     * // => [2, 1]\n     */\n    var union = baseRest(function(arrays) {\n      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true));\n    });\n\n    /**\n     * This method is like `_.union` except that it accepts `iteratee` which is\n     * invoked for each element of each `arrays` to generate the criterion by\n     * which uniqueness is computed. Result values are chosen from the first\n     * array in which the value occurs. The iteratee is invoked with one argument:\n     * (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new array of combined values.\n     * @example\n     *\n     * _.unionBy([2.1], [1.2, 2.3], Math.floor);\n     * // => [2.1, 1.2]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.unionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 1 }, { 'x': 2 }]\n     */\n    var unionBy = baseRest(function(arrays) {\n      var iteratee = last(arrays);\n      if (isArrayLikeObject(iteratee)) {\n        iteratee = undefined;\n      }\n      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), getIteratee(iteratee, 2));\n    });\n\n    /**\n     * This method is like `_.union` except that it accepts `comparator` which\n     * is invoked to compare elements of `arrays`. Result values are chosen from\n     * the first array in which the value occurs. The comparator is invoked\n     * with two arguments: (arrVal, othVal).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of combined values.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n     *\n     * _.unionWith(objects, others, _.isEqual);\n     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n     */\n    var unionWith = baseRest(function(arrays) {\n      var comparator = last(arrays);\n      comparator = typeof comparator == 'function' ? comparator : undefined;\n      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), undefined, comparator);\n    });\n\n    /**\n     * Creates a duplicate-free version of an array, using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons, in which only the first occurrence of each element\n     * is kept. The order of result values is determined by the order they occur\n     * in the array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * _.uniq([2, 1, 2]);\n     * // => [2, 1]\n     */\n    function uniq(array) {\n      return (array && array.length) ? baseUniq(array) : [];\n    }\n\n    /**\n     * This method is like `_.uniq` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the criterion by which\n     * uniqueness is computed. The order of result values is determined by the\n     * order they occur in the array. The iteratee is invoked with one argument:\n     * (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * _.uniqBy([2.1, 1.2, 2.3], Math.floor);\n     * // => [2.1, 1.2]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.uniqBy([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 1 }, { 'x': 2 }]\n     */\n    function uniqBy(array, iteratee) {\n      return (array && array.length) ? baseUniq(array, getIteratee(iteratee, 2)) : [];\n    }\n\n    /**\n     * This method is like `_.uniq` except that it accepts `comparator` which\n     * is invoked to compare elements of `array`. The order of result values is\n     * determined by the order they occur in the array.The comparator is invoked\n     * with two arguments: (arrVal, othVal).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 2 }];\n     *\n     * _.uniqWith(objects, _.isEqual);\n     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]\n     */\n    function uniqWith(array, comparator) {\n      comparator = typeof comparator == 'function' ? comparator : undefined;\n      return (array && array.length) ? baseUniq(array, undefined, comparator) : [];\n    }\n\n    /**\n     * This method is like `_.zip` except that it accepts an array of grouped\n     * elements and creates an array regrouping the elements to their pre-zip\n     * configuration.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.2.0\n     * @category Array\n     * @param {Array} array The array of grouped elements to process.\n     * @returns {Array} Returns the new array of regrouped elements.\n     * @example\n     *\n     * var zipped = _.zip(['a', 'b'], [1, 2], [true, false]);\n     * // => [['a', 1, true], ['b', 2, false]]\n     *\n     * _.unzip(zipped);\n     * // => [['a', 'b'], [1, 2], [true, false]]\n     */\n    function unzip(array) {\n      if (!(array && array.length)) {\n        return [];\n      }\n      var length = 0;\n      array = arrayFilter(array, function(group) {\n        if (isArrayLikeObject(group)) {\n          length = nativeMax(group.length, length);\n          return true;\n        }\n      });\n      return baseTimes(length, function(index) {\n        return arrayMap(array, baseProperty(index));\n      });\n    }\n\n    /**\n     * This method is like `_.unzip` except that it accepts `iteratee` to specify\n     * how regrouped values should be combined. The iteratee is invoked with the\n     * elements of each group: (...group).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.8.0\n     * @category Array\n     * @param {Array} array The array of grouped elements to process.\n     * @param {Function} [iteratee=_.identity] The function to combine\n     *  regrouped values.\n     * @returns {Array} Returns the new array of regrouped elements.\n     * @example\n     *\n     * var zipped = _.zip([1, 2], [10, 20], [100, 200]);\n     * // => [[1, 10, 100], [2, 20, 200]]\n     *\n     * _.unzipWith(zipped, _.add);\n     * // => [3, 30, 300]\n     */\n    function unzipWith(array, iteratee) {\n      if (!(array && array.length)) {\n        return [];\n      }\n      var result = unzip(array);\n      if (iteratee == null) {\n        return result;\n      }\n      return arrayMap(result, function(group) {\n        return apply(iteratee, undefined, group);\n      });\n    }\n\n    /**\n     * Creates an array excluding all given values using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * **Note:** Unlike `_.pull`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...*} [values] The values to exclude.\n     * @returns {Array} Returns the new array of filtered values.\n     * @see _.difference, _.xor\n     * @example\n     *\n     * _.without([2, 1, 2, 3], 1, 2);\n     * // => [3]\n     */\n    var without = baseRest(function(array, values) {\n      return isArrayLikeObject(array)\n        ? baseDifference(array, values)\n        : [];\n    });\n\n    /**\n     * Creates an array of unique values that is the\n     * [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference)\n     * of the given arrays. The order of result values is determined by the order\n     * they occur in the arrays.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @returns {Array} Returns the new array of filtered values.\n     * @see _.difference, _.without\n     * @example\n     *\n     * _.xor([2, 1], [2, 3]);\n     * // => [1, 3]\n     */\n    var xor = baseRest(function(arrays) {\n      return baseXor(arrayFilter(arrays, isArrayLikeObject));\n    });\n\n    /**\n     * This method is like `_.xor` except that it accepts `iteratee` which is\n     * invoked for each element of each `arrays` to generate the criterion by\n     * which by which they're compared. The order of result values is determined\n     * by the order they occur in the arrays. The iteratee is invoked with one\n     * argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * _.xorBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n     * // => [1.2, 3.4]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.xorBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 2 }]\n     */\n    var xorBy = baseRest(function(arrays) {\n      var iteratee = last(arrays);\n      if (isArrayLikeObject(iteratee)) {\n        iteratee = undefined;\n      }\n      return baseXor(arrayFilter(arrays, isArrayLikeObject), getIteratee(iteratee, 2));\n    });\n\n    /**\n     * This method is like `_.xor` except that it accepts `comparator` which is\n     * invoked to compare elements of `arrays`. The order of result values is\n     * determined by the order they occur in the arrays. The comparator is invoked\n     * with two arguments: (arrVal, othVal).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n     *\n     * _.xorWith(objects, others, _.isEqual);\n     * // => [{ 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n     */\n    var xorWith = baseRest(function(arrays) {\n      var comparator = last(arrays);\n      comparator = typeof comparator == 'function' ? comparator : undefined;\n      return baseXor(arrayFilter(arrays, isArrayLikeObject), undefined, comparator);\n    });\n\n    /**\n     * Creates an array of grouped elements, the first of which contains the\n     * first elements of the given arrays, the second of which contains the\n     * second elements of the given arrays, and so on.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to process.\n     * @returns {Array} Returns the new array of grouped elements.\n     * @example\n     *\n     * _.zip(['a', 'b'], [1, 2], [true, false]);\n     * // => [['a', 1, true], ['b', 2, false]]\n     */\n    var zip = baseRest(unzip);\n\n    /**\n     * This method is like `_.fromPairs` except that it accepts two arrays,\n     * one of property identifiers and one of corresponding values.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.4.0\n     * @category Array\n     * @param {Array} [props=[]] The property identifiers.\n     * @param {Array} [values=[]] The property values.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * _.zipObject(['a', 'b'], [1, 2]);\n     * // => { 'a': 1, 'b': 2 }\n     */\n    function zipObject(props, values) {\n      return baseZipObject(props || [], values || [], assignValue);\n    }\n\n    /**\n     * This method is like `_.zipObject` except that it supports property paths.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.1.0\n     * @category Array\n     * @param {Array} [props=[]] The property identifiers.\n     * @param {Array} [values=[]] The property values.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * _.zipObjectDeep(['a.b[0].c', 'a.b[1].d'], [1, 2]);\n     * // => { 'a': { 'b': [{ 'c': 1 }, { 'd': 2 }] } }\n     */\n    function zipObjectDeep(props, values) {\n      return baseZipObject(props || [], values || [], baseSet);\n    }\n\n    /**\n     * This method is like `_.zip` except that it accepts `iteratee` to specify\n     * how grouped values should be combined. The iteratee is invoked with the\n     * elements of each group: (...group).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.8.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to process.\n     * @param {Function} [iteratee=_.identity] The function to combine\n     *  grouped values.\n     * @returns {Array} Returns the new array of grouped elements.\n     * @example\n     *\n     * _.zipWith([1, 2], [10, 20], [100, 200], function(a, b, c) {\n     *   return a + b + c;\n     * });\n     * // => [111, 222]\n     */\n    var zipWith = baseRest(function(arrays) {\n      var length = arrays.length,\n          iteratee = length > 1 ? arrays[length - 1] : undefined;\n\n      iteratee = typeof iteratee == 'function' ? (arrays.pop(), iteratee) : undefined;\n      return unzipWith(arrays, iteratee);\n    });\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a `lodash` wrapper instance that wraps `value` with explicit method\n     * chain sequences enabled. The result of such sequences must be unwrapped\n     * with `_#value`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.3.0\n     * @category Seq\n     * @param {*} value The value to wrap.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'age': 36 },\n     *   { 'user': 'fred',    'age': 40 },\n     *   { 'user': 'pebbles', 'age': 1 }\n     * ];\n     *\n     * var youngest = _\n     *   .chain(users)\n     *   .sortBy('age')\n     *   .map(function(o) {\n     *     return o.user + ' is ' + o.age;\n     *   })\n     *   .head()\n     *   .value();\n     * // => 'pebbles is 1'\n     */\n    function chain(value) {\n      var result = lodash(value);\n      result.__chain__ = true;\n      return result;\n    }\n\n    /**\n     * This method invokes `interceptor` and returns `value`. The interceptor\n     * is invoked with one argument; (value). The purpose of this method is to\n     * \"tap into\" a method chain sequence in order to modify intermediate results.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Seq\n     * @param {*} value The value to provide to `interceptor`.\n     * @param {Function} interceptor The function to invoke.\n     * @returns {*} Returns `value`.\n     * @example\n     *\n     * _([1, 2, 3])\n     *  .tap(function(array) {\n     *    // Mutate input array.\n     *    array.pop();\n     *  })\n     *  .reverse()\n     *  .value();\n     * // => [2, 1]\n     */\n    function tap(value, interceptor) {\n      interceptor(value);\n      return value;\n    }\n\n    /**\n     * This method is like `_.tap` except that it returns the result of `interceptor`.\n     * The purpose of this method is to \"pass thru\" values replacing intermediate\n     * results in a method chain sequence.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Seq\n     * @param {*} value The value to provide to `interceptor`.\n     * @param {Function} interceptor The function to invoke.\n     * @returns {*} Returns the result of `interceptor`.\n     * @example\n     *\n     * _('  abc  ')\n     *  .chain()\n     *  .trim()\n     *  .thru(function(value) {\n     *    return [value];\n     *  })\n     *  .value();\n     * // => ['abc']\n     */\n    function thru(value, interceptor) {\n      return interceptor(value);\n    }\n\n    /**\n     * This method is the wrapper version of `_.at`.\n     *\n     * @name at\n     * @memberOf _\n     * @since 1.0.0\n     * @category Seq\n     * @param {...(string|string[])} [paths] The property paths to pick.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n     *\n     * _(object).at(['a[0].b.c', 'a[1]']).value();\n     * // => [3, 4]\n     */\n    var wrapperAt = flatRest(function(paths) {\n      var length = paths.length,\n          start = length ? paths[0] : 0,\n          value = this.__wrapped__,\n          interceptor = function(object) { return baseAt(object, paths); };\n\n      if (length > 1 || this.__actions__.length ||\n          !(value instanceof LazyWrapper) || !isIndex(start)) {\n        return this.thru(interceptor);\n      }\n      value = value.slice(start, +start + (length ? 1 : 0));\n      value.__actions__.push({\n        'func': thru,\n        'args': [interceptor],\n        'thisArg': undefined\n      });\n      return new LodashWrapper(value, this.__chain__).thru(function(array) {\n        if (length && !array.length) {\n          array.push(undefined);\n        }\n        return array;\n      });\n    });\n\n    /**\n     * Creates a `lodash` wrapper instance with explicit method chain sequences enabled.\n     *\n     * @name chain\n     * @memberOf _\n     * @since 0.1.0\n     * @category Seq\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36 },\n     *   { 'user': 'fred',   'age': 40 }\n     * ];\n     *\n     * // A sequence without explicit chaining.\n     * _(users).head();\n     * // => { 'user': 'barney', 'age': 36 }\n     *\n     * // A sequence with explicit chaining.\n     * _(users)\n     *   .chain()\n     *   .head()\n     *   .pick('user')\n     *   .value();\n     * // => { 'user': 'barney' }\n     */\n    function wrapperChain() {\n      return chain(this);\n    }\n\n    /**\n     * Executes the chain sequence and returns the wrapped result.\n     *\n     * @name commit\n     * @memberOf _\n     * @since 3.2.0\n     * @category Seq\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var array = [1, 2];\n     * var wrapped = _(array).push(3);\n     *\n     * console.log(array);\n     * // => [1, 2]\n     *\n     * wrapped = wrapped.commit();\n     * console.log(array);\n     * // => [1, 2, 3]\n     *\n     * wrapped.last();\n     * // => 3\n     *\n     * console.log(array);\n     * // => [1, 2, 3]\n     */\n    function wrapperCommit() {\n      return new LodashWrapper(this.value(), this.__chain__);\n    }\n\n    /**\n     * Gets the next value on a wrapped object following the\n     * [iterator protocol](https://mdn.io/iteration_protocols#iterator).\n     *\n     * @name next\n     * @memberOf _\n     * @since 4.0.0\n     * @category Seq\n     * @returns {Object} Returns the next iterator value.\n     * @example\n     *\n     * var wrapped = _([1, 2]);\n     *\n     * wrapped.next();\n     * // => { 'done': false, 'value': 1 }\n     *\n     * wrapped.next();\n     * // => { 'done': false, 'value': 2 }\n     *\n     * wrapped.next();\n     * // => { 'done': true, 'value': undefined }\n     */\n    function wrapperNext() {\n      if (this.__values__ === undefined) {\n        this.__values__ = toArray(this.value());\n      }\n      var done = this.__index__ >= this.__values__.length,\n          value = done ? undefined : this.__values__[this.__index__++];\n\n      return { 'done': done, 'value': value };\n    }\n\n    /**\n     * Enables the wrapper to be iterable.\n     *\n     * @name Symbol.iterator\n     * @memberOf _\n     * @since 4.0.0\n     * @category Seq\n     * @returns {Object} Returns the wrapper object.\n     * @example\n     *\n     * var wrapped = _([1, 2]);\n     *\n     * wrapped[Symbol.iterator]() === wrapped;\n     * // => true\n     *\n     * Array.from(wrapped);\n     * // => [1, 2]\n     */\n    function wrapperToIterator() {\n      return this;\n    }\n\n    /**\n     * Creates a clone of the chain sequence planting `value` as the wrapped value.\n     *\n     * @name plant\n     * @memberOf _\n     * @since 3.2.0\n     * @category Seq\n     * @param {*} value The value to plant.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var wrapped = _([1, 2]).map(square);\n     * var other = wrapped.plant([3, 4]);\n     *\n     * other.value();\n     * // => [9, 16]\n     *\n     * wrapped.value();\n     * // => [1, 4]\n     */\n    function wrapperPlant(value) {\n      var result,\n          parent = this;\n\n      while (parent instanceof baseLodash) {\n        var clone = wrapperClone(parent);\n        clone.__index__ = 0;\n        clone.__values__ = undefined;\n        if (result) {\n          previous.__wrapped__ = clone;\n        } else {\n          result = clone;\n        }\n        var previous = clone;\n        parent = parent.__wrapped__;\n      }\n      previous.__wrapped__ = value;\n      return result;\n    }\n\n    /**\n     * This method is the wrapper version of `_.reverse`.\n     *\n     * **Note:** This method mutates the wrapped array.\n     *\n     * @name reverse\n     * @memberOf _\n     * @since 0.1.0\n     * @category Seq\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var array = [1, 2, 3];\n     *\n     * _(array).reverse().value()\n     * // => [3, 2, 1]\n     *\n     * console.log(array);\n     * // => [3, 2, 1]\n     */\n    function wrapperReverse() {\n      var value = this.__wrapped__;\n      if (value instanceof LazyWrapper) {\n        var wrapped = value;\n        if (this.__actions__.length) {\n          wrapped = new LazyWrapper(this);\n        }\n        wrapped = wrapped.reverse();\n        wrapped.__actions__.push({\n          'func': thru,\n          'args': [reverse],\n          'thisArg': undefined\n        });\n        return new LodashWrapper(wrapped, this.__chain__);\n      }\n      return this.thru(reverse);\n    }\n\n    /**\n     * Executes the chain sequence to resolve the unwrapped value.\n     *\n     * @name value\n     * @memberOf _\n     * @since 0.1.0\n     * @alias toJSON, valueOf\n     * @category Seq\n     * @returns {*} Returns the resolved unwrapped value.\n     * @example\n     *\n     * _([1, 2, 3]).value();\n     * // => [1, 2, 3]\n     */\n    function wrapperValue() {\n      return baseWrapperValue(this.__wrapped__, this.__actions__);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an object composed of keys generated from the results of running\n     * each element of `collection` thru `iteratee`. The corresponding value of\n     * each key is the number of times the key was returned by `iteratee`. The\n     * iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.5.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n     * @returns {Object} Returns the composed aggregate object.\n     * @example\n     *\n     * _.countBy([6.1, 4.2, 6.3], Math.floor);\n     * // => { '4': 1, '6': 2 }\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.countBy(['one', 'two', 'three'], 'length');\n     * // => { '3': 2, '5': 1 }\n     */\n    var countBy = createAggregator(function(result, value, key) {\n      if (hasOwnProperty.call(result, key)) {\n        ++result[key];\n      } else {\n        baseAssignValue(result, key, 1);\n      }\n    });\n\n    /**\n     * Checks if `predicate` returns truthy for **all** elements of `collection`.\n     * Iteration is stopped once `predicate` returns falsey. The predicate is\n     * invoked with three arguments: (value, index|key, collection).\n     *\n     * **Note:** This method returns `true` for\n     * [empty collections](https://en.wikipedia.org/wiki/Empty_set) because\n     * [everything is true](https://en.wikipedia.org/wiki/Vacuous_truth) of\n     * elements of empty collections.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {boolean} Returns `true` if all elements pass the predicate check,\n     *  else `false`.\n     * @example\n     *\n     * _.every([true, 1, null, 'yes'], Boolean);\n     * // => false\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': false },\n     *   { 'user': 'fred',   'age': 40, 'active': false }\n     * ];\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.every(users, { 'user': 'barney', 'active': false });\n     * // => false\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.every(users, ['active', false]);\n     * // => true\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.every(users, 'active');\n     * // => false\n     */\n    function every(collection, predicate, guard) {\n      var func = isArray(collection) ? arrayEvery : baseEvery;\n      if (guard && isIterateeCall(collection, predicate, guard)) {\n        predicate = undefined;\n      }\n      return func(collection, getIteratee(predicate, 3));\n    }\n\n    /**\n     * Iterates over elements of `collection`, returning an array of all elements\n     * `predicate` returns truthy for. The predicate is invoked with three\n     * arguments: (value, index|key, collection).\n     *\n     * **Note:** Unlike `_.remove`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new filtered array.\n     * @see _.reject\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': true },\n     *   { 'user': 'fred',   'age': 40, 'active': false }\n     * ];\n     *\n     * _.filter(users, function(o) { return !o.active; });\n     * // => objects for ['fred']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.filter(users, { 'age': 36, 'active': true });\n     * // => objects for ['barney']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.filter(users, ['active', false]);\n     * // => objects for ['fred']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.filter(users, 'active');\n     * // => objects for ['barney']\n     */\n    function filter(collection, predicate) {\n      var func = isArray(collection) ? arrayFilter : baseFilter;\n      return func(collection, getIteratee(predicate, 3));\n    }\n\n    /**\n     * Iterates over elements of `collection`, returning the first element\n     * `predicate` returns truthy for. The predicate is invoked with three\n     * arguments: (value, index|key, collection).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @returns {*} Returns the matched element, else `undefined`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'age': 36, 'active': true },\n     *   { 'user': 'fred',    'age': 40, 'active': false },\n     *   { 'user': 'pebbles', 'age': 1,  'active': true }\n     * ];\n     *\n     * _.find(users, function(o) { return o.age < 40; });\n     * // => object for 'barney'\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.find(users, { 'age': 1, 'active': true });\n     * // => object for 'pebbles'\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.find(users, ['active', false]);\n     * // => object for 'fred'\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.find(users, 'active');\n     * // => object for 'barney'\n     */\n    var find = createFind(findIndex);\n\n    /**\n     * This method is like `_.find` except that it iterates over elements of\n     * `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param {number} [fromIndex=collection.length-1] The index to search from.\n     * @returns {*} Returns the matched element, else `undefined`.\n     * @example\n     *\n     * _.findLast([1, 2, 3, 4], function(n) {\n     *   return n % 2 == 1;\n     * });\n     * // => 3\n     */\n    var findLast = createFind(findLastIndex);\n\n    /**\n     * Creates a flattened array of values by running each element in `collection`\n     * thru `iteratee` and flattening the mapped results. The iteratee is invoked\n     * with three arguments: (value, index|key, collection).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * function duplicate(n) {\n     *   return [n, n];\n     * }\n     *\n     * _.flatMap([1, 2], duplicate);\n     * // => [1, 1, 2, 2]\n     */\n    function flatMap(collection, iteratee) {\n      return baseFlatten(map(collection, iteratee), 1);\n    }\n\n    /**\n     * This method is like `_.flatMap` except that it recursively flattens the\n     * mapped results.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * function duplicate(n) {\n     *   return [[[n, n]]];\n     * }\n     *\n     * _.flatMapDeep([1, 2], duplicate);\n     * // => [1, 1, 2, 2]\n     */\n    function flatMapDeep(collection, iteratee) {\n      return baseFlatten(map(collection, iteratee), INFINITY);\n    }\n\n    /**\n     * This method is like `_.flatMap` except that it recursively flattens the\n     * mapped results up to `depth` times.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {number} [depth=1] The maximum recursion depth.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * function duplicate(n) {\n     *   return [[[n, n]]];\n     * }\n     *\n     * _.flatMapDepth([1, 2], duplicate, 2);\n     * // => [[1, 1], [2, 2]]\n     */\n    function flatMapDepth(collection, iteratee, depth) {\n      depth = depth === undefined ? 1 : toInteger(depth);\n      return baseFlatten(map(collection, iteratee), depth);\n    }\n\n    /**\n     * Iterates over elements of `collection` and invokes `iteratee` for each element.\n     * The iteratee is invoked with three arguments: (value, index|key, collection).\n     * Iteratee functions may exit iteration early by explicitly returning `false`.\n     *\n     * **Note:** As with other \"Collections\" methods, objects with a \"length\"\n     * property are iterated like arrays. To avoid this behavior use `_.forIn`\n     * or `_.forOwn` for object iteration.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @alias each\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array|Object} Returns `collection`.\n     * @see _.forEachRight\n     * @example\n     *\n     * _.forEach([1, 2], function(value) {\n     *   console.log(value);\n     * });\n     * // => Logs `1` then `2`.\n     *\n     * _.forEach({ 'a': 1, 'b': 2 }, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n     */\n    function forEach(collection, iteratee) {\n      var func = isArray(collection) ? arrayEach : baseEach;\n      return func(collection, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * This method is like `_.forEach` except that it iterates over elements of\n     * `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @alias eachRight\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array|Object} Returns `collection`.\n     * @see _.forEach\n     * @example\n     *\n     * _.forEachRight([1, 2], function(value) {\n     *   console.log(value);\n     * });\n     * // => Logs `2` then `1`.\n     */\n    function forEachRight(collection, iteratee) {\n      var func = isArray(collection) ? arrayEachRight : baseEachRight;\n      return func(collection, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * Creates an object composed of keys generated from the results of running\n     * each element of `collection` thru `iteratee`. The order of grouped values\n     * is determined by the order they occur in `collection`. The corresponding\n     * value of each key is an array of elements responsible for generating the\n     * key. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n     * @returns {Object} Returns the composed aggregate object.\n     * @example\n     *\n     * _.groupBy([6.1, 4.2, 6.3], Math.floor);\n     * // => { '4': [4.2], '6': [6.1, 6.3] }\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.groupBy(['one', 'two', 'three'], 'length');\n     * // => { '3': ['one', 'two'], '5': ['three'] }\n     */\n    var groupBy = createAggregator(function(result, value, key) {\n      if (hasOwnProperty.call(result, key)) {\n        result[key].push(value);\n      } else {\n        baseAssignValue(result, key, [value]);\n      }\n    });\n\n    /**\n     * Checks if `value` is in `collection`. If `collection` is a string, it's\n     * checked for a substring of `value`, otherwise\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * is used for equality comparisons. If `fromIndex` is negative, it's used as\n     * the offset from the end of `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to inspect.\n     * @param {*} value The value to search for.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n     * @returns {boolean} Returns `true` if `value` is found, else `false`.\n     * @example\n     *\n     * _.includes([1, 2, 3], 1);\n     * // => true\n     *\n     * _.includes([1, 2, 3], 1, 2);\n     * // => false\n     *\n     * _.includes({ 'a': 1, 'b': 2 }, 1);\n     * // => true\n     *\n     * _.includes('abcd', 'bc');\n     * // => true\n     */\n    function includes(collection, value, fromIndex, guard) {\n      collection = isArrayLike(collection) ? collection : values(collection);\n      fromIndex = (fromIndex && !guard) ? toInteger(fromIndex) : 0;\n\n      var length = collection.length;\n      if (fromIndex < 0) {\n        fromIndex = nativeMax(length + fromIndex, 0);\n      }\n      return isString(collection)\n        ? (fromIndex <= length && collection.indexOf(value, fromIndex) > -1)\n        : (!!length && baseIndexOf(collection, value, fromIndex) > -1);\n    }\n\n    /**\n     * Invokes the method at `path` of each element in `collection`, returning\n     * an array of the results of each invoked method. Any additional arguments\n     * are provided to each invoked method. If `path` is a function, it's invoked\n     * for, and `this` bound to, each element in `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Array|Function|string} path The path of the method to invoke or\n     *  the function invoked per iteration.\n     * @param {...*} [args] The arguments to invoke each method with.\n     * @returns {Array} Returns the array of results.\n     * @example\n     *\n     * _.invokeMap([[5, 1, 7], [3, 2, 1]], 'sort');\n     * // => [[1, 5, 7], [1, 2, 3]]\n     *\n     * _.invokeMap([123, 456], String.prototype.split, '');\n     * // => [['1', '2', '3'], ['4', '5', '6']]\n     */\n    var invokeMap = baseRest(function(collection, path, args) {\n      var index = -1,\n          isFunc = typeof path == 'function',\n          result = isArrayLike(collection) ? Array(collection.length) : [];\n\n      baseEach(collection, function(value) {\n        result[++index] = isFunc ? apply(path, value, args) : baseInvoke(value, path, args);\n      });\n      return result;\n    });\n\n    /**\n     * Creates an object composed of keys generated from the results of running\n     * each element of `collection` thru `iteratee`. The corresponding value of\n     * each key is the last element responsible for generating the key. The\n     * iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n     * @returns {Object} Returns the composed aggregate object.\n     * @example\n     *\n     * var array = [\n     *   { 'dir': 'left', 'code': 97 },\n     *   { 'dir': 'right', 'code': 100 }\n     * ];\n     *\n     * _.keyBy(array, function(o) {\n     *   return String.fromCharCode(o.code);\n     * });\n     * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } }\n     *\n     * _.keyBy(array, 'dir');\n     * // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } }\n     */\n    var keyBy = createAggregator(function(result, value, key) {\n      baseAssignValue(result, key, value);\n    });\n\n    /**\n     * Creates an array of values by running each element in `collection` thru\n     * `iteratee`. The iteratee is invoked with three arguments:\n     * (value, index|key, collection).\n     *\n     * Many lodash methods are guarded to work as iteratees for methods like\n     * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`.\n     *\n     * The guarded methods are:\n     * `ary`, `chunk`, `curry`, `curryRight`, `drop`, `dropRight`, `every`,\n     * `fill`, `invert`, `parseInt`, `random`, `range`, `rangeRight`, `repeat`,\n     * `sampleSize`, `slice`, `some`, `sortBy`, `split`, `take`, `takeRight`,\n     * `template`, `trim`, `trimEnd`, `trimStart`, and `words`\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new mapped array.\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * _.map([4, 8], square);\n     * // => [16, 64]\n     *\n     * _.map({ 'a': 4, 'b': 8 }, square);\n     * // => [16, 64] (iteration order is not guaranteed)\n     *\n     * var users = [\n     *   { 'user': 'barney' },\n     *   { 'user': 'fred' }\n     * ];\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.map(users, 'user');\n     * // => ['barney', 'fred']\n     */\n    function map(collection, iteratee) {\n      var func = isArray(collection) ? arrayMap : baseMap;\n      return func(collection, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * This method is like `_.sortBy` except that it allows specifying the sort\n     * orders of the iteratees to sort by. If `orders` is unspecified, all values\n     * are sorted in ascending order. Otherwise, specify an order of \"desc\" for\n     * descending or \"asc\" for ascending sort order of corresponding values.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Array[]|Function[]|Object[]|string[]} [iteratees=[_.identity]]\n     *  The iteratees to sort by.\n     * @param {string[]} [orders] The sort orders of `iteratees`.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n     * @returns {Array} Returns the new sorted array.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'fred',   'age': 48 },\n     *   { 'user': 'barney', 'age': 34 },\n     *   { 'user': 'fred',   'age': 40 },\n     *   { 'user': 'barney', 'age': 36 }\n     * ];\n     *\n     * // Sort by `user` in ascending order and by `age` in descending order.\n     * _.orderBy(users, ['user', 'age'], ['asc', 'desc']);\n     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n     */\n    function orderBy(collection, iteratees, orders, guard) {\n      if (collection == null) {\n        return [];\n      }\n      if (!isArray(iteratees)) {\n        iteratees = iteratees == null ? [] : [iteratees];\n      }\n      orders = guard ? undefined : orders;\n      if (!isArray(orders)) {\n        orders = orders == null ? [] : [orders];\n      }\n      return baseOrderBy(collection, iteratees, orders);\n    }\n\n    /**\n     * Creates an array of elements split into two groups, the first of which\n     * contains elements `predicate` returns truthy for, the second of which\n     * contains elements `predicate` returns falsey for. The predicate is\n     * invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the array of grouped elements.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'age': 36, 'active': false },\n     *   { 'user': 'fred',    'age': 40, 'active': true },\n     *   { 'user': 'pebbles', 'age': 1,  'active': false }\n     * ];\n     *\n     * _.partition(users, function(o) { return o.active; });\n     * // => objects for [['fred'], ['barney', 'pebbles']]\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.partition(users, { 'age': 1, 'active': false });\n     * // => objects for [['pebbles'], ['barney', 'fred']]\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.partition(users, ['active', false]);\n     * // => objects for [['barney', 'pebbles'], ['fred']]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.partition(users, 'active');\n     * // => objects for [['fred'], ['barney', 'pebbles']]\n     */\n    var partition = createAggregator(function(result, value, key) {\n      result[key ? 0 : 1].push(value);\n    }, function() { return [[], []]; });\n\n    /**\n     * Reduces `collection` to a value which is the accumulated result of running\n     * each element in `collection` thru `iteratee`, where each successive\n     * invocation is supplied the return value of the previous. If `accumulator`\n     * is not given, the first element of `collection` is used as the initial\n     * value. The iteratee is invoked with four arguments:\n     * (accumulator, value, index|key, collection).\n     *\n     * Many lodash methods are guarded to work as iteratees for methods like\n     * `_.reduce`, `_.reduceRight`, and `_.transform`.\n     *\n     * The guarded methods are:\n     * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `orderBy`,\n     * and `sortBy`\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {*} [accumulator] The initial value.\n     * @returns {*} Returns the accumulated value.\n     * @see _.reduceRight\n     * @example\n     *\n     * _.reduce([1, 2], function(sum, n) {\n     *   return sum + n;\n     * }, 0);\n     * // => 3\n     *\n     * _.reduce({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n     *   (result[value] || (result[value] = [])).push(key);\n     *   return result;\n     * }, {});\n     * // => { '1': ['a', 'c'], '2': ['b'] } (iteration order is not guaranteed)\n     */\n    function reduce(collection, iteratee, accumulator) {\n      var func = isArray(collection) ? arrayReduce : baseReduce,\n          initAccum = arguments.length < 3;\n\n      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEach);\n    }\n\n    /**\n     * This method is like `_.reduce` except that it iterates over elements of\n     * `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {*} [accumulator] The initial value.\n     * @returns {*} Returns the accumulated value.\n     * @see _.reduce\n     * @example\n     *\n     * var array = [[0, 1], [2, 3], [4, 5]];\n     *\n     * _.reduceRight(array, function(flattened, other) {\n     *   return flattened.concat(other);\n     * }, []);\n     * // => [4, 5, 2, 3, 0, 1]\n     */\n    function reduceRight(collection, iteratee, accumulator) {\n      var func = isArray(collection) ? arrayReduceRight : baseReduce,\n          initAccum = arguments.length < 3;\n\n      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEachRight);\n    }\n\n    /**\n     * The opposite of `_.filter`; this method returns the elements of `collection`\n     * that `predicate` does **not** return truthy for.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new filtered array.\n     * @see _.filter\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': false },\n     *   { 'user': 'fred',   'age': 40, 'active': true }\n     * ];\n     *\n     * _.reject(users, function(o) { return !o.active; });\n     * // => objects for ['fred']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.reject(users, { 'age': 40, 'active': true });\n     * // => objects for ['barney']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.reject(users, ['active', false]);\n     * // => objects for ['fred']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.reject(users, 'active');\n     * // => objects for ['barney']\n     */\n    function reject(collection, predicate) {\n      var func = isArray(collection) ? arrayFilter : baseFilter;\n      return func(collection, negate(getIteratee(predicate, 3)));\n    }\n\n    /**\n     * Gets a random element from `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to sample.\n     * @returns {*} Returns the random element.\n     * @example\n     *\n     * _.sample([1, 2, 3, 4]);\n     * // => 2\n     */\n    function sample(collection) {\n      var func = isArray(collection) ? arraySample : baseSample;\n      return func(collection);\n    }\n\n    /**\n     * Gets `n` random elements at unique keys from `collection` up to the\n     * size of `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to sample.\n     * @param {number} [n=1] The number of elements to sample.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the random elements.\n     * @example\n     *\n     * _.sampleSize([1, 2, 3], 2);\n     * // => [3, 1]\n     *\n     * _.sampleSize([1, 2, 3], 4);\n     * // => [2, 3, 1]\n     */\n    function sampleSize(collection, n, guard) {\n      if ((guard ? isIterateeCall(collection, n, guard) : n === undefined)) {\n        n = 1;\n      } else {\n        n = toInteger(n);\n      }\n      var func = isArray(collection) ? arraySampleSize : baseSampleSize;\n      return func(collection, n);\n    }\n\n    /**\n     * Creates an array of shuffled values, using a version of the\n     * [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher-Yates_shuffle).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to shuffle.\n     * @returns {Array} Returns the new shuffled array.\n     * @example\n     *\n     * _.shuffle([1, 2, 3, 4]);\n     * // => [4, 1, 3, 2]\n     */\n    function shuffle(collection) {\n      var func = isArray(collection) ? arrayShuffle : baseShuffle;\n      return func(collection);\n    }\n\n    /**\n     * Gets the size of `collection` by returning its length for array-like\n     * values or the number of own enumerable string keyed properties for objects.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to inspect.\n     * @returns {number} Returns the collection size.\n     * @example\n     *\n     * _.size([1, 2, 3]);\n     * // => 3\n     *\n     * _.size({ 'a': 1, 'b': 2 });\n     * // => 2\n     *\n     * _.size('pebbles');\n     * // => 7\n     */\n    function size(collection) {\n      if (collection == null) {\n        return 0;\n      }\n      if (isArrayLike(collection)) {\n        return isString(collection) ? stringSize(collection) : collection.length;\n      }\n      var tag = getTag(collection);\n      if (tag == mapTag || tag == setTag) {\n        return collection.size;\n      }\n      return baseKeys(collection).length;\n    }\n\n    /**\n     * Checks if `predicate` returns truthy for **any** element of `collection`.\n     * Iteration is stopped once `predicate` returns truthy. The predicate is\n     * invoked with three arguments: (value, index|key, collection).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {boolean} Returns `true` if any element passes the predicate check,\n     *  else `false`.\n     * @example\n     *\n     * _.some([null, 0, 'yes', false], Boolean);\n     * // => true\n     *\n     * var users = [\n     *   { 'user': 'barney', 'active': true },\n     *   { 'user': 'fred',   'active': false }\n     * ];\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.some(users, { 'user': 'barney', 'active': false });\n     * // => false\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.some(users, ['active', false]);\n     * // => true\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.some(users, 'active');\n     * // => true\n     */\n    function some(collection, predicate, guard) {\n      var func = isArray(collection) ? arraySome : baseSome;\n      if (guard && isIterateeCall(collection, predicate, guard)) {\n        predicate = undefined;\n      }\n      return func(collection, getIteratee(predicate, 3));\n    }\n\n    /**\n     * Creates an array of elements, sorted in ascending order by the results of\n     * running each element in a collection thru each iteratee. This method\n     * performs a stable sort, that is, it preserves the original sort order of\n     * equal elements. The iteratees are invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {...(Function|Function[])} [iteratees=[_.identity]]\n     *  The iteratees to sort by.\n     * @returns {Array} Returns the new sorted array.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'fred',   'age': 48 },\n     *   { 'user': 'barney', 'age': 36 },\n     *   { 'user': 'fred',   'age': 40 },\n     *   { 'user': 'barney', 'age': 34 }\n     * ];\n     *\n     * _.sortBy(users, [function(o) { return o.user; }]);\n     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n     *\n     * _.sortBy(users, ['user', 'age']);\n     * // => objects for [['barney', 34], ['barney', 36], ['fred', 40], ['fred', 48]]\n     */\n    var sortBy = baseRest(function(collection, iteratees) {\n      if (collection == null) {\n        return [];\n      }\n      var length = iteratees.length;\n      if (length > 1 && isIterateeCall(collection, iteratees[0], iteratees[1])) {\n        iteratees = [];\n      } else if (length > 2 && isIterateeCall(iteratees[0], iteratees[1], iteratees[2])) {\n        iteratees = [iteratees[0]];\n      }\n      return baseOrderBy(collection, baseFlatten(iteratees, 1), []);\n    });\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Gets the timestamp of the number of milliseconds that have elapsed since\n     * the Unix epoch (1 January 1970 00:00:00 UTC).\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Date\n     * @returns {number} Returns the timestamp.\n     * @example\n     *\n     * _.defer(function(stamp) {\n     *   console.log(_.now() - stamp);\n     * }, _.now());\n     * // => Logs the number of milliseconds it took for the deferred invocation.\n     */\n    var now = ctxNow || function() {\n      return root.Date.now();\n    };\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * The opposite of `_.before`; this method creates a function that invokes\n     * `func` once it's called `n` or more times.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {number} n The number of calls before `func` is invoked.\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new restricted function.\n     * @example\n     *\n     * var saves = ['profile', 'settings'];\n     *\n     * var done = _.after(saves.length, function() {\n     *   console.log('done saving!');\n     * });\n     *\n     * _.forEach(saves, function(type) {\n     *   asyncSave({ 'type': type, 'complete': done });\n     * });\n     * // => Logs 'done saving!' after the two async saves have completed.\n     */\n    function after(n, func) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      n = toInteger(n);\n      return function() {\n        if (--n < 1) {\n          return func.apply(this, arguments);\n        }\n      };\n    }\n\n    /**\n     * Creates a function that invokes `func`, with up to `n` arguments,\n     * ignoring any additional arguments.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {Function} func The function to cap arguments for.\n     * @param {number} [n=func.length] The arity cap.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Function} Returns the new capped function.\n     * @example\n     *\n     * _.map(['6', '8', '10'], _.ary(parseInt, 1));\n     * // => [6, 8, 10]\n     */\n    function ary(func, n, guard) {\n      n = guard ? undefined : n;\n      n = (func && n == null) ? func.length : n;\n      return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n);\n    }\n\n    /**\n     * Creates a function that invokes `func`, with the `this` binding and arguments\n     * of the created function, while it's called less than `n` times. Subsequent\n     * calls to the created function return the result of the last `func` invocation.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {number} n The number of calls at which `func` is no longer invoked.\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new restricted function.\n     * @example\n     *\n     * jQuery(element).on('click', _.before(5, addContactToList));\n     * // => Allows adding up to 4 contacts to the list.\n     */\n    function before(n, func) {\n      var result;\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      n = toInteger(n);\n      return function() {\n        if (--n > 0) {\n          result = func.apply(this, arguments);\n        }\n        if (n <= 1) {\n          func = undefined;\n        }\n        return result;\n      };\n    }\n\n    /**\n     * Creates a function that invokes `func` with the `this` binding of `thisArg`\n     * and `partials` prepended to the arguments it receives.\n     *\n     * The `_.bind.placeholder` value, which defaults to `_` in monolithic builds,\n     * may be used as a placeholder for partially applied arguments.\n     *\n     * **Note:** Unlike native `Function#bind`, this method doesn't set the \"length\"\n     * property of bound functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to bind.\n     * @param {*} thisArg The `this` binding of `func`.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new bound function.\n     * @example\n     *\n     * function greet(greeting, punctuation) {\n     *   return greeting + ' ' + this.user + punctuation;\n     * }\n     *\n     * var object = { 'user': 'fred' };\n     *\n     * var bound = _.bind(greet, object, 'hi');\n     * bound('!');\n     * // => 'hi fred!'\n     *\n     * // Bound with placeholders.\n     * var bound = _.bind(greet, object, _, '!');\n     * bound('hi');\n     * // => 'hi fred!'\n     */\n    var bind = baseRest(function(func, thisArg, partials) {\n      var bitmask = WRAP_BIND_FLAG;\n      if (partials.length) {\n        var holders = replaceHolders(partials, getHolder(bind));\n        bitmask |= WRAP_PARTIAL_FLAG;\n      }\n      return createWrap(func, bitmask, thisArg, partials, holders);\n    });\n\n    /**\n     * Creates a function that invokes the method at `object[key]` with `partials`\n     * prepended to the arguments it receives.\n     *\n     * This method differs from `_.bind` by allowing bound functions to reference\n     * methods that may be redefined or don't yet exist. See\n     * [Peter Michaux's article](http://peter.michaux.ca/articles/lazy-function-definition-pattern)\n     * for more details.\n     *\n     * The `_.bindKey.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for partially applied arguments.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.10.0\n     * @category Function\n     * @param {Object} object The object to invoke the method on.\n     * @param {string} key The key of the method.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new bound function.\n     * @example\n     *\n     * var object = {\n     *   'user': 'fred',\n     *   'greet': function(greeting, punctuation) {\n     *     return greeting + ' ' + this.user + punctuation;\n     *   }\n     * };\n     *\n     * var bound = _.bindKey(object, 'greet', 'hi');\n     * bound('!');\n     * // => 'hi fred!'\n     *\n     * object.greet = function(greeting, punctuation) {\n     *   return greeting + 'ya ' + this.user + punctuation;\n     * };\n     *\n     * bound('!');\n     * // => 'hiya fred!'\n     *\n     * // Bound with placeholders.\n     * var bound = _.bindKey(object, 'greet', _, '!');\n     * bound('hi');\n     * // => 'hiya fred!'\n     */\n    var bindKey = baseRest(function(object, key, partials) {\n      var bitmask = WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG;\n      if (partials.length) {\n        var holders = replaceHolders(partials, getHolder(bindKey));\n        bitmask |= WRAP_PARTIAL_FLAG;\n      }\n      return createWrap(key, bitmask, object, partials, holders);\n    });\n\n    /**\n     * Creates a function that accepts arguments of `func` and either invokes\n     * `func` returning its result, if at least `arity` number of arguments have\n     * been provided, or returns a function that accepts the remaining `func`\n     * arguments, and so on. The arity of `func` may be specified if `func.length`\n     * is not sufficient.\n     *\n     * The `_.curry.placeholder` value, which defaults to `_` in monolithic builds,\n     * may be used as a placeholder for provided arguments.\n     *\n     * **Note:** This method doesn't set the \"length\" property of curried functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Function\n     * @param {Function} func The function to curry.\n     * @param {number} [arity=func.length] The arity of `func`.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Function} Returns the new curried function.\n     * @example\n     *\n     * var abc = function(a, b, c) {\n     *   return [a, b, c];\n     * };\n     *\n     * var curried = _.curry(abc);\n     *\n     * curried(1)(2)(3);\n     * // => [1, 2, 3]\n     *\n     * curried(1, 2)(3);\n     * // => [1, 2, 3]\n     *\n     * curried(1, 2, 3);\n     * // => [1, 2, 3]\n     *\n     * // Curried with placeholders.\n     * curried(1)(_, 3)(2);\n     * // => [1, 2, 3]\n     */\n    function curry(func, arity, guard) {\n      arity = guard ? undefined : arity;\n      var result = createWrap(func, WRAP_CURRY_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n      result.placeholder = curry.placeholder;\n      return result;\n    }\n\n    /**\n     * This method is like `_.curry` except that arguments are applied to `func`\n     * in the manner of `_.partialRight` instead of `_.partial`.\n     *\n     * The `_.curryRight.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for provided arguments.\n     *\n     * **Note:** This method doesn't set the \"length\" property of curried functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {Function} func The function to curry.\n     * @param {number} [arity=func.length] The arity of `func`.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Function} Returns the new curried function.\n     * @example\n     *\n     * var abc = function(a, b, c) {\n     *   return [a, b, c];\n     * };\n     *\n     * var curried = _.curryRight(abc);\n     *\n     * curried(3)(2)(1);\n     * // => [1, 2, 3]\n     *\n     * curried(2, 3)(1);\n     * // => [1, 2, 3]\n     *\n     * curried(1, 2, 3);\n     * // => [1, 2, 3]\n     *\n     * // Curried with placeholders.\n     * curried(3)(1, _)(2);\n     * // => [1, 2, 3]\n     */\n    function curryRight(func, arity, guard) {\n      arity = guard ? undefined : arity;\n      var result = createWrap(func, WRAP_CURRY_RIGHT_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n      result.placeholder = curryRight.placeholder;\n      return result;\n    }\n\n    /**\n     * Creates a debounced function that delays invoking `func` until after `wait`\n     * milliseconds have elapsed since the last time the debounced function was\n     * invoked. The debounced function comes with a `cancel` method to cancel\n     * delayed `func` invocations and a `flush` method to immediately invoke them.\n     * Provide `options` to indicate whether `func` should be invoked on the\n     * leading and/or trailing edge of the `wait` timeout. The `func` is invoked\n     * with the last arguments provided to the debounced function. Subsequent\n     * calls to the debounced function return the result of the last `func`\n     * invocation.\n     *\n     * **Note:** If `leading` and `trailing` options are `true`, `func` is\n     * invoked on the trailing edge of the timeout only if the debounced function\n     * is invoked more than once during the `wait` timeout.\n     *\n     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n     * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n     *\n     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n     * for details over the differences between `_.debounce` and `_.throttle`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to debounce.\n     * @param {number} [wait=0] The number of milliseconds to delay.\n     * @param {Object} [options={}] The options object.\n     * @param {boolean} [options.leading=false]\n     *  Specify invoking on the leading edge of the timeout.\n     * @param {number} [options.maxWait]\n     *  The maximum time `func` is allowed to be delayed before it's invoked.\n     * @param {boolean} [options.trailing=true]\n     *  Specify invoking on the trailing edge of the timeout.\n     * @returns {Function} Returns the new debounced function.\n     * @example\n     *\n     * // Avoid costly calculations while the window size is in flux.\n     * jQuery(window).on('resize', _.debounce(calculateLayout, 150));\n     *\n     * // Invoke `sendMail` when clicked, debouncing subsequent calls.\n     * jQuery(element).on('click', _.debounce(sendMail, 300, {\n     *   'leading': true,\n     *   'trailing': false\n     * }));\n     *\n     * // Ensure `batchLog` is invoked once after 1 second of debounced calls.\n     * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });\n     * var source = new EventSource('/stream');\n     * jQuery(source).on('message', debounced);\n     *\n     * // Cancel the trailing debounced invocation.\n     * jQuery(window).on('popstate', debounced.cancel);\n     */\n    function debounce(func, wait, options) {\n      var lastArgs,\n          lastThis,\n          maxWait,\n          result,\n          timerId,\n          lastCallTime,\n          lastInvokeTime = 0,\n          leading = false,\n          maxing = false,\n          trailing = true;\n\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      wait = toNumber(wait) || 0;\n      if (isObject(options)) {\n        leading = !!options.leading;\n        maxing = 'maxWait' in options;\n        maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait;\n        trailing = 'trailing' in options ? !!options.trailing : trailing;\n      }\n\n      function invokeFunc(time) {\n        var args = lastArgs,\n            thisArg = lastThis;\n\n        lastArgs = lastThis = undefined;\n        lastInvokeTime = time;\n        result = func.apply(thisArg, args);\n        return result;\n      }\n\n      function leadingEdge(time) {\n        // Reset any `maxWait` timer.\n        lastInvokeTime = time;\n        // Start the timer for the trailing edge.\n        timerId = setTimeout(timerExpired, wait);\n        // Invoke the leading edge.\n        return leading ? invokeFunc(time) : result;\n      }\n\n      function remainingWait(time) {\n        var timeSinceLastCall = time - lastCallTime,\n            timeSinceLastInvoke = time - lastInvokeTime,\n            timeWaiting = wait - timeSinceLastCall;\n\n        return maxing\n          ? nativeMin(timeWaiting, maxWait - timeSinceLastInvoke)\n          : timeWaiting;\n      }\n\n      function shouldInvoke(time) {\n        var timeSinceLastCall = time - lastCallTime,\n            timeSinceLastInvoke = time - lastInvokeTime;\n\n        // Either this is the first call, activity has stopped and we're at the\n        // trailing edge, the system time has gone backwards and we're treating\n        // it as the trailing edge, or we've hit the `maxWait` limit.\n        return (lastCallTime === undefined || (timeSinceLastCall >= wait) ||\n          (timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait));\n      }\n\n      function timerExpired() {\n        var time = now();\n        if (shouldInvoke(time)) {\n          return trailingEdge(time);\n        }\n        // Restart the timer.\n        timerId = setTimeout(timerExpired, remainingWait(time));\n      }\n\n      function trailingEdge(time) {\n        timerId = undefined;\n\n        // Only invoke if we have `lastArgs` which means `func` has been\n        // debounced at least once.\n        if (trailing && lastArgs) {\n          return invokeFunc(time);\n        }\n        lastArgs = lastThis = undefined;\n        return result;\n      }\n\n      function cancel() {\n        if (timerId !== undefined) {\n          clearTimeout(timerId);\n        }\n        lastInvokeTime = 0;\n        lastArgs = lastCallTime = lastThis = timerId = undefined;\n      }\n\n      function flush() {\n        return timerId === undefined ? result : trailingEdge(now());\n      }\n\n      function debounced() {\n        var time = now(),\n            isInvoking = shouldInvoke(time);\n\n        lastArgs = arguments;\n        lastThis = this;\n        lastCallTime = time;\n\n        if (isInvoking) {\n          if (timerId === undefined) {\n            return leadingEdge(lastCallTime);\n          }\n          if (maxing) {\n            // Handle invocations in a tight loop.\n            clearTimeout(timerId);\n            timerId = setTimeout(timerExpired, wait);\n            return invokeFunc(lastCallTime);\n          }\n        }\n        if (timerId === undefined) {\n          timerId = setTimeout(timerExpired, wait);\n        }\n        return result;\n      }\n      debounced.cancel = cancel;\n      debounced.flush = flush;\n      return debounced;\n    }\n\n    /**\n     * Defers invoking the `func` until the current call stack has cleared. Any\n     * additional arguments are provided to `func` when it's invoked.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to defer.\n     * @param {...*} [args] The arguments to invoke `func` with.\n     * @returns {number} Returns the timer id.\n     * @example\n     *\n     * _.defer(function(text) {\n     *   console.log(text);\n     * }, 'deferred');\n     * // => Logs 'deferred' after one millisecond.\n     */\n    var defer = baseRest(function(func, args) {\n      return baseDelay(func, 1, args);\n    });\n\n    /**\n     * Invokes `func` after `wait` milliseconds. Any additional arguments are\n     * provided to `func` when it's invoked.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to delay.\n     * @param {number} wait The number of milliseconds to delay invocation.\n     * @param {...*} [args] The arguments to invoke `func` with.\n     * @returns {number} Returns the timer id.\n     * @example\n     *\n     * _.delay(function(text) {\n     *   console.log(text);\n     * }, 1000, 'later');\n     * // => Logs 'later' after one second.\n     */\n    var delay = baseRest(function(func, wait, args) {\n      return baseDelay(func, toNumber(wait) || 0, args);\n    });\n\n    /**\n     * Creates a function that invokes `func` with arguments reversed.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Function\n     * @param {Function} func The function to flip arguments for.\n     * @returns {Function} Returns the new flipped function.\n     * @example\n     *\n     * var flipped = _.flip(function() {\n     *   return _.toArray(arguments);\n     * });\n     *\n     * flipped('a', 'b', 'c', 'd');\n     * // => ['d', 'c', 'b', 'a']\n     */\n    function flip(func) {\n      return createWrap(func, WRAP_FLIP_FLAG);\n    }\n\n    /**\n     * Creates a function that memoizes the result of `func`. If `resolver` is\n     * provided, it determines the cache key for storing the result based on the\n     * arguments provided to the memoized function. By default, the first argument\n     * provided to the memoized function is used as the map cache key. The `func`\n     * is invoked with the `this` binding of the memoized function.\n     *\n     * **Note:** The cache is exposed as the `cache` property on the memoized\n     * function. Its creation may be customized by replacing the `_.memoize.Cache`\n     * constructor with one whose instances implement the\n     * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)\n     * method interface of `clear`, `delete`, `get`, `has`, and `set`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to have its output memoized.\n     * @param {Function} [resolver] The function to resolve the cache key.\n     * @returns {Function} Returns the new memoized function.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2 };\n     * var other = { 'c': 3, 'd': 4 };\n     *\n     * var values = _.memoize(_.values);\n     * values(object);\n     * // => [1, 2]\n     *\n     * values(other);\n     * // => [3, 4]\n     *\n     * object.a = 2;\n     * values(object);\n     * // => [1, 2]\n     *\n     * // Modify the result cache.\n     * values.cache.set(object, ['a', 'b']);\n     * values(object);\n     * // => ['a', 'b']\n     *\n     * // Replace `_.memoize.Cache`.\n     * _.memoize.Cache = WeakMap;\n     */\n    function memoize(func, resolver) {\n      if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      var memoized = function() {\n        var args = arguments,\n            key = resolver ? resolver.apply(this, args) : args[0],\n            cache = memoized.cache;\n\n        if (cache.has(key)) {\n          return cache.get(key);\n        }\n        var result = func.apply(this, args);\n        memoized.cache = cache.set(key, result) || cache;\n        return result;\n      };\n      memoized.cache = new (memoize.Cache || MapCache);\n      return memoized;\n    }\n\n    // Expose `MapCache`.\n    memoize.Cache = MapCache;\n\n    /**\n     * Creates a function that negates the result of the predicate `func`. The\n     * `func` predicate is invoked with the `this` binding and arguments of the\n     * created function.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {Function} predicate The predicate to negate.\n     * @returns {Function} Returns the new negated function.\n     * @example\n     *\n     * function isEven(n) {\n     *   return n % 2 == 0;\n     * }\n     *\n     * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));\n     * // => [1, 3, 5]\n     */\n    function negate(predicate) {\n      if (typeof predicate != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      return function() {\n        var args = arguments;\n        switch (args.length) {\n          case 0: return !predicate.call(this);\n          case 1: return !predicate.call(this, args[0]);\n          case 2: return !predicate.call(this, args[0], args[1]);\n          case 3: return !predicate.call(this, args[0], args[1], args[2]);\n        }\n        return !predicate.apply(this, args);\n      };\n    }\n\n    /**\n     * Creates a function that is restricted to invoking `func` once. Repeat calls\n     * to the function return the value of the first invocation. The `func` is\n     * invoked with the `this` binding and arguments of the created function.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new restricted function.\n     * @example\n     *\n     * var initialize = _.once(createApplication);\n     * initialize();\n     * initialize();\n     * // => `createApplication` is invoked once\n     */\n    function once(func) {\n      return before(2, func);\n    }\n\n    /**\n     * Creates a function that invokes `func` with its arguments transformed.\n     *\n     * @static\n     * @since 4.0.0\n     * @memberOf _\n     * @category Function\n     * @param {Function} func The function to wrap.\n     * @param {...(Function|Function[])} [transforms=[_.identity]]\n     *  The argument transforms.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * function doubled(n) {\n     *   return n * 2;\n     * }\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var func = _.overArgs(function(x, y) {\n     *   return [x, y];\n     * }, [square, doubled]);\n     *\n     * func(9, 3);\n     * // => [81, 6]\n     *\n     * func(10, 5);\n     * // => [100, 10]\n     */\n    var overArgs = castRest(function(func, transforms) {\n      transforms = (transforms.length == 1 && isArray(transforms[0]))\n        ? arrayMap(transforms[0], baseUnary(getIteratee()))\n        : arrayMap(baseFlatten(transforms, 1), baseUnary(getIteratee()));\n\n      var funcsLength = transforms.length;\n      return baseRest(function(args) {\n        var index = -1,\n            length = nativeMin(args.length, funcsLength);\n\n        while (++index < length) {\n          args[index] = transforms[index].call(this, args[index]);\n        }\n        return apply(func, this, args);\n      });\n    });\n\n    /**\n     * Creates a function that invokes `func` with `partials` prepended to the\n     * arguments it receives. This method is like `_.bind` except it does **not**\n     * alter the `this` binding.\n     *\n     * The `_.partial.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for partially applied arguments.\n     *\n     * **Note:** This method doesn't set the \"length\" property of partially\n     * applied functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.2.0\n     * @category Function\n     * @param {Function} func The function to partially apply arguments to.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new partially applied function.\n     * @example\n     *\n     * function greet(greeting, name) {\n     *   return greeting + ' ' + name;\n     * }\n     *\n     * var sayHelloTo = _.partial(greet, 'hello');\n     * sayHelloTo('fred');\n     * // => 'hello fred'\n     *\n     * // Partially applied with placeholders.\n     * var greetFred = _.partial(greet, _, 'fred');\n     * greetFred('hi');\n     * // => 'hi fred'\n     */\n    var partial = baseRest(function(func, partials) {\n      var holders = replaceHolders(partials, getHolder(partial));\n      return createWrap(func, WRAP_PARTIAL_FLAG, undefined, partials, holders);\n    });\n\n    /**\n     * This method is like `_.partial` except that partially applied arguments\n     * are appended to the arguments it receives.\n     *\n     * The `_.partialRight.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for partially applied arguments.\n     *\n     * **Note:** This method doesn't set the \"length\" property of partially\n     * applied functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.0.0\n     * @category Function\n     * @param {Function} func The function to partially apply arguments to.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new partially applied function.\n     * @example\n     *\n     * function greet(greeting, name) {\n     *   return greeting + ' ' + name;\n     * }\n     *\n     * var greetFred = _.partialRight(greet, 'fred');\n     * greetFred('hi');\n     * // => 'hi fred'\n     *\n     * // Partially applied with placeholders.\n     * var sayHelloTo = _.partialRight(greet, 'hello', _);\n     * sayHelloTo('fred');\n     * // => 'hello fred'\n     */\n    var partialRight = baseRest(function(func, partials) {\n      var holders = replaceHolders(partials, getHolder(partialRight));\n      return createWrap(func, WRAP_PARTIAL_RIGHT_FLAG, undefined, partials, holders);\n    });\n\n    /**\n     * Creates a function that invokes `func` with arguments arranged according\n     * to the specified `indexes` where the argument value at the first index is\n     * provided as the first argument, the argument value at the second index is\n     * provided as the second argument, and so on.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {Function} func The function to rearrange arguments for.\n     * @param {...(number|number[])} indexes The arranged argument indexes.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var rearged = _.rearg(function(a, b, c) {\n     *   return [a, b, c];\n     * }, [2, 0, 1]);\n     *\n     * rearged('b', 'c', 'a')\n     * // => ['a', 'b', 'c']\n     */\n    var rearg = flatRest(function(func, indexes) {\n      return createWrap(func, WRAP_REARG_FLAG, undefined, undefined, undefined, indexes);\n    });\n\n    /**\n     * Creates a function that invokes `func` with the `this` binding of the\n     * created function and arguments from `start` and beyond provided as\n     * an array.\n     *\n     * **Note:** This method is based on the\n     * [rest parameter](https://mdn.io/rest_parameters).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Function\n     * @param {Function} func The function to apply a rest parameter to.\n     * @param {number} [start=func.length-1] The start position of the rest parameter.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var say = _.rest(function(what, names) {\n     *   return what + ' ' + _.initial(names).join(', ') +\n     *     (_.size(names) > 1 ? ', & ' : '') + _.last(names);\n     * });\n     *\n     * say('hello', 'fred', 'barney', 'pebbles');\n     * // => 'hello fred, barney, & pebbles'\n     */\n    function rest(func, start) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      start = start === undefined ? start : toInteger(start);\n      return baseRest(func, start);\n    }\n\n    /**\n     * Creates a function that invokes `func` with the `this` binding of the\n     * create function and an array of arguments much like\n     * [`Function#apply`](http://www.ecma-international.org/ecma-262/7.0/#sec-function.prototype.apply).\n     *\n     * **Note:** This method is based on the\n     * [spread operator](https://mdn.io/spread_operator).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.2.0\n     * @category Function\n     * @param {Function} func The function to spread arguments over.\n     * @param {number} [start=0] The start position of the spread.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var say = _.spread(function(who, what) {\n     *   return who + ' says ' + what;\n     * });\n     *\n     * say(['fred', 'hello']);\n     * // => 'fred says hello'\n     *\n     * var numbers = Promise.all([\n     *   Promise.resolve(40),\n     *   Promise.resolve(36)\n     * ]);\n     *\n     * numbers.then(_.spread(function(x, y) {\n     *   return x + y;\n     * }));\n     * // => a Promise of 76\n     */\n    function spread(func, start) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      start = start == null ? 0 : nativeMax(toInteger(start), 0);\n      return baseRest(function(args) {\n        var array = args[start],\n            otherArgs = castSlice(args, 0, start);\n\n        if (array) {\n          arrayPush(otherArgs, array);\n        }\n        return apply(func, this, otherArgs);\n      });\n    }\n\n    /**\n     * Creates a throttled function that only invokes `func` at most once per\n     * every `wait` milliseconds. The throttled function comes with a `cancel`\n     * method to cancel delayed `func` invocations and a `flush` method to\n     * immediately invoke them. Provide `options` to indicate whether `func`\n     * should be invoked on the leading and/or trailing edge of the `wait`\n     * timeout. The `func` is invoked with the last arguments provided to the\n     * throttled function. Subsequent calls to the throttled function return the\n     * result of the last `func` invocation.\n     *\n     * **Note:** If `leading` and `trailing` options are `true`, `func` is\n     * invoked on the trailing edge of the timeout only if the throttled function\n     * is invoked more than once during the `wait` timeout.\n     *\n     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n     * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n     *\n     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n     * for details over the differences between `_.throttle` and `_.debounce`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to throttle.\n     * @param {number} [wait=0] The number of milliseconds to throttle invocations to.\n     * @param {Object} [options={}] The options object.\n     * @param {boolean} [options.leading=true]\n     *  Specify invoking on the leading edge of the timeout.\n     * @param {boolean} [options.trailing=true]\n     *  Specify invoking on the trailing edge of the timeout.\n     * @returns {Function} Returns the new throttled function.\n     * @example\n     *\n     * // Avoid excessively updating the position while scrolling.\n     * jQuery(window).on('scroll', _.throttle(updatePosition, 100));\n     *\n     * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes.\n     * var throttled = _.throttle(renewToken, 300000, { 'trailing': false });\n     * jQuery(element).on('click', throttled);\n     *\n     * // Cancel the trailing throttled invocation.\n     * jQuery(window).on('popstate', throttled.cancel);\n     */\n    function throttle(func, wait, options) {\n      var leading = true,\n          trailing = true;\n\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      if (isObject(options)) {\n        leading = 'leading' in options ? !!options.leading : leading;\n        trailing = 'trailing' in options ? !!options.trailing : trailing;\n      }\n      return debounce(func, wait, {\n        'leading': leading,\n        'maxWait': wait,\n        'trailing': trailing\n      });\n    }\n\n    /**\n     * Creates a function that accepts up to one argument, ignoring any\n     * additional arguments.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Function\n     * @param {Function} func The function to cap arguments for.\n     * @returns {Function} Returns the new capped function.\n     * @example\n     *\n     * _.map(['6', '8', '10'], _.unary(parseInt));\n     * // => [6, 8, 10]\n     */\n    function unary(func) {\n      return ary(func, 1);\n    }\n\n    /**\n     * Creates a function that provides `value` to `wrapper` as its first\n     * argument. Any additional arguments provided to the function are appended\n     * to those provided to the `wrapper`. The wrapper is invoked with the `this`\n     * binding of the created function.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {*} value The value to wrap.\n     * @param {Function} [wrapper=identity] The wrapper function.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var p = _.wrap(_.escape, function(func, text) {\n     *   return '<p>' + func(text) + '</p>';\n     * });\n     *\n     * p('fred, barney, & pebbles');\n     * // => '<p>fred, barney, &amp; pebbles</p>'\n     */\n    function wrap(value, wrapper) {\n      return partial(castFunction(wrapper), value);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Casts `value` as an array if it's not one.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.4.0\n     * @category Lang\n     * @param {*} value The value to inspect.\n     * @returns {Array} Returns the cast array.\n     * @example\n     *\n     * _.castArray(1);\n     * // => [1]\n     *\n     * _.castArray({ 'a': 1 });\n     * // => [{ 'a': 1 }]\n     *\n     * _.castArray('abc');\n     * // => ['abc']\n     *\n     * _.castArray(null);\n     * // => [null]\n     *\n     * _.castArray(undefined);\n     * // => [undefined]\n     *\n     * _.castArray();\n     * // => []\n     *\n     * var array = [1, 2, 3];\n     * console.log(_.castArray(array) === array);\n     * // => true\n     */\n    function castArray() {\n      if (!arguments.length) {\n        return [];\n      }\n      var value = arguments[0];\n      return isArray(value) ? value : [value];\n    }\n\n    /**\n     * Creates a shallow clone of `value`.\n     *\n     * **Note:** This method is loosely based on the\n     * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm)\n     * and supports cloning arrays, array buffers, booleans, date objects, maps,\n     * numbers, `Object` objects, regexes, sets, strings, symbols, and typed\n     * arrays. The own enumerable properties of `arguments` objects are cloned\n     * as plain objects. An empty object is returned for uncloneable values such\n     * as error objects, functions, DOM nodes, and WeakMaps.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to clone.\n     * @returns {*} Returns the cloned value.\n     * @see _.cloneDeep\n     * @example\n     *\n     * var objects = [{ 'a': 1 }, { 'b': 2 }];\n     *\n     * var shallow = _.clone(objects);\n     * console.log(shallow[0] === objects[0]);\n     * // => true\n     */\n    function clone(value) {\n      return baseClone(value, CLONE_SYMBOLS_FLAG);\n    }\n\n    /**\n     * This method is like `_.clone` except that it accepts `customizer` which\n     * is invoked to produce the cloned value. If `customizer` returns `undefined`,\n     * cloning is handled by the method instead. The `customizer` is invoked with\n     * up to four arguments; (value [, index|key, object, stack]).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to clone.\n     * @param {Function} [customizer] The function to customize cloning.\n     * @returns {*} Returns the cloned value.\n     * @see _.cloneDeepWith\n     * @example\n     *\n     * function customizer(value) {\n     *   if (_.isElement(value)) {\n     *     return value.cloneNode(false);\n     *   }\n     * }\n     *\n     * var el = _.cloneWith(document.body, customizer);\n     *\n     * console.log(el === document.body);\n     * // => false\n     * console.log(el.nodeName);\n     * // => 'BODY'\n     * console.log(el.childNodes.length);\n     * // => 0\n     */\n    function cloneWith(value, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return baseClone(value, CLONE_SYMBOLS_FLAG, customizer);\n    }\n\n    /**\n     * This method is like `_.clone` except that it recursively clones `value`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.0.0\n     * @category Lang\n     * @param {*} value The value to recursively clone.\n     * @returns {*} Returns the deep cloned value.\n     * @see _.clone\n     * @example\n     *\n     * var objects = [{ 'a': 1 }, { 'b': 2 }];\n     *\n     * var deep = _.cloneDeep(objects);\n     * console.log(deep[0] === objects[0]);\n     * // => false\n     */\n    function cloneDeep(value) {\n      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG);\n    }\n\n    /**\n     * This method is like `_.cloneWith` except that it recursively clones `value`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to recursively clone.\n     * @param {Function} [customizer] The function to customize cloning.\n     * @returns {*} Returns the deep cloned value.\n     * @see _.cloneWith\n     * @example\n     *\n     * function customizer(value) {\n     *   if (_.isElement(value)) {\n     *     return value.cloneNode(true);\n     *   }\n     * }\n     *\n     * var el = _.cloneDeepWith(document.body, customizer);\n     *\n     * console.log(el === document.body);\n     * // => false\n     * console.log(el.nodeName);\n     * // => 'BODY'\n     * console.log(el.childNodes.length);\n     * // => 20\n     */\n    function cloneDeepWith(value, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer);\n    }\n\n    /**\n     * Checks if `object` conforms to `source` by invoking the predicate\n     * properties of `source` with the corresponding property values of `object`.\n     *\n     * **Note:** This method is equivalent to `_.conforms` when `source` is\n     * partially applied.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.14.0\n     * @category Lang\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property predicates to conform to.\n     * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2 };\n     *\n     * _.conformsTo(object, { 'b': function(n) { return n > 1; } });\n     * // => true\n     *\n     * _.conformsTo(object, { 'b': function(n) { return n > 2; } });\n     * // => false\n     */\n    function conformsTo(object, source) {\n      return source == null || baseConformsTo(object, source, keys(source));\n    }\n\n    /**\n     * Performs a\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * comparison between two values to determine if they are equivalent.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     * @example\n     *\n     * var object = { 'a': 1 };\n     * var other = { 'a': 1 };\n     *\n     * _.eq(object, object);\n     * // => true\n     *\n     * _.eq(object, other);\n     * // => false\n     *\n     * _.eq('a', 'a');\n     * // => true\n     *\n     * _.eq('a', Object('a'));\n     * // => false\n     *\n     * _.eq(NaN, NaN);\n     * // => true\n     */\n    function eq(value, other) {\n      return value === other || (value !== value && other !== other);\n    }\n\n    /**\n     * Checks if `value` is greater than `other`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.9.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is greater than `other`,\n     *  else `false`.\n     * @see _.lt\n     * @example\n     *\n     * _.gt(3, 1);\n     * // => true\n     *\n     * _.gt(3, 3);\n     * // => false\n     *\n     * _.gt(1, 3);\n     * // => false\n     */\n    var gt = createRelationalOperation(baseGt);\n\n    /**\n     * Checks if `value` is greater than or equal to `other`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.9.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is greater than or equal to\n     *  `other`, else `false`.\n     * @see _.lte\n     * @example\n     *\n     * _.gte(3, 1);\n     * // => true\n     *\n     * _.gte(3, 3);\n     * // => true\n     *\n     * _.gte(1, 3);\n     * // => false\n     */\n    var gte = createRelationalOperation(function(value, other) {\n      return value >= other;\n    });\n\n    /**\n     * Checks if `value` is likely an `arguments` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n     *  else `false`.\n     * @example\n     *\n     * _.isArguments(function() { return arguments; }());\n     * // => true\n     *\n     * _.isArguments([1, 2, 3]);\n     * // => false\n     */\n    var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {\n      return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&\n        !propertyIsEnumerable.call(value, 'callee');\n    };\n\n    /**\n     * Checks if `value` is classified as an `Array` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an array, else `false`.\n     * @example\n     *\n     * _.isArray([1, 2, 3]);\n     * // => true\n     *\n     * _.isArray(document.body.children);\n     * // => false\n     *\n     * _.isArray('abc');\n     * // => false\n     *\n     * _.isArray(_.noop);\n     * // => false\n     */\n    var isArray = Array.isArray;\n\n    /**\n     * Checks if `value` is classified as an `ArrayBuffer` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n     * @example\n     *\n     * _.isArrayBuffer(new ArrayBuffer(2));\n     * // => true\n     *\n     * _.isArrayBuffer(new Array(2));\n     * // => false\n     */\n    var isArrayBuffer = nodeIsArrayBuffer ? baseUnary(nodeIsArrayBuffer) : baseIsArrayBuffer;\n\n    /**\n     * Checks if `value` is array-like. A value is considered array-like if it's\n     * not a function and has a `value.length` that's an integer greater than or\n     * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is array-like, else `false`.\n     * @example\n     *\n     * _.isArrayLike([1, 2, 3]);\n     * // => true\n     *\n     * _.isArrayLike(document.body.children);\n     * // => true\n     *\n     * _.isArrayLike('abc');\n     * // => true\n     *\n     * _.isArrayLike(_.noop);\n     * // => false\n     */\n    function isArrayLike(value) {\n      return value != null && isLength(value.length) && !isFunction(value);\n    }\n\n    /**\n     * This method is like `_.isArrayLike` except that it also checks if `value`\n     * is an object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an array-like object,\n     *  else `false`.\n     * @example\n     *\n     * _.isArrayLikeObject([1, 2, 3]);\n     * // => true\n     *\n     * _.isArrayLikeObject(document.body.children);\n     * // => true\n     *\n     * _.isArrayLikeObject('abc');\n     * // => false\n     *\n     * _.isArrayLikeObject(_.noop);\n     * // => false\n     */\n    function isArrayLikeObject(value) {\n      return isObjectLike(value) && isArrayLike(value);\n    }\n\n    /**\n     * Checks if `value` is classified as a boolean primitive or object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a boolean, else `false`.\n     * @example\n     *\n     * _.isBoolean(false);\n     * // => true\n     *\n     * _.isBoolean(null);\n     * // => false\n     */\n    function isBoolean(value) {\n      return value === true || value === false ||\n        (isObjectLike(value) && baseGetTag(value) == boolTag);\n    }\n\n    /**\n     * Checks if `value` is a buffer.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.\n     * @example\n     *\n     * _.isBuffer(new Buffer(2));\n     * // => true\n     *\n     * _.isBuffer(new Uint8Array(2));\n     * // => false\n     */\n    var isBuffer = nativeIsBuffer || stubFalse;\n\n    /**\n     * Checks if `value` is classified as a `Date` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n     * @example\n     *\n     * _.isDate(new Date);\n     * // => true\n     *\n     * _.isDate('Mon April 23 2012');\n     * // => false\n     */\n    var isDate = nodeIsDate ? baseUnary(nodeIsDate) : baseIsDate;\n\n    /**\n     * Checks if `value` is likely a DOM element.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`.\n     * @example\n     *\n     * _.isElement(document.body);\n     * // => true\n     *\n     * _.isElement('<body>');\n     * // => false\n     */\n    function isElement(value) {\n      return isObjectLike(value) && value.nodeType === 1 && !isPlainObject(value);\n    }\n\n    /**\n     * Checks if `value` is an empty object, collection, map, or set.\n     *\n     * Objects are considered empty if they have no own enumerable string keyed\n     * properties.\n     *\n     * Array-like values such as `arguments` objects, arrays, buffers, strings, or\n     * jQuery-like collections are considered empty if they have a `length` of `0`.\n     * Similarly, maps and sets are considered empty if they have a `size` of `0`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is empty, else `false`.\n     * @example\n     *\n     * _.isEmpty(null);\n     * // => true\n     *\n     * _.isEmpty(true);\n     * // => true\n     *\n     * _.isEmpty(1);\n     * // => true\n     *\n     * _.isEmpty([1, 2, 3]);\n     * // => false\n     *\n     * _.isEmpty({ 'a': 1 });\n     * // => false\n     */\n    function isEmpty(value) {\n      if (value == null) {\n        return true;\n      }\n      if (isArrayLike(value) &&\n          (isArray(value) || typeof value == 'string' || typeof value.splice == 'function' ||\n            isBuffer(value) || isTypedArray(value) || isArguments(value))) {\n        return !value.length;\n      }\n      var tag = getTag(value);\n      if (tag == mapTag || tag == setTag) {\n        return !value.size;\n      }\n      if (isPrototype(value)) {\n        return !baseKeys(value).length;\n      }\n      for (var key in value) {\n        if (hasOwnProperty.call(value, key)) {\n          return false;\n        }\n      }\n      return true;\n    }\n\n    /**\n     * Performs a deep comparison between two values to determine if they are\n     * equivalent.\n     *\n     * **Note:** This method supports comparing arrays, array buffers, booleans,\n     * date objects, error objects, maps, numbers, `Object` objects, regexes,\n     * sets, strings, symbols, and typed arrays. `Object` objects are compared\n     * by their own, not inherited, enumerable properties. Functions and DOM\n     * nodes are compared by strict equality, i.e. `===`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     * @example\n     *\n     * var object = { 'a': 1 };\n     * var other = { 'a': 1 };\n     *\n     * _.isEqual(object, other);\n     * // => true\n     *\n     * object === other;\n     * // => false\n     */\n    function isEqual(value, other) {\n      return baseIsEqual(value, other);\n    }\n\n    /**\n     * This method is like `_.isEqual` except that it accepts `customizer` which\n     * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n     * are handled by the method instead. The `customizer` is invoked with up to\n     * six arguments: (objValue, othValue [, index|key, object, other, stack]).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @param {Function} [customizer] The function to customize comparisons.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     * @example\n     *\n     * function isGreeting(value) {\n     *   return /^h(?:i|ello)$/.test(value);\n     * }\n     *\n     * function customizer(objValue, othValue) {\n     *   if (isGreeting(objValue) && isGreeting(othValue)) {\n     *     return true;\n     *   }\n     * }\n     *\n     * var array = ['hello', 'goodbye'];\n     * var other = ['hi', 'goodbye'];\n     *\n     * _.isEqualWith(array, other, customizer);\n     * // => true\n     */\n    function isEqualWith(value, other, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      var result = customizer ? customizer(value, other) : undefined;\n      return result === undefined ? baseIsEqual(value, other, undefined, customizer) : !!result;\n    }\n\n    /**\n     * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`,\n     * `SyntaxError`, `TypeError`, or `URIError` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an error object, else `false`.\n     * @example\n     *\n     * _.isError(new Error);\n     * // => true\n     *\n     * _.isError(Error);\n     * // => false\n     */\n    function isError(value) {\n      if (!isObjectLike(value)) {\n        return false;\n      }\n      var tag = baseGetTag(value);\n      return tag == errorTag || tag == domExcTag ||\n        (typeof value.message == 'string' && typeof value.name == 'string' && !isPlainObject(value));\n    }\n\n    /**\n     * Checks if `value` is a finite primitive number.\n     *\n     * **Note:** This method is based on\n     * [`Number.isFinite`](https://mdn.io/Number/isFinite).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a finite number, else `false`.\n     * @example\n     *\n     * _.isFinite(3);\n     * // => true\n     *\n     * _.isFinite(Number.MIN_VALUE);\n     * // => true\n     *\n     * _.isFinite(Infinity);\n     * // => false\n     *\n     * _.isFinite('3');\n     * // => false\n     */\n    function isFinite(value) {\n      return typeof value == 'number' && nativeIsFinite(value);\n    }\n\n    /**\n     * Checks if `value` is classified as a `Function` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a function, else `false`.\n     * @example\n     *\n     * _.isFunction(_);\n     * // => true\n     *\n     * _.isFunction(/abc/);\n     * // => false\n     */\n    function isFunction(value) {\n      if (!isObject(value)) {\n        return false;\n      }\n      // The use of `Object#toString` avoids issues with the `typeof` operator\n      // in Safari 9 which returns 'object' for typed arrays and other constructors.\n      var tag = baseGetTag(value);\n      return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;\n    }\n\n    /**\n     * Checks if `value` is an integer.\n     *\n     * **Note:** This method is based on\n     * [`Number.isInteger`](https://mdn.io/Number/isInteger).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an integer, else `false`.\n     * @example\n     *\n     * _.isInteger(3);\n     * // => true\n     *\n     * _.isInteger(Number.MIN_VALUE);\n     * // => false\n     *\n     * _.isInteger(Infinity);\n     * // => false\n     *\n     * _.isInteger('3');\n     * // => false\n     */\n    function isInteger(value) {\n      return typeof value == 'number' && value == toInteger(value);\n    }\n\n    /**\n     * Checks if `value` is a valid array-like length.\n     *\n     * **Note:** This method is loosely based on\n     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.\n     * @example\n     *\n     * _.isLength(3);\n     * // => true\n     *\n     * _.isLength(Number.MIN_VALUE);\n     * // => false\n     *\n     * _.isLength(Infinity);\n     * // => false\n     *\n     * _.isLength('3');\n     * // => false\n     */\n    function isLength(value) {\n      return typeof value == 'number' &&\n        value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;\n    }\n\n    /**\n     * Checks if `value` is the\n     * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)\n     * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an object, else `false`.\n     * @example\n     *\n     * _.isObject({});\n     * // => true\n     *\n     * _.isObject([1, 2, 3]);\n     * // => true\n     *\n     * _.isObject(_.noop);\n     * // => true\n     *\n     * _.isObject(null);\n     * // => false\n     */\n    function isObject(value) {\n      var type = typeof value;\n      return value != null && (type == 'object' || type == 'function');\n    }\n\n    /**\n     * Checks if `value` is object-like. A value is object-like if it's not `null`\n     * and has a `typeof` result of \"object\".\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n     * @example\n     *\n     * _.isObjectLike({});\n     * // => true\n     *\n     * _.isObjectLike([1, 2, 3]);\n     * // => true\n     *\n     * _.isObjectLike(_.noop);\n     * // => false\n     *\n     * _.isObjectLike(null);\n     * // => false\n     */\n    function isObjectLike(value) {\n      return value != null && typeof value == 'object';\n    }\n\n    /**\n     * Checks if `value` is classified as a `Map` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n     * @example\n     *\n     * _.isMap(new Map);\n     * // => true\n     *\n     * _.isMap(new WeakMap);\n     * // => false\n     */\n    var isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap;\n\n    /**\n     * Performs a partial deep comparison between `object` and `source` to\n     * determine if `object` contains equivalent property values.\n     *\n     * **Note:** This method is equivalent to `_.matches` when `source` is\n     * partially applied.\n     *\n     * Partial comparisons will match empty array and empty object `source`\n     * values against any array or object value, respectively. See `_.isEqual`\n     * for a list of supported value comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property values to match.\n     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2 };\n     *\n     * _.isMatch(object, { 'b': 2 });\n     * // => true\n     *\n     * _.isMatch(object, { 'b': 1 });\n     * // => false\n     */\n    function isMatch(object, source) {\n      return object === source || baseIsMatch(object, source, getMatchData(source));\n    }\n\n    /**\n     * This method is like `_.isMatch` except that it accepts `customizer` which\n     * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n     * are handled by the method instead. The `customizer` is invoked with five\n     * arguments: (objValue, srcValue, index|key, object, source).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property values to match.\n     * @param {Function} [customizer] The function to customize comparisons.\n     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n     * @example\n     *\n     * function isGreeting(value) {\n     *   return /^h(?:i|ello)$/.test(value);\n     * }\n     *\n     * function customizer(objValue, srcValue) {\n     *   if (isGreeting(objValue) && isGreeting(srcValue)) {\n     *     return true;\n     *   }\n     * }\n     *\n     * var object = { 'greeting': 'hello' };\n     * var source = { 'greeting': 'hi' };\n     *\n     * _.isMatchWith(object, source, customizer);\n     * // => true\n     */\n    function isMatchWith(object, source, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return baseIsMatch(object, source, getMatchData(source), customizer);\n    }\n\n    /**\n     * Checks if `value` is `NaN`.\n     *\n     * **Note:** This method is based on\n     * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as\n     * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for\n     * `undefined` and other non-number values.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n     * @example\n     *\n     * _.isNaN(NaN);\n     * // => true\n     *\n     * _.isNaN(new Number(NaN));\n     * // => true\n     *\n     * isNaN(undefined);\n     * // => true\n     *\n     * _.isNaN(undefined);\n     * // => false\n     */\n    function isNaN(value) {\n      // An `NaN` primitive is the only value that is not equal to itself.\n      // Perform the `toStringTag` check first to avoid errors with some\n      // ActiveX objects in IE.\n      return isNumber(value) && value != +value;\n    }\n\n    /**\n     * Checks if `value` is a pristine native function.\n     *\n     * **Note:** This method can't reliably detect native functions in the presence\n     * of the core-js package because core-js circumvents this kind of detection.\n     * Despite multiple requests, the core-js maintainer has made it clear: any\n     * attempt to fix the detection will be obstructed. As a result, we're left\n     * with little choice but to throw an error. Unfortunately, this also affects\n     * packages, like [babel-polyfill](https://www.npmjs.com/package/babel-polyfill),\n     * which rely on core-js.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a native function,\n     *  else `false`.\n     * @example\n     *\n     * _.isNative(Array.prototype.push);\n     * // => true\n     *\n     * _.isNative(_);\n     * // => false\n     */\n    function isNative(value) {\n      if (isMaskable(value)) {\n        throw new Error(CORE_ERROR_TEXT);\n      }\n      return baseIsNative(value);\n    }\n\n    /**\n     * Checks if `value` is `null`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is `null`, else `false`.\n     * @example\n     *\n     * _.isNull(null);\n     * // => true\n     *\n     * _.isNull(void 0);\n     * // => false\n     */\n    function isNull(value) {\n      return value === null;\n    }\n\n    /**\n     * Checks if `value` is `null` or `undefined`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is nullish, else `false`.\n     * @example\n     *\n     * _.isNil(null);\n     * // => true\n     *\n     * _.isNil(void 0);\n     * // => true\n     *\n     * _.isNil(NaN);\n     * // => false\n     */\n    function isNil(value) {\n      return value == null;\n    }\n\n    /**\n     * Checks if `value` is classified as a `Number` primitive or object.\n     *\n     * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are\n     * classified as numbers, use the `_.isFinite` method.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a number, else `false`.\n     * @example\n     *\n     * _.isNumber(3);\n     * // => true\n     *\n     * _.isNumber(Number.MIN_VALUE);\n     * // => true\n     *\n     * _.isNumber(Infinity);\n     * // => true\n     *\n     * _.isNumber('3');\n     * // => false\n     */\n    function isNumber(value) {\n      return typeof value == 'number' ||\n        (isObjectLike(value) && baseGetTag(value) == numberTag);\n    }\n\n    /**\n     * Checks if `value` is a plain object, that is, an object created by the\n     * `Object` constructor or one with a `[[Prototype]]` of `null`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.8.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     * }\n     *\n     * _.isPlainObject(new Foo);\n     * // => false\n     *\n     * _.isPlainObject([1, 2, 3]);\n     * // => false\n     *\n     * _.isPlainObject({ 'x': 0, 'y': 0 });\n     * // => true\n     *\n     * _.isPlainObject(Object.create(null));\n     * // => true\n     */\n    function isPlainObject(value) {\n      if (!isObjectLike(value) || baseGetTag(value) != objectTag) {\n        return false;\n      }\n      var proto = getPrototype(value);\n      if (proto === null) {\n        return true;\n      }\n      var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;\n      return typeof Ctor == 'function' && Ctor instanceof Ctor &&\n        funcToString.call(Ctor) == objectCtorString;\n    }\n\n    /**\n     * Checks if `value` is classified as a `RegExp` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n     * @example\n     *\n     * _.isRegExp(/abc/);\n     * // => true\n     *\n     * _.isRegExp('/abc/');\n     * // => false\n     */\n    var isRegExp = nodeIsRegExp ? baseUnary(nodeIsRegExp) : baseIsRegExp;\n\n    /**\n     * Checks if `value` is a safe integer. An integer is safe if it's an IEEE-754\n     * double precision number which isn't the result of a rounded unsafe integer.\n     *\n     * **Note:** This method is based on\n     * [`Number.isSafeInteger`](https://mdn.io/Number/isSafeInteger).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a safe integer, else `false`.\n     * @example\n     *\n     * _.isSafeInteger(3);\n     * // => true\n     *\n     * _.isSafeInteger(Number.MIN_VALUE);\n     * // => false\n     *\n     * _.isSafeInteger(Infinity);\n     * // => false\n     *\n     * _.isSafeInteger('3');\n     * // => false\n     */\n    function isSafeInteger(value) {\n      return isInteger(value) && value >= -MAX_SAFE_INTEGER && value <= MAX_SAFE_INTEGER;\n    }\n\n    /**\n     * Checks if `value` is classified as a `Set` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n     * @example\n     *\n     * _.isSet(new Set);\n     * // => true\n     *\n     * _.isSet(new WeakSet);\n     * // => false\n     */\n    var isSet = nodeIsSet ? baseUnary(nodeIsSet) : baseIsSet;\n\n    /**\n     * Checks if `value` is classified as a `String` primitive or object.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a string, else `false`.\n     * @example\n     *\n     * _.isString('abc');\n     * // => true\n     *\n     * _.isString(1);\n     * // => false\n     */\n    function isString(value) {\n      return typeof value == 'string' ||\n        (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag);\n    }\n\n    /**\n     * Checks if `value` is classified as a `Symbol` primitive or object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.\n     * @example\n     *\n     * _.isSymbol(Symbol.iterator);\n     * // => true\n     *\n     * _.isSymbol('abc');\n     * // => false\n     */\n    function isSymbol(value) {\n      return typeof value == 'symbol' ||\n        (isObjectLike(value) && baseGetTag(value) == symbolTag);\n    }\n\n    /**\n     * Checks if `value` is classified as a typed array.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n     * @example\n     *\n     * _.isTypedArray(new Uint8Array);\n     * // => true\n     *\n     * _.isTypedArray([]);\n     * // => false\n     */\n    var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;\n\n    /**\n     * Checks if `value` is `undefined`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.\n     * @example\n     *\n     * _.isUndefined(void 0);\n     * // => true\n     *\n     * _.isUndefined(null);\n     * // => false\n     */\n    function isUndefined(value) {\n      return value === undefined;\n    }\n\n    /**\n     * Checks if `value` is classified as a `WeakMap` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a weak map, else `false`.\n     * @example\n     *\n     * _.isWeakMap(new WeakMap);\n     * // => true\n     *\n     * _.isWeakMap(new Map);\n     * // => false\n     */\n    function isWeakMap(value) {\n      return isObjectLike(value) && getTag(value) == weakMapTag;\n    }\n\n    /**\n     * Checks if `value` is classified as a `WeakSet` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a weak set, else `false`.\n     * @example\n     *\n     * _.isWeakSet(new WeakSet);\n     * // => true\n     *\n     * _.isWeakSet(new Set);\n     * // => false\n     */\n    function isWeakSet(value) {\n      return isObjectLike(value) && baseGetTag(value) == weakSetTag;\n    }\n\n    /**\n     * Checks if `value` is less than `other`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.9.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is less than `other`,\n     *  else `false`.\n     * @see _.gt\n     * @example\n     *\n     * _.lt(1, 3);\n     * // => true\n     *\n     * _.lt(3, 3);\n     * // => false\n     *\n     * _.lt(3, 1);\n     * // => false\n     */\n    var lt = createRelationalOperation(baseLt);\n\n    /**\n     * Checks if `value` is less than or equal to `other`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.9.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is less than or equal to\n     *  `other`, else `false`.\n     * @see _.gte\n     * @example\n     *\n     * _.lte(1, 3);\n     * // => true\n     *\n     * _.lte(3, 3);\n     * // => true\n     *\n     * _.lte(3, 1);\n     * // => false\n     */\n    var lte = createRelationalOperation(function(value, other) {\n      return value <= other;\n    });\n\n    /**\n     * Converts `value` to an array.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {Array} Returns the converted array.\n     * @example\n     *\n     * _.toArray({ 'a': 1, 'b': 2 });\n     * // => [1, 2]\n     *\n     * _.toArray('abc');\n     * // => ['a', 'b', 'c']\n     *\n     * _.toArray(1);\n     * // => []\n     *\n     * _.toArray(null);\n     * // => []\n     */\n    function toArray(value) {\n      if (!value) {\n        return [];\n      }\n      if (isArrayLike(value)) {\n        return isString(value) ? stringToArray(value) : copyArray(value);\n      }\n      if (symIterator && value[symIterator]) {\n        return iteratorToArray(value[symIterator]());\n      }\n      var tag = getTag(value),\n          func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values);\n\n      return func(value);\n    }\n\n    /**\n     * Converts `value` to a finite number.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.12.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {number} Returns the converted number.\n     * @example\n     *\n     * _.toFinite(3.2);\n     * // => 3.2\n     *\n     * _.toFinite(Number.MIN_VALUE);\n     * // => 5e-324\n     *\n     * _.toFinite(Infinity);\n     * // => 1.7976931348623157e+308\n     *\n     * _.toFinite('3.2');\n     * // => 3.2\n     */\n    function toFinite(value) {\n      if (!value) {\n        return value === 0 ? value : 0;\n      }\n      value = toNumber(value);\n      if (value === INFINITY || value === -INFINITY) {\n        var sign = (value < 0 ? -1 : 1);\n        return sign * MAX_INTEGER;\n      }\n      return value === value ? value : 0;\n    }\n\n    /**\n     * Converts `value` to an integer.\n     *\n     * **Note:** This method is loosely based on\n     * [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#sec-tointeger).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.toInteger(3.2);\n     * // => 3\n     *\n     * _.toInteger(Number.MIN_VALUE);\n     * // => 0\n     *\n     * _.toInteger(Infinity);\n     * // => 1.7976931348623157e+308\n     *\n     * _.toInteger('3.2');\n     * // => 3\n     */\n    function toInteger(value) {\n      var result = toFinite(value),\n          remainder = result % 1;\n\n      return result === result ? (remainder ? result - remainder : result) : 0;\n    }\n\n    /**\n     * Converts `value` to an integer suitable for use as the length of an\n     * array-like object.\n     *\n     * **Note:** This method is based on\n     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.toLength(3.2);\n     * // => 3\n     *\n     * _.toLength(Number.MIN_VALUE);\n     * // => 0\n     *\n     * _.toLength(Infinity);\n     * // => 4294967295\n     *\n     * _.toLength('3.2');\n     * // => 3\n     */\n    function toLength(value) {\n      return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0;\n    }\n\n    /**\n     * Converts `value` to a number.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to process.\n     * @returns {number} Returns the number.\n     * @example\n     *\n     * _.toNumber(3.2);\n     * // => 3.2\n     *\n     * _.toNumber(Number.MIN_VALUE);\n     * // => 5e-324\n     *\n     * _.toNumber(Infinity);\n     * // => Infinity\n     *\n     * _.toNumber('3.2');\n     * // => 3.2\n     */\n    function toNumber(value) {\n      if (typeof value == 'number') {\n        return value;\n      }\n      if (isSymbol(value)) {\n        return NAN;\n      }\n      if (isObject(value)) {\n        var other = typeof value.valueOf == 'function' ? value.valueOf() : value;\n        value = isObject(other) ? (other + '') : other;\n      }\n      if (typeof value != 'string') {\n        return value === 0 ? value : +value;\n      }\n      value = value.replace(reTrim, '');\n      var isBinary = reIsBinary.test(value);\n      return (isBinary || reIsOctal.test(value))\n        ? freeParseInt(value.slice(2), isBinary ? 2 : 8)\n        : (reIsBadHex.test(value) ? NAN : +value);\n    }\n\n    /**\n     * Converts `value` to a plain object flattening inherited enumerable string\n     * keyed properties of `value` to own properties of the plain object.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {Object} Returns the converted plain object.\n     * @example\n     *\n     * function Foo() {\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.assign({ 'a': 1 }, new Foo);\n     * // => { 'a': 1, 'b': 2 }\n     *\n     * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));\n     * // => { 'a': 1, 'b': 2, 'c': 3 }\n     */\n    function toPlainObject(value) {\n      return copyObject(value, keysIn(value));\n    }\n\n    /**\n     * Converts `value` to a safe integer. A safe integer can be compared and\n     * represented correctly.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.toSafeInteger(3.2);\n     * // => 3\n     *\n     * _.toSafeInteger(Number.MIN_VALUE);\n     * // => 0\n     *\n     * _.toSafeInteger(Infinity);\n     * // => 9007199254740991\n     *\n     * _.toSafeInteger('3.2');\n     * // => 3\n     */\n    function toSafeInteger(value) {\n      return value\n        ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER)\n        : (value === 0 ? value : 0);\n    }\n\n    /**\n     * Converts `value` to a string. An empty string is returned for `null`\n     * and `undefined` values. The sign of `-0` is preserved.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {string} Returns the converted string.\n     * @example\n     *\n     * _.toString(null);\n     * // => ''\n     *\n     * _.toString(-0);\n     * // => '-0'\n     *\n     * _.toString([1, 2, 3]);\n     * // => '1,2,3'\n     */\n    function toString(value) {\n      return value == null ? '' : baseToString(value);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Assigns own enumerable string keyed properties of source objects to the\n     * destination object. Source objects are applied from left to right.\n     * Subsequent sources overwrite property assignments of previous sources.\n     *\n     * **Note:** This method mutates `object` and is loosely based on\n     * [`Object.assign`](https://mdn.io/Object/assign).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.10.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @see _.assignIn\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     * }\n     *\n     * function Bar() {\n     *   this.c = 3;\n     * }\n     *\n     * Foo.prototype.b = 2;\n     * Bar.prototype.d = 4;\n     *\n     * _.assign({ 'a': 0 }, new Foo, new Bar);\n     * // => { 'a': 1, 'c': 3 }\n     */\n    var assign = createAssigner(function(object, source) {\n      if (isPrototype(source) || isArrayLike(source)) {\n        copyObject(source, keys(source), object);\n        return;\n      }\n      for (var key in source) {\n        if (hasOwnProperty.call(source, key)) {\n          assignValue(object, key, source[key]);\n        }\n      }\n    });\n\n    /**\n     * This method is like `_.assign` except that it iterates over own and\n     * inherited source properties.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @alias extend\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @see _.assign\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     * }\n     *\n     * function Bar() {\n     *   this.c = 3;\n     * }\n     *\n     * Foo.prototype.b = 2;\n     * Bar.prototype.d = 4;\n     *\n     * _.assignIn({ 'a': 0 }, new Foo, new Bar);\n     * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }\n     */\n    var assignIn = createAssigner(function(object, source) {\n      copyObject(source, keysIn(source), object);\n    });\n\n    /**\n     * This method is like `_.assignIn` except that it accepts `customizer`\n     * which is invoked to produce the assigned values. If `customizer` returns\n     * `undefined`, assignment is handled by the method instead. The `customizer`\n     * is invoked with five arguments: (objValue, srcValue, key, object, source).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @alias extendWith\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} sources The source objects.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @see _.assignWith\n     * @example\n     *\n     * function customizer(objValue, srcValue) {\n     *   return _.isUndefined(objValue) ? srcValue : objValue;\n     * }\n     *\n     * var defaults = _.partialRight(_.assignInWith, customizer);\n     *\n     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n     * // => { 'a': 1, 'b': 2 }\n     */\n    var assignInWith = createAssigner(function(object, source, srcIndex, customizer) {\n      copyObject(source, keysIn(source), object, customizer);\n    });\n\n    /**\n     * This method is like `_.assign` except that it accepts `customizer`\n     * which is invoked to produce the assigned values. If `customizer` returns\n     * `undefined`, assignment is handled by the method instead. The `customizer`\n     * is invoked with five arguments: (objValue, srcValue, key, object, source).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} sources The source objects.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @see _.assignInWith\n     * @example\n     *\n     * function customizer(objValue, srcValue) {\n     *   return _.isUndefined(objValue) ? srcValue : objValue;\n     * }\n     *\n     * var defaults = _.partialRight(_.assignWith, customizer);\n     *\n     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n     * // => { 'a': 1, 'b': 2 }\n     */\n    var assignWith = createAssigner(function(object, source, srcIndex, customizer) {\n      copyObject(source, keys(source), object, customizer);\n    });\n\n    /**\n     * Creates an array of values corresponding to `paths` of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.0.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {...(string|string[])} [paths] The property paths to pick.\n     * @returns {Array} Returns the picked values.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n     *\n     * _.at(object, ['a[0].b.c', 'a[1]']);\n     * // => [3, 4]\n     */\n    var at = flatRest(baseAt);\n\n    /**\n     * Creates an object that inherits from the `prototype` object. If a\n     * `properties` object is given, its own enumerable string keyed properties\n     * are assigned to the created object.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.3.0\n     * @category Object\n     * @param {Object} prototype The object to inherit from.\n     * @param {Object} [properties] The properties to assign to the object.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * function Shape() {\n     *   this.x = 0;\n     *   this.y = 0;\n     * }\n     *\n     * function Circle() {\n     *   Shape.call(this);\n     * }\n     *\n     * Circle.prototype = _.create(Shape.prototype, {\n     *   'constructor': Circle\n     * });\n     *\n     * var circle = new Circle;\n     * circle instanceof Circle;\n     * // => true\n     *\n     * circle instanceof Shape;\n     * // => true\n     */\n    function create(prototype, properties) {\n      var result = baseCreate(prototype);\n      return properties == null ? result : baseAssign(result, properties);\n    }\n\n    /**\n     * Assigns own and inherited enumerable string keyed properties of source\n     * objects to the destination object for all destination properties that\n     * resolve to `undefined`. Source objects are applied from left to right.\n     * Once a property is set, additional values of the same property are ignored.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @see _.defaultsDeep\n     * @example\n     *\n     * _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n     * // => { 'a': 1, 'b': 2 }\n     */\n    var defaults = baseRest(function(object, sources) {\n      object = Object(object);\n\n      var index = -1;\n      var length = sources.length;\n      var guard = length > 2 ? sources[2] : undefined;\n\n      if (guard && isIterateeCall(sources[0], sources[1], guard)) {\n        length = 1;\n      }\n\n      while (++index < length) {\n        var source = sources[index];\n        var props = keysIn(source);\n        var propsIndex = -1;\n        var propsLength = props.length;\n\n        while (++propsIndex < propsLength) {\n          var key = props[propsIndex];\n          var value = object[key];\n\n          if (value === undefined ||\n              (eq(value, objectProto[key]) && !hasOwnProperty.call(object, key))) {\n            object[key] = source[key];\n          }\n        }\n      }\n\n      return object;\n    });\n\n    /**\n     * This method is like `_.defaults` except that it recursively assigns\n     * default properties.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.10.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @see _.defaults\n     * @example\n     *\n     * _.defaultsDeep({ 'a': { 'b': 2 } }, { 'a': { 'b': 1, 'c': 3 } });\n     * // => { 'a': { 'b': 2, 'c': 3 } }\n     */\n    var defaultsDeep = baseRest(function(args) {\n      args.push(undefined, customDefaultsMerge);\n      return apply(mergeWith, undefined, args);\n    });\n\n    /**\n     * This method is like `_.find` except that it returns the key of the first\n     * element `predicate` returns truthy for instead of the element itself.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.1.0\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {string|undefined} Returns the key of the matched element,\n     *  else `undefined`.\n     * @example\n     *\n     * var users = {\n     *   'barney':  { 'age': 36, 'active': true },\n     *   'fred':    { 'age': 40, 'active': false },\n     *   'pebbles': { 'age': 1,  'active': true }\n     * };\n     *\n     * _.findKey(users, function(o) { return o.age < 40; });\n     * // => 'barney' (iteration order is not guaranteed)\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.findKey(users, { 'age': 1, 'active': true });\n     * // => 'pebbles'\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.findKey(users, ['active', false]);\n     * // => 'fred'\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.findKey(users, 'active');\n     * // => 'barney'\n     */\n    function findKey(object, predicate) {\n      return baseFindKey(object, getIteratee(predicate, 3), baseForOwn);\n    }\n\n    /**\n     * This method is like `_.findKey` except that it iterates over elements of\n     * a collection in the opposite order.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {string|undefined} Returns the key of the matched element,\n     *  else `undefined`.\n     * @example\n     *\n     * var users = {\n     *   'barney':  { 'age': 36, 'active': true },\n     *   'fred':    { 'age': 40, 'active': false },\n     *   'pebbles': { 'age': 1,  'active': true }\n     * };\n     *\n     * _.findLastKey(users, function(o) { return o.age < 40; });\n     * // => returns 'pebbles' assuming `_.findKey` returns 'barney'\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.findLastKey(users, { 'age': 36, 'active': true });\n     * // => 'barney'\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.findLastKey(users, ['active', false]);\n     * // => 'fred'\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.findLastKey(users, 'active');\n     * // => 'pebbles'\n     */\n    function findLastKey(object, predicate) {\n      return baseFindKey(object, getIteratee(predicate, 3), baseForOwnRight);\n    }\n\n    /**\n     * Iterates over own and inherited enumerable string keyed properties of an\n     * object and invokes `iteratee` for each property. The iteratee is invoked\n     * with three arguments: (value, key, object). Iteratee functions may exit\n     * iteration early by explicitly returning `false`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.3.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     * @see _.forInRight\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forIn(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'a', 'b', then 'c' (iteration order is not guaranteed).\n     */\n    function forIn(object, iteratee) {\n      return object == null\n        ? object\n        : baseFor(object, getIteratee(iteratee, 3), keysIn);\n    }\n\n    /**\n     * This method is like `_.forIn` except that it iterates over properties of\n     * `object` in the opposite order.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     * @see _.forIn\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forInRight(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'c', 'b', then 'a' assuming `_.forIn` logs 'a', 'b', then 'c'.\n     */\n    function forInRight(object, iteratee) {\n      return object == null\n        ? object\n        : baseForRight(object, getIteratee(iteratee, 3), keysIn);\n    }\n\n    /**\n     * Iterates over own enumerable string keyed properties of an object and\n     * invokes `iteratee` for each property. The iteratee is invoked with three\n     * arguments: (value, key, object). Iteratee functions may exit iteration\n     * early by explicitly returning `false`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.3.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     * @see _.forOwnRight\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forOwn(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n     */\n    function forOwn(object, iteratee) {\n      return object && baseForOwn(object, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * This method is like `_.forOwn` except that it iterates over properties of\n     * `object` in the opposite order.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     * @see _.forOwn\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forOwnRight(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'b' then 'a' assuming `_.forOwn` logs 'a' then 'b'.\n     */\n    function forOwnRight(object, iteratee) {\n      return object && baseForOwnRight(object, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * Creates an array of function property names from own enumerable properties\n     * of `object`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @returns {Array} Returns the function names.\n     * @see _.functionsIn\n     * @example\n     *\n     * function Foo() {\n     *   this.a = _.constant('a');\n     *   this.b = _.constant('b');\n     * }\n     *\n     * Foo.prototype.c = _.constant('c');\n     *\n     * _.functions(new Foo);\n     * // => ['a', 'b']\n     */\n    function functions(object) {\n      return object == null ? [] : baseFunctions(object, keys(object));\n    }\n\n    /**\n     * Creates an array of function property names from own and inherited\n     * enumerable properties of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @returns {Array} Returns the function names.\n     * @see _.functions\n     * @example\n     *\n     * function Foo() {\n     *   this.a = _.constant('a');\n     *   this.b = _.constant('b');\n     * }\n     *\n     * Foo.prototype.c = _.constant('c');\n     *\n     * _.functionsIn(new Foo);\n     * // => ['a', 'b', 'c']\n     */\n    function functionsIn(object) {\n      return object == null ? [] : baseFunctions(object, keysIn(object));\n    }\n\n    /**\n     * Gets the value at `path` of `object`. If the resolved value is\n     * `undefined`, the `defaultValue` is returned in its place.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.7.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the property to get.\n     * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n     * @returns {*} Returns the resolved value.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n     *\n     * _.get(object, 'a[0].b.c');\n     * // => 3\n     *\n     * _.get(object, ['a', '0', 'b', 'c']);\n     * // => 3\n     *\n     * _.get(object, 'a.b.c', 'default');\n     * // => 'default'\n     */\n    function get(object, path, defaultValue) {\n      var result = object == null ? undefined : baseGet(object, path);\n      return result === undefined ? defaultValue : result;\n    }\n\n    /**\n     * Checks if `path` is a direct property of `object`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path to check.\n     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n     * @example\n     *\n     * var object = { 'a': { 'b': 2 } };\n     * var other = _.create({ 'a': _.create({ 'b': 2 }) });\n     *\n     * _.has(object, 'a');\n     * // => true\n     *\n     * _.has(object, 'a.b');\n     * // => true\n     *\n     * _.has(object, ['a', 'b']);\n     * // => true\n     *\n     * _.has(other, 'a');\n     * // => false\n     */\n    function has(object, path) {\n      return object != null && hasPath(object, path, baseHas);\n    }\n\n    /**\n     * Checks if `path` is a direct or inherited property of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path to check.\n     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n     * @example\n     *\n     * var object = _.create({ 'a': _.create({ 'b': 2 }) });\n     *\n     * _.hasIn(object, 'a');\n     * // => true\n     *\n     * _.hasIn(object, 'a.b');\n     * // => true\n     *\n     * _.hasIn(object, ['a', 'b']);\n     * // => true\n     *\n     * _.hasIn(object, 'b');\n     * // => false\n     */\n    function hasIn(object, path) {\n      return object != null && hasPath(object, path, baseHasIn);\n    }\n\n    /**\n     * Creates an object composed of the inverted keys and values of `object`.\n     * If `object` contains duplicate values, subsequent values overwrite\n     * property assignments of previous values.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.7.0\n     * @category Object\n     * @param {Object} object The object to invert.\n     * @returns {Object} Returns the new inverted object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2, 'c': 1 };\n     *\n     * _.invert(object);\n     * // => { '1': 'c', '2': 'b' }\n     */\n    var invert = createInverter(function(result, value, key) {\n      if (value != null &&\n          typeof value.toString != 'function') {\n        value = nativeObjectToString.call(value);\n      }\n\n      result[value] = key;\n    }, constant(identity));\n\n    /**\n     * This method is like `_.invert` except that the inverted object is generated\n     * from the results of running each element of `object` thru `iteratee`. The\n     * corresponding inverted value of each inverted key is an array of keys\n     * responsible for generating the inverted value. The iteratee is invoked\n     * with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.1.0\n     * @category Object\n     * @param {Object} object The object to invert.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Object} Returns the new inverted object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2, 'c': 1 };\n     *\n     * _.invertBy(object);\n     * // => { '1': ['a', 'c'], '2': ['b'] }\n     *\n     * _.invertBy(object, function(value) {\n     *   return 'group' + value;\n     * });\n     * // => { 'group1': ['a', 'c'], 'group2': ['b'] }\n     */\n    var invertBy = createInverter(function(result, value, key) {\n      if (value != null &&\n          typeof value.toString != 'function') {\n        value = nativeObjectToString.call(value);\n      }\n\n      if (hasOwnProperty.call(result, value)) {\n        result[value].push(key);\n      } else {\n        result[value] = [key];\n      }\n    }, getIteratee);\n\n    /**\n     * Invokes the method at `path` of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the method to invoke.\n     * @param {...*} [args] The arguments to invoke the method with.\n     * @returns {*} Returns the result of the invoked method.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': [1, 2, 3, 4] } }] };\n     *\n     * _.invoke(object, 'a[0].b.c.slice', 1, 3);\n     * // => [2, 3]\n     */\n    var invoke = baseRest(baseInvoke);\n\n    /**\n     * Creates an array of the own enumerable property names of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects. See the\n     * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n     * for more details.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.keys(new Foo);\n     * // => ['a', 'b'] (iteration order is not guaranteed)\n     *\n     * _.keys('hi');\n     * // => ['0', '1']\n     */\n    function keys(object) {\n      return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);\n    }\n\n    /**\n     * Creates an array of the own and inherited enumerable property names of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.keysIn(new Foo);\n     * // => ['a', 'b', 'c'] (iteration order is not guaranteed)\n     */\n    function keysIn(object) {\n      return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);\n    }\n\n    /**\n     * The opposite of `_.mapValues`; this method creates an object with the\n     * same values as `object` and keys generated by running each own enumerable\n     * string keyed property of `object` thru `iteratee`. The iteratee is invoked\n     * with three arguments: (value, key, object).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.8.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns the new mapped object.\n     * @see _.mapValues\n     * @example\n     *\n     * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) {\n     *   return key + value;\n     * });\n     * // => { 'a1': 1, 'b2': 2 }\n     */\n    function mapKeys(object, iteratee) {\n      var result = {};\n      iteratee = getIteratee(iteratee, 3);\n\n      baseForOwn(object, function(value, key, object) {\n        baseAssignValue(result, iteratee(value, key, object), value);\n      });\n      return result;\n    }\n\n    /**\n     * Creates an object with the same keys as `object` and values generated\n     * by running each own enumerable string keyed property of `object` thru\n     * `iteratee`. The iteratee is invoked with three arguments:\n     * (value, key, object).\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns the new mapped object.\n     * @see _.mapKeys\n     * @example\n     *\n     * var users = {\n     *   'fred':    { 'user': 'fred',    'age': 40 },\n     *   'pebbles': { 'user': 'pebbles', 'age': 1 }\n     * };\n     *\n     * _.mapValues(users, function(o) { return o.age; });\n     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.mapValues(users, 'age');\n     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n     */\n    function mapValues(object, iteratee) {\n      var result = {};\n      iteratee = getIteratee(iteratee, 3);\n\n      baseForOwn(object, function(value, key, object) {\n        baseAssignValue(result, key, iteratee(value, key, object));\n      });\n      return result;\n    }\n\n    /**\n     * This method is like `_.assign` except that it recursively merges own and\n     * inherited enumerable string keyed properties of source objects into the\n     * destination object. Source properties that resolve to `undefined` are\n     * skipped if a destination value exists. Array and plain object properties\n     * are merged recursively. Other objects and value types are overridden by\n     * assignment. Source objects are applied from left to right. Subsequent\n     * sources overwrite property assignments of previous sources.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.5.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = {\n     *   'a': [{ 'b': 2 }, { 'd': 4 }]\n     * };\n     *\n     * var other = {\n     *   'a': [{ 'c': 3 }, { 'e': 5 }]\n     * };\n     *\n     * _.merge(object, other);\n     * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }\n     */\n    var merge = createAssigner(function(object, source, srcIndex) {\n      baseMerge(object, source, srcIndex);\n    });\n\n    /**\n     * This method is like `_.merge` except that it accepts `customizer` which\n     * is invoked to produce the merged values of the destination and source\n     * properties. If `customizer` returns `undefined`, merging is handled by the\n     * method instead. The `customizer` is invoked with six arguments:\n     * (objValue, srcValue, key, object, source, stack).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} sources The source objects.\n     * @param {Function} customizer The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * function customizer(objValue, srcValue) {\n     *   if (_.isArray(objValue)) {\n     *     return objValue.concat(srcValue);\n     *   }\n     * }\n     *\n     * var object = { 'a': [1], 'b': [2] };\n     * var other = { 'a': [3], 'b': [4] };\n     *\n     * _.mergeWith(object, other, customizer);\n     * // => { 'a': [1, 3], 'b': [2, 4] }\n     */\n    var mergeWith = createAssigner(function(object, source, srcIndex, customizer) {\n      baseMerge(object, source, srcIndex, customizer);\n    });\n\n    /**\n     * The opposite of `_.pick`; this method creates an object composed of the\n     * own and inherited enumerable property paths of `object` that are not omitted.\n     *\n     * **Note:** This method is considerably slower than `_.pick`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {...(string|string[])} [paths] The property paths to omit.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n     *\n     * _.omit(object, ['a', 'c']);\n     * // => { 'b': '2' }\n     */\n    var omit = flatRest(function(object, paths) {\n      var result = {};\n      if (object == null) {\n        return result;\n      }\n      var isDeep = false;\n      paths = arrayMap(paths, function(path) {\n        path = castPath(path, object);\n        isDeep || (isDeep = path.length > 1);\n        return path;\n      });\n      copyObject(object, getAllKeysIn(object), result);\n      if (isDeep) {\n        result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG, customOmitClone);\n      }\n      var length = paths.length;\n      while (length--) {\n        baseUnset(result, paths[length]);\n      }\n      return result;\n    });\n\n    /**\n     * The opposite of `_.pickBy`; this method creates an object composed of\n     * the own and inherited enumerable string keyed properties of `object` that\n     * `predicate` doesn't return truthy for. The predicate is invoked with two\n     * arguments: (value, key).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {Function} [predicate=_.identity] The function invoked per property.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n     *\n     * _.omitBy(object, _.isNumber);\n     * // => { 'b': '2' }\n     */\n    function omitBy(object, predicate) {\n      return pickBy(object, negate(getIteratee(predicate)));\n    }\n\n    /**\n     * Creates an object composed of the picked `object` properties.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {...(string|string[])} [paths] The property paths to pick.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n     *\n     * _.pick(object, ['a', 'c']);\n     * // => { 'a': 1, 'c': 3 }\n     */\n    var pick = flatRest(function(object, paths) {\n      return object == null ? {} : basePick(object, paths);\n    });\n\n    /**\n     * Creates an object composed of the `object` properties `predicate` returns\n     * truthy for. The predicate is invoked with two arguments: (value, key).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {Function} [predicate=_.identity] The function invoked per property.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n     *\n     * _.pickBy(object, _.isNumber);\n     * // => { 'a': 1, 'c': 3 }\n     */\n    function pickBy(object, predicate) {\n      if (object == null) {\n        return {};\n      }\n      var props = arrayMap(getAllKeysIn(object), function(prop) {\n        return [prop];\n      });\n      predicate = getIteratee(predicate);\n      return basePickBy(object, props, function(value, path) {\n        return predicate(value, path[0]);\n      });\n    }\n\n    /**\n     * This method is like `_.get` except that if the resolved value is a\n     * function it's invoked with the `this` binding of its parent object and\n     * its result is returned.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the property to resolve.\n     * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n     * @returns {*} Returns the resolved value.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] };\n     *\n     * _.result(object, 'a[0].b.c1');\n     * // => 3\n     *\n     * _.result(object, 'a[0].b.c2');\n     * // => 4\n     *\n     * _.result(object, 'a[0].b.c3', 'default');\n     * // => 'default'\n     *\n     * _.result(object, 'a[0].b.c3', _.constant('default'));\n     * // => 'default'\n     */\n    function result(object, path, defaultValue) {\n      path = castPath(path, object);\n\n      var index = -1,\n          length = path.length;\n\n      // Ensure the loop is entered when path is empty.\n      if (!length) {\n        length = 1;\n        object = undefined;\n      }\n      while (++index < length) {\n        var value = object == null ? undefined : object[toKey(path[index])];\n        if (value === undefined) {\n          index = length;\n          value = defaultValue;\n        }\n        object = isFunction(value) ? value.call(object) : value;\n      }\n      return object;\n    }\n\n    /**\n     * Sets the value at `path` of `object`. If a portion of `path` doesn't exist,\n     * it's created. Arrays are created for missing index properties while objects\n     * are created for all other missing properties. Use `_.setWith` to customize\n     * `path` creation.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.7.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n     *\n     * _.set(object, 'a[0].b.c', 4);\n     * console.log(object.a[0].b.c);\n     * // => 4\n     *\n     * _.set(object, ['x', '0', 'y', 'z'], 5);\n     * console.log(object.x[0].y.z);\n     * // => 5\n     */\n    function set(object, path, value) {\n      return object == null ? object : baseSet(object, path, value);\n    }\n\n    /**\n     * This method is like `_.set` except that it accepts `customizer` which is\n     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`\n     * path creation is handled by the method instead. The `customizer` is invoked\n     * with three arguments: (nsValue, key, nsObject).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {*} value The value to set.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = {};\n     *\n     * _.setWith(object, '[0][1]', 'a', Object);\n     * // => { '0': { '1': 'a' } }\n     */\n    function setWith(object, path, value, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return object == null ? object : baseSet(object, path, value, customizer);\n    }\n\n    /**\n     * Creates an array of own enumerable string keyed-value pairs for `object`\n     * which can be consumed by `_.fromPairs`. If `object` is a map or set, its\n     * entries are returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @alias entries\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the key-value pairs.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.toPairs(new Foo);\n     * // => [['a', 1], ['b', 2]] (iteration order is not guaranteed)\n     */\n    var toPairs = createToPairs(keys);\n\n    /**\n     * Creates an array of own and inherited enumerable string keyed-value pairs\n     * for `object` which can be consumed by `_.fromPairs`. If `object` is a map\n     * or set, its entries are returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @alias entriesIn\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the key-value pairs.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.toPairsIn(new Foo);\n     * // => [['a', 1], ['b', 2], ['c', 3]] (iteration order is not guaranteed)\n     */\n    var toPairsIn = createToPairs(keysIn);\n\n    /**\n     * An alternative to `_.reduce`; this method transforms `object` to a new\n     * `accumulator` object which is the result of running each of its own\n     * enumerable string keyed properties thru `iteratee`, with each invocation\n     * potentially mutating the `accumulator` object. If `accumulator` is not\n     * provided, a new object with the same `[[Prototype]]` will be used. The\n     * iteratee is invoked with four arguments: (accumulator, value, key, object).\n     * Iteratee functions may exit iteration early by explicitly returning `false`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.3.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {*} [accumulator] The custom accumulator value.\n     * @returns {*} Returns the accumulated value.\n     * @example\n     *\n     * _.transform([2, 3, 4], function(result, n) {\n     *   result.push(n *= n);\n     *   return n % 2 == 0;\n     * }, []);\n     * // => [4, 9]\n     *\n     * _.transform({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n     *   (result[value] || (result[value] = [])).push(key);\n     * }, {});\n     * // => { '1': ['a', 'c'], '2': ['b'] }\n     */\n    function transform(object, iteratee, accumulator) {\n      var isArr = isArray(object),\n          isArrLike = isArr || isBuffer(object) || isTypedArray(object);\n\n      iteratee = getIteratee(iteratee, 4);\n      if (accumulator == null) {\n        var Ctor = object && object.constructor;\n        if (isArrLike) {\n          accumulator = isArr ? new Ctor : [];\n        }\n        else if (isObject(object)) {\n          accumulator = isFunction(Ctor) ? baseCreate(getPrototype(object)) : {};\n        }\n        else {\n          accumulator = {};\n        }\n      }\n      (isArrLike ? arrayEach : baseForOwn)(object, function(value, index, object) {\n        return iteratee(accumulator, value, index, object);\n      });\n      return accumulator;\n    }\n\n    /**\n     * Removes the property at `path` of `object`.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to unset.\n     * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 7 } }] };\n     * _.unset(object, 'a[0].b.c');\n     * // => true\n     *\n     * console.log(object);\n     * // => { 'a': [{ 'b': {} }] };\n     *\n     * _.unset(object, ['a', '0', 'b', 'c']);\n     * // => true\n     *\n     * console.log(object);\n     * // => { 'a': [{ 'b': {} }] };\n     */\n    function unset(object, path) {\n      return object == null ? true : baseUnset(object, path);\n    }\n\n    /**\n     * This method is like `_.set` except that accepts `updater` to produce the\n     * value to set. Use `_.updateWith` to customize `path` creation. The `updater`\n     * is invoked with one argument: (value).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.6.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {Function} updater The function to produce the updated value.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n     *\n     * _.update(object, 'a[0].b.c', function(n) { return n * n; });\n     * console.log(object.a[0].b.c);\n     * // => 9\n     *\n     * _.update(object, 'x[0].y.z', function(n) { return n ? n + 1 : 0; });\n     * console.log(object.x[0].y.z);\n     * // => 0\n     */\n    function update(object, path, updater) {\n      return object == null ? object : baseUpdate(object, path, castFunction(updater));\n    }\n\n    /**\n     * This method is like `_.update` except that it accepts `customizer` which is\n     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`\n     * path creation is handled by the method instead. The `customizer` is invoked\n     * with three arguments: (nsValue, key, nsObject).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.6.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {Function} updater The function to produce the updated value.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = {};\n     *\n     * _.updateWith(object, '[0][1]', _.constant('a'), Object);\n     * // => { '0': { '1': 'a' } }\n     */\n    function updateWith(object, path, updater, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return object == null ? object : baseUpdate(object, path, castFunction(updater), customizer);\n    }\n\n    /**\n     * Creates an array of the own enumerable string keyed property values of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property values.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.values(new Foo);\n     * // => [1, 2] (iteration order is not guaranteed)\n     *\n     * _.values('hi');\n     * // => ['h', 'i']\n     */\n    function values(object) {\n      return object == null ? [] : baseValues(object, keys(object));\n    }\n\n    /**\n     * Creates an array of the own and inherited enumerable string keyed property\n     * values of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property values.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.valuesIn(new Foo);\n     * // => [1, 2, 3] (iteration order is not guaranteed)\n     */\n    function valuesIn(object) {\n      return object == null ? [] : baseValues(object, keysIn(object));\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Clamps `number` within the inclusive `lower` and `upper` bounds.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Number\n     * @param {number} number The number to clamp.\n     * @param {number} [lower] The lower bound.\n     * @param {number} upper The upper bound.\n     * @returns {number} Returns the clamped number.\n     * @example\n     *\n     * _.clamp(-10, -5, 5);\n     * // => -5\n     *\n     * _.clamp(10, -5, 5);\n     * // => 5\n     */\n    function clamp(number, lower, upper) {\n      if (upper === undefined) {\n        upper = lower;\n        lower = undefined;\n      }\n      if (upper !== undefined) {\n        upper = toNumber(upper);\n        upper = upper === upper ? upper : 0;\n      }\n      if (lower !== undefined) {\n        lower = toNumber(lower);\n        lower = lower === lower ? lower : 0;\n      }\n      return baseClamp(toNumber(number), lower, upper);\n    }\n\n    /**\n     * Checks if `n` is between `start` and up to, but not including, `end`. If\n     * `end` is not specified, it's set to `start` with `start` then set to `0`.\n     * If `start` is greater than `end` the params are swapped to support\n     * negative ranges.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.3.0\n     * @category Number\n     * @param {number} number The number to check.\n     * @param {number} [start=0] The start of the range.\n     * @param {number} end The end of the range.\n     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n     * @see _.range, _.rangeRight\n     * @example\n     *\n     * _.inRange(3, 2, 4);\n     * // => true\n     *\n     * _.inRange(4, 8);\n     * // => true\n     *\n     * _.inRange(4, 2);\n     * // => false\n     *\n     * _.inRange(2, 2);\n     * // => false\n     *\n     * _.inRange(1.2, 2);\n     * // => true\n     *\n     * _.inRange(5.2, 4);\n     * // => false\n     *\n     * _.inRange(-3, -2, -6);\n     * // => true\n     */\n    function inRange(number, start, end) {\n      start = toFinite(start);\n      if (end === undefined) {\n        end = start;\n        start = 0;\n      } else {\n        end = toFinite(end);\n      }\n      number = toNumber(number);\n      return baseInRange(number, start, end);\n    }\n\n    /**\n     * Produces a random number between the inclusive `lower` and `upper` bounds.\n     * If only one argument is provided a number between `0` and the given number\n     * is returned. If `floating` is `true`, or either `lower` or `upper` are\n     * floats, a floating-point number is returned instead of an integer.\n     *\n     * **Note:** JavaScript follows the IEEE-754 standard for resolving\n     * floating-point values which can produce unexpected results.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.7.0\n     * @category Number\n     * @param {number} [lower=0] The lower bound.\n     * @param {number} [upper=1] The upper bound.\n     * @param {boolean} [floating] Specify returning a floating-point number.\n     * @returns {number} Returns the random number.\n     * @example\n     *\n     * _.random(0, 5);\n     * // => an integer between 0 and 5\n     *\n     * _.random(5);\n     * // => also an integer between 0 and 5\n     *\n     * _.random(5, true);\n     * // => a floating-point number between 0 and 5\n     *\n     * _.random(1.2, 5.2);\n     * // => a floating-point number between 1.2 and 5.2\n     */\n    function random(lower, upper, floating) {\n      if (floating && typeof floating != 'boolean' && isIterateeCall(lower, upper, floating)) {\n        upper = floating = undefined;\n      }\n      if (floating === undefined) {\n        if (typeof upper == 'boolean') {\n          floating = upper;\n          upper = undefined;\n        }\n        else if (typeof lower == 'boolean') {\n          floating = lower;\n          lower = undefined;\n        }\n      }\n      if (lower === undefined && upper === undefined) {\n        lower = 0;\n        upper = 1;\n      }\n      else {\n        lower = toFinite(lower);\n        if (upper === undefined) {\n          upper = lower;\n          lower = 0;\n        } else {\n          upper = toFinite(upper);\n        }\n      }\n      if (lower > upper) {\n        var temp = lower;\n        lower = upper;\n        upper = temp;\n      }\n      if (floating || lower % 1 || upper % 1) {\n        var rand = nativeRandom();\n        return nativeMin(lower + (rand * (upper - lower + freeParseFloat('1e-' + ((rand + '').length - 1)))), upper);\n      }\n      return baseRandom(lower, upper);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Converts `string` to [camel case](https://en.wikipedia.org/wiki/CamelCase).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the camel cased string.\n     * @example\n     *\n     * _.camelCase('Foo Bar');\n     * // => 'fooBar'\n     *\n     * _.camelCase('--foo-bar--');\n     * // => 'fooBar'\n     *\n     * _.camelCase('__FOO_BAR__');\n     * // => 'fooBar'\n     */\n    var camelCase = createCompounder(function(result, word, index) {\n      word = word.toLowerCase();\n      return result + (index ? capitalize(word) : word);\n    });\n\n    /**\n     * Converts the first character of `string` to upper case and the remaining\n     * to lower case.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to capitalize.\n     * @returns {string} Returns the capitalized string.\n     * @example\n     *\n     * _.capitalize('FRED');\n     * // => 'Fred'\n     */\n    function capitalize(string) {\n      return upperFirst(toString(string).toLowerCase());\n    }\n\n    /**\n     * Deburrs `string` by converting\n     * [Latin-1 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table)\n     * and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A)\n     * letters to basic Latin letters and removing\n     * [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to deburr.\n     * @returns {string} Returns the deburred string.\n     * @example\n     *\n     * _.deburr('déjà vu');\n     * // => 'deja vu'\n     */\n    function deburr(string) {\n      string = toString(string);\n      return string && string.replace(reLatin, deburrLetter).replace(reComboMark, '');\n    }\n\n    /**\n     * Checks if `string` ends with the given target string.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to inspect.\n     * @param {string} [target] The string to search for.\n     * @param {number} [position=string.length] The position to search up to.\n     * @returns {boolean} Returns `true` if `string` ends with `target`,\n     *  else `false`.\n     * @example\n     *\n     * _.endsWith('abc', 'c');\n     * // => true\n     *\n     * _.endsWith('abc', 'b');\n     * // => false\n     *\n     * _.endsWith('abc', 'b', 2);\n     * // => true\n     */\n    function endsWith(string, target, position) {\n      string = toString(string);\n      target = baseToString(target);\n\n      var length = string.length;\n      position = position === undefined\n        ? length\n        : baseClamp(toInteger(position), 0, length);\n\n      var end = position;\n      position -= target.length;\n      return position >= 0 && string.slice(position, end) == target;\n    }\n\n    /**\n     * Converts the characters \"&\", \"<\", \">\", '\"', and \"'\" in `string` to their\n     * corresponding HTML entities.\n     *\n     * **Note:** No other characters are escaped. To escape additional\n     * characters use a third-party library like [_he_](https://mths.be/he).\n     *\n     * Though the \">\" character is escaped for symmetry, characters like\n     * \">\" and \"/\" don't need escaping in HTML and have no special meaning\n     * unless they're part of a tag or unquoted attribute value. See\n     * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands)\n     * (under \"semi-related fun fact\") for more details.\n     *\n     * When working with HTML you should always\n     * [quote attribute values](http://wonko.com/post/html-escaping) to reduce\n     * XSS vectors.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category String\n     * @param {string} [string=''] The string to escape.\n     * @returns {string} Returns the escaped string.\n     * @example\n     *\n     * _.escape('fred, barney, & pebbles');\n     * // => 'fred, barney, &amp; pebbles'\n     */\n    function escape(string) {\n      string = toString(string);\n      return (string && reHasUnescapedHtml.test(string))\n        ? string.replace(reUnescapedHtml, escapeHtmlChar)\n        : string;\n    }\n\n    /**\n     * Escapes the `RegExp` special characters \"^\", \"$\", \"\\\", \".\", \"*\", \"+\",\n     * \"?\", \"(\", \")\", \"[\", \"]\", \"{\", \"}\", and \"|\" in `string`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to escape.\n     * @returns {string} Returns the escaped string.\n     * @example\n     *\n     * _.escapeRegExp('[lodash](https://lodash.com/)');\n     * // => '\\[lodash\\]\\(https://lodash\\.com/\\)'\n     */\n    function escapeRegExp(string) {\n      string = toString(string);\n      return (string && reHasRegExpChar.test(string))\n        ? string.replace(reRegExpChar, '\\\\$&')\n        : string;\n    }\n\n    /**\n     * Converts `string` to\n     * [kebab case](https://en.wikipedia.org/wiki/Letter_case#Special_case_styles).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the kebab cased string.\n     * @example\n     *\n     * _.kebabCase('Foo Bar');\n     * // => 'foo-bar'\n     *\n     * _.kebabCase('fooBar');\n     * // => 'foo-bar'\n     *\n     * _.kebabCase('__FOO_BAR__');\n     * // => 'foo-bar'\n     */\n    var kebabCase = createCompounder(function(result, word, index) {\n      return result + (index ? '-' : '') + word.toLowerCase();\n    });\n\n    /**\n     * Converts `string`, as space separated words, to lower case.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the lower cased string.\n     * @example\n     *\n     * _.lowerCase('--Foo-Bar--');\n     * // => 'foo bar'\n     *\n     * _.lowerCase('fooBar');\n     * // => 'foo bar'\n     *\n     * _.lowerCase('__FOO_BAR__');\n     * // => 'foo bar'\n     */\n    var lowerCase = createCompounder(function(result, word, index) {\n      return result + (index ? ' ' : '') + word.toLowerCase();\n    });\n\n    /**\n     * Converts the first character of `string` to lower case.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the converted string.\n     * @example\n     *\n     * _.lowerFirst('Fred');\n     * // => 'fred'\n     *\n     * _.lowerFirst('FRED');\n     * // => 'fRED'\n     */\n    var lowerFirst = createCaseFirst('toLowerCase');\n\n    /**\n     * Pads `string` on the left and right sides if it's shorter than `length`.\n     * Padding characters are truncated if they can't be evenly divided by `length`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to pad.\n     * @param {number} [length=0] The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padded string.\n     * @example\n     *\n     * _.pad('abc', 8);\n     * // => '  abc   '\n     *\n     * _.pad('abc', 8, '_-');\n     * // => '_-abc_-_'\n     *\n     * _.pad('abc', 3);\n     * // => 'abc'\n     */\n    function pad(string, length, chars) {\n      string = toString(string);\n      length = toInteger(length);\n\n      var strLength = length ? stringSize(string) : 0;\n      if (!length || strLength >= length) {\n        return string;\n      }\n      var mid = (length - strLength) / 2;\n      return (\n        createPadding(nativeFloor(mid), chars) +\n        string +\n        createPadding(nativeCeil(mid), chars)\n      );\n    }\n\n    /**\n     * Pads `string` on the right side if it's shorter than `length`. Padding\n     * characters are truncated if they exceed `length`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to pad.\n     * @param {number} [length=0] The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padded string.\n     * @example\n     *\n     * _.padEnd('abc', 6);\n     * // => 'abc   '\n     *\n     * _.padEnd('abc', 6, '_-');\n     * // => 'abc_-_'\n     *\n     * _.padEnd('abc', 3);\n     * // => 'abc'\n     */\n    function padEnd(string, length, chars) {\n      string = toString(string);\n      length = toInteger(length);\n\n      var strLength = length ? stringSize(string) : 0;\n      return (length && strLength < length)\n        ? (string + createPadding(length - strLength, chars))\n        : string;\n    }\n\n    /**\n     * Pads `string` on the left side if it's shorter than `length`. Padding\n     * characters are truncated if they exceed `length`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to pad.\n     * @param {number} [length=0] The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padded string.\n     * @example\n     *\n     * _.padStart('abc', 6);\n     * // => '   abc'\n     *\n     * _.padStart('abc', 6, '_-');\n     * // => '_-_abc'\n     *\n     * _.padStart('abc', 3);\n     * // => 'abc'\n     */\n    function padStart(string, length, chars) {\n      string = toString(string);\n      length = toInteger(length);\n\n      var strLength = length ? stringSize(string) : 0;\n      return (length && strLength < length)\n        ? (createPadding(length - strLength, chars) + string)\n        : string;\n    }\n\n    /**\n     * Converts `string` to an integer of the specified radix. If `radix` is\n     * `undefined` or `0`, a `radix` of `10` is used unless `value` is a\n     * hexadecimal, in which case a `radix` of `16` is used.\n     *\n     * **Note:** This method aligns with the\n     * [ES5 implementation](https://es5.github.io/#x15.1.2.2) of `parseInt`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.1.0\n     * @category String\n     * @param {string} string The string to convert.\n     * @param {number} [radix=10] The radix to interpret `value` by.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.parseInt('08');\n     * // => 8\n     *\n     * _.map(['6', '08', '10'], _.parseInt);\n     * // => [6, 8, 10]\n     */\n    function parseInt(string, radix, guard) {\n      if (guard || radix == null) {\n        radix = 0;\n      } else if (radix) {\n        radix = +radix;\n      }\n      return nativeParseInt(toString(string).replace(reTrimStart, ''), radix || 0);\n    }\n\n    /**\n     * Repeats the given string `n` times.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to repeat.\n     * @param {number} [n=1] The number of times to repeat the string.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {string} Returns the repeated string.\n     * @example\n     *\n     * _.repeat('*', 3);\n     * // => '***'\n     *\n     * _.repeat('abc', 2);\n     * // => 'abcabc'\n     *\n     * _.repeat('abc', 0);\n     * // => ''\n     */\n    function repeat(string, n, guard) {\n      if ((guard ? isIterateeCall(string, n, guard) : n === undefined)) {\n        n = 1;\n      } else {\n        n = toInteger(n);\n      }\n      return baseRepeat(toString(string), n);\n    }\n\n    /**\n     * Replaces matches for `pattern` in `string` with `replacement`.\n     *\n     * **Note:** This method is based on\n     * [`String#replace`](https://mdn.io/String/replace).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to modify.\n     * @param {RegExp|string} pattern The pattern to replace.\n     * @param {Function|string} replacement The match replacement.\n     * @returns {string} Returns the modified string.\n     * @example\n     *\n     * _.replace('Hi Fred', 'Fred', 'Barney');\n     * // => 'Hi Barney'\n     */\n    function replace() {\n      var args = arguments,\n          string = toString(args[0]);\n\n      return args.length < 3 ? string : string.replace(args[1], args[2]);\n    }\n\n    /**\n     * Converts `string` to\n     * [snake case](https://en.wikipedia.org/wiki/Snake_case).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the snake cased string.\n     * @example\n     *\n     * _.snakeCase('Foo Bar');\n     * // => 'foo_bar'\n     *\n     * _.snakeCase('fooBar');\n     * // => 'foo_bar'\n     *\n     * _.snakeCase('--FOO-BAR--');\n     * // => 'foo_bar'\n     */\n    var snakeCase = createCompounder(function(result, word, index) {\n      return result + (index ? '_' : '') + word.toLowerCase();\n    });\n\n    /**\n     * Splits `string` by `separator`.\n     *\n     * **Note:** This method is based on\n     * [`String#split`](https://mdn.io/String/split).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to split.\n     * @param {RegExp|string} separator The separator pattern to split by.\n     * @param {number} [limit] The length to truncate results to.\n     * @returns {Array} Returns the string segments.\n     * @example\n     *\n     * _.split('a-b-c', '-', 2);\n     * // => ['a', 'b']\n     */\n    function split(string, separator, limit) {\n      if (limit && typeof limit != 'number' && isIterateeCall(string, separator, limit)) {\n        separator = limit = undefined;\n      }\n      limit = limit === undefined ? MAX_ARRAY_LENGTH : limit >>> 0;\n      if (!limit) {\n        return [];\n      }\n      string = toString(string);\n      if (string && (\n            typeof separator == 'string' ||\n            (separator != null && !isRegExp(separator))\n          )) {\n        separator = baseToString(separator);\n        if (!separator && hasUnicode(string)) {\n          return castSlice(stringToArray(string), 0, limit);\n        }\n      }\n      return string.split(separator, limit);\n    }\n\n    /**\n     * Converts `string` to\n     * [start case](https://en.wikipedia.org/wiki/Letter_case#Stylistic_or_specialised_usage).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.1.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the start cased string.\n     * @example\n     *\n     * _.startCase('--foo-bar--');\n     * // => 'Foo Bar'\n     *\n     * _.startCase('fooBar');\n     * // => 'Foo Bar'\n     *\n     * _.startCase('__FOO_BAR__');\n     * // => 'FOO BAR'\n     */\n    var startCase = createCompounder(function(result, word, index) {\n      return result + (index ? ' ' : '') + upperFirst(word);\n    });\n\n    /**\n     * Checks if `string` starts with the given target string.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to inspect.\n     * @param {string} [target] The string to search for.\n     * @param {number} [position=0] The position to search from.\n     * @returns {boolean} Returns `true` if `string` starts with `target`,\n     *  else `false`.\n     * @example\n     *\n     * _.startsWith('abc', 'a');\n     * // => true\n     *\n     * _.startsWith('abc', 'b');\n     * // => false\n     *\n     * _.startsWith('abc', 'b', 1);\n     * // => true\n     */\n    function startsWith(string, target, position) {\n      string = toString(string);\n      position = position == null\n        ? 0\n        : baseClamp(toInteger(position), 0, string.length);\n\n      target = baseToString(target);\n      return string.slice(position, position + target.length) == target;\n    }\n\n    /**\n     * Creates a compiled template function that can interpolate data properties\n     * in \"interpolate\" delimiters, HTML-escape interpolated data properties in\n     * \"escape\" delimiters, and execute JavaScript in \"evaluate\" delimiters. Data\n     * properties may be accessed as free variables in the template. If a setting\n     * object is given, it takes precedence over `_.templateSettings` values.\n     *\n     * **Note:** In the development build `_.template` utilizes\n     * [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl)\n     * for easier debugging.\n     *\n     * For more information on precompiling templates see\n     * [lodash's custom builds documentation](https://lodash.com/custom-builds).\n     *\n     * For more information on Chrome extension sandboxes see\n     * [Chrome's extensions documentation](https://developer.chrome.com/extensions/sandboxingEval).\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category String\n     * @param {string} [string=''] The template string.\n     * @param {Object} [options={}] The options object.\n     * @param {RegExp} [options.escape=_.templateSettings.escape]\n     *  The HTML \"escape\" delimiter.\n     * @param {RegExp} [options.evaluate=_.templateSettings.evaluate]\n     *  The \"evaluate\" delimiter.\n     * @param {Object} [options.imports=_.templateSettings.imports]\n     *  An object to import into the template as free variables.\n     * @param {RegExp} [options.interpolate=_.templateSettings.interpolate]\n     *  The \"interpolate\" delimiter.\n     * @param {string} [options.sourceURL='lodash.templateSources[n]']\n     *  The sourceURL of the compiled template.\n     * @param {string} [options.variable='obj']\n     *  The data object variable name.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Function} Returns the compiled template function.\n     * @example\n     *\n     * // Use the \"interpolate\" delimiter to create a compiled template.\n     * var compiled = _.template('hello <%= user %>!');\n     * compiled({ 'user': 'fred' });\n     * // => 'hello fred!'\n     *\n     * // Use the HTML \"escape\" delimiter to escape data property values.\n     * var compiled = _.template('<b><%- value %></b>');\n     * compiled({ 'value': '<script>' });\n     * // => '<b>&lt;script&gt;</b>'\n     *\n     * // Use the \"evaluate\" delimiter to execute JavaScript and generate HTML.\n     * var compiled = _.template('<% _.forEach(users, function(user) { %><li><%- user %></li><% }); %>');\n     * compiled({ 'users': ['fred', 'barney'] });\n     * // => '<li>fred</li><li>barney</li>'\n     *\n     * // Use the internal `print` function in \"evaluate\" delimiters.\n     * var compiled = _.template('<% print(\"hello \" + user); %>!');\n     * compiled({ 'user': 'barney' });\n     * // => 'hello barney!'\n     *\n     * // Use the ES template literal delimiter as an \"interpolate\" delimiter.\n     * // Disable support by replacing the \"interpolate\" delimiter.\n     * var compiled = _.template('hello ${ user }!');\n     * compiled({ 'user': 'pebbles' });\n     * // => 'hello pebbles!'\n     *\n     * // Use backslashes to treat delimiters as plain text.\n     * var compiled = _.template('<%= \"\\\\<%- value %\\\\>\" %>');\n     * compiled({ 'value': 'ignored' });\n     * // => '<%- value %>'\n     *\n     * // Use the `imports` option to import `jQuery` as `jq`.\n     * var text = '<% jq.each(users, function(user) { %><li><%- user %></li><% }); %>';\n     * var compiled = _.template(text, { 'imports': { 'jq': jQuery } });\n     * compiled({ 'users': ['fred', 'barney'] });\n     * // => '<li>fred</li><li>barney</li>'\n     *\n     * // Use the `sourceURL` option to specify a custom sourceURL for the template.\n     * var compiled = _.template('hello <%= user %>!', { 'sourceURL': '/basic/greeting.jst' });\n     * compiled(data);\n     * // => Find the source of \"greeting.jst\" under the Sources tab or Resources panel of the web inspector.\n     *\n     * // Use the `variable` option to ensure a with-statement isn't used in the compiled template.\n     * var compiled = _.template('hi <%= data.user %>!', { 'variable': 'data' });\n     * compiled.source;\n     * // => function(data) {\n     * //   var __t, __p = '';\n     * //   __p += 'hi ' + ((__t = ( data.user )) == null ? '' : __t) + '!';\n     * //   return __p;\n     * // }\n     *\n     * // Use custom template delimiters.\n     * _.templateSettings.interpolate = /{{([\\s\\S]+?)}}/g;\n     * var compiled = _.template('hello {{ user }}!');\n     * compiled({ 'user': 'mustache' });\n     * // => 'hello mustache!'\n     *\n     * // Use the `source` property to inline compiled templates for meaningful\n     * // line numbers in error messages and stack traces.\n     * fs.writeFileSync(path.join(process.cwd(), 'jst.js'), '\\\n     *   var JST = {\\\n     *     \"main\": ' + _.template(mainText).source + '\\\n     *   };\\\n     * ');\n     */\n    function template(string, options, guard) {\n      // Based on John Resig's `tmpl` implementation\n      // (http://ejohn.org/blog/javascript-micro-templating/)\n      // and Laura Doktorova's doT.js (https://github.com/olado/doT).\n      var settings = lodash.templateSettings;\n\n      if (guard && isIterateeCall(string, options, guard)) {\n        options = undefined;\n      }\n      string = toString(string);\n      options = assignInWith({}, options, settings, customDefaultsAssignIn);\n\n      var imports = assignInWith({}, options.imports, settings.imports, customDefaultsAssignIn),\n          importsKeys = keys(imports),\n          importsValues = baseValues(imports, importsKeys);\n\n      var isEscaping,\n          isEvaluating,\n          index = 0,\n          interpolate = options.interpolate || reNoMatch,\n          source = \"__p += '\";\n\n      // Compile the regexp to match each delimiter.\n      var reDelimiters = RegExp(\n        (options.escape || reNoMatch).source + '|' +\n        interpolate.source + '|' +\n        (interpolate === reInterpolate ? reEsTemplate : reNoMatch).source + '|' +\n        (options.evaluate || reNoMatch).source + '|$'\n      , 'g');\n\n      // Use a sourceURL for easier debugging.\n      // The sourceURL gets injected into the source that's eval-ed, so be careful\n      // with lookup (in case of e.g. prototype pollution), and strip newlines if any.\n      // A newline wouldn't be a valid sourceURL anyway, and it'd enable code injection.\n      var sourceURL = '//# sourceURL=' +\n        (hasOwnProperty.call(options, 'sourceURL')\n          ? (options.sourceURL + '').replace(/[\\r\\n]/g, ' ')\n          : ('lodash.templateSources[' + (++templateCounter) + ']')\n        ) + '\\n';\n\n      string.replace(reDelimiters, function(match, escapeValue, interpolateValue, esTemplateValue, evaluateValue, offset) {\n        interpolateValue || (interpolateValue = esTemplateValue);\n\n        // Escape characters that can't be included in string literals.\n        source += string.slice(index, offset).replace(reUnescapedString, escapeStringChar);\n\n        // Replace delimiters with snippets.\n        if (escapeValue) {\n          isEscaping = true;\n          source += \"' +\\n__e(\" + escapeValue + \") +\\n'\";\n        }\n        if (evaluateValue) {\n          isEvaluating = true;\n          source += \"';\\n\" + evaluateValue + \";\\n__p += '\";\n        }\n        if (interpolateValue) {\n          source += \"' +\\n((__t = (\" + interpolateValue + \")) == null ? '' : __t) +\\n'\";\n        }\n        index = offset + match.length;\n\n        // The JS engine embedded in Adobe products needs `match` returned in\n        // order to produce the correct `offset` value.\n        return match;\n      });\n\n      source += \"';\\n\";\n\n      // If `variable` is not specified wrap a with-statement around the generated\n      // code to add the data object to the top of the scope chain.\n      // Like with sourceURL, we take care to not check the option's prototype,\n      // as this configuration is a code injection vector.\n      var variable = hasOwnProperty.call(options, 'variable') && options.variable;\n      if (!variable) {\n        source = 'with (obj) {\\n' + source + '\\n}\\n';\n      }\n      // Cleanup code by stripping empty strings.\n      source = (isEvaluating ? source.replace(reEmptyStringLeading, '') : source)\n        .replace(reEmptyStringMiddle, '$1')\n        .replace(reEmptyStringTrailing, '$1;');\n\n      // Frame code as the function body.\n      source = 'function(' + (variable || 'obj') + ') {\\n' +\n        (variable\n          ? ''\n          : 'obj || (obj = {});\\n'\n        ) +\n        \"var __t, __p = ''\" +\n        (isEscaping\n           ? ', __e = _.escape'\n           : ''\n        ) +\n        (isEvaluating\n          ? ', __j = Array.prototype.join;\\n' +\n            \"function print() { __p += __j.call(arguments, '') }\\n\"\n          : ';\\n'\n        ) +\n        source +\n        'return __p\\n}';\n\n      var result = attempt(function() {\n        return Function(importsKeys, sourceURL + 'return ' + source)\n          .apply(undefined, importsValues);\n      });\n\n      // Provide the compiled function's source by its `toString` method or\n      // the `source` property as a convenience for inlining compiled templates.\n      result.source = source;\n      if (isError(result)) {\n        throw result;\n      }\n      return result;\n    }\n\n    /**\n     * Converts `string`, as a whole, to lower case just like\n     * [String#toLowerCase](https://mdn.io/toLowerCase).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the lower cased string.\n     * @example\n     *\n     * _.toLower('--Foo-Bar--');\n     * // => '--foo-bar--'\n     *\n     * _.toLower('fooBar');\n     * // => 'foobar'\n     *\n     * _.toLower('__FOO_BAR__');\n     * // => '__foo_bar__'\n     */\n    function toLower(value) {\n      return toString(value).toLowerCase();\n    }\n\n    /**\n     * Converts `string`, as a whole, to upper case just like\n     * [String#toUpperCase](https://mdn.io/toUpperCase).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the upper cased string.\n     * @example\n     *\n     * _.toUpper('--foo-bar--');\n     * // => '--FOO-BAR--'\n     *\n     * _.toUpper('fooBar');\n     * // => 'FOOBAR'\n     *\n     * _.toUpper('__foo_bar__');\n     * // => '__FOO_BAR__'\n     */\n    function toUpper(value) {\n      return toString(value).toUpperCase();\n    }\n\n    /**\n     * Removes leading and trailing whitespace or specified characters from `string`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to trim.\n     * @param {string} [chars=whitespace] The characters to trim.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {string} Returns the trimmed string.\n     * @example\n     *\n     * _.trim('  abc  ');\n     * // => 'abc'\n     *\n     * _.trim('-_-abc-_-', '_-');\n     * // => 'abc'\n     *\n     * _.map(['  foo  ', '  bar  '], _.trim);\n     * // => ['foo', 'bar']\n     */\n    function trim(string, chars, guard) {\n      string = toString(string);\n      if (string && (guard || chars === undefined)) {\n        return string.replace(reTrim, '');\n      }\n      if (!string || !(chars = baseToString(chars))) {\n        return string;\n      }\n      var strSymbols = stringToArray(string),\n          chrSymbols = stringToArray(chars),\n          start = charsStartIndex(strSymbols, chrSymbols),\n          end = charsEndIndex(strSymbols, chrSymbols) + 1;\n\n      return castSlice(strSymbols, start, end).join('');\n    }\n\n    /**\n     * Removes trailing whitespace or specified characters from `string`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to trim.\n     * @param {string} [chars=whitespace] The characters to trim.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {string} Returns the trimmed string.\n     * @example\n     *\n     * _.trimEnd('  abc  ');\n     * // => '  abc'\n     *\n     * _.trimEnd('-_-abc-_-', '_-');\n     * // => '-_-abc'\n     */\n    function trimEnd(string, chars, guard) {\n      string = toString(string);\n      if (string && (guard || chars === undefined)) {\n        return string.replace(reTrimEnd, '');\n      }\n      if (!string || !(chars = baseToString(chars))) {\n        return string;\n      }\n      var strSymbols = stringToArray(string),\n          end = charsEndIndex(strSymbols, stringToArray(chars)) + 1;\n\n      return castSlice(strSymbols, 0, end).join('');\n    }\n\n    /**\n     * Removes leading whitespace or specified characters from `string`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to trim.\n     * @param {string} [chars=whitespace] The characters to trim.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {string} Returns the trimmed string.\n     * @example\n     *\n     * _.trimStart('  abc  ');\n     * // => 'abc  '\n     *\n     * _.trimStart('-_-abc-_-', '_-');\n     * // => 'abc-_-'\n     */\n    function trimStart(string, chars, guard) {\n      string = toString(string);\n      if (string && (guard || chars === undefined)) {\n        return string.replace(reTrimStart, '');\n      }\n      if (!string || !(chars = baseToString(chars))) {\n        return string;\n      }\n      var strSymbols = stringToArray(string),\n          start = charsStartIndex(strSymbols, stringToArray(chars));\n\n      return castSlice(strSymbols, start).join('');\n    }\n\n    /**\n     * Truncates `string` if it's longer than the given maximum string length.\n     * The last characters of the truncated string are replaced with the omission\n     * string which defaults to \"...\".\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to truncate.\n     * @param {Object} [options={}] The options object.\n     * @param {number} [options.length=30] The maximum string length.\n     * @param {string} [options.omission='...'] The string to indicate text is omitted.\n     * @param {RegExp|string} [options.separator] The separator pattern to truncate to.\n     * @returns {string} Returns the truncated string.\n     * @example\n     *\n     * _.truncate('hi-diddly-ho there, neighborino');\n     * // => 'hi-diddly-ho there, neighbo...'\n     *\n     * _.truncate('hi-diddly-ho there, neighborino', {\n     *   'length': 24,\n     *   'separator': ' '\n     * });\n     * // => 'hi-diddly-ho there,...'\n     *\n     * _.truncate('hi-diddly-ho there, neighborino', {\n     *   'length': 24,\n     *   'separator': /,? +/\n     * });\n     * // => 'hi-diddly-ho there...'\n     *\n     * _.truncate('hi-diddly-ho there, neighborino', {\n     *   'omission': ' [...]'\n     * });\n     * // => 'hi-diddly-ho there, neig [...]'\n     */\n    function truncate(string, options) {\n      var length = DEFAULT_TRUNC_LENGTH,\n          omission = DEFAULT_TRUNC_OMISSION;\n\n      if (isObject(options)) {\n        var separator = 'separator' in options ? options.separator : separator;\n        length = 'length' in options ? toInteger(options.length) : length;\n        omission = 'omission' in options ? baseToString(options.omission) : omission;\n      }\n      string = toString(string);\n\n      var strLength = string.length;\n      if (hasUnicode(string)) {\n        var strSymbols = stringToArray(string);\n        strLength = strSymbols.length;\n      }\n      if (length >= strLength) {\n        return string;\n      }\n      var end = length - stringSize(omission);\n      if (end < 1) {\n        return omission;\n      }\n      var result = strSymbols\n        ? castSlice(strSymbols, 0, end).join('')\n        : string.slice(0, end);\n\n      if (separator === undefined) {\n        return result + omission;\n      }\n      if (strSymbols) {\n        end += (result.length - end);\n      }\n      if (isRegExp(separator)) {\n        if (string.slice(end).search(separator)) {\n          var match,\n              substring = result;\n\n          if (!separator.global) {\n            separator = RegExp(separator.source, toString(reFlags.exec(separator)) + 'g');\n          }\n          separator.lastIndex = 0;\n          while ((match = separator.exec(substring))) {\n            var newEnd = match.index;\n          }\n          result = result.slice(0, newEnd === undefined ? end : newEnd);\n        }\n      } else if (string.indexOf(baseToString(separator), end) != end) {\n        var index = result.lastIndexOf(separator);\n        if (index > -1) {\n          result = result.slice(0, index);\n        }\n      }\n      return result + omission;\n    }\n\n    /**\n     * The inverse of `_.escape`; this method converts the HTML entities\n     * `&amp;`, `&lt;`, `&gt;`, `&quot;`, and `&#39;` in `string` to\n     * their corresponding characters.\n     *\n     * **Note:** No other HTML entities are unescaped. To unescape additional\n     * HTML entities use a third-party library like [_he_](https://mths.be/he).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.6.0\n     * @category String\n     * @param {string} [string=''] The string to unescape.\n     * @returns {string} Returns the unescaped string.\n     * @example\n     *\n     * _.unescape('fred, barney, &amp; pebbles');\n     * // => 'fred, barney, & pebbles'\n     */\n    function unescape(string) {\n      string = toString(string);\n      return (string && reHasEscapedHtml.test(string))\n        ? string.replace(reEscapedHtml, unescapeHtmlChar)\n        : string;\n    }\n\n    /**\n     * Converts `string`, as space separated words, to upper case.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the upper cased string.\n     * @example\n     *\n     * _.upperCase('--foo-bar');\n     * // => 'FOO BAR'\n     *\n     * _.upperCase('fooBar');\n     * // => 'FOO BAR'\n     *\n     * _.upperCase('__foo_bar__');\n     * // => 'FOO BAR'\n     */\n    var upperCase = createCompounder(function(result, word, index) {\n      return result + (index ? ' ' : '') + word.toUpperCase();\n    });\n\n    /**\n     * Converts the first character of `string` to upper case.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the converted string.\n     * @example\n     *\n     * _.upperFirst('fred');\n     * // => 'Fred'\n     *\n     * _.upperFirst('FRED');\n     * // => 'FRED'\n     */\n    var upperFirst = createCaseFirst('toUpperCase');\n\n    /**\n     * Splits `string` into an array of its words.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to inspect.\n     * @param {RegExp|string} [pattern] The pattern to match words.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the words of `string`.\n     * @example\n     *\n     * _.words('fred, barney, & pebbles');\n     * // => ['fred', 'barney', 'pebbles']\n     *\n     * _.words('fred, barney, & pebbles', /[^, ]+/g);\n     * // => ['fred', 'barney', '&', 'pebbles']\n     */\n    function words(string, pattern, guard) {\n      string = toString(string);\n      pattern = guard ? undefined : pattern;\n\n      if (pattern === undefined) {\n        return hasUnicodeWord(string) ? unicodeWords(string) : asciiWords(string);\n      }\n      return string.match(pattern) || [];\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Attempts to invoke `func`, returning either the result or the caught error\n     * object. Any additional arguments are provided to `func` when it's invoked.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Util\n     * @param {Function} func The function to attempt.\n     * @param {...*} [args] The arguments to invoke `func` with.\n     * @returns {*} Returns the `func` result or error object.\n     * @example\n     *\n     * // Avoid throwing errors for invalid selectors.\n     * var elements = _.attempt(function(selector) {\n     *   return document.querySelectorAll(selector);\n     * }, '>_>');\n     *\n     * if (_.isError(elements)) {\n     *   elements = [];\n     * }\n     */\n    var attempt = baseRest(function(func, args) {\n      try {\n        return apply(func, undefined, args);\n      } catch (e) {\n        return isError(e) ? e : new Error(e);\n      }\n    });\n\n    /**\n     * Binds methods of an object to the object itself, overwriting the existing\n     * method.\n     *\n     * **Note:** This method doesn't set the \"length\" property of bound functions.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {Object} object The object to bind and assign the bound methods to.\n     * @param {...(string|string[])} methodNames The object method names to bind.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var view = {\n     *   'label': 'docs',\n     *   'click': function() {\n     *     console.log('clicked ' + this.label);\n     *   }\n     * };\n     *\n     * _.bindAll(view, ['click']);\n     * jQuery(element).on('click', view.click);\n     * // => Logs 'clicked docs' when clicked.\n     */\n    var bindAll = flatRest(function(object, methodNames) {\n      arrayEach(methodNames, function(key) {\n        key = toKey(key);\n        baseAssignValue(object, key, bind(object[key], object));\n      });\n      return object;\n    });\n\n    /**\n     * Creates a function that iterates over `pairs` and invokes the corresponding\n     * function of the first predicate to return truthy. The predicate-function\n     * pairs are invoked with the `this` binding and arguments of the created\n     * function.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {Array} pairs The predicate-function pairs.\n     * @returns {Function} Returns the new composite function.\n     * @example\n     *\n     * var func = _.cond([\n     *   [_.matches({ 'a': 1 }),           _.constant('matches A')],\n     *   [_.conforms({ 'b': _.isNumber }), _.constant('matches B')],\n     *   [_.stubTrue,                      _.constant('no match')]\n     * ]);\n     *\n     * func({ 'a': 1, 'b': 2 });\n     * // => 'matches A'\n     *\n     * func({ 'a': 0, 'b': 1 });\n     * // => 'matches B'\n     *\n     * func({ 'a': '1', 'b': '2' });\n     * // => 'no match'\n     */\n    function cond(pairs) {\n      var length = pairs == null ? 0 : pairs.length,\n          toIteratee = getIteratee();\n\n      pairs = !length ? [] : arrayMap(pairs, function(pair) {\n        if (typeof pair[1] != 'function') {\n          throw new TypeError(FUNC_ERROR_TEXT);\n        }\n        return [toIteratee(pair[0]), pair[1]];\n      });\n\n      return baseRest(function(args) {\n        var index = -1;\n        while (++index < length) {\n          var pair = pairs[index];\n          if (apply(pair[0], this, args)) {\n            return apply(pair[1], this, args);\n          }\n        }\n      });\n    }\n\n    /**\n     * Creates a function that invokes the predicate properties of `source` with\n     * the corresponding property values of a given object, returning `true` if\n     * all predicates return truthy, else `false`.\n     *\n     * **Note:** The created function is equivalent to `_.conformsTo` with\n     * `source` partially applied.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {Object} source The object of property predicates to conform to.\n     * @returns {Function} Returns the new spec function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': 2, 'b': 1 },\n     *   { 'a': 1, 'b': 2 }\n     * ];\n     *\n     * _.filter(objects, _.conforms({ 'b': function(n) { return n > 1; } }));\n     * // => [{ 'a': 1, 'b': 2 }]\n     */\n    function conforms(source) {\n      return baseConforms(baseClone(source, CLONE_DEEP_FLAG));\n    }\n\n    /**\n     * Creates a function that returns `value`.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Util\n     * @param {*} value The value to return from the new function.\n     * @returns {Function} Returns the new constant function.\n     * @example\n     *\n     * var objects = _.times(2, _.constant({ 'a': 1 }));\n     *\n     * console.log(objects);\n     * // => [{ 'a': 1 }, { 'a': 1 }]\n     *\n     * console.log(objects[0] === objects[1]);\n     * // => true\n     */\n    function constant(value) {\n      return function() {\n        return value;\n      };\n    }\n\n    /**\n     * Checks `value` to determine whether a default value should be returned in\n     * its place. The `defaultValue` is returned if `value` is `NaN`, `null`,\n     * or `undefined`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.14.0\n     * @category Util\n     * @param {*} value The value to check.\n     * @param {*} defaultValue The default value.\n     * @returns {*} Returns the resolved value.\n     * @example\n     *\n     * _.defaultTo(1, 10);\n     * // => 1\n     *\n     * _.defaultTo(undefined, 10);\n     * // => 10\n     */\n    function defaultTo(value, defaultValue) {\n      return (value == null || value !== value) ? defaultValue : value;\n    }\n\n    /**\n     * Creates a function that returns the result of invoking the given functions\n     * with the `this` binding of the created function, where each successive\n     * invocation is supplied the return value of the previous.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Util\n     * @param {...(Function|Function[])} [funcs] The functions to invoke.\n     * @returns {Function} Returns the new composite function.\n     * @see _.flowRight\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var addSquare = _.flow([_.add, square]);\n     * addSquare(1, 2);\n     * // => 9\n     */\n    var flow = createFlow();\n\n    /**\n     * This method is like `_.flow` except that it creates a function that\n     * invokes the given functions from right to left.\n     *\n     * @static\n     * @since 3.0.0\n     * @memberOf _\n     * @category Util\n     * @param {...(Function|Function[])} [funcs] The functions to invoke.\n     * @returns {Function} Returns the new composite function.\n     * @see _.flow\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var addSquare = _.flowRight([square, _.add]);\n     * addSquare(1, 2);\n     * // => 9\n     */\n    var flowRight = createFlow(true);\n\n    /**\n     * This method returns the first argument it receives.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {*} value Any value.\n     * @returns {*} Returns `value`.\n     * @example\n     *\n     * var object = { 'a': 1 };\n     *\n     * console.log(_.identity(object) === object);\n     * // => true\n     */\n    function identity(value) {\n      return value;\n    }\n\n    /**\n     * Creates a function that invokes `func` with the arguments of the created\n     * function. If `func` is a property name, the created function returns the\n     * property value for a given element. If `func` is an array or object, the\n     * created function returns `true` for elements that contain the equivalent\n     * source properties, otherwise it returns `false`.\n     *\n     * @static\n     * @since 4.0.0\n     * @memberOf _\n     * @category Util\n     * @param {*} [func=_.identity] The value to convert to a callback.\n     * @returns {Function} Returns the callback.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': true },\n     *   { 'user': 'fred',   'age': 40, 'active': false }\n     * ];\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.filter(users, _.iteratee({ 'user': 'barney', 'active': true }));\n     * // => [{ 'user': 'barney', 'age': 36, 'active': true }]\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.filter(users, _.iteratee(['user', 'fred']));\n     * // => [{ 'user': 'fred', 'age': 40 }]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.map(users, _.iteratee('user'));\n     * // => ['barney', 'fred']\n     *\n     * // Create custom iteratee shorthands.\n     * _.iteratee = _.wrap(_.iteratee, function(iteratee, func) {\n     *   return !_.isRegExp(func) ? iteratee(func) : function(string) {\n     *     return func.test(string);\n     *   };\n     * });\n     *\n     * _.filter(['abc', 'def'], /ef/);\n     * // => ['def']\n     */\n    function iteratee(func) {\n      return baseIteratee(typeof func == 'function' ? func : baseClone(func, CLONE_DEEP_FLAG));\n    }\n\n    /**\n     * Creates a function that performs a partial deep comparison between a given\n     * object and `source`, returning `true` if the given object has equivalent\n     * property values, else `false`.\n     *\n     * **Note:** The created function is equivalent to `_.isMatch` with `source`\n     * partially applied.\n     *\n     * Partial comparisons will match empty array and empty object `source`\n     * values against any array or object value, respectively. See `_.isEqual`\n     * for a list of supported value comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Util\n     * @param {Object} source The object of property values to match.\n     * @returns {Function} Returns the new spec function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': 1, 'b': 2, 'c': 3 },\n     *   { 'a': 4, 'b': 5, 'c': 6 }\n     * ];\n     *\n     * _.filter(objects, _.matches({ 'a': 4, 'c': 6 }));\n     * // => [{ 'a': 4, 'b': 5, 'c': 6 }]\n     */\n    function matches(source) {\n      return baseMatches(baseClone(source, CLONE_DEEP_FLAG));\n    }\n\n    /**\n     * Creates a function that performs a partial deep comparison between the\n     * value at `path` of a given object to `srcValue`, returning `true` if the\n     * object value is equivalent, else `false`.\n     *\n     * **Note:** Partial comparisons will match empty array and empty object\n     * `srcValue` values against any array or object value, respectively. See\n     * `_.isEqual` for a list of supported value comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.2.0\n     * @category Util\n     * @param {Array|string} path The path of the property to get.\n     * @param {*} srcValue The value to match.\n     * @returns {Function} Returns the new spec function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': 1, 'b': 2, 'c': 3 },\n     *   { 'a': 4, 'b': 5, 'c': 6 }\n     * ];\n     *\n     * _.find(objects, _.matchesProperty('a', 4));\n     * // => { 'a': 4, 'b': 5, 'c': 6 }\n     */\n    function matchesProperty(path, srcValue) {\n      return baseMatchesProperty(path, baseClone(srcValue, CLONE_DEEP_FLAG));\n    }\n\n    /**\n     * Creates a function that invokes the method at `path` of a given object.\n     * Any additional arguments are provided to the invoked method.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.7.0\n     * @category Util\n     * @param {Array|string} path The path of the method to invoke.\n     * @param {...*} [args] The arguments to invoke the method with.\n     * @returns {Function} Returns the new invoker function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': { 'b': _.constant(2) } },\n     *   { 'a': { 'b': _.constant(1) } }\n     * ];\n     *\n     * _.map(objects, _.method('a.b'));\n     * // => [2, 1]\n     *\n     * _.map(objects, _.method(['a', 'b']));\n     * // => [2, 1]\n     */\n    var method = baseRest(function(path, args) {\n      return function(object) {\n        return baseInvoke(object, path, args);\n      };\n    });\n\n    /**\n     * The opposite of `_.method`; this method creates a function that invokes\n     * the method at a given path of `object`. Any additional arguments are\n     * provided to the invoked method.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.7.0\n     * @category Util\n     * @param {Object} object The object to query.\n     * @param {...*} [args] The arguments to invoke the method with.\n     * @returns {Function} Returns the new invoker function.\n     * @example\n     *\n     * var array = _.times(3, _.constant),\n     *     object = { 'a': array, 'b': array, 'c': array };\n     *\n     * _.map(['a[2]', 'c[0]'], _.methodOf(object));\n     * // => [2, 0]\n     *\n     * _.map([['a', '2'], ['c', '0']], _.methodOf(object));\n     * // => [2, 0]\n     */\n    var methodOf = baseRest(function(object, args) {\n      return function(path) {\n        return baseInvoke(object, path, args);\n      };\n    });\n\n    /**\n     * Adds all own enumerable string keyed function properties of a source\n     * object to the destination object. If `object` is a function, then methods\n     * are added to its prototype as well.\n     *\n     * **Note:** Use `_.runInContext` to create a pristine `lodash` function to\n     * avoid conflicts caused by modifying the original.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {Function|Object} [object=lodash] The destination object.\n     * @param {Object} source The object of functions to add.\n     * @param {Object} [options={}] The options object.\n     * @param {boolean} [options.chain=true] Specify whether mixins are chainable.\n     * @returns {Function|Object} Returns `object`.\n     * @example\n     *\n     * function vowels(string) {\n     *   return _.filter(string, function(v) {\n     *     return /[aeiou]/i.test(v);\n     *   });\n     * }\n     *\n     * _.mixin({ 'vowels': vowels });\n     * _.vowels('fred');\n     * // => ['e']\n     *\n     * _('fred').vowels().value();\n     * // => ['e']\n     *\n     * _.mixin({ 'vowels': vowels }, { 'chain': false });\n     * _('fred').vowels();\n     * // => ['e']\n     */\n    function mixin(object, source, options) {\n      var props = keys(source),\n          methodNames = baseFunctions(source, props);\n\n      if (options == null &&\n          !(isObject(source) && (methodNames.length || !props.length))) {\n        options = source;\n        source = object;\n        object = this;\n        methodNames = baseFunctions(source, keys(source));\n      }\n      var chain = !(isObject(options) && 'chain' in options) || !!options.chain,\n          isFunc = isFunction(object);\n\n      arrayEach(methodNames, function(methodName) {\n        var func = source[methodName];\n        object[methodName] = func;\n        if (isFunc) {\n          object.prototype[methodName] = function() {\n            var chainAll = this.__chain__;\n            if (chain || chainAll) {\n              var result = object(this.__wrapped__),\n                  actions = result.__actions__ = copyArray(this.__actions__);\n\n              actions.push({ 'func': func, 'args': arguments, 'thisArg': object });\n              result.__chain__ = chainAll;\n              return result;\n            }\n            return func.apply(object, arrayPush([this.value()], arguments));\n          };\n        }\n      });\n\n      return object;\n    }\n\n    /**\n     * Reverts the `_` variable to its previous value and returns a reference to\n     * the `lodash` function.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @returns {Function} Returns the `lodash` function.\n     * @example\n     *\n     * var lodash = _.noConflict();\n     */\n    function noConflict() {\n      if (root._ === this) {\n        root._ = oldDash;\n      }\n      return this;\n    }\n\n    /**\n     * This method returns `undefined`.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.3.0\n     * @category Util\n     * @example\n     *\n     * _.times(2, _.noop);\n     * // => [undefined, undefined]\n     */\n    function noop() {\n      // No operation performed.\n    }\n\n    /**\n     * Creates a function that gets the argument at index `n`. If `n` is negative,\n     * the nth argument from the end is returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {number} [n=0] The index of the argument to return.\n     * @returns {Function} Returns the new pass-thru function.\n     * @example\n     *\n     * var func = _.nthArg(1);\n     * func('a', 'b', 'c', 'd');\n     * // => 'b'\n     *\n     * var func = _.nthArg(-2);\n     * func('a', 'b', 'c', 'd');\n     * // => 'c'\n     */\n    function nthArg(n) {\n      n = toInteger(n);\n      return baseRest(function(args) {\n        return baseNth(args, n);\n      });\n    }\n\n    /**\n     * Creates a function that invokes `iteratees` with the arguments it receives\n     * and returns their results.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {...(Function|Function[])} [iteratees=[_.identity]]\n     *  The iteratees to invoke.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var func = _.over([Math.max, Math.min]);\n     *\n     * func(1, 2, 3, 4);\n     * // => [4, 1]\n     */\n    var over = createOver(arrayMap);\n\n    /**\n     * Creates a function that checks if **all** of the `predicates` return\n     * truthy when invoked with the arguments it receives.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {...(Function|Function[])} [predicates=[_.identity]]\n     *  The predicates to check.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var func = _.overEvery([Boolean, isFinite]);\n     *\n     * func('1');\n     * // => true\n     *\n     * func(null);\n     * // => false\n     *\n     * func(NaN);\n     * // => false\n     */\n    var overEvery = createOver(arrayEvery);\n\n    /**\n     * Creates a function that checks if **any** of the `predicates` return\n     * truthy when invoked with the arguments it receives.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {...(Function|Function[])} [predicates=[_.identity]]\n     *  The predicates to check.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var func = _.overSome([Boolean, isFinite]);\n     *\n     * func('1');\n     * // => true\n     *\n     * func(null);\n     * // => true\n     *\n     * func(NaN);\n     * // => false\n     */\n    var overSome = createOver(arraySome);\n\n    /**\n     * Creates a function that returns the value at `path` of a given object.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Util\n     * @param {Array|string} path The path of the property to get.\n     * @returns {Function} Returns the new accessor function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': { 'b': 2 } },\n     *   { 'a': { 'b': 1 } }\n     * ];\n     *\n     * _.map(objects, _.property('a.b'));\n     * // => [2, 1]\n     *\n     * _.map(_.sortBy(objects, _.property(['a', 'b'])), 'a.b');\n     * // => [1, 2]\n     */\n    function property(path) {\n      return isKey(path) ? baseProperty(toKey(path)) : basePropertyDeep(path);\n    }\n\n    /**\n     * The opposite of `_.property`; this method creates a function that returns\n     * the value at a given path of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Util\n     * @param {Object} object The object to query.\n     * @returns {Function} Returns the new accessor function.\n     * @example\n     *\n     * var array = [0, 1, 2],\n     *     object = { 'a': array, 'b': array, 'c': array };\n     *\n     * _.map(['a[2]', 'c[0]'], _.propertyOf(object));\n     * // => [2, 0]\n     *\n     * _.map([['a', '2'], ['c', '0']], _.propertyOf(object));\n     * // => [2, 0]\n     */\n    function propertyOf(object) {\n      return function(path) {\n        return object == null ? undefined : baseGet(object, path);\n      };\n    }\n\n    /**\n     * Creates an array of numbers (positive and/or negative) progressing from\n     * `start` up to, but not including, `end`. A step of `-1` is used if a negative\n     * `start` is specified without an `end` or `step`. If `end` is not specified,\n     * it's set to `start` with `start` then set to `0`.\n     *\n     * **Note:** JavaScript follows the IEEE-754 standard for resolving\n     * floating-point values which can produce unexpected results.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {number} [start=0] The start of the range.\n     * @param {number} end The end of the range.\n     * @param {number} [step=1] The value to increment or decrement by.\n     * @returns {Array} Returns the range of numbers.\n     * @see _.inRange, _.rangeRight\n     * @example\n     *\n     * _.range(4);\n     * // => [0, 1, 2, 3]\n     *\n     * _.range(-4);\n     * // => [0, -1, -2, -3]\n     *\n     * _.range(1, 5);\n     * // => [1, 2, 3, 4]\n     *\n     * _.range(0, 20, 5);\n     * // => [0, 5, 10, 15]\n     *\n     * _.range(0, -4, -1);\n     * // => [0, -1, -2, -3]\n     *\n     * _.range(1, 4, 0);\n     * // => [1, 1, 1]\n     *\n     * _.range(0);\n     * // => []\n     */\n    var range = createRange();\n\n    /**\n     * This method is like `_.range` except that it populates values in\n     * descending order.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {number} [start=0] The start of the range.\n     * @param {number} end The end of the range.\n     * @param {number} [step=1] The value to increment or decrement by.\n     * @returns {Array} Returns the range of numbers.\n     * @see _.inRange, _.range\n     * @example\n     *\n     * _.rangeRight(4);\n     * // => [3, 2, 1, 0]\n     *\n     * _.rangeRight(-4);\n     * // => [-3, -2, -1, 0]\n     *\n     * _.rangeRight(1, 5);\n     * // => [4, 3, 2, 1]\n     *\n     * _.rangeRight(0, 20, 5);\n     * // => [15, 10, 5, 0]\n     *\n     * _.rangeRight(0, -4, -1);\n     * // => [-3, -2, -1, 0]\n     *\n     * _.rangeRight(1, 4, 0);\n     * // => [1, 1, 1]\n     *\n     * _.rangeRight(0);\n     * // => []\n     */\n    var rangeRight = createRange(true);\n\n    /**\n     * This method returns a new empty array.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {Array} Returns the new empty array.\n     * @example\n     *\n     * var arrays = _.times(2, _.stubArray);\n     *\n     * console.log(arrays);\n     * // => [[], []]\n     *\n     * console.log(arrays[0] === arrays[1]);\n     * // => false\n     */\n    function stubArray() {\n      return [];\n    }\n\n    /**\n     * This method returns `false`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {boolean} Returns `false`.\n     * @example\n     *\n     * _.times(2, _.stubFalse);\n     * // => [false, false]\n     */\n    function stubFalse() {\n      return false;\n    }\n\n    /**\n     * This method returns a new empty object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {Object} Returns the new empty object.\n     * @example\n     *\n     * var objects = _.times(2, _.stubObject);\n     *\n     * console.log(objects);\n     * // => [{}, {}]\n     *\n     * console.log(objects[0] === objects[1]);\n     * // => false\n     */\n    function stubObject() {\n      return {};\n    }\n\n    /**\n     * This method returns an empty string.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {string} Returns the empty string.\n     * @example\n     *\n     * _.times(2, _.stubString);\n     * // => ['', '']\n     */\n    function stubString() {\n      return '';\n    }\n\n    /**\n     * This method returns `true`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {boolean} Returns `true`.\n     * @example\n     *\n     * _.times(2, _.stubTrue);\n     * // => [true, true]\n     */\n    function stubTrue() {\n      return true;\n    }\n\n    /**\n     * Invokes the iteratee `n` times, returning an array of the results of\n     * each invocation. The iteratee is invoked with one argument; (index).\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {number} n The number of times to invoke `iteratee`.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the array of results.\n     * @example\n     *\n     * _.times(3, String);\n     * // => ['0', '1', '2']\n     *\n     *  _.times(4, _.constant(0));\n     * // => [0, 0, 0, 0]\n     */\n    function times(n, iteratee) {\n      n = toInteger(n);\n      if (n < 1 || n > MAX_SAFE_INTEGER) {\n        return [];\n      }\n      var index = MAX_ARRAY_LENGTH,\n          length = nativeMin(n, MAX_ARRAY_LENGTH);\n\n      iteratee = getIteratee(iteratee);\n      n -= MAX_ARRAY_LENGTH;\n\n      var result = baseTimes(length, iteratee);\n      while (++index < n) {\n        iteratee(index);\n      }\n      return result;\n    }\n\n    /**\n     * Converts `value` to a property path array.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {*} value The value to convert.\n     * @returns {Array} Returns the new property path array.\n     * @example\n     *\n     * _.toPath('a.b.c');\n     * // => ['a', 'b', 'c']\n     *\n     * _.toPath('a[0].b.c');\n     * // => ['a', '0', 'b', 'c']\n     */\n    function toPath(value) {\n      if (isArray(value)) {\n        return arrayMap(value, toKey);\n      }\n      return isSymbol(value) ? [value] : copyArray(stringToPath(toString(value)));\n    }\n\n    /**\n     * Generates a unique ID. If `prefix` is given, the ID is appended to it.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {string} [prefix=''] The value to prefix the ID with.\n     * @returns {string} Returns the unique ID.\n     * @example\n     *\n     * _.uniqueId('contact_');\n     * // => 'contact_104'\n     *\n     * _.uniqueId();\n     * // => '105'\n     */\n    function uniqueId(prefix) {\n      var id = ++idCounter;\n      return toString(prefix) + id;\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Adds two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.4.0\n     * @category Math\n     * @param {number} augend The first number in an addition.\n     * @param {number} addend The second number in an addition.\n     * @returns {number} Returns the total.\n     * @example\n     *\n     * _.add(6, 4);\n     * // => 10\n     */\n    var add = createMathOperation(function(augend, addend) {\n      return augend + addend;\n    }, 0);\n\n    /**\n     * Computes `number` rounded up to `precision`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.10.0\n     * @category Math\n     * @param {number} number The number to round up.\n     * @param {number} [precision=0] The precision to round up to.\n     * @returns {number} Returns the rounded up number.\n     * @example\n     *\n     * _.ceil(4.006);\n     * // => 5\n     *\n     * _.ceil(6.004, 2);\n     * // => 6.01\n     *\n     * _.ceil(6040, -2);\n     * // => 6100\n     */\n    var ceil = createRound('ceil');\n\n    /**\n     * Divide two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Math\n     * @param {number} dividend The first number in a division.\n     * @param {number} divisor The second number in a division.\n     * @returns {number} Returns the quotient.\n     * @example\n     *\n     * _.divide(6, 4);\n     * // => 1.5\n     */\n    var divide = createMathOperation(function(dividend, divisor) {\n      return dividend / divisor;\n    }, 1);\n\n    /**\n     * Computes `number` rounded down to `precision`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.10.0\n     * @category Math\n     * @param {number} number The number to round down.\n     * @param {number} [precision=0] The precision to round down to.\n     * @returns {number} Returns the rounded down number.\n     * @example\n     *\n     * _.floor(4.006);\n     * // => 4\n     *\n     * _.floor(0.046, 2);\n     * // => 0.04\n     *\n     * _.floor(4060, -2);\n     * // => 4000\n     */\n    var floor = createRound('floor');\n\n    /**\n     * Computes the maximum value of `array`. If `array` is empty or falsey,\n     * `undefined` is returned.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @returns {*} Returns the maximum value.\n     * @example\n     *\n     * _.max([4, 2, 8, 6]);\n     * // => 8\n     *\n     * _.max([]);\n     * // => undefined\n     */\n    function max(array) {\n      return (array && array.length)\n        ? baseExtremum(array, identity, baseGt)\n        : undefined;\n    }\n\n    /**\n     * This method is like `_.max` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the criterion by which\n     * the value is ranked. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {*} Returns the maximum value.\n     * @example\n     *\n     * var objects = [{ 'n': 1 }, { 'n': 2 }];\n     *\n     * _.maxBy(objects, function(o) { return o.n; });\n     * // => { 'n': 2 }\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.maxBy(objects, 'n');\n     * // => { 'n': 2 }\n     */\n    function maxBy(array, iteratee) {\n      return (array && array.length)\n        ? baseExtremum(array, getIteratee(iteratee, 2), baseGt)\n        : undefined;\n    }\n\n    /**\n     * Computes the mean of the values in `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @returns {number} Returns the mean.\n     * @example\n     *\n     * _.mean([4, 2, 8, 6]);\n     * // => 5\n     */\n    function mean(array) {\n      return baseMean(array, identity);\n    }\n\n    /**\n     * This method is like `_.mean` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the value to be averaged.\n     * The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {number} Returns the mean.\n     * @example\n     *\n     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];\n     *\n     * _.meanBy(objects, function(o) { return o.n; });\n     * // => 5\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.meanBy(objects, 'n');\n     * // => 5\n     */\n    function meanBy(array, iteratee) {\n      return baseMean(array, getIteratee(iteratee, 2));\n    }\n\n    /**\n     * Computes the minimum value of `array`. If `array` is empty or falsey,\n     * `undefined` is returned.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @returns {*} Returns the minimum value.\n     * @example\n     *\n     * _.min([4, 2, 8, 6]);\n     * // => 2\n     *\n     * _.min([]);\n     * // => undefined\n     */\n    function min(array) {\n      return (array && array.length)\n        ? baseExtremum(array, identity, baseLt)\n        : undefined;\n    }\n\n    /**\n     * This method is like `_.min` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the criterion by which\n     * the value is ranked. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {*} Returns the minimum value.\n     * @example\n     *\n     * var objects = [{ 'n': 1 }, { 'n': 2 }];\n     *\n     * _.minBy(objects, function(o) { return o.n; });\n     * // => { 'n': 1 }\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.minBy(objects, 'n');\n     * // => { 'n': 1 }\n     */\n    function minBy(array, iteratee) {\n      return (array && array.length)\n        ? baseExtremum(array, getIteratee(iteratee, 2), baseLt)\n        : undefined;\n    }\n\n    /**\n     * Multiply two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Math\n     * @param {number} multiplier The first number in a multiplication.\n     * @param {number} multiplicand The second number in a multiplication.\n     * @returns {number} Returns the product.\n     * @example\n     *\n     * _.multiply(6, 4);\n     * // => 24\n     */\n    var multiply = createMathOperation(function(multiplier, multiplicand) {\n      return multiplier * multiplicand;\n    }, 1);\n\n    /**\n     * Computes `number` rounded to `precision`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.10.0\n     * @category Math\n     * @param {number} number The number to round.\n     * @param {number} [precision=0] The precision to round to.\n     * @returns {number} Returns the rounded number.\n     * @example\n     *\n     * _.round(4.006);\n     * // => 4\n     *\n     * _.round(4.006, 2);\n     * // => 4.01\n     *\n     * _.round(4060, -2);\n     * // => 4100\n     */\n    var round = createRound('round');\n\n    /**\n     * Subtract two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {number} minuend The first number in a subtraction.\n     * @param {number} subtrahend The second number in a subtraction.\n     * @returns {number} Returns the difference.\n     * @example\n     *\n     * _.subtract(6, 4);\n     * // => 2\n     */\n    var subtract = createMathOperation(function(minuend, subtrahend) {\n      return minuend - subtrahend;\n    }, 0);\n\n    /**\n     * Computes the sum of the values in `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.4.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @returns {number} Returns the sum.\n     * @example\n     *\n     * _.sum([4, 2, 8, 6]);\n     * // => 20\n     */\n    function sum(array) {\n      return (array && array.length)\n        ? baseSum(array, identity)\n        : 0;\n    }\n\n    /**\n     * This method is like `_.sum` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the value to be summed.\n     * The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {number} Returns the sum.\n     * @example\n     *\n     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];\n     *\n     * _.sumBy(objects, function(o) { return o.n; });\n     * // => 20\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.sumBy(objects, 'n');\n     * // => 20\n     */\n    function sumBy(array, iteratee) {\n      return (array && array.length)\n        ? baseSum(array, getIteratee(iteratee, 2))\n        : 0;\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    // Add methods that return wrapped values in chain sequences.\n    lodash.after = after;\n    lodash.ary = ary;\n    lodash.assign = assign;\n    lodash.assignIn = assignIn;\n    lodash.assignInWith = assignInWith;\n    lodash.assignWith = assignWith;\n    lodash.at = at;\n    lodash.before = before;\n    lodash.bind = bind;\n    lodash.bindAll = bindAll;\n    lodash.bindKey = bindKey;\n    lodash.castArray = castArray;\n    lodash.chain = chain;\n    lodash.chunk = chunk;\n    lodash.compact = compact;\n    lodash.concat = concat;\n    lodash.cond = cond;\n    lodash.conforms = conforms;\n    lodash.constant = constant;\n    lodash.countBy = countBy;\n    lodash.create = create;\n    lodash.curry = curry;\n    lodash.curryRight = curryRight;\n    lodash.debounce = debounce;\n    lodash.defaults = defaults;\n    lodash.defaultsDeep = defaultsDeep;\n    lodash.defer = defer;\n    lodash.delay = delay;\n    lodash.difference = difference;\n    lodash.differenceBy = differenceBy;\n    lodash.differenceWith = differenceWith;\n    lodash.drop = drop;\n    lodash.dropRight = dropRight;\n    lodash.dropRightWhile = dropRightWhile;\n    lodash.dropWhile = dropWhile;\n    lodash.fill = fill;\n    lodash.filter = filter;\n    lodash.flatMap = flatMap;\n    lodash.flatMapDeep = flatMapDeep;\n    lodash.flatMapDepth = flatMapDepth;\n    lodash.flatten = flatten;\n    lodash.flattenDeep = flattenDeep;\n    lodash.flattenDepth = flattenDepth;\n    lodash.flip = flip;\n    lodash.flow = flow;\n    lodash.flowRight = flowRight;\n    lodash.fromPairs = fromPairs;\n    lodash.functions = functions;\n    lodash.functionsIn = functionsIn;\n    lodash.groupBy = groupBy;\n    lodash.initial = initial;\n    lodash.intersection = intersection;\n    lodash.intersectionBy = intersectionBy;\n    lodash.intersectionWith = intersectionWith;\n    lodash.invert = invert;\n    lodash.invertBy = invertBy;\n    lodash.invokeMap = invokeMap;\n    lodash.iteratee = iteratee;\n    lodash.keyBy = keyBy;\n    lodash.keys = keys;\n    lodash.keysIn = keysIn;\n    lodash.map = map;\n    lodash.mapKeys = mapKeys;\n    lodash.mapValues = mapValues;\n    lodash.matches = matches;\n    lodash.matchesProperty = matchesProperty;\n    lodash.memoize = memoize;\n    lodash.merge = merge;\n    lodash.mergeWith = mergeWith;\n    lodash.method = method;\n    lodash.methodOf = methodOf;\n    lodash.mixin = mixin;\n    lodash.negate = negate;\n    lodash.nthArg = nthArg;\n    lodash.omit = omit;\n    lodash.omitBy = omitBy;\n    lodash.once = once;\n    lodash.orderBy = orderBy;\n    lodash.over = over;\n    lodash.overArgs = overArgs;\n    lodash.overEvery = overEvery;\n    lodash.overSome = overSome;\n    lodash.partial = partial;\n    lodash.partialRight = partialRight;\n    lodash.partition = partition;\n    lodash.pick = pick;\n    lodash.pickBy = pickBy;\n    lodash.property = property;\n    lodash.propertyOf = propertyOf;\n    lodash.pull = pull;\n    lodash.pullAll = pullAll;\n    lodash.pullAllBy = pullAllBy;\n    lodash.pullAllWith = pullAllWith;\n    lodash.pullAt = pullAt;\n    lodash.range = range;\n    lodash.rangeRight = rangeRight;\n    lodash.rearg = rearg;\n    lodash.reject = reject;\n    lodash.remove = remove;\n    lodash.rest = rest;\n    lodash.reverse = reverse;\n    lodash.sampleSize = sampleSize;\n    lodash.set = set;\n    lodash.setWith = setWith;\n    lodash.shuffle = shuffle;\n    lodash.slice = slice;\n    lodash.sortBy = sortBy;\n    lodash.sortedUniq = sortedUniq;\n    lodash.sortedUniqBy = sortedUniqBy;\n    lodash.split = split;\n    lodash.spread = spread;\n    lodash.tail = tail;\n    lodash.take = take;\n    lodash.takeRight = takeRight;\n    lodash.takeRightWhile = takeRightWhile;\n    lodash.takeWhile = takeWhile;\n    lodash.tap = tap;\n    lodash.throttle = throttle;\n    lodash.thru = thru;\n    lodash.toArray = toArray;\n    lodash.toPairs = toPairs;\n    lodash.toPairsIn = toPairsIn;\n    lodash.toPath = toPath;\n    lodash.toPlainObject = toPlainObject;\n    lodash.transform = transform;\n    lodash.unary = unary;\n    lodash.union = union;\n    lodash.unionBy = unionBy;\n    lodash.unionWith = unionWith;\n    lodash.uniq = uniq;\n    lodash.uniqBy = uniqBy;\n    lodash.uniqWith = uniqWith;\n    lodash.unset = unset;\n    lodash.unzip = unzip;\n    lodash.unzipWith = unzipWith;\n    lodash.update = update;\n    lodash.updateWith = updateWith;\n    lodash.values = values;\n    lodash.valuesIn = valuesIn;\n    lodash.without = without;\n    lodash.words = words;\n    lodash.wrap = wrap;\n    lodash.xor = xor;\n    lodash.xorBy = xorBy;\n    lodash.xorWith = xorWith;\n    lodash.zip = zip;\n    lodash.zipObject = zipObject;\n    lodash.zipObjectDeep = zipObjectDeep;\n    lodash.zipWith = zipWith;\n\n    // Add aliases.\n    lodash.entries = toPairs;\n    lodash.entriesIn = toPairsIn;\n    lodash.extend = assignIn;\n    lodash.extendWith = assignInWith;\n\n    // Add methods to `lodash.prototype`.\n    mixin(lodash, lodash);\n\n    /*------------------------------------------------------------------------*/\n\n    // Add methods that return unwrapped values in chain sequences.\n    lodash.add = add;\n    lodash.attempt = attempt;\n    lodash.camelCase = camelCase;\n    lodash.capitalize = capitalize;\n    lodash.ceil = ceil;\n    lodash.clamp = clamp;\n    lodash.clone = clone;\n    lodash.cloneDeep = cloneDeep;\n    lodash.cloneDeepWith = cloneDeepWith;\n    lodash.cloneWith = cloneWith;\n    lodash.conformsTo = conformsTo;\n    lodash.deburr = deburr;\n    lodash.defaultTo = defaultTo;\n    lodash.divide = divide;\n    lodash.endsWith = endsWith;\n    lodash.eq = eq;\n    lodash.escape = escape;\n    lodash.escapeRegExp = escapeRegExp;\n    lodash.every = every;\n    lodash.find = find;\n    lodash.findIndex = findIndex;\n    lodash.findKey = findKey;\n    lodash.findLast = findLast;\n    lodash.findLastIndex = findLastIndex;\n    lodash.findLastKey = findLastKey;\n    lodash.floor = floor;\n    lodash.forEach = forEach;\n    lodash.forEachRight = forEachRight;\n    lodash.forIn = forIn;\n    lodash.forInRight = forInRight;\n    lodash.forOwn = forOwn;\n    lodash.forOwnRight = forOwnRight;\n    lodash.get = get;\n    lodash.gt = gt;\n    lodash.gte = gte;\n    lodash.has = has;\n    lodash.hasIn = hasIn;\n    lodash.head = head;\n    lodash.identity = identity;\n    lodash.includes = includes;\n    lodash.indexOf = indexOf;\n    lodash.inRange = inRange;\n    lodash.invoke = invoke;\n    lodash.isArguments = isArguments;\n    lodash.isArray = isArray;\n    lodash.isArrayBuffer = isArrayBuffer;\n    lodash.isArrayLike = isArrayLike;\n    lodash.isArrayLikeObject = isArrayLikeObject;\n    lodash.isBoolean = isBoolean;\n    lodash.isBuffer = isBuffer;\n    lodash.isDate = isDate;\n    lodash.isElement = isElement;\n    lodash.isEmpty = isEmpty;\n    lodash.isEqual = isEqual;\n    lodash.isEqualWith = isEqualWith;\n    lodash.isError = isError;\n    lodash.isFinite = isFinite;\n    lodash.isFunction = isFunction;\n    lodash.isInteger = isInteger;\n    lodash.isLength = isLength;\n    lodash.isMap = isMap;\n    lodash.isMatch = isMatch;\n    lodash.isMatchWith = isMatchWith;\n    lodash.isNaN = isNaN;\n    lodash.isNative = isNative;\n    lodash.isNil = isNil;\n    lodash.isNull = isNull;\n    lodash.isNumber = isNumber;\n    lodash.isObject = isObject;\n    lodash.isObjectLike = isObjectLike;\n    lodash.isPlainObject = isPlainObject;\n    lodash.isRegExp = isRegExp;\n    lodash.isSafeInteger = isSafeInteger;\n    lodash.isSet = isSet;\n    lodash.isString = isString;\n    lodash.isSymbol = isSymbol;\n    lodash.isTypedArray = isTypedArray;\n    lodash.isUndefined = isUndefined;\n    lodash.isWeakMap = isWeakMap;\n    lodash.isWeakSet = isWeakSet;\n    lodash.join = join;\n    lodash.kebabCase = kebabCase;\n    lodash.last = last;\n    lodash.lastIndexOf = lastIndexOf;\n    lodash.lowerCase = lowerCase;\n    lodash.lowerFirst = lowerFirst;\n    lodash.lt = lt;\n    lodash.lte = lte;\n    lodash.max = max;\n    lodash.maxBy = maxBy;\n    lodash.mean = mean;\n    lodash.meanBy = meanBy;\n    lodash.min = min;\n    lodash.minBy = minBy;\n    lodash.stubArray = stubArray;\n    lodash.stubFalse = stubFalse;\n    lodash.stubObject = stubObject;\n    lodash.stubString = stubString;\n    lodash.stubTrue = stubTrue;\n    lodash.multiply = multiply;\n    lodash.nth = nth;\n    lodash.noConflict = noConflict;\n    lodash.noop = noop;\n    lodash.now = now;\n    lodash.pad = pad;\n    lodash.padEnd = padEnd;\n    lodash.padStart = padStart;\n    lodash.parseInt = parseInt;\n    lodash.random = random;\n    lodash.reduce = reduce;\n    lodash.reduceRight = reduceRight;\n    lodash.repeat = repeat;\n    lodash.replace = replace;\n    lodash.result = result;\n    lodash.round = round;\n    lodash.runInContext = runInContext;\n    lodash.sample = sample;\n    lodash.size = size;\n    lodash.snakeCase = snakeCase;\n    lodash.some = some;\n    lodash.sortedIndex = sortedIndex;\n    lodash.sortedIndexBy = sortedIndexBy;\n    lodash.sortedIndexOf = sortedIndexOf;\n    lodash.sortedLastIndex = sortedLastIndex;\n    lodash.sortedLastIndexBy = sortedLastIndexBy;\n    lodash.sortedLastIndexOf = sortedLastIndexOf;\n    lodash.startCase = startCase;\n    lodash.startsWith = startsWith;\n    lodash.subtract = subtract;\n    lodash.sum = sum;\n    lodash.sumBy = sumBy;\n    lodash.template = template;\n    lodash.times = times;\n    lodash.toFinite = toFinite;\n    lodash.toInteger = toInteger;\n    lodash.toLength = toLength;\n    lodash.toLower = toLower;\n    lodash.toNumber = toNumber;\n    lodash.toSafeInteger = toSafeInteger;\n    lodash.toString = toString;\n    lodash.toUpper = toUpper;\n    lodash.trim = trim;\n    lodash.trimEnd = trimEnd;\n    lodash.trimStart = trimStart;\n    lodash.truncate = truncate;\n    lodash.unescape = unescape;\n    lodash.uniqueId = uniqueId;\n    lodash.upperCase = upperCase;\n    lodash.upperFirst = upperFirst;\n\n    // Add aliases.\n    lodash.each = forEach;\n    lodash.eachRight = forEachRight;\n    lodash.first = head;\n\n    mixin(lodash, (function() {\n      var source = {};\n      baseForOwn(lodash, function(func, methodName) {\n        if (!hasOwnProperty.call(lodash.prototype, methodName)) {\n          source[methodName] = func;\n        }\n      });\n      return source;\n    }()), { 'chain': false });\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * The semantic version number.\n     *\n     * @static\n     * @memberOf _\n     * @type {string}\n     */\n    lodash.VERSION = VERSION;\n\n    // Assign default placeholders.\n    arrayEach(['bind', 'bindKey', 'curry', 'curryRight', 'partial', 'partialRight'], function(methodName) {\n      lodash[methodName].placeholder = lodash;\n    });\n\n    // Add `LazyWrapper` methods for `_.drop` and `_.take` variants.\n    arrayEach(['drop', 'take'], function(methodName, index) {\n      LazyWrapper.prototype[methodName] = function(n) {\n        n = n === undefined ? 1 : nativeMax(toInteger(n), 0);\n\n        var result = (this.__filtered__ && !index)\n          ? new LazyWrapper(this)\n          : this.clone();\n\n        if (result.__filtered__) {\n          result.__takeCount__ = nativeMin(n, result.__takeCount__);\n        } else {\n          result.__views__.push({\n            'size': nativeMin(n, MAX_ARRAY_LENGTH),\n            'type': methodName + (result.__dir__ < 0 ? 'Right' : '')\n          });\n        }\n        return result;\n      };\n\n      LazyWrapper.prototype[methodName + 'Right'] = function(n) {\n        return this.reverse()[methodName](n).reverse();\n      };\n    });\n\n    // Add `LazyWrapper` methods that accept an `iteratee` value.\n    arrayEach(['filter', 'map', 'takeWhile'], function(methodName, index) {\n      var type = index + 1,\n          isFilter = type == LAZY_FILTER_FLAG || type == LAZY_WHILE_FLAG;\n\n      LazyWrapper.prototype[methodName] = function(iteratee) {\n        var result = this.clone();\n        result.__iteratees__.push({\n          'iteratee': getIteratee(iteratee, 3),\n          'type': type\n        });\n        result.__filtered__ = result.__filtered__ || isFilter;\n        return result;\n      };\n    });\n\n    // Add `LazyWrapper` methods for `_.head` and `_.last`.\n    arrayEach(['head', 'last'], function(methodName, index) {\n      var takeName = 'take' + (index ? 'Right' : '');\n\n      LazyWrapper.prototype[methodName] = function() {\n        return this[takeName](1).value()[0];\n      };\n    });\n\n    // Add `LazyWrapper` methods for `_.initial` and `_.tail`.\n    arrayEach(['initial', 'tail'], function(methodName, index) {\n      var dropName = 'drop' + (index ? '' : 'Right');\n\n      LazyWrapper.prototype[methodName] = function() {\n        return this.__filtered__ ? new LazyWrapper(this) : this[dropName](1);\n      };\n    });\n\n    LazyWrapper.prototype.compact = function() {\n      return this.filter(identity);\n    };\n\n    LazyWrapper.prototype.find = function(predicate) {\n      return this.filter(predicate).head();\n    };\n\n    LazyWrapper.prototype.findLast = function(predicate) {\n      return this.reverse().find(predicate);\n    };\n\n    LazyWrapper.prototype.invokeMap = baseRest(function(path, args) {\n      if (typeof path == 'function') {\n        return new LazyWrapper(this);\n      }\n      return this.map(function(value) {\n        return baseInvoke(value, path, args);\n      });\n    });\n\n    LazyWrapper.prototype.reject = function(predicate) {\n      return this.filter(negate(getIteratee(predicate)));\n    };\n\n    LazyWrapper.prototype.slice = function(start, end) {\n      start = toInteger(start);\n\n      var result = this;\n      if (result.__filtered__ && (start > 0 || end < 0)) {\n        return new LazyWrapper(result);\n      }\n      if (start < 0) {\n        result = result.takeRight(-start);\n      } else if (start) {\n        result = result.drop(start);\n      }\n      if (end !== undefined) {\n        end = toInteger(end);\n        result = end < 0 ? result.dropRight(-end) : result.take(end - start);\n      }\n      return result;\n    };\n\n    LazyWrapper.prototype.takeRightWhile = function(predicate) {\n      return this.reverse().takeWhile(predicate).reverse();\n    };\n\n    LazyWrapper.prototype.toArray = function() {\n      return this.take(MAX_ARRAY_LENGTH);\n    };\n\n    // Add `LazyWrapper` methods to `lodash.prototype`.\n    baseForOwn(LazyWrapper.prototype, function(func, methodName) {\n      var checkIteratee = /^(?:filter|find|map|reject)|While$/.test(methodName),\n          isTaker = /^(?:head|last)$/.test(methodName),\n          lodashFunc = lodash[isTaker ? ('take' + (methodName == 'last' ? 'Right' : '')) : methodName],\n          retUnwrapped = isTaker || /^find/.test(methodName);\n\n      if (!lodashFunc) {\n        return;\n      }\n      lodash.prototype[methodName] = function() {\n        var value = this.__wrapped__,\n            args = isTaker ? [1] : arguments,\n            isLazy = value instanceof LazyWrapper,\n            iteratee = args[0],\n            useLazy = isLazy || isArray(value);\n\n        var interceptor = function(value) {\n          var result = lodashFunc.apply(lodash, arrayPush([value], args));\n          return (isTaker && chainAll) ? result[0] : result;\n        };\n\n        if (useLazy && checkIteratee && typeof iteratee == 'function' && iteratee.length != 1) {\n          // Avoid lazy use if the iteratee has a \"length\" value other than `1`.\n          isLazy = useLazy = false;\n        }\n        var chainAll = this.__chain__,\n            isHybrid = !!this.__actions__.length,\n            isUnwrapped = retUnwrapped && !chainAll,\n            onlyLazy = isLazy && !isHybrid;\n\n        if (!retUnwrapped && useLazy) {\n          value = onlyLazy ? value : new LazyWrapper(this);\n          var result = func.apply(value, args);\n          result.__actions__.push({ 'func': thru, 'args': [interceptor], 'thisArg': undefined });\n          return new LodashWrapper(result, chainAll);\n        }\n        if (isUnwrapped && onlyLazy) {\n          return func.apply(this, args);\n        }\n        result = this.thru(interceptor);\n        return isUnwrapped ? (isTaker ? result.value()[0] : result.value()) : result;\n      };\n    });\n\n    // Add `Array` methods to `lodash.prototype`.\n    arrayEach(['pop', 'push', 'shift', 'sort', 'splice', 'unshift'], function(methodName) {\n      var func = arrayProto[methodName],\n          chainName = /^(?:push|sort|unshift)$/.test(methodName) ? 'tap' : 'thru',\n          retUnwrapped = /^(?:pop|shift)$/.test(methodName);\n\n      lodash.prototype[methodName] = function() {\n        var args = arguments;\n        if (retUnwrapped && !this.__chain__) {\n          var value = this.value();\n          return func.apply(isArray(value) ? value : [], args);\n        }\n        return this[chainName](function(value) {\n          return func.apply(isArray(value) ? value : [], args);\n        });\n      };\n    });\n\n    // Map minified method names to their real names.\n    baseForOwn(LazyWrapper.prototype, function(func, methodName) {\n      var lodashFunc = lodash[methodName];\n      if (lodashFunc) {\n        var key = lodashFunc.name + '';\n        if (!hasOwnProperty.call(realNames, key)) {\n          realNames[key] = [];\n        }\n        realNames[key].push({ 'name': methodName, 'func': lodashFunc });\n      }\n    });\n\n    realNames[createHybrid(undefined, WRAP_BIND_KEY_FLAG).name] = [{\n      'name': 'wrapper',\n      'func': undefined\n    }];\n\n    // Add methods to `LazyWrapper`.\n    LazyWrapper.prototype.clone = lazyClone;\n    LazyWrapper.prototype.reverse = lazyReverse;\n    LazyWrapper.prototype.value = lazyValue;\n\n    // Add chain sequence methods to the `lodash` wrapper.\n    lodash.prototype.at = wrapperAt;\n    lodash.prototype.chain = wrapperChain;\n    lodash.prototype.commit = wrapperCommit;\n    lodash.prototype.next = wrapperNext;\n    lodash.prototype.plant = wrapperPlant;\n    lodash.prototype.reverse = wrapperReverse;\n    lodash.prototype.toJSON = lodash.prototype.valueOf = lodash.prototype.value = wrapperValue;\n\n    // Add lazy aliases.\n    lodash.prototype.first = lodash.prototype.head;\n\n    if (symIterator) {\n      lodash.prototype[symIterator] = wrapperToIterator;\n    }\n    return lodash;\n  });\n\n  /*--------------------------------------------------------------------------*/\n\n  // Export lodash.\n  var _ = runInContext();\n\n  // Some AMD build optimizers, like r.js, check for condition patterns like:\n  if (typeof define == 'function' && typeof define.amd == 'object' && define.amd) {\n    // Expose Lodash on the global object to prevent errors when Lodash is\n    // loaded by a script tag in the presence of an AMD loader.\n    // See http://requirejs.org/docs/errors.html#mismatch for more details.\n    // Use `_.noConflict` to remove Lodash from the global object.\n    root._ = _;\n\n    // Define as an anonymous module so, through path mapping, it can be\n    // referenced as the \"underscore\" module.\n    define(function() {\n      return _;\n    });\n  }\n  // Check for `exports` after `define` in case a build optimizer adds it.\n  else if (freeModule) {\n    // Export for Node.js.\n    (freeModule.exports = _)._ = _;\n    // Export for CommonJS support.\n    freeExports._ = _;\n  }\n  else {\n    // Export to the global object.\n    root._ = _;\n  }\n}.call(this));\n",
-    "import { union, reduce } from \"lodash/fp\"\r\n\r\nconst commonPlus = extra => union([\"onBegin\", \"onComplete\", \"onError\"])(extra)\r\n\r\nconst common = () => commonPlus([])\r\n\r\nconst _events = {\r\n  recordApi: {\r\n    save: commonPlus([\"onInvalid\", \"onRecordUpdated\", \"onRecordCreated\"]),\r\n    delete: common(),\r\n    getContext: common(),\r\n    getNew: common(),\r\n    load: common(),\r\n    validate: common(),\r\n    uploadFile: common(),\r\n    downloadFile: common(),\r\n  },\r\n  indexApi: {\r\n    buildIndex: common(),\r\n    listItems: common(),\r\n    delete: common(),\r\n    aggregates: common(),\r\n  },\r\n  collectionApi: {\r\n    getAllowedRecordTypes: common(),\r\n    initialise: common(),\r\n    delete: common(),\r\n  },\r\n  authApi: {\r\n    authenticate: common(),\r\n    authenticateTemporaryAccess: common(),\r\n    createTemporaryAccess: common(),\r\n    createUser: common(),\r\n    enableUser: common(),\r\n    disableUser: common(),\r\n    loadAccessLevels: common(),\r\n    getNewAccessLevel: common(),\r\n    getNewUser: common(),\r\n    getNewUserAuth: common(),\r\n    getUsers: common(),\r\n    saveAccessLevels: common(),\r\n    isAuthorized: common(),\r\n    changeMyPassword: common(),\r\n    setPasswordFromTemporaryCode: common(),\r\n    scorePassword: common(),\r\n    isValidPassword: common(),\r\n    validateUser: common(),\r\n    validateAccessLevels: common(),\r\n    setUserAccessLevels: common(),\r\n  },\r\n  templateApi: {\r\n    saveApplicationHierarchy: common(),\r\n    saveActionsAndTriggers: common(),\r\n  },\r\n  actionsApi: {\r\n    execute: common(),\r\n  },\r\n}\r\n\r\nconst _eventsList = []\r\n\r\nconst makeEvent = (area, method, name) => `${area}:${method}:${name}`\r\n\r\nfor (const areaKey in _events) {\r\n  for (const methodKey in _events[areaKey]) {\r\n    _events[areaKey][methodKey] = reduce((obj, s) => {\r\n      obj[s] = makeEvent(areaKey, methodKey, s)\r\n      return obj\r\n    }, {})(_events[areaKey][methodKey])\r\n  }\r\n}\r\n\r\nfor (const areaKey in _events) {\r\n  for (const methodKey in _events[areaKey]) {\r\n    for (const name in _events[areaKey][methodKey]) {\r\n      _eventsList.push(_events[areaKey][methodKey][name])\r\n    }\r\n  }\r\n}\r\n\r\nexport const events = _events\r\n\r\nexport const eventsList = _eventsList\r\n\r\nexport default { events: _events, eventsList: _eventsList }\r\n",
+    "import { union, reduce } from \"lodash/fp\"\r\n\r\nconst commonPlus = extra => union([\"onBegin\", \"onComplete\", \"onError\"])(extra)\r\n\r\nconst common = () => commonPlus([])\r\n\r\nconst _events = {\r\n  rowApi: {\r\n    save: commonPlus([\"onInvalid\", \"onRowUpdated\", \"onRowCreated\"]),\r\n    delete: common(),\r\n    getContext: common(),\r\n    getNew: common(),\r\n    load: common(),\r\n    validate: common(),\r\n    uploadFile: common(),\r\n    downloadFile: common(),\r\n  },\r\n  indexApi: {\r\n    buildIndex: common(),\r\n    listItems: common(),\r\n    delete: common(),\r\n    aggregates: common(),\r\n  },\r\n  collectionApi: {\r\n    getAllowedRowTypes: common(),\r\n    initialise: common(),\r\n    delete: common(),\r\n  },\r\n  authApi: {\r\n    authenticate: common(),\r\n    authenticateTemporaryAccess: common(),\r\n    createTemporaryAccess: common(),\r\n    createUser: common(),\r\n    enableUser: common(),\r\n    disableUser: common(),\r\n    loadAccessLevels: common(),\r\n    getNewAccessLevel: common(),\r\n    getNewUser: common(),\r\n    getNewUserAuth: common(),\r\n    getUsers: common(),\r\n    saveAccessLevels: common(),\r\n    isAuthorized: common(),\r\n    changeMyPassword: common(),\r\n    setPasswordFromTemporaryCode: common(),\r\n    scorePassword: common(),\r\n    isValidPassword: common(),\r\n    validateUser: common(),\r\n    validateAccessLevels: common(),\r\n    setUserAccessLevels: common(),\r\n  },\r\n  templateApi: {\r\n    saveApplicationHierarchy: common(),\r\n    saveActionsAndTriggers: common(),\r\n  },\r\n  actionsApi: {\r\n    execute: common(),\r\n  },\r\n}\r\n\r\nconst _eventsList = []\r\n\r\nconst makeEvent = (area, method, name) => `${area}:${method}:${name}`\r\n\r\nfor (const areaKey in _events) {\r\n  for (const methodKey in _events[areaKey]) {\r\n    _events[areaKey][methodKey] = reduce((obj, s) => {\r\n      obj[s] = makeEvent(areaKey, methodKey, s)\r\n      return obj\r\n    }, {})(_events[areaKey][methodKey])\r\n  }\r\n}\r\n\r\nfor (const areaKey in _events) {\r\n  for (const methodKey in _events[areaKey]) {\r\n    for (const name in _events[areaKey][methodKey]) {\r\n      _eventsList.push(_events[areaKey][methodKey][name])\r\n    }\r\n  }\r\n}\r\n\r\nexport const events = _events\r\n\r\nexport const eventsList = _eventsList\r\n\r\nexport default { events: _events, eventsList: _eventsList }\r\n",
     "export class BadRequestError extends Error {\r\n  constructor(message) {\r\n    super(message)\r\n    this.httpStatusCode = 400\r\n  }\r\n}\r\n\r\nexport class UnauthorisedError extends Error {\r\n  constructor(message) {\r\n    super(message)\r\n    this.httpStatusCode = 401\r\n  }\r\n}\r\n\r\nexport class ForbiddenError extends Error {\r\n  constructor(message) {\r\n    super(message)\r\n    this.httpStatusCode = 403\r\n  }\r\n}\r\n\r\nexport class NotFoundError extends Error {\r\n  constructor(message) {\r\n    super(message)\r\n    this.httpStatusCode = 404\r\n  }\r\n}\r\n\r\nexport class ConflictError extends Error {\r\n  constructor(message) {\r\n    super(message)\r\n    this.httpStatusCode = 409\r\n  }\r\n}\r\n",
     "import { cloneDeep, isUndefined } from \"lodash/fp\"\r\nimport { generate } from \"shortid\"\r\nimport { UnauthorisedError } from \"./errors\"\r\n\r\nexport const apiWrapper = async (\r\n  app,\r\n  eventNamespace,\r\n  isAuthorized,\r\n  eventContext,\r\n  func,\r\n  ...params\r\n) => {\r\n  pushCallStack(app, eventNamespace)\r\n\r\n  if (!isAuthorized(app)) {\r\n    handleNotAuthorized(app, eventContext, eventNamespace)\r\n    return\r\n  }\r\n\r\n  const startDate = Date.now()\r\n  const elapsed = () => Date.now() - startDate\r\n\r\n  try {\r\n    await app.publish(eventNamespace.onBegin, eventContext)\r\n\r\n    const result = await func(...params)\r\n\r\n    await publishComplete(app, eventContext, eventNamespace, elapsed, result)\r\n    return result\r\n  } catch (error) {\r\n    await publishError(app, eventContext, eventNamespace, elapsed, error)\r\n    throw error\r\n  }\r\n}\r\n\r\nexport const apiWrapperSync = (\r\n  app,\r\n  eventNamespace,\r\n  isAuthorized,\r\n  eventContext,\r\n  func,\r\n  ...params\r\n) => {\r\n  pushCallStack(app, eventNamespace)\r\n\r\n  if (!isAuthorized(app)) {\r\n    handleNotAuthorized(app, eventContext, eventNamespace)\r\n    return\r\n  }\r\n\r\n  const startDate = Date.now()\r\n  const elapsed = () => Date.now() - startDate\r\n\r\n  try {\r\n    app.publish(eventNamespace.onBegin, eventContext)\r\n\r\n    const result = func(...params)\r\n\r\n    publishComplete(app, eventContext, eventNamespace, elapsed, result)\r\n    return result\r\n  } catch (error) {\r\n    publishError(app, eventContext, eventNamespace, elapsed, error)\r\n    throw error\r\n  }\r\n}\r\n\r\nconst handleNotAuthorized = (app, eventContext, eventNamespace) => {\r\n  const err = new UnauthorisedError(`Unauthorized: ${eventNamespace}`)\r\n  publishError(app, eventContext, eventNamespace, () => 0, err)\r\n  throw err\r\n}\r\n\r\nconst pushCallStack = (app, eventNamespace, seedCallId) => {\r\n  const callId = generate()\r\n\r\n  const createCallStack = () => ({\r\n    seedCallId: !isUndefined(seedCallId) ? seedCallId : callId,\r\n    threadCallId: callId,\r\n    stack: [],\r\n  })\r\n\r\n  if (isUndefined(app.calls)) {\r\n    app.calls = createCallStack()\r\n  }\r\n\r\n  app.calls.stack.push({\r\n    namespace: eventNamespace,\r\n    callId,\r\n  })\r\n}\r\n\r\nconst popCallStack = app => {\r\n  app.calls.stack.pop()\r\n  if (app.calls.stack.length === 0) {\r\n    delete app.calls\r\n  }\r\n}\r\n\r\nconst publishError = async (\r\n  app,\r\n  eventContext,\r\n  eventNamespace,\r\n  elapsed,\r\n  err\r\n) => {\r\n  const ctx = cloneDeep(eventContext)\r\n  ctx.error = err\r\n  ctx.elapsed = elapsed()\r\n  await app.publish(eventNamespace.onError, ctx)\r\n  popCallStack(app)\r\n}\r\n\r\nconst publishComplete = async (\r\n  app,\r\n  eventContext,\r\n  eventNamespace,\r\n  elapsed,\r\n  result\r\n) => {\r\n  const endcontext = cloneDeep(eventContext)\r\n  endcontext.result = result\r\n  endcontext.elapsed = elapsed()\r\n  await app.publish(eventNamespace.onComplete, endcontext)\r\n  popCallStack(app)\r\n  return result\r\n}\r\n\r\nexport default apiWrapper\r\n",
     "/*\r\n Copyright (c) 2012 Nevins Bartolomeo <nevins.bartolomeo@gmail.com>\r\n Copyright (c) 2012 Shane Girish <shaneGirish@gmail.com>\r\n Copyright (c) 2014 Daniel Wirtz <dcode@dcode.io>\r\n\r\n Redistribution and use in source and binary forms, with or without\r\n modification, are permitted provided that the following conditions\r\n are met:\r\n 1. Redistributions of source code must retain the above copyright\r\n notice, this list of conditions and the following disclaimer.\r\n 2. Redistributions in binary form must reproduce the above copyright\r\n notice, this list of conditions and the following disclaimer in the\r\n documentation and/or other materials provided with the distribution.\r\n 3. The name of the author may not be used to endorse or promote products\r\n derived from this software without specific prior written permission.\r\n\r\n THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR\r\n IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES\r\n OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.\r\n IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,\r\n INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT\r\n NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,\r\n DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY\r\n THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\r\n (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF\r\n THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\r\n */\r\n\r\n/**\r\n * @license bcrypt.js (c) 2013 Daniel Wirtz <dcode@dcode.io>\r\n * Released under the Apache License, Version 2.0\r\n * see: https://github.com/dcodeIO/bcrypt.js for details\r\n */\r\n(function(global, factory) {\r\n\r\n    /* AMD */ if (typeof define === 'function' && define[\"amd\"])\r\n        define([], factory);\r\n    /* CommonJS */ else if (typeof require === 'function' && typeof module === \"object\" && module && module[\"exports\"])\r\n        module[\"exports\"] = factory();\r\n    /* Global */ else\r\n        (global[\"dcodeIO\"] = global[\"dcodeIO\"] || {})[\"bcrypt\"] = factory();\r\n\r\n}(this, function() {\r\n    \"use strict\";\r\n\r\n    /**\r\n     * bcrypt namespace.\r\n     * @type {Object.<string,*>}\r\n     */\r\n    var bcrypt = {};\r\n\r\n    /**\r\n     * The random implementation to use as a fallback.\r\n     * @type {?function(number):!Array.<number>}\r\n     * @inner\r\n     */\r\n    var randomFallback = null;\r\n\r\n    /**\r\n     * Generates cryptographically secure random bytes.\r\n     * @function\r\n     * @param {number} len Bytes length\r\n     * @returns {!Array.<number>} Random bytes\r\n     * @throws {Error} If no random implementation is available\r\n     * @inner\r\n     */\r\n    function random(len) {\r\n        /* node */ if (typeof module !== 'undefined' && module && module['exports'])\r\n            try {\r\n                return require(\"crypto\")['randomBytes'](len);\r\n            } catch (e) {}\r\n        /* WCA */ try {\r\n            var a; (self['crypto']||self['msCrypto'])['getRandomValues'](a = new Uint32Array(len));\r\n            return Array.prototype.slice.call(a);\r\n        } catch (e) {}\r\n        /* fallback */ if (!randomFallback)\r\n            throw Error(\"Neither WebCryptoAPI nor a crypto module is available. Use bcrypt.setRandomFallback to set an alternative\");\r\n        return randomFallback(len);\r\n    }\r\n\r\n    // Test if any secure randomness source is available\r\n    var randomAvailable = false;\r\n    try {\r\n        random(1);\r\n        randomAvailable = true;\r\n    } catch (e) {}\r\n\r\n    // Default fallback, if any\r\n    randomFallback = null;\r\n    /**\r\n     * Sets the pseudo random number generator to use as a fallback if neither node's `crypto` module nor the Web Crypto\r\n     *  API is available. Please note: It is highly important that the PRNG used is cryptographically secure and that it\r\n     *  is seeded properly!\r\n     * @param {?function(number):!Array.<number>} random Function taking the number of bytes to generate as its\r\n     *  sole argument, returning the corresponding array of cryptographically secure random byte values.\r\n     * @see http://nodejs.org/api/crypto.html\r\n     * @see http://www.w3.org/TR/WebCryptoAPI/\r\n     */\r\n    bcrypt.setRandomFallback = function(random) {\r\n        randomFallback = random;\r\n    };\r\n\r\n    /**\r\n     * Synchronously generates a salt.\r\n     * @param {number=} rounds Number of rounds to use, defaults to 10 if omitted\r\n     * @param {number=} seed_length Not supported.\r\n     * @returns {string} Resulting salt\r\n     * @throws {Error} If a random fallback is required but not set\r\n     * @expose\r\n     */\r\n    bcrypt.genSaltSync = function(rounds, seed_length) {\r\n        rounds = rounds || GENSALT_DEFAULT_LOG2_ROUNDS;\r\n        if (typeof rounds !== 'number')\r\n            throw Error(\"Illegal arguments: \"+(typeof rounds)+\", \"+(typeof seed_length));\r\n        if (rounds < 4)\r\n            rounds = 4;\r\n        else if (rounds > 31)\r\n            rounds = 31;\r\n        var salt = [];\r\n        salt.push(\"$2a$\");\r\n        if (rounds < 10)\r\n            salt.push(\"0\");\r\n        salt.push(rounds.toString());\r\n        salt.push('$');\r\n        salt.push(base64_encode(random(BCRYPT_SALT_LEN), BCRYPT_SALT_LEN)); // May throw\r\n        return salt.join('');\r\n    };\r\n\r\n    /**\r\n     * Asynchronously generates a salt.\r\n     * @param {(number|function(Error, string=))=} rounds Number of rounds to use, defaults to 10 if omitted\r\n     * @param {(number|function(Error, string=))=} seed_length Not supported.\r\n     * @param {function(Error, string=)=} callback Callback receiving the error, if any, and the resulting salt\r\n     * @returns {!Promise} If `callback` has been omitted\r\n     * @throws {Error} If `callback` is present but not a function\r\n     * @expose\r\n     */\r\n    bcrypt.genSalt = function(rounds, seed_length, callback) {\r\n        if (typeof seed_length === 'function')\r\n            callback = seed_length,\r\n            seed_length = undefined; // Not supported.\r\n        if (typeof rounds === 'function')\r\n            callback = rounds,\r\n            rounds = undefined;\r\n        if (typeof rounds === 'undefined')\r\n            rounds = GENSALT_DEFAULT_LOG2_ROUNDS;\r\n        else if (typeof rounds !== 'number')\r\n            throw Error(\"illegal arguments: \"+(typeof rounds));\r\n\r\n        function _async(callback) {\r\n            nextTick(function() { // Pretty thin, but salting is fast enough\r\n                try {\r\n                    callback(null, bcrypt.genSaltSync(rounds));\r\n                } catch (err) {\r\n                    callback(err);\r\n                }\r\n            });\r\n        }\r\n\r\n        if (callback) {\r\n            if (typeof callback !== 'function')\r\n                throw Error(\"Illegal callback: \"+typeof(callback));\r\n            _async(callback);\r\n        } else\r\n            return new Promise(function(resolve, reject) {\r\n                _async(function(err, res) {\r\n                    if (err) {\r\n                        reject(err);\r\n                        return;\r\n                    }\r\n                    resolve(res);\r\n                });\r\n            });\r\n    };\r\n\r\n    /**\r\n     * Synchronously generates a hash for the given string.\r\n     * @param {string} s String to hash\r\n     * @param {(number|string)=} salt Salt length to generate or salt to use, default to 10\r\n     * @returns {string} Resulting hash\r\n     * @expose\r\n     */\r\n    bcrypt.hashSync = function(s, salt) {\r\n        if (typeof salt === 'undefined')\r\n            salt = GENSALT_DEFAULT_LOG2_ROUNDS;\r\n        if (typeof salt === 'number')\r\n            salt = bcrypt.genSaltSync(salt);\r\n        if (typeof s !== 'string' || typeof salt !== 'string')\r\n            throw Error(\"Illegal arguments: \"+(typeof s)+', '+(typeof salt));\r\n        return _hash(s, salt);\r\n    };\r\n\r\n    /**\r\n     * Asynchronously generates a hash for the given string.\r\n     * @param {string} s String to hash\r\n     * @param {number|string} salt Salt length to generate or salt to use\r\n     * @param {function(Error, string=)=} callback Callback receiving the error, if any, and the resulting hash\r\n     * @param {function(number)=} progressCallback Callback successively called with the percentage of rounds completed\r\n     *  (0.0 - 1.0), maximally once per `MAX_EXECUTION_TIME = 100` ms.\r\n     * @returns {!Promise} If `callback` has been omitted\r\n     * @throws {Error} If `callback` is present but not a function\r\n     * @expose\r\n     */\r\n    bcrypt.hash = function(s, salt, callback, progressCallback) {\r\n\r\n        function _async(callback) {\r\n            if (typeof s === 'string' && typeof salt === 'number')\r\n                bcrypt.genSalt(salt, function(err, salt) {\r\n                    _hash(s, salt, callback, progressCallback);\r\n                });\r\n            else if (typeof s === 'string' && typeof salt === 'string')\r\n                _hash(s, salt, callback, progressCallback);\r\n            else\r\n                nextTick(callback.bind(this, Error(\"Illegal arguments: \"+(typeof s)+', '+(typeof salt))));\r\n        }\r\n\r\n        if (callback) {\r\n            if (typeof callback !== 'function')\r\n                throw Error(\"Illegal callback: \"+typeof(callback));\r\n            _async(callback);\r\n        } else\r\n            return new Promise(function(resolve, reject) {\r\n                _async(function(err, res) {\r\n                    if (err) {\r\n                        reject(err);\r\n                        return;\r\n                    }\r\n                    resolve(res);\r\n                });\r\n            });\r\n    };\r\n\r\n    /**\r\n     * Compares two strings of the same length in constant time.\r\n     * @param {string} known Must be of the correct length\r\n     * @param {string} unknown Must be the same length as `known`\r\n     * @returns {boolean}\r\n     * @inner\r\n     */\r\n    function safeStringCompare(known, unknown) {\r\n        var right = 0,\r\n            wrong = 0;\r\n        for (var i=0, k=known.length; i<k; ++i) {\r\n            if (known.charCodeAt(i) === unknown.charCodeAt(i))\r\n                ++right;\r\n            else\r\n                ++wrong;\r\n        }\r\n        // Prevent removal of unused variables (never true, actually)\r\n        if (right < 0)\r\n            return false;\r\n        return wrong === 0;\r\n    }\r\n\r\n    /**\r\n     * Synchronously tests a string against a hash.\r\n     * @param {string} s String to compare\r\n     * @param {string} hash Hash to test against\r\n     * @returns {boolean} true if matching, otherwise false\r\n     * @throws {Error} If an argument is illegal\r\n     * @expose\r\n     */\r\n    bcrypt.compareSync = function(s, hash) {\r\n        if (typeof s !== \"string\" || typeof hash !== \"string\")\r\n            throw Error(\"Illegal arguments: \"+(typeof s)+', '+(typeof hash));\r\n        if (hash.length !== 60)\r\n            return false;\r\n        return safeStringCompare(bcrypt.hashSync(s, hash.substr(0, hash.length-31)), hash);\r\n    };\r\n\r\n    /**\r\n     * Asynchronously compares the given data against the given hash.\r\n     * @param {string} s Data to compare\r\n     * @param {string} hash Data to be compared to\r\n     * @param {function(Error, boolean)=} callback Callback receiving the error, if any, otherwise the result\r\n     * @param {function(number)=} progressCallback Callback successively called with the percentage of rounds completed\r\n     *  (0.0 - 1.0), maximally once per `MAX_EXECUTION_TIME = 100` ms.\r\n     * @returns {!Promise} If `callback` has been omitted\r\n     * @throws {Error} If `callback` is present but not a function\r\n     * @expose\r\n     */\r\n    bcrypt.compare = function(s, hash, callback, progressCallback) {\r\n\r\n        function _async(callback) {\r\n            if (typeof s !== \"string\" || typeof hash !== \"string\") {\r\n                nextTick(callback.bind(this, Error(\"Illegal arguments: \"+(typeof s)+', '+(typeof hash))));\r\n                return;\r\n            }\r\n            if (hash.length !== 60) {\r\n                nextTick(callback.bind(this, null, false));\r\n                return;\r\n            }\r\n            bcrypt.hash(s, hash.substr(0, 29), function(err, comp) {\r\n                if (err)\r\n                    callback(err);\r\n                else\r\n                    callback(null, safeStringCompare(comp, hash));\r\n            }, progressCallback);\r\n        }\r\n\r\n        if (callback) {\r\n            if (typeof callback !== 'function')\r\n                throw Error(\"Illegal callback: \"+typeof(callback));\r\n            _async(callback);\r\n        } else\r\n            return new Promise(function(resolve, reject) {\r\n                _async(function(err, res) {\r\n                    if (err) {\r\n                        reject(err);\r\n                        return;\r\n                    }\r\n                    resolve(res);\r\n                });\r\n            });\r\n    };\r\n\r\n    /**\r\n     * Gets the number of rounds used to encrypt the specified hash.\r\n     * @param {string} hash Hash to extract the used number of rounds from\r\n     * @returns {number} Number of rounds used\r\n     * @throws {Error} If `hash` is not a string\r\n     * @expose\r\n     */\r\n    bcrypt.getRounds = function(hash) {\r\n        if (typeof hash !== \"string\")\r\n            throw Error(\"Illegal arguments: \"+(typeof hash));\r\n        return parseInt(hash.split(\"$\")[2], 10);\r\n    };\r\n\r\n    /**\r\n     * Gets the salt portion from a hash. Does not validate the hash.\r\n     * @param {string} hash Hash to extract the salt from\r\n     * @returns {string} Extracted salt part\r\n     * @throws {Error} If `hash` is not a string or otherwise invalid\r\n     * @expose\r\n     */\r\n    bcrypt.getSalt = function(hash) {\r\n        if (typeof hash !== 'string')\r\n            throw Error(\"Illegal arguments: \"+(typeof hash));\r\n        if (hash.length !== 60)\r\n            throw Error(\"Illegal hash length: \"+hash.length+\" != 60\");\r\n        return hash.substring(0, 29);\r\n    };\r\n\r\n    /**\r\n     * Continues with the callback on the next tick.\r\n     * @function\r\n     * @param {function(...[*])} callback Callback to execute\r\n     * @inner\r\n     */\r\n    var nextTick = typeof process !== 'undefined' && process && typeof process.nextTick === 'function'\r\n        ? (typeof setImmediate === 'function' ? setImmediate : process.nextTick)\r\n        : setTimeout;\r\n\r\n    /**\r\n     * Converts a JavaScript string to UTF8 bytes.\r\n     * @param {string} str String\r\n     * @returns {!Array.<number>} UTF8 bytes\r\n     * @inner\r\n     */\r\n    function stringToBytes(str) {\r\n        var out = [],\r\n            i = 0;\r\n        utfx.encodeUTF16toUTF8(function() {\r\n            if (i >= str.length) return null;\r\n            return str.charCodeAt(i++);\r\n        }, function(b) {\r\n            out.push(b);\r\n        });\r\n        return out;\r\n    }\r\n\r\n    // A base64 implementation for the bcrypt algorithm. This is partly non-standard.\r\n\r\n    /**\r\n     * bcrypt's own non-standard base64 dictionary.\r\n     * @type {!Array.<string>}\r\n     * @const\r\n     * @inner\r\n     **/\r\n    var BASE64_CODE = \"./ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789\".split('');\r\n\r\n    /**\r\n     * @type {!Array.<number>}\r\n     * @const\r\n     * @inner\r\n     **/\r\n    var BASE64_INDEX = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n        -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,\r\n        -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 0,\r\n        1, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, -1, -1, -1, -1, -1, -1,\r\n        -1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,\r\n        20, 21, 22, 23, 24, 25, 26, 27, -1, -1, -1, -1, -1, -1, 28, 29, 30,\r\n        31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,\r\n        48, 49, 50, 51, 52, 53, -1, -1, -1, -1, -1];\r\n\r\n    /**\r\n     * @type {!function(...number):string}\r\n     * @inner\r\n     */\r\n    var stringFromCharCode = String.fromCharCode;\r\n\r\n    /**\r\n     * Encodes a byte array to base64 with up to len bytes of input.\r\n     * @param {!Array.<number>} b Byte array\r\n     * @param {number} len Maximum input length\r\n     * @returns {string}\r\n     * @inner\r\n     */\r\n    function base64_encode(b, len) {\r\n        var off = 0,\r\n            rs = [],\r\n            c1, c2;\r\n        if (len <= 0 || len > b.length)\r\n            throw Error(\"Illegal len: \"+len);\r\n        while (off < len) {\r\n            c1 = b[off++] & 0xff;\r\n            rs.push(BASE64_CODE[(c1 >> 2) & 0x3f]);\r\n            c1 = (c1 & 0x03) << 4;\r\n            if (off >= len) {\r\n                rs.push(BASE64_CODE[c1 & 0x3f]);\r\n                break;\r\n            }\r\n            c2 = b[off++] & 0xff;\r\n            c1 |= (c2 >> 4) & 0x0f;\r\n            rs.push(BASE64_CODE[c1 & 0x3f]);\r\n            c1 = (c2 & 0x0f) << 2;\r\n            if (off >= len) {\r\n                rs.push(BASE64_CODE[c1 & 0x3f]);\r\n                break;\r\n            }\r\n            c2 = b[off++] & 0xff;\r\n            c1 |= (c2 >> 6) & 0x03;\r\n            rs.push(BASE64_CODE[c1 & 0x3f]);\r\n            rs.push(BASE64_CODE[c2 & 0x3f]);\r\n        }\r\n        return rs.join('');\r\n    }\r\n\r\n    /**\r\n     * Decodes a base64 encoded string to up to len bytes of output.\r\n     * @param {string} s String to decode\r\n     * @param {number} len Maximum output length\r\n     * @returns {!Array.<number>}\r\n     * @inner\r\n     */\r\n    function base64_decode(s, len) {\r\n        var off = 0,\r\n            slen = s.length,\r\n            olen = 0,\r\n            rs = [],\r\n            c1, c2, c3, c4, o, code;\r\n        if (len <= 0)\r\n            throw Error(\"Illegal len: \"+len);\r\n        while (off < slen - 1 && olen < len) {\r\n            code = s.charCodeAt(off++);\r\n            c1 = code < BASE64_INDEX.length ? BASE64_INDEX[code] : -1;\r\n            code = s.charCodeAt(off++);\r\n            c2 = code < BASE64_INDEX.length ? BASE64_INDEX[code] : -1;\r\n            if (c1 == -1 || c2 == -1)\r\n                break;\r\n            o = (c1 << 2) >>> 0;\r\n            o |= (c2 & 0x30) >> 4;\r\n            rs.push(stringFromCharCode(o));\r\n            if (++olen >= len || off >= slen)\r\n                break;\r\n            code = s.charCodeAt(off++);\r\n            c3 = code < BASE64_INDEX.length ? BASE64_INDEX[code] : -1;\r\n            if (c3 == -1)\r\n                break;\r\n            o = ((c2 & 0x0f) << 4) >>> 0;\r\n            o |= (c3 & 0x3c) >> 2;\r\n            rs.push(stringFromCharCode(o));\r\n            if (++olen >= len || off >= slen)\r\n                break;\r\n            code = s.charCodeAt(off++);\r\n            c4 = code < BASE64_INDEX.length ? BASE64_INDEX[code] : -1;\r\n            o = ((c3 & 0x03) << 6) >>> 0;\r\n            o |= c4;\r\n            rs.push(stringFromCharCode(o));\r\n            ++olen;\r\n        }\r\n        var res = [];\r\n        for (off = 0; off<olen; off++)\r\n            res.push(rs[off].charCodeAt(0));\r\n        return res;\r\n    }\r\n\r\n    /**\r\n     * utfx-embeddable (c) 2014 Daniel Wirtz <dcode@dcode.io>\r\n     * Released under the Apache License, Version 2.0\r\n     * see: https://github.com/dcodeIO/utfx for details\r\n     */\r\n    var utfx = function() {\r\n        \"use strict\";\r\n\r\n        /**\r\n         * utfx namespace.\r\n         * @inner\r\n         * @type {!Object.<string,*>}\r\n         */\r\n        var utfx = {};\r\n\r\n        /**\r\n         * Maximum valid code point.\r\n         * @type {number}\r\n         * @const\r\n         */\r\n        utfx.MAX_CODEPOINT = 0x10FFFF;\r\n\r\n        /**\r\n         * Encodes UTF8 code points to UTF8 bytes.\r\n         * @param {(!function():number|null) | number} src Code points source, either as a function returning the next code point\r\n         *  respectively `null` if there are no more code points left or a single numeric code point.\r\n         * @param {!function(number)} dst Bytes destination as a function successively called with the next byte\r\n         */\r\n        utfx.encodeUTF8 = function(src, dst) {\r\n            var cp = null;\r\n            if (typeof src === 'number')\r\n                cp = src,\r\n                src = function() { return null; };\r\n            while (cp !== null || (cp = src()) !== null) {\r\n                if (cp < 0x80)\r\n                    dst(cp&0x7F);\r\n                else if (cp < 0x800)\r\n                    dst(((cp>>6)&0x1F)|0xC0),\r\n                    dst((cp&0x3F)|0x80);\r\n                else if (cp < 0x10000)\r\n                    dst(((cp>>12)&0x0F)|0xE0),\r\n                    dst(((cp>>6)&0x3F)|0x80),\r\n                    dst((cp&0x3F)|0x80);\r\n                else\r\n                    dst(((cp>>18)&0x07)|0xF0),\r\n                    dst(((cp>>12)&0x3F)|0x80),\r\n                    dst(((cp>>6)&0x3F)|0x80),\r\n                    dst((cp&0x3F)|0x80);\r\n                cp = null;\r\n            }\r\n        };\r\n\r\n        /**\r\n         * Decodes UTF8 bytes to UTF8 code points.\r\n         * @param {!function():number|null} src Bytes source as a function returning the next byte respectively `null` if there\r\n         *  are no more bytes left.\r\n         * @param {!function(number)} dst Code points destination as a function successively called with each decoded code point.\r\n         * @throws {RangeError} If a starting byte is invalid in UTF8\r\n         * @throws {Error} If the last sequence is truncated. Has an array property `bytes` holding the\r\n         *  remaining bytes.\r\n         */\r\n        utfx.decodeUTF8 = function(src, dst) {\r\n            var a, b, c, d, fail = function(b) {\r\n                b = b.slice(0, b.indexOf(null));\r\n                var err = Error(b.toString());\r\n                err.name = \"TruncatedError\";\r\n                err['bytes'] = b;\r\n                throw err;\r\n            };\r\n            while ((a = src()) !== null) {\r\n                if ((a&0x80) === 0)\r\n                    dst(a);\r\n                else if ((a&0xE0) === 0xC0)\r\n                    ((b = src()) === null) && fail([a, b]),\r\n                    dst(((a&0x1F)<<6) | (b&0x3F));\r\n                else if ((a&0xF0) === 0xE0)\r\n                    ((b=src()) === null || (c=src()) === null) && fail([a, b, c]),\r\n                    dst(((a&0x0F)<<12) | ((b&0x3F)<<6) | (c&0x3F));\r\n                else if ((a&0xF8) === 0xF0)\r\n                    ((b=src()) === null || (c=src()) === null || (d=src()) === null) && fail([a, b, c ,d]),\r\n                    dst(((a&0x07)<<18) | ((b&0x3F)<<12) | ((c&0x3F)<<6) | (d&0x3F));\r\n                else throw RangeError(\"Illegal starting byte: \"+a);\r\n            }\r\n        };\r\n\r\n        /**\r\n         * Converts UTF16 characters to UTF8 code points.\r\n         * @param {!function():number|null} src Characters source as a function returning the next char code respectively\r\n         *  `null` if there are no more characters left.\r\n         * @param {!function(number)} dst Code points destination as a function successively called with each converted code\r\n         *  point.\r\n         */\r\n        utfx.UTF16toUTF8 = function(src, dst) {\r\n            var c1, c2 = null;\r\n            while (true) {\r\n                if ((c1 = c2 !== null ? c2 : src()) === null)\r\n                    break;\r\n                if (c1 >= 0xD800 && c1 <= 0xDFFF) {\r\n                    if ((c2 = src()) !== null) {\r\n                        if (c2 >= 0xDC00 && c2 <= 0xDFFF) {\r\n                            dst((c1-0xD800)*0x400+c2-0xDC00+0x10000);\r\n                            c2 = null; continue;\r\n                        }\r\n                    }\r\n                }\r\n                dst(c1);\r\n            }\r\n            if (c2 !== null) dst(c2);\r\n        };\r\n\r\n        /**\r\n         * Converts UTF8 code points to UTF16 characters.\r\n         * @param {(!function():number|null) | number} src Code points source, either as a function returning the next code point\r\n         *  respectively `null` if there are no more code points left or a single numeric code point.\r\n         * @param {!function(number)} dst Characters destination as a function successively called with each converted char code.\r\n         * @throws {RangeError} If a code point is out of range\r\n         */\r\n        utfx.UTF8toUTF16 = function(src, dst) {\r\n            var cp = null;\r\n            if (typeof src === 'number')\r\n                cp = src, src = function() { return null; };\r\n            while (cp !== null || (cp = src()) !== null) {\r\n                if (cp <= 0xFFFF)\r\n                    dst(cp);\r\n                else\r\n                    cp -= 0x10000,\r\n                    dst((cp>>10)+0xD800),\r\n                    dst((cp%0x400)+0xDC00);\r\n                cp = null;\r\n            }\r\n        };\r\n\r\n        /**\r\n         * Converts and encodes UTF16 characters to UTF8 bytes.\r\n         * @param {!function():number|null} src Characters source as a function returning the next char code respectively `null`\r\n         *  if there are no more characters left.\r\n         * @param {!function(number)} dst Bytes destination as a function successively called with the next byte.\r\n         */\r\n        utfx.encodeUTF16toUTF8 = function(src, dst) {\r\n            utfx.UTF16toUTF8(src, function(cp) {\r\n                utfx.encodeUTF8(cp, dst);\r\n            });\r\n        };\r\n\r\n        /**\r\n         * Decodes and converts UTF8 bytes to UTF16 characters.\r\n         * @param {!function():number|null} src Bytes source as a function returning the next byte respectively `null` if there\r\n         *  are no more bytes left.\r\n         * @param {!function(number)} dst Characters destination as a function successively called with each converted char code.\r\n         * @throws {RangeError} If a starting byte is invalid in UTF8\r\n         * @throws {Error} If the last sequence is truncated. Has an array property `bytes` holding the remaining bytes.\r\n         */\r\n        utfx.decodeUTF8toUTF16 = function(src, dst) {\r\n            utfx.decodeUTF8(src, function(cp) {\r\n                utfx.UTF8toUTF16(cp, dst);\r\n            });\r\n        };\r\n\r\n        /**\r\n         * Calculates the byte length of an UTF8 code point.\r\n         * @param {number} cp UTF8 code point\r\n         * @returns {number} Byte length\r\n         */\r\n        utfx.calculateCodePoint = function(cp) {\r\n            return (cp < 0x80) ? 1 : (cp < 0x800) ? 2 : (cp < 0x10000) ? 3 : 4;\r\n        };\r\n\r\n        /**\r\n         * Calculates the number of UTF8 bytes required to store UTF8 code points.\r\n         * @param {(!function():number|null)} src Code points source as a function returning the next code point respectively\r\n         *  `null` if there are no more code points left.\r\n         * @returns {number} The number of UTF8 bytes required\r\n         */\r\n        utfx.calculateUTF8 = function(src) {\r\n            var cp, l=0;\r\n            while ((cp = src()) !== null)\r\n                l += utfx.calculateCodePoint(cp);\r\n            return l;\r\n        };\r\n\r\n        /**\r\n         * Calculates the number of UTF8 code points respectively UTF8 bytes required to store UTF16 char codes.\r\n         * @param {(!function():number|null)} src Characters source as a function returning the next char code respectively\r\n         *  `null` if there are no more characters left.\r\n         * @returns {!Array.<number>} The number of UTF8 code points at index 0 and the number of UTF8 bytes required at index 1.\r\n         */\r\n        utfx.calculateUTF16asUTF8 = function(src) {\r\n            var n=0, l=0;\r\n            utfx.UTF16toUTF8(src, function(cp) {\r\n                ++n; l += utfx.calculateCodePoint(cp);\r\n            });\r\n            return [n,l];\r\n        };\r\n\r\n        return utfx;\r\n    }();\r\n\r\n    Date.now = Date.now || function() { return +new Date; };\r\n\r\n    /**\r\n     * @type {number}\r\n     * @const\r\n     * @inner\r\n     */\r\n    var BCRYPT_SALT_LEN = 16;\r\n\r\n    /**\r\n     * @type {number}\r\n     * @const\r\n     * @inner\r\n     */\r\n    var GENSALT_DEFAULT_LOG2_ROUNDS = 10;\r\n\r\n    /**\r\n     * @type {number}\r\n     * @const\r\n     * @inner\r\n     */\r\n    var BLOWFISH_NUM_ROUNDS = 16;\r\n\r\n    /**\r\n     * @type {number}\r\n     * @const\r\n     * @inner\r\n     */\r\n    var MAX_EXECUTION_TIME = 100;\r\n\r\n    /**\r\n     * @type {Array.<number>}\r\n     * @const\r\n     * @inner\r\n     */\r\n    var P_ORIG = [\r\n        0x243f6a88, 0x85a308d3, 0x13198a2e, 0x03707344, 0xa4093822,\r\n        0x299f31d0, 0x082efa98, 0xec4e6c89, 0x452821e6, 0x38d01377,\r\n        0xbe5466cf, 0x34e90c6c, 0xc0ac29b7, 0xc97c50dd, 0x3f84d5b5,\r\n        0xb5470917, 0x9216d5d9, 0x8979fb1b\r\n    ];\r\n\r\n    /**\r\n     * @type {Array.<number>}\r\n     * @const\r\n     * @inner\r\n     */\r\n    var S_ORIG = [\r\n        0xd1310ba6, 0x98dfb5ac, 0x2ffd72db, 0xd01adfb7, 0xb8e1afed,\r\n        0x6a267e96, 0xba7c9045, 0xf12c7f99, 0x24a19947, 0xb3916cf7,\r\n        0x0801f2e2, 0x858efc16, 0x636920d8, 0x71574e69, 0xa458fea3,\r\n        0xf4933d7e, 0x0d95748f, 0x728eb658, 0x718bcd58, 0x82154aee,\r\n        0x7b54a41d, 0xc25a59b5, 0x9c30d539, 0x2af26013, 0xc5d1b023,\r\n        0x286085f0, 0xca417918, 0xb8db38ef, 0x8e79dcb0, 0x603a180e,\r\n        0x6c9e0e8b, 0xb01e8a3e, 0xd71577c1, 0xbd314b27, 0x78af2fda,\r\n        0x55605c60, 0xe65525f3, 0xaa55ab94, 0x57489862, 0x63e81440,\r\n        0x55ca396a, 0x2aab10b6, 0xb4cc5c34, 0x1141e8ce, 0xa15486af,\r\n        0x7c72e993, 0xb3ee1411, 0x636fbc2a, 0x2ba9c55d, 0x741831f6,\r\n        0xce5c3e16, 0x9b87931e, 0xafd6ba33, 0x6c24cf5c, 0x7a325381,\r\n        0x28958677, 0x3b8f4898, 0x6b4bb9af, 0xc4bfe81b, 0x66282193,\r\n        0x61d809cc, 0xfb21a991, 0x487cac60, 0x5dec8032, 0xef845d5d,\r\n        0xe98575b1, 0xdc262302, 0xeb651b88, 0x23893e81, 0xd396acc5,\r\n        0x0f6d6ff3, 0x83f44239, 0x2e0b4482, 0xa4842004, 0x69c8f04a,\r\n        0x9e1f9b5e, 0x21c66842, 0xf6e96c9a, 0x670c9c61, 0xabd388f0,\r\n        0x6a51a0d2, 0xd8542f68, 0x960fa728, 0xab5133a3, 0x6eef0b6c,\r\n        0x137a3be4, 0xba3bf050, 0x7efb2a98, 0xa1f1651d, 0x39af0176,\r\n        0x66ca593e, 0x82430e88, 0x8cee8619, 0x456f9fb4, 0x7d84a5c3,\r\n        0x3b8b5ebe, 0xe06f75d8, 0x85c12073, 0x401a449f, 0x56c16aa6,\r\n        0x4ed3aa62, 0x363f7706, 0x1bfedf72, 0x429b023d, 0x37d0d724,\r\n        0xd00a1248, 0xdb0fead3, 0x49f1c09b, 0x075372c9, 0x80991b7b,\r\n        0x25d479d8, 0xf6e8def7, 0xe3fe501a, 0xb6794c3b, 0x976ce0bd,\r\n        0x04c006ba, 0xc1a94fb6, 0x409f60c4, 0x5e5c9ec2, 0x196a2463,\r\n        0x68fb6faf, 0x3e6c53b5, 0x1339b2eb, 0x3b52ec6f, 0x6dfc511f,\r\n        0x9b30952c, 0xcc814544, 0xaf5ebd09, 0xbee3d004, 0xde334afd,\r\n        0x660f2807, 0x192e4bb3, 0xc0cba857, 0x45c8740f, 0xd20b5f39,\r\n        0xb9d3fbdb, 0x5579c0bd, 0x1a60320a, 0xd6a100c6, 0x402c7279,\r\n        0x679f25fe, 0xfb1fa3cc, 0x8ea5e9f8, 0xdb3222f8, 0x3c7516df,\r\n        0xfd616b15, 0x2f501ec8, 0xad0552ab, 0x323db5fa, 0xfd238760,\r\n        0x53317b48, 0x3e00df82, 0x9e5c57bb, 0xca6f8ca0, 0x1a87562e,\r\n        0xdf1769db, 0xd542a8f6, 0x287effc3, 0xac6732c6, 0x8c4f5573,\r\n        0x695b27b0, 0xbbca58c8, 0xe1ffa35d, 0xb8f011a0, 0x10fa3d98,\r\n        0xfd2183b8, 0x4afcb56c, 0x2dd1d35b, 0x9a53e479, 0xb6f84565,\r\n        0xd28e49bc, 0x4bfb9790, 0xe1ddf2da, 0xa4cb7e33, 0x62fb1341,\r\n        0xcee4c6e8, 0xef20cada, 0x36774c01, 0xd07e9efe, 0x2bf11fb4,\r\n        0x95dbda4d, 0xae909198, 0xeaad8e71, 0x6b93d5a0, 0xd08ed1d0,\r\n        0xafc725e0, 0x8e3c5b2f, 0x8e7594b7, 0x8ff6e2fb, 0xf2122b64,\r\n        0x8888b812, 0x900df01c, 0x4fad5ea0, 0x688fc31c, 0xd1cff191,\r\n        0xb3a8c1ad, 0x2f2f2218, 0xbe0e1777, 0xea752dfe, 0x8b021fa1,\r\n        0xe5a0cc0f, 0xb56f74e8, 0x18acf3d6, 0xce89e299, 0xb4a84fe0,\r\n        0xfd13e0b7, 0x7cc43b81, 0xd2ada8d9, 0x165fa266, 0x80957705,\r\n        0x93cc7314, 0x211a1477, 0xe6ad2065, 0x77b5fa86, 0xc75442f5,\r\n        0xfb9d35cf, 0xebcdaf0c, 0x7b3e89a0, 0xd6411bd3, 0xae1e7e49,\r\n        0x00250e2d, 0x2071b35e, 0x226800bb, 0x57b8e0af, 0x2464369b,\r\n        0xf009b91e, 0x5563911d, 0x59dfa6aa, 0x78c14389, 0xd95a537f,\r\n        0x207d5ba2, 0x02e5b9c5, 0x83260376, 0x6295cfa9, 0x11c81968,\r\n        0x4e734a41, 0xb3472dca, 0x7b14a94a, 0x1b510052, 0x9a532915,\r\n        0xd60f573f, 0xbc9bc6e4, 0x2b60a476, 0x81e67400, 0x08ba6fb5,\r\n        0x571be91f, 0xf296ec6b, 0x2a0dd915, 0xb6636521, 0xe7b9f9b6,\r\n        0xff34052e, 0xc5855664, 0x53b02d5d, 0xa99f8fa1, 0x08ba4799,\r\n        0x6e85076a, 0x4b7a70e9, 0xb5b32944, 0xdb75092e, 0xc4192623,\r\n        0xad6ea6b0, 0x49a7df7d, 0x9cee60b8, 0x8fedb266, 0xecaa8c71,\r\n        0x699a17ff, 0x5664526c, 0xc2b19ee1, 0x193602a5, 0x75094c29,\r\n        0xa0591340, 0xe4183a3e, 0x3f54989a, 0x5b429d65, 0x6b8fe4d6,\r\n        0x99f73fd6, 0xa1d29c07, 0xefe830f5, 0x4d2d38e6, 0xf0255dc1,\r\n        0x4cdd2086, 0x8470eb26, 0x6382e9c6, 0x021ecc5e, 0x09686b3f,\r\n        0x3ebaefc9, 0x3c971814, 0x6b6a70a1, 0x687f3584, 0x52a0e286,\r\n        0xb79c5305, 0xaa500737, 0x3e07841c, 0x7fdeae5c, 0x8e7d44ec,\r\n        0x5716f2b8, 0xb03ada37, 0xf0500c0d, 0xf01c1f04, 0x0200b3ff,\r\n        0xae0cf51a, 0x3cb574b2, 0x25837a58, 0xdc0921bd, 0xd19113f9,\r\n        0x7ca92ff6, 0x94324773, 0x22f54701, 0x3ae5e581, 0x37c2dadc,\r\n        0xc8b57634, 0x9af3dda7, 0xa9446146, 0x0fd0030e, 0xecc8c73e,\r\n        0xa4751e41, 0xe238cd99, 0x3bea0e2f, 0x3280bba1, 0x183eb331,\r\n        0x4e548b38, 0x4f6db908, 0x6f420d03, 0xf60a04bf, 0x2cb81290,\r\n        0x24977c79, 0x5679b072, 0xbcaf89af, 0xde9a771f, 0xd9930810,\r\n        0xb38bae12, 0xdccf3f2e, 0x5512721f, 0x2e6b7124, 0x501adde6,\r\n        0x9f84cd87, 0x7a584718, 0x7408da17, 0xbc9f9abc, 0xe94b7d8c,\r\n        0xec7aec3a, 0xdb851dfa, 0x63094366, 0xc464c3d2, 0xef1c1847,\r\n        0x3215d908, 0xdd433b37, 0x24c2ba16, 0x12a14d43, 0x2a65c451,\r\n        0x50940002, 0x133ae4dd, 0x71dff89e, 0x10314e55, 0x81ac77d6,\r\n        0x5f11199b, 0x043556f1, 0xd7a3c76b, 0x3c11183b, 0x5924a509,\r\n        0xf28fe6ed, 0x97f1fbfa, 0x9ebabf2c, 0x1e153c6e, 0x86e34570,\r\n        0xeae96fb1, 0x860e5e0a, 0x5a3e2ab3, 0x771fe71c, 0x4e3d06fa,\r\n        0x2965dcb9, 0x99e71d0f, 0x803e89d6, 0x5266c825, 0x2e4cc978,\r\n        0x9c10b36a, 0xc6150eba, 0x94e2ea78, 0xa5fc3c53, 0x1e0a2df4,\r\n        0xf2f74ea7, 0x361d2b3d, 0x1939260f, 0x19c27960, 0x5223a708,\r\n        0xf71312b6, 0xebadfe6e, 0xeac31f66, 0xe3bc4595, 0xa67bc883,\r\n        0xb17f37d1, 0x018cff28, 0xc332ddef, 0xbe6c5aa5, 0x65582185,\r\n        0x68ab9802, 0xeecea50f, 0xdb2f953b, 0x2aef7dad, 0x5b6e2f84,\r\n        0x1521b628, 0x29076170, 0xecdd4775, 0x619f1510, 0x13cca830,\r\n        0xeb61bd96, 0x0334fe1e, 0xaa0363cf, 0xb5735c90, 0x4c70a239,\r\n        0xd59e9e0b, 0xcbaade14, 0xeecc86bc, 0x60622ca7, 0x9cab5cab,\r\n        0xb2f3846e, 0x648b1eaf, 0x19bdf0ca, 0xa02369b9, 0x655abb50,\r\n        0x40685a32, 0x3c2ab4b3, 0x319ee9d5, 0xc021b8f7, 0x9b540b19,\r\n        0x875fa099, 0x95f7997e, 0x623d7da8, 0xf837889a, 0x97e32d77,\r\n        0x11ed935f, 0x16681281, 0x0e358829, 0xc7e61fd6, 0x96dedfa1,\r\n        0x7858ba99, 0x57f584a5, 0x1b227263, 0x9b83c3ff, 0x1ac24696,\r\n        0xcdb30aeb, 0x532e3054, 0x8fd948e4, 0x6dbc3128, 0x58ebf2ef,\r\n        0x34c6ffea, 0xfe28ed61, 0xee7c3c73, 0x5d4a14d9, 0xe864b7e3,\r\n        0x42105d14, 0x203e13e0, 0x45eee2b6, 0xa3aaabea, 0xdb6c4f15,\r\n        0xfacb4fd0, 0xc742f442, 0xef6abbb5, 0x654f3b1d, 0x41cd2105,\r\n        0xd81e799e, 0x86854dc7, 0xe44b476a, 0x3d816250, 0xcf62a1f2,\r\n        0x5b8d2646, 0xfc8883a0, 0xc1c7b6a3, 0x7f1524c3, 0x69cb7492,\r\n        0x47848a0b, 0x5692b285, 0x095bbf00, 0xad19489d, 0x1462b174,\r\n        0x23820e00, 0x58428d2a, 0x0c55f5ea, 0x1dadf43e, 0x233f7061,\r\n        0x3372f092, 0x8d937e41, 0xd65fecf1, 0x6c223bdb, 0x7cde3759,\r\n        0xcbee7460, 0x4085f2a7, 0xce77326e, 0xa6078084, 0x19f8509e,\r\n        0xe8efd855, 0x61d99735, 0xa969a7aa, 0xc50c06c2, 0x5a04abfc,\r\n        0x800bcadc, 0x9e447a2e, 0xc3453484, 0xfdd56705, 0x0e1e9ec9,\r\n        0xdb73dbd3, 0x105588cd, 0x675fda79, 0xe3674340, 0xc5c43465,\r\n        0x713e38d8, 0x3d28f89e, 0xf16dff20, 0x153e21e7, 0x8fb03d4a,\r\n        0xe6e39f2b, 0xdb83adf7, 0xe93d5a68, 0x948140f7, 0xf64c261c,\r\n        0x94692934, 0x411520f7, 0x7602d4f7, 0xbcf46b2e, 0xd4a20068,\r\n        0xd4082471, 0x3320f46a, 0x43b7d4b7, 0x500061af, 0x1e39f62e,\r\n        0x97244546, 0x14214f74, 0xbf8b8840, 0x4d95fc1d, 0x96b591af,\r\n        0x70f4ddd3, 0x66a02f45, 0xbfbc09ec, 0x03bd9785, 0x7fac6dd0,\r\n        0x31cb8504, 0x96eb27b3, 0x55fd3941, 0xda2547e6, 0xabca0a9a,\r\n        0x28507825, 0x530429f4, 0x0a2c86da, 0xe9b66dfb, 0x68dc1462,\r\n        0xd7486900, 0x680ec0a4, 0x27a18dee, 0x4f3ffea2, 0xe887ad8c,\r\n        0xb58ce006, 0x7af4d6b6, 0xaace1e7c, 0xd3375fec, 0xce78a399,\r\n        0x406b2a42, 0x20fe9e35, 0xd9f385b9, 0xee39d7ab, 0x3b124e8b,\r\n        0x1dc9faf7, 0x4b6d1856, 0x26a36631, 0xeae397b2, 0x3a6efa74,\r\n        0xdd5b4332, 0x6841e7f7, 0xca7820fb, 0xfb0af54e, 0xd8feb397,\r\n        0x454056ac, 0xba489527, 0x55533a3a, 0x20838d87, 0xfe6ba9b7,\r\n        0xd096954b, 0x55a867bc, 0xa1159a58, 0xcca92963, 0x99e1db33,\r\n        0xa62a4a56, 0x3f3125f9, 0x5ef47e1c, 0x9029317c, 0xfdf8e802,\r\n        0x04272f70, 0x80bb155c, 0x05282ce3, 0x95c11548, 0xe4c66d22,\r\n        0x48c1133f, 0xc70f86dc, 0x07f9c9ee, 0x41041f0f, 0x404779a4,\r\n        0x5d886e17, 0x325f51eb, 0xd59bc0d1, 0xf2bcc18f, 0x41113564,\r\n        0x257b7834, 0x602a9c60, 0xdff8e8a3, 0x1f636c1b, 0x0e12b4c2,\r\n        0x02e1329e, 0xaf664fd1, 0xcad18115, 0x6b2395e0, 0x333e92e1,\r\n        0x3b240b62, 0xeebeb922, 0x85b2a20e, 0xe6ba0d99, 0xde720c8c,\r\n        0x2da2f728, 0xd0127845, 0x95b794fd, 0x647d0862, 0xe7ccf5f0,\r\n        0x5449a36f, 0x877d48fa, 0xc39dfd27, 0xf33e8d1e, 0x0a476341,\r\n        0x992eff74, 0x3a6f6eab, 0xf4f8fd37, 0xa812dc60, 0xa1ebddf8,\r\n        0x991be14c, 0xdb6e6b0d, 0xc67b5510, 0x6d672c37, 0x2765d43b,\r\n        0xdcd0e804, 0xf1290dc7, 0xcc00ffa3, 0xb5390f92, 0x690fed0b,\r\n        0x667b9ffb, 0xcedb7d9c, 0xa091cf0b, 0xd9155ea3, 0xbb132f88,\r\n        0x515bad24, 0x7b9479bf, 0x763bd6eb, 0x37392eb3, 0xcc115979,\r\n        0x8026e297, 0xf42e312d, 0x6842ada7, 0xc66a2b3b, 0x12754ccc,\r\n        0x782ef11c, 0x6a124237, 0xb79251e7, 0x06a1bbe6, 0x4bfb6350,\r\n        0x1a6b1018, 0x11caedfa, 0x3d25bdd8, 0xe2e1c3c9, 0x44421659,\r\n        0x0a121386, 0xd90cec6e, 0xd5abea2a, 0x64af674e, 0xda86a85f,\r\n        0xbebfe988, 0x64e4c3fe, 0x9dbc8057, 0xf0f7c086, 0x60787bf8,\r\n        0x6003604d, 0xd1fd8346, 0xf6381fb0, 0x7745ae04, 0xd736fccc,\r\n        0x83426b33, 0xf01eab71, 0xb0804187, 0x3c005e5f, 0x77a057be,\r\n        0xbde8ae24, 0x55464299, 0xbf582e61, 0x4e58f48f, 0xf2ddfda2,\r\n        0xf474ef38, 0x8789bdc2, 0x5366f9c3, 0xc8b38e74, 0xb475f255,\r\n        0x46fcd9b9, 0x7aeb2661, 0x8b1ddf84, 0x846a0e79, 0x915f95e2,\r\n        0x466e598e, 0x20b45770, 0x8cd55591, 0xc902de4c, 0xb90bace1,\r\n        0xbb8205d0, 0x11a86248, 0x7574a99e, 0xb77f19b6, 0xe0a9dc09,\r\n        0x662d09a1, 0xc4324633, 0xe85a1f02, 0x09f0be8c, 0x4a99a025,\r\n        0x1d6efe10, 0x1ab93d1d, 0x0ba5a4df, 0xa186f20f, 0x2868f169,\r\n        0xdcb7da83, 0x573906fe, 0xa1e2ce9b, 0x4fcd7f52, 0x50115e01,\r\n        0xa70683fa, 0xa002b5c4, 0x0de6d027, 0x9af88c27, 0x773f8641,\r\n        0xc3604c06, 0x61a806b5, 0xf0177a28, 0xc0f586e0, 0x006058aa,\r\n        0x30dc7d62, 0x11e69ed7, 0x2338ea63, 0x53c2dd94, 0xc2c21634,\r\n        0xbbcbee56, 0x90bcb6de, 0xebfc7da1, 0xce591d76, 0x6f05e409,\r\n        0x4b7c0188, 0x39720a3d, 0x7c927c24, 0x86e3725f, 0x724d9db9,\r\n        0x1ac15bb4, 0xd39eb8fc, 0xed545578, 0x08fca5b5, 0xd83d7cd3,\r\n        0x4dad0fc4, 0x1e50ef5e, 0xb161e6f8, 0xa28514d9, 0x6c51133c,\r\n        0x6fd5c7e7, 0x56e14ec4, 0x362abfce, 0xddc6c837, 0xd79a3234,\r\n        0x92638212, 0x670efa8e, 0x406000e0, 0x3a39ce37, 0xd3faf5cf,\r\n        0xabc27737, 0x5ac52d1b, 0x5cb0679e, 0x4fa33742, 0xd3822740,\r\n        0x99bc9bbe, 0xd5118e9d, 0xbf0f7315, 0xd62d1c7e, 0xc700c47b,\r\n        0xb78c1b6b, 0x21a19045, 0xb26eb1be, 0x6a366eb4, 0x5748ab2f,\r\n        0xbc946e79, 0xc6a376d2, 0x6549c2c8, 0x530ff8ee, 0x468dde7d,\r\n        0xd5730a1d, 0x4cd04dc6, 0x2939bbdb, 0xa9ba4650, 0xac9526e8,\r\n        0xbe5ee304, 0xa1fad5f0, 0x6a2d519a, 0x63ef8ce2, 0x9a86ee22,\r\n        0xc089c2b8, 0x43242ef6, 0xa51e03aa, 0x9cf2d0a4, 0x83c061ba,\r\n        0x9be96a4d, 0x8fe51550, 0xba645bd6, 0x2826a2f9, 0xa73a3ae1,\r\n        0x4ba99586, 0xef5562e9, 0xc72fefd3, 0xf752f7da, 0x3f046f69,\r\n        0x77fa0a59, 0x80e4a915, 0x87b08601, 0x9b09e6ad, 0x3b3ee593,\r\n        0xe990fd5a, 0x9e34d797, 0x2cf0b7d9, 0x022b8b51, 0x96d5ac3a,\r\n        0x017da67d, 0xd1cf3ed6, 0x7c7d2d28, 0x1f9f25cf, 0xadf2b89b,\r\n        0x5ad6b472, 0x5a88f54c, 0xe029ac71, 0xe019a5e6, 0x47b0acfd,\r\n        0xed93fa9b, 0xe8d3c48d, 0x283b57cc, 0xf8d56629, 0x79132e28,\r\n        0x785f0191, 0xed756055, 0xf7960e44, 0xe3d35e8c, 0x15056dd4,\r\n        0x88f46dba, 0x03a16125, 0x0564f0bd, 0xc3eb9e15, 0x3c9057a2,\r\n        0x97271aec, 0xa93a072a, 0x1b3f6d9b, 0x1e6321f5, 0xf59c66fb,\r\n        0x26dcf319, 0x7533d928, 0xb155fdf5, 0x03563482, 0x8aba3cbb,\r\n        0x28517711, 0xc20ad9f8, 0xabcc5167, 0xccad925f, 0x4de81751,\r\n        0x3830dc8e, 0x379d5862, 0x9320f991, 0xea7a90c2, 0xfb3e7bce,\r\n        0x5121ce64, 0x774fbe32, 0xa8b6e37e, 0xc3293d46, 0x48de5369,\r\n        0x6413e680, 0xa2ae0810, 0xdd6db224, 0x69852dfd, 0x09072166,\r\n        0xb39a460a, 0x6445c0dd, 0x586cdecf, 0x1c20c8ae, 0x5bbef7dd,\r\n        0x1b588d40, 0xccd2017f, 0x6bb4e3bb, 0xdda26a7e, 0x3a59ff45,\r\n        0x3e350a44, 0xbcb4cdd5, 0x72eacea8, 0xfa6484bb, 0x8d6612ae,\r\n        0xbf3c6f47, 0xd29be463, 0x542f5d9e, 0xaec2771b, 0xf64e6370,\r\n        0x740e0d8d, 0xe75b1357, 0xf8721671, 0xaf537d5d, 0x4040cb08,\r\n        0x4eb4e2cc, 0x34d2466a, 0x0115af84, 0xe1b00428, 0x95983a1d,\r\n        0x06b89fb4, 0xce6ea048, 0x6f3f3b82, 0x3520ab82, 0x011a1d4b,\r\n        0x277227f8, 0x611560b1, 0xe7933fdc, 0xbb3a792b, 0x344525bd,\r\n        0xa08839e1, 0x51ce794b, 0x2f32c9b7, 0xa01fbac9, 0xe01cc87e,\r\n        0xbcc7d1f6, 0xcf0111c3, 0xa1e8aac7, 0x1a908749, 0xd44fbd9a,\r\n        0xd0dadecb, 0xd50ada38, 0x0339c32a, 0xc6913667, 0x8df9317c,\r\n        0xe0b12b4f, 0xf79e59b7, 0x43f5bb3a, 0xf2d519ff, 0x27d9459c,\r\n        0xbf97222c, 0x15e6fc2a, 0x0f91fc71, 0x9b941525, 0xfae59361,\r\n        0xceb69ceb, 0xc2a86459, 0x12baa8d1, 0xb6c1075e, 0xe3056a0c,\r\n        0x10d25065, 0xcb03a442, 0xe0ec6e0e, 0x1698db3b, 0x4c98a0be,\r\n        0x3278e964, 0x9f1f9532, 0xe0d392df, 0xd3a0342b, 0x8971f21e,\r\n        0x1b0a7441, 0x4ba3348c, 0xc5be7120, 0xc37632d8, 0xdf359f8d,\r\n        0x9b992f2e, 0xe60b6f47, 0x0fe3f11d, 0xe54cda54, 0x1edad891,\r\n        0xce6279cf, 0xcd3e7e6f, 0x1618b166, 0xfd2c1d05, 0x848fd2c5,\r\n        0xf6fb2299, 0xf523f357, 0xa6327623, 0x93a83531, 0x56cccd02,\r\n        0xacf08162, 0x5a75ebb5, 0x6e163697, 0x88d273cc, 0xde966292,\r\n        0x81b949d0, 0x4c50901b, 0x71c65614, 0xe6c6c7bd, 0x327a140a,\r\n        0x45e1d006, 0xc3f27b9a, 0xc9aa53fd, 0x62a80f00, 0xbb25bfe2,\r\n        0x35bdd2f6, 0x71126905, 0xb2040222, 0xb6cbcf7c, 0xcd769c2b,\r\n        0x53113ec0, 0x1640e3d3, 0x38abbd60, 0x2547adf0, 0xba38209c,\r\n        0xf746ce76, 0x77afa1c5, 0x20756060, 0x85cbfe4e, 0x8ae88dd8,\r\n        0x7aaaf9b0, 0x4cf9aa7e, 0x1948c25c, 0x02fb8a8c, 0x01c36ae4,\r\n        0xd6ebe1f9, 0x90d4f869, 0xa65cdea0, 0x3f09252d, 0xc208e69f,\r\n        0xb74e6132, 0xce77e25b, 0x578fdfe3, 0x3ac372e6\r\n    ];\r\n\r\n    /**\r\n     * @type {Array.<number>}\r\n     * @const\r\n     * @inner\r\n     */\r\n    var C_ORIG = [\r\n        0x4f727068, 0x65616e42, 0x65686f6c, 0x64657253, 0x63727944,\r\n        0x6f756274\r\n    ];\r\n\r\n    /**\r\n     * @param {Array.<number>} lr\r\n     * @param {number} off\r\n     * @param {Array.<number>} P\r\n     * @param {Array.<number>} S\r\n     * @returns {Array.<number>}\r\n     * @inner\r\n     */\r\n    function _encipher(lr, off, P, S) { // This is our bottleneck: 1714/1905 ticks / 90% - see profile.txt\r\n        var n,\r\n            l = lr[off],\r\n            r = lr[off + 1];\r\n\r\n        l ^= P[0];\r\n\r\n        /*\r\n        for (var i=0, k=BLOWFISH_NUM_ROUNDS-2; i<=k;)\r\n            // Feistel substitution on left word\r\n            n  = S[l >>> 24],\r\n            n += S[0x100 | ((l >> 16) & 0xff)],\r\n            n ^= S[0x200 | ((l >> 8) & 0xff)],\r\n            n += S[0x300 | (l & 0xff)],\r\n            r ^= n ^ P[++i],\r\n            // Feistel substitution on right word\r\n            n  = S[r >>> 24],\r\n            n += S[0x100 | ((r >> 16) & 0xff)],\r\n            n ^= S[0x200 | ((r >> 8) & 0xff)],\r\n            n += S[0x300 | (r & 0xff)],\r\n            l ^= n ^ P[++i];\r\n        */\r\n\r\n        //The following is an unrolled version of the above loop.\r\n        //Iteration 0\r\n        n  = S[l >>> 24];\r\n        n += S[0x100 | ((l >> 16) & 0xff)];\r\n        n ^= S[0x200 | ((l >> 8) & 0xff)];\r\n        n += S[0x300 | (l & 0xff)];\r\n        r ^= n ^ P[1];\r\n        n  = S[r >>> 24];\r\n        n += S[0x100 | ((r >> 16) & 0xff)];\r\n        n ^= S[0x200 | ((r >> 8) & 0xff)];\r\n        n += S[0x300 | (r & 0xff)];\r\n        l ^= n ^ P[2];\r\n        //Iteration 1\r\n        n  = S[l >>> 24];\r\n        n += S[0x100 | ((l >> 16) & 0xff)];\r\n        n ^= S[0x200 | ((l >> 8) & 0xff)];\r\n        n += S[0x300 | (l & 0xff)];\r\n        r ^= n ^ P[3];\r\n        n  = S[r >>> 24];\r\n        n += S[0x100 | ((r >> 16) & 0xff)];\r\n        n ^= S[0x200 | ((r >> 8) & 0xff)];\r\n        n += S[0x300 | (r & 0xff)];\r\n        l ^= n ^ P[4];\r\n        //Iteration 2\r\n        n  = S[l >>> 24];\r\n        n += S[0x100 | ((l >> 16) & 0xff)];\r\n        n ^= S[0x200 | ((l >> 8) & 0xff)];\r\n        n += S[0x300 | (l & 0xff)];\r\n        r ^= n ^ P[5];\r\n        n  = S[r >>> 24];\r\n        n += S[0x100 | ((r >> 16) & 0xff)];\r\n        n ^= S[0x200 | ((r >> 8) & 0xff)];\r\n        n += S[0x300 | (r & 0xff)];\r\n        l ^= n ^ P[6];\r\n        //Iteration 3\r\n        n  = S[l >>> 24];\r\n        n += S[0x100 | ((l >> 16) & 0xff)];\r\n        n ^= S[0x200 | ((l >> 8) & 0xff)];\r\n        n += S[0x300 | (l & 0xff)];\r\n        r ^= n ^ P[7];\r\n        n  = S[r >>> 24];\r\n        n += S[0x100 | ((r >> 16) & 0xff)];\r\n        n ^= S[0x200 | ((r >> 8) & 0xff)];\r\n        n += S[0x300 | (r & 0xff)];\r\n        l ^= n ^ P[8];\r\n        //Iteration 4\r\n        n  = S[l >>> 24];\r\n        n += S[0x100 | ((l >> 16) & 0xff)];\r\n        n ^= S[0x200 | ((l >> 8) & 0xff)];\r\n        n += S[0x300 | (l & 0xff)];\r\n        r ^= n ^ P[9];\r\n        n  = S[r >>> 24];\r\n        n += S[0x100 | ((r >> 16) & 0xff)];\r\n        n ^= S[0x200 | ((r >> 8) & 0xff)];\r\n        n += S[0x300 | (r & 0xff)];\r\n        l ^= n ^ P[10];\r\n        //Iteration 5\r\n        n  = S[l >>> 24];\r\n        n += S[0x100 | ((l >> 16) & 0xff)];\r\n        n ^= S[0x200 | ((l >> 8) & 0xff)];\r\n        n += S[0x300 | (l & 0xff)];\r\n        r ^= n ^ P[11];\r\n        n  = S[r >>> 24];\r\n        n += S[0x100 | ((r >> 16) & 0xff)];\r\n        n ^= S[0x200 | ((r >> 8) & 0xff)];\r\n        n += S[0x300 | (r & 0xff)];\r\n        l ^= n ^ P[12];\r\n        //Iteration 6\r\n        n  = S[l >>> 24];\r\n        n += S[0x100 | ((l >> 16) & 0xff)];\r\n        n ^= S[0x200 | ((l >> 8) & 0xff)];\r\n        n += S[0x300 | (l & 0xff)];\r\n        r ^= n ^ P[13];\r\n        n  = S[r >>> 24];\r\n        n += S[0x100 | ((r >> 16) & 0xff)];\r\n        n ^= S[0x200 | ((r >> 8) & 0xff)];\r\n        n += S[0x300 | (r & 0xff)];\r\n        l ^= n ^ P[14];\r\n        //Iteration 7\r\n        n  = S[l >>> 24];\r\n        n += S[0x100 | ((l >> 16) & 0xff)];\r\n        n ^= S[0x200 | ((l >> 8) & 0xff)];\r\n        n += S[0x300 | (l & 0xff)];\r\n        r ^= n ^ P[15];\r\n        n  = S[r >>> 24];\r\n        n += S[0x100 | ((r >> 16) & 0xff)];\r\n        n ^= S[0x200 | ((r >> 8) & 0xff)];\r\n        n += S[0x300 | (r & 0xff)];\r\n        l ^= n ^ P[16];\r\n\r\n        lr[off] = r ^ P[BLOWFISH_NUM_ROUNDS + 1];\r\n        lr[off + 1] = l;\r\n        return lr;\r\n    }\r\n\r\n    /**\r\n     * @param {Array.<number>} data\r\n     * @param {number} offp\r\n     * @returns {{key: number, offp: number}}\r\n     * @inner\r\n     */\r\n    function _streamtoword(data, offp) {\r\n        for (var i = 0, word = 0; i < 4; ++i)\r\n            word = (word << 8) | (data[offp] & 0xff),\r\n            offp = (offp + 1) % data.length;\r\n        return { key: word, offp: offp };\r\n    }\r\n\r\n    /**\r\n     * @param {Array.<number>} key\r\n     * @param {Array.<number>} P\r\n     * @param {Array.<number>} S\r\n     * @inner\r\n     */\r\n    function _key(key, P, S) {\r\n        var offset = 0,\r\n            lr = [0, 0],\r\n            plen = P.length,\r\n            slen = S.length,\r\n            sw;\r\n        for (var i = 0; i < plen; i++)\r\n            sw = _streamtoword(key, offset),\r\n            offset = sw.offp,\r\n            P[i] = P[i] ^ sw.key;\r\n        for (i = 0; i < plen; i += 2)\r\n            lr = _encipher(lr, 0, P, S),\r\n            P[i] = lr[0],\r\n            P[i + 1] = lr[1];\r\n        for (i = 0; i < slen; i += 2)\r\n            lr = _encipher(lr, 0, P, S),\r\n            S[i] = lr[0],\r\n            S[i + 1] = lr[1];\r\n    }\r\n\r\n    /**\r\n     * Expensive key schedule Blowfish.\r\n     * @param {Array.<number>} data\r\n     * @param {Array.<number>} key\r\n     * @param {Array.<number>} P\r\n     * @param {Array.<number>} S\r\n     * @inner\r\n     */\r\n    function _ekskey(data, key, P, S) {\r\n        var offp = 0,\r\n            lr = [0, 0],\r\n            plen = P.length,\r\n            slen = S.length,\r\n            sw;\r\n        for (var i = 0; i < plen; i++)\r\n            sw = _streamtoword(key, offp),\r\n            offp = sw.offp,\r\n            P[i] = P[i] ^ sw.key;\r\n        offp = 0;\r\n        for (i = 0; i < plen; i += 2)\r\n            sw = _streamtoword(data, offp),\r\n            offp = sw.offp,\r\n            lr[0] ^= sw.key,\r\n            sw = _streamtoword(data, offp),\r\n            offp = sw.offp,\r\n            lr[1] ^= sw.key,\r\n            lr = _encipher(lr, 0, P, S),\r\n            P[i] = lr[0],\r\n            P[i + 1] = lr[1];\r\n        for (i = 0; i < slen; i += 2)\r\n            sw = _streamtoword(data, offp),\r\n            offp = sw.offp,\r\n            lr[0] ^= sw.key,\r\n            sw = _streamtoword(data, offp),\r\n            offp = sw.offp,\r\n            lr[1] ^= sw.key,\r\n            lr = _encipher(lr, 0, P, S),\r\n            S[i] = lr[0],\r\n            S[i + 1] = lr[1];\r\n    }\r\n\r\n    /**\r\n     * Internaly crypts a string.\r\n     * @param {Array.<number>} b Bytes to crypt\r\n     * @param {Array.<number>} salt Salt bytes to use\r\n     * @param {number} rounds Number of rounds\r\n     * @param {function(Error, Array.<number>=)=} callback Callback receiving the error, if any, and the resulting bytes. If\r\n     *  omitted, the operation will be performed synchronously.\r\n     *  @param {function(number)=} progressCallback Callback called with the current progress\r\n     * @returns {!Array.<number>|undefined} Resulting bytes if callback has been omitted, otherwise `undefined`\r\n     * @inner\r\n     */\r\n    function _crypt(b, salt, rounds, callback, progressCallback) {\r\n        var cdata = C_ORIG.slice(),\r\n            clen = cdata.length,\r\n            err;\r\n\r\n        // Validate\r\n        if (rounds < 4 || rounds > 31) {\r\n            err = Error(\"Illegal number of rounds (4-31): \"+rounds);\r\n            if (callback) {\r\n                nextTick(callback.bind(this, err));\r\n                return;\r\n            } else\r\n                throw err;\r\n        }\r\n        if (salt.length !== BCRYPT_SALT_LEN) {\r\n            err =Error(\"Illegal salt length: \"+salt.length+\" != \"+BCRYPT_SALT_LEN);\r\n            if (callback) {\r\n                nextTick(callback.bind(this, err));\r\n                return;\r\n            } else\r\n                throw err;\r\n        }\r\n        rounds = (1 << rounds) >>> 0;\r\n\r\n        var P, S, i = 0, j;\r\n\r\n        //Use typed arrays when available - huge speedup!\r\n        if (Int32Array) {\r\n            P = new Int32Array(P_ORIG);\r\n            S = new Int32Array(S_ORIG);\r\n        } else {\r\n            P = P_ORIG.slice();\r\n            S = S_ORIG.slice();\r\n        }\r\n\r\n        _ekskey(salt, b, P, S);\r\n\r\n        /**\r\n         * Calcualtes the next round.\r\n         * @returns {Array.<number>|undefined} Resulting array if callback has been omitted, otherwise `undefined`\r\n         * @inner\r\n         */\r\n        function next() {\r\n            if (progressCallback)\r\n                progressCallback(i / rounds);\r\n            if (i < rounds) {\r\n                var start = Date.now();\r\n                for (; i < rounds;) {\r\n                    i = i + 1;\r\n                    _key(b, P, S);\r\n                    _key(salt, P, S);\r\n                    if (Date.now() - start > MAX_EXECUTION_TIME)\r\n                        break;\r\n                }\r\n            } else {\r\n                for (i = 0; i < 64; i++)\r\n                    for (j = 0; j < (clen >> 1); j++)\r\n                        _encipher(cdata, j << 1, P, S);\r\n                var ret = [];\r\n                for (i = 0; i < clen; i++)\r\n                    ret.push(((cdata[i] >> 24) & 0xff) >>> 0),\r\n                    ret.push(((cdata[i] >> 16) & 0xff) >>> 0),\r\n                    ret.push(((cdata[i] >> 8) & 0xff) >>> 0),\r\n                    ret.push((cdata[i] & 0xff) >>> 0);\r\n                if (callback) {\r\n                    callback(null, ret);\r\n                    return;\r\n                } else\r\n                    return ret;\r\n            }\r\n            if (callback)\r\n                nextTick(next);\r\n        }\r\n\r\n        // Async\r\n        if (typeof callback !== 'undefined') {\r\n            next();\r\n\r\n            // Sync\r\n        } else {\r\n            var res;\r\n            while (true)\r\n                if (typeof(res = next()) !== 'undefined')\r\n                    return res || [];\r\n        }\r\n    }\r\n\r\n    /**\r\n     * Internally hashes a string.\r\n     * @param {string} s String to hash\r\n     * @param {?string} salt Salt to use, actually never null\r\n     * @param {function(Error, string=)=} callback Callback receiving the error, if any, and the resulting hash. If omitted,\r\n     *  hashing is perormed synchronously.\r\n     *  @param {function(number)=} progressCallback Callback called with the current progress\r\n     * @returns {string|undefined} Resulting hash if callback has been omitted, otherwise `undefined`\r\n     * @inner\r\n     */\r\n    function _hash(s, salt, callback, progressCallback) {\r\n        var err;\r\n        if (typeof s !== 'string' || typeof salt !== 'string') {\r\n            err = Error(\"Invalid string / salt: Not a string\");\r\n            if (callback) {\r\n                nextTick(callback.bind(this, err));\r\n                return;\r\n            }\r\n            else\r\n                throw err;\r\n        }\r\n\r\n        // Validate the salt\r\n        var minor, offset;\r\n        if (salt.charAt(0) !== '$' || salt.charAt(1) !== '2') {\r\n            err = Error(\"Invalid salt version: \"+salt.substring(0,2));\r\n            if (callback) {\r\n                nextTick(callback.bind(this, err));\r\n                return;\r\n            }\r\n            else\r\n                throw err;\r\n        }\r\n        if (salt.charAt(2) === '$')\r\n            minor = String.fromCharCode(0),\r\n            offset = 3;\r\n        else {\r\n            minor = salt.charAt(2);\r\n            if ((minor !== 'a' && minor !== 'b' && minor !== 'y') || salt.charAt(3) !== '$') {\r\n                err = Error(\"Invalid salt revision: \"+salt.substring(2,4));\r\n                if (callback) {\r\n                    nextTick(callback.bind(this, err));\r\n                    return;\r\n                } else\r\n                    throw err;\r\n            }\r\n            offset = 4;\r\n        }\r\n\r\n        // Extract number of rounds\r\n        if (salt.charAt(offset + 2) > '$') {\r\n            err = Error(\"Missing salt rounds\");\r\n            if (callback) {\r\n                nextTick(callback.bind(this, err));\r\n                return;\r\n            } else\r\n                throw err;\r\n        }\r\n        var r1 = parseInt(salt.substring(offset, offset + 1), 10) * 10,\r\n            r2 = parseInt(salt.substring(offset + 1, offset + 2), 10),\r\n            rounds = r1 + r2,\r\n            real_salt = salt.substring(offset + 3, offset + 25);\r\n        s += minor >= 'a' ? \"\\x00\" : \"\";\r\n\r\n        var passwordb = stringToBytes(s),\r\n            saltb = base64_decode(real_salt, BCRYPT_SALT_LEN);\r\n\r\n        /**\r\n         * Finishes hashing.\r\n         * @param {Array.<number>} bytes Byte array\r\n         * @returns {string}\r\n         * @inner\r\n         */\r\n        function finish(bytes) {\r\n            var res = [];\r\n            res.push(\"$2\");\r\n            if (minor >= 'a')\r\n                res.push(minor);\r\n            res.push(\"$\");\r\n            if (rounds < 10)\r\n                res.push(\"0\");\r\n            res.push(rounds.toString());\r\n            res.push(\"$\");\r\n            res.push(base64_encode(saltb, saltb.length));\r\n            res.push(base64_encode(bytes, C_ORIG.length * 4 - 1));\r\n            return res.join('');\r\n        }\r\n\r\n        // Sync\r\n        if (typeof callback == 'undefined')\r\n            return finish(_crypt(passwordb, saltb, rounds));\r\n\r\n        // Async\r\n        else {\r\n            _crypt(passwordb, saltb, rounds, function(err, bytes) {\r\n                if (err)\r\n                    callback(err, null);\r\n                else\r\n                    callback(null, finish(bytes));\r\n            }, progressCallback);\r\n        }\r\n    }\r\n\r\n    /**\r\n     * Encodes a byte array to base64 with up to len bytes of input, using the custom bcrypt alphabet.\r\n     * @function\r\n     * @param {!Array.<number>} b Byte array\r\n     * @param {number} len Maximum input length\r\n     * @returns {string}\r\n     * @expose\r\n     */\r\n    bcrypt.encodeBase64 = base64_encode;\r\n\r\n    /**\r\n     * Decodes a base64 encoded string to up to len bytes of output, using the custom bcrypt alphabet.\r\n     * @function\r\n     * @param {string} s String to decode\r\n     * @param {number} len Maximum output length\r\n     * @returns {!Array.<number>}\r\n     * @expose\r\n     */\r\n    bcrypt.decodeBase64 = base64_decode;\r\n\r\n    return bcrypt;\r\n}));\r\n",
     "import {\r\n  head,\r\n  tail,\r\n  findIndex,\r\n  startsWith,\r\n  dropRight,\r\n  flow,\r\n  takeRight,\r\n  trim,\r\n  replace,\r\n} from \"lodash\"\r\nimport {\r\n  some,\r\n  reduce,\r\n  isEmpty,\r\n  isArray,\r\n  join,\r\n  isString,\r\n  isInteger,\r\n  isDate,\r\n  toNumber,\r\n  isUndefined,\r\n  isNaN,\r\n  isNull,\r\n  constant,\r\n  split,\r\n  includes,\r\n  filter,\r\n} from \"lodash/fp\"\r\nimport { events, eventsList } from \"./events\"\r\nimport { apiWrapper } from \"./apiWrapper\"\r\nimport { getLock, NO_LOCK, isNolock } from \"./lock\"\r\nimport crypto from \"./nodeCrypto\"\r\n\r\n// this is the combinator function\r\nexport const $$ = (...funcs) => arg => flow(funcs)(arg)\r\n\r\n// this is the pipe function\r\nexport const $ = (arg, funcs) => $$(...funcs)(arg)\r\n\r\nexport const keySep = \"/\"\r\nconst trimKeySep = str => trim(str, keySep)\r\nconst splitByKeySep = str => split(keySep)(str)\r\nexport const safeKey = key =>\r\n  replace(`${keySep}${trimKeySep(key)}`, `${keySep}${keySep}`, keySep)\r\nexport const joinKey = (...strs) => {\r\n  const paramsOrArray = (strs.length === 1) & isArray(strs[0]) ? strs[0] : strs\r\n  return $(paramsOrArray, [\r\n    filter(s => !isUndefined(s) && !isNull(s) && s.toString().length > 0),\r\n    join(keySep),\r\n    safeKey,\r\n  ])\r\n}\r\nexport const splitKey = $$(trimKeySep, splitByKeySep)\r\nexport const getDirFomKey = $$(splitKey, dropRight, p => joinKey(...p))\r\nexport const getFileFromKey = $$(splitKey, takeRight, head)\r\n\r\nexport const configFolder = `${keySep}.config`\r\nexport const fieldDefinitions = joinKey(configFolder, \"fields.json\")\r\nexport const templateDefinitions = joinKey(configFolder, \"templates.json\")\r\nexport const appDefinitionFile = joinKey(configFolder, \"appDefinition.json\")\r\nexport const dirIndex = folderPath =>\r\n  joinKey(configFolder, \"dir\", ...splitKey(folderPath), \"dir.idx\")\r\nexport const getIndexKeyFromFileKey = $$(getDirFomKey, dirIndex)\r\n\r\nexport const ifExists = (val, exists, notExists) =>\r\n  isUndefined(val)\r\n    ? isUndefined(notExists)\r\n      ? (() => {})()\r\n      : notExists()\r\n    : exists()\r\n\r\nexport const getOrDefault = (val, defaultVal) =>\r\n  ifExists(\r\n    val,\r\n    () => val,\r\n    () => defaultVal\r\n  )\r\n\r\nexport const not = func => val => !func(val)\r\nexport const isDefined = not(isUndefined)\r\nexport const isNonNull = not(isNull)\r\nexport const isNotNaN = not(isNaN)\r\n\r\nexport const allTrue = (...funcArgs) => val =>\r\n  reduce(\r\n    (result, conditionFunc) =>\r\n      (isNull(result) || result == true) && conditionFunc(val),\r\n    null\r\n  )(funcArgs)\r\n\r\nexport const anyTrue = (...funcArgs) => val =>\r\n  reduce(\r\n    (result, conditionFunc) => result == true || conditionFunc(val),\r\n    null\r\n  )(funcArgs)\r\n\r\nexport const insensitiveEquals = (str1, str2) =>\r\n  str1.trim().toLowerCase() === str2.trim().toLowerCase()\r\n\r\nexport const isSomething = allTrue(isDefined, isNonNull, isNotNaN)\r\nexport const isNothing = not(isSomething)\r\nexport const isNothingOrEmpty = v => isNothing(v) || isEmpty(v)\r\nexport const somethingOrGetDefault = getDefaultFunc => val =>\r\n  isSomething(val) ? val : getDefaultFunc()\r\nexport const somethingOrDefault = (val, defaultVal) =>\r\n  somethingOrGetDefault(constant(defaultVal))(val)\r\n\r\nexport const mapIfSomethingOrDefault = (mapFunc, defaultVal) => val =>\r\n  isSomething(val) ? mapFunc(val) : defaultVal\r\n\r\nexport const mapIfSomethingOrBlank = mapFunc =>\r\n  mapIfSomethingOrDefault(mapFunc, \"\")\r\n\r\nexport const none = predicate => collection => !some(predicate)(collection)\r\n\r\nexport const all = predicate => collection =>\r\n  none(v => !predicate(v))(collection)\r\n\r\nexport const isNotEmpty = ob => !isEmpty(ob)\r\nexport const isAsync = fn => fn.constructor.name === \"AsyncFunction\"\r\nexport const isNonEmptyArray = allTrue(isArray, isNotEmpty)\r\nexport const isNonEmptyString = allTrue(isString, isNotEmpty)\r\nexport const tryOr = failFunc => (func, ...args) => {\r\n  try {\r\n    return func.apply(null, ...args)\r\n  } catch (_) {\r\n    return failFunc()\r\n  }\r\n}\r\n\r\nexport const tryAwaitOr = failFunc => async (func, ...args) => {\r\n  try {\r\n    return await func.apply(null, ...args)\r\n  } catch (_) {\r\n    return await failFunc()\r\n  }\r\n}\r\n\r\nexport const defineError = (func, errorPrefix) => {\r\n  try {\r\n    return func()\r\n  } catch (err) {\r\n    err.message = `${errorPrefix} : ${err.message}`\r\n    throw err\r\n  }\r\n}\r\n\r\nexport const tryOrIgnore = tryOr(() => {})\r\nexport const tryAwaitOrIgnore = tryAwaitOr(async () => {})\r\nexport const causesException = func => {\r\n  try {\r\n    func()\r\n    return false\r\n  } catch (e) {\r\n    return true\r\n  }\r\n}\r\n\r\nexport const executesWithoutException = func => !causesException(func)\r\n\r\nexport const handleErrorWith = returnValInError =>\r\n  tryOr(constant(returnValInError))\r\n\r\nexport const handleErrorWithUndefined = handleErrorWith(undefined)\r\n\r\nexport const switchCase = (...cases) => value => {\r\n  const nextCase = () => head(cases)[0](value)\r\n  const nextResult = () => head(cases)[1](value)\r\n\r\n  if (isEmpty(cases)) return // undefined\r\n  if (nextCase() === true) return nextResult()\r\n  return switchCase(...tail(cases))(value)\r\n}\r\n\r\nexport const isValue = val1 => val2 => val1 === val2\r\nexport const isOneOf = (...vals) => val => includes(val)(vals)\r\nexport const defaultCase = constant(true)\r\nexport const memberMatches = (member, match) => obj => match(obj[member])\r\n\r\nexport const StartsWith = searchFor => searchIn =>\r\n  startsWith(searchIn, searchFor)\r\n\r\nexport const contains = val => array => findIndex(array, v => v === val) > -1\r\n\r\nexport const getHashCode = s => {\r\n  let hash = 0\r\n  let i\r\n  let char\r\n  let l\r\n  if (s.length == 0) return hash\r\n  for (i = 0, l = s.length; i < l; i++) {\r\n    char = s.charCodeAt(i)\r\n    hash = (hash << 5) - hash + char\r\n    hash |= 0 // Convert to 32bit integer\r\n  }\r\n\r\n  // converting to string, but dont want a \"-\" prefixed\r\n  if (hash < 0) {\r\n    return `n${(hash * -1).toString()}`\r\n  }\r\n  return hash.toString()\r\n}\r\n\r\n// thanks to https://blog.grossman.io/how-to-write-async-await-without-try-catch-blocks-in-javascript/\r\nexport const awEx = async promise => {\r\n  try {\r\n    const result = await promise\r\n    return [undefined, result]\r\n  } catch (error) {\r\n    return [error, undefined]\r\n  }\r\n}\r\n\r\nexport const isSafeInteger = n =>\r\n  isInteger(n) &&\r\n  n <= Number.MAX_SAFE_INTEGER &&\r\n  n >= 0 - Number.MAX_SAFE_INTEGER\r\n\r\nexport const toDateOrNull = s =>\r\n  isNull(s) ? null : isDate(s) ? s : new Date(s)\r\nexport const toBoolOrNull = s => (isNull(s) ? null : s === \"true\" || s === true)\r\nexport const toNumberOrNull = s => (isNull(s) ? null : toNumber(s))\r\n\r\nexport const isArrayOfString = opts => isArray(opts) && all(isString)(opts)\r\n\r\nexport const pushAll = (target, items) => {\r\n  for (let i of items) target.push(i)\r\n}\r\n\r\nexport const pause = async duration =>\r\n  new Promise(res => setTimeout(res, duration))\r\n\r\nexport const retry = async (fn, retries, delay, ...args) => {\r\n  try {\r\n    return await fn(...args)\r\n  } catch (err) {\r\n    if (retries > 1) {\r\n      return await pause(delay).then(\r\n        async () => await retry(fn, retries - 1, delay, ...args)\r\n      )\r\n    }\r\n    throw err\r\n  }\r\n}\r\n\r\nexport { events } from \"./events\"\r\nexport { apiWrapper, apiWrapperSync } from \"./apiWrapper\"\r\nexport { getLock, NO_LOCK, releaseLock, extendLock, isNolock } from \"./lock\"\r\nexport { crypto }\r\n\r\nexport default {\r\n  ifExists,\r\n  getOrDefault,\r\n  isDefined,\r\n  isNonNull,\r\n  isNotNaN,\r\n  allTrue,\r\n  isSomething,\r\n  mapIfSomethingOrDefault,\r\n  mapIfSomethingOrBlank,\r\n  configFolder,\r\n  fieldDefinitions,\r\n  isNothing,\r\n  not,\r\n  switchCase,\r\n  defaultCase,\r\n  StartsWith,\r\n  contains,\r\n  templateDefinitions,\r\n  handleErrorWith,\r\n  handleErrorWithUndefined,\r\n  tryOr,\r\n  tryOrIgnore,\r\n  tryAwaitOr,\r\n  tryAwaitOrIgnore,\r\n  dirIndex,\r\n  keySep,\r\n  $,\r\n  $$,\r\n  getDirFomKey,\r\n  getFileFromKey,\r\n  splitKey,\r\n  somethingOrDefault,\r\n  getIndexKeyFromFileKey,\r\n  joinKey,\r\n  somethingOrGetDefault,\r\n  appDefinitionFile,\r\n  isValue,\r\n  all,\r\n  isOneOf,\r\n  memberMatches,\r\n  defineError,\r\n  anyTrue,\r\n  isNonEmptyArray,\r\n  causesException,\r\n  executesWithoutException,\r\n  none,\r\n  getHashCode,\r\n  awEx,\r\n  apiWrapper,\r\n  events,\r\n  eventsList,\r\n  isNothingOrEmpty,\r\n  isSafeInteger,\r\n  toNumber,\r\n  toDate: toDateOrNull,\r\n  toBool: toBoolOrNull,\r\n  isArrayOfString,\r\n  getLock,\r\n  NO_LOCK,\r\n  isNolock,\r\n  insensitiveEquals,\r\n  pause,\r\n  retry,\r\n  pushAll,\r\n}\r\n",
     "import { filter, map } from \"lodash/fp\"\r\nimport { $, isSomething } from \"./index\"\r\n\r\nexport const stringNotEmpty = s => isSomething(s) && s.trim().length > 0\r\n\r\nexport const makerule = (field, error, isValid) => ({ field, error, isValid })\r\n\r\nexport const validationError = (rule, item) => ({ ...rule, item })\r\n\r\nexport const applyRuleSet = ruleSet => itemToValidate =>\r\n  $(ruleSet, [map(applyRule(itemToValidate)), filter(isSomething)])\r\n\r\nexport const applyRule = itemTovalidate => rule =>\r\n  rule.isValid(itemTovalidate) ? null : validationError(rule, itemTovalidate)\r\n",
     "var filters = new Map();\nvar limiters = new Map();\n\nfunction filter(name, handler) {\n  if (typeof name !== 'string') {\n    throw new TypeError('First argument must be a string.');\n  }\n  if (typeof handler !== 'function') {\n    throw new TypeError('Second argument must be a function.');\n  }\n  if (filters.has(name)) {\n    throw new Error((\"A filter named \" + name + \" is already registered.\"));\n  }\n  filters.set(name, handler);\n}\n\nfunction limiter(name, handler) {\n  if (typeof name !== 'string') {\n    throw new TypeError('First argument must be a string.');\n  }\n  if (typeof handler !== 'function') {\n    throw new TypeError('Second argument must be a function.');\n  }\n  if (limiters.has(name)) {\n    throw new Error((\"A limiter named \" + name + \" is already registered.\"));\n  }\n  limiters.set(name, handler);\n}\n\nfunction compileRawExpression(src) {\n  return new Function('context', 'tempVars', // eslint-disable-line\n  (\"const sandbox = $nxCompileToSandbox(context, tempVars)\\n    try { with (sandbox) { return \" + src + \" } } catch (err) {\\n      if (!(err instanceof TypeError)) throw err\\n    }\\n    $nxClearSandbox()\"));\n}\n\nfunction compileRawCode(src) {\n  return new Function('context', 'tempVars', // eslint-disable-line\n  (\"const sandbox = $nxCompileToSandbox(context, tempVars)\\n    with (sandbox) { \" + src + \" }\\n    $nxClearSandbox()\"));\n}\n\nvar filterRegex = /(?:[^\\|]|\\|\\|)+/g;\nvar limiterRegex = /(?:[^&]|&&)+/g;\nvar argsRegex = /\\S+/g;\n\nfunction parseExpression(src) {\n  var tokens = src.match(filterRegex);\n  if (tokens.length === 1) {\n    return compileRawExpression(tokens[0]);\n  }\n\n  var expression = {\n    exec: compileRawExpression(tokens[0]),\n    filters: []\n  };\n  for (var i = 1; i < tokens.length; i++) {\n    var filterTokens = tokens[i].match(argsRegex);\n    var filterName = filterTokens.shift();\n    var effect = filters.get(filterName);\n    if (!effect) {\n      throw new Error((\"There is no filter named: \" + filterName + \".\"));\n    }\n    expression.filters.push({ effect: effect, argExpressions: filterTokens.map(compileRawExpression) });\n  }\n  return expression;\n}\n\nfunction parseCode(src) {\n  var tokens = src.match(limiterRegex);\n  if (tokens.length === 1) {\n    return compileRawCode(tokens[0]);\n  }\n\n  var code = {\n    exec: compileRawCode(tokens[0]),\n    limiters: []\n  };\n  for (var i = 1; i < tokens.length; i++) {\n    var limiterTokens = tokens[i].match(argsRegex);\n    var limiterName = limiterTokens.shift();\n    var effect = limiters.get(limiterName);\n    if (!effect) {\n      throw new Error((\"There is no limiter named: \" + limiterName + \".\"));\n    }\n    code.limiters.push({ effect: effect, argExpressions: limiterTokens.map(compileRawExpression) });\n  }\n  return code;\n}\n\nvar expressionCache = new Map();\nvar codeCache = new Map();\n\nfunction compileExpression(src) {\n  if (typeof src !== 'string') {\n    throw new TypeError('First argument must be a string.');\n  }\n  var expression = expressionCache.get(src);\n  if (!expression) {\n    expression = parseExpression(src);\n    expressionCache.set(src, expression);\n  }\n\n  if (typeof expression === 'function') {\n    return expression;\n  }\n\n  return function evaluateExpression(context, tempVars) {\n    var value = expression.exec(context, tempVars);\n    for (var i = 0, list = expression.filters; i < list.length; i += 1) {\n      var filter = list[i];\n\n      var args = filter.argExpressions.map(evaluateArgExpression, context);\n      value = filter.effect.apply(filter, [ value ].concat( args ));\n    }\n    return value;\n  };\n}\n\nfunction compileCode(src) {\n  if (typeof src !== 'string') {\n    throw new TypeError('First argument must be a string.');\n  }\n  var code = codeCache.get(src);\n  if (!code) {\n    code = parseCode(src);\n    codeCache.set(src, code);\n  }\n\n  if (typeof code === 'function') {\n    return code;\n  }\n\n  var context = {};\n  return function evaluateCode(state, tempVars) {\n    var i = 0;\n    function next() {\n      Object.assign(context, tempVars);\n      if (i < code.limiters.length) {\n        var limiter = code.limiters[i++];\n        var args = limiter.argExpressions.map(evaluateArgExpression, state);\n        limiter.effect.apply(limiter, [ next, context ].concat( args ));\n      } else {\n        code.exec(state, tempVars);\n      }\n    }\n    next();\n  };\n}\n\nfunction evaluateArgExpression(argExpression) {\n  return argExpression(this);\n}\n\nvar hasHandler = { has: has };\nvar allHandlers = { has: has, get: get };\nvar globals = new Set();\nvar temp;\n\nvar globalObj;\nif (typeof window !== 'undefined') { globalObj = window; } // eslint-disable-line\nelse if (typeof global !== 'undefined') { globalObj = global; } // eslint-disable-line\n  else if (typeof self !== 'undefined') { globalObj = self; } // eslint-disable-line\nglobalObj.$nxCompileToSandbox = toSandbox;\nglobalObj.$nxClearSandbox = clearSandbox;\n\nfunction expose() {\n  var globalNames = [], len = arguments.length;\n  while ( len-- ) globalNames[ len ] = arguments[ len ];\n\n  for (var i = 0, list = globalNames; i < list.length; i += 1) {\n    var globalName = list[i];\n\n    globals.add(globalName);\n  }\n}\n\nfunction hide() {\n  var globalNames = [], len = arguments.length;\n  while ( len-- ) globalNames[ len ] = arguments[ len ];\n\n  for (var i = 0, list = globalNames; i < list.length; i += 1) {\n    var globalName = list[i];\n\n    globals.delete(globalName);\n  }\n}\n\nfunction hideAll() {\n  globals.clear();\n}\n\nfunction has(target, key) {\n  return globals.has(key) ? key in target : true;\n}\n\nfunction get(target, key) {\n  return key in temp ? temp[key] : target[key];\n}\n\nfunction toSandbox(obj, tempVars) {\n  if (tempVars) {\n    temp = tempVars;\n    return new Proxy(obj, allHandlers);\n  }\n  return new Proxy(obj, hasHandler);\n}\n\nfunction clearSandbox() {\n  temp = undefined;\n}\n\nexport { compileExpression, compileCode, compileRawExpression, compileRawCode, expose, hide, hideAll, filters, limiters, filter, limiter };\n",
-    "import { compileExpression, compileCode } from \"@nx-js/compiler-util\"\r\nimport { isUndefined, keys, cloneDeep, isFunction } from \"lodash/fp\"\r\nimport { defineError } from \"../common\"\r\n\r\nexport const filterEval = \"FILTER_EVALUATE\"\r\nexport const filterCompile = \"FILTER_COMPILE\"\r\nexport const mapEval = \"MAP_EVALUATE\"\r\nexport const mapCompile = \"MAP_COMPILE\"\r\nexport const removeUndeclaredFields = \"REMOVE_UNDECLARED_FIELDS\"\r\nexport const addUnMappedFields = \"ADD_UNMAPPED_FIELDS\"\r\nexport const addTheKey = \"ADD_KEY\"\r\n\r\nconst getEvaluateResult = () => ({\r\n  isError: false,\r\n  passedFilter: true,\r\n  result: null,\r\n})\r\n\r\nexport const compileFilter = index => compileExpression(index.filter)\r\n\r\nexport const compileMap = index => compileCode(index.map)\r\n\r\nexport const passesFilter = (record, index) => {\r\n  const context = { record }\r\n  if (!index.filter) return true\r\n\r\n  const compiledFilter = defineError(() => compileFilter(index), filterCompile)\r\n\r\n  return defineError(() => compiledFilter(context), filterEval)\r\n}\r\n\r\nexport const mapRecord = (record, index) => {\r\n  const recordClone = cloneDeep(record)\r\n  const context = { record: recordClone }\r\n\r\n  const map = index.map ? index.map : \"return {...record};\"\r\n\r\n  const compiledMap = defineError(() => compileCode(map), mapCompile)\r\n\r\n  const mapped = defineError(() => compiledMap(context), mapEval)\r\n\r\n  const mappedKeys = keys(mapped)\r\n  for (let i = 0; i < mappedKeys.length; i++) {\r\n    const key = mappedKeys[i]\r\n    mapped[key] = isUndefined(mapped[key]) ? null : mapped[key]\r\n    if (isFunction(mapped[key])) {\r\n      delete mapped[key]\r\n    }\r\n  }\r\n\r\n  mapped.key = record.key\r\n  mapped.sortKey = index.getSortKey\r\n    ? compileCode(index.getSortKey)(context)\r\n    : record.id\r\n\r\n  return mapped\r\n}\r\n\r\nexport const evaluate = record => index => {\r\n  const result = getEvaluateResult()\r\n\r\n  try {\r\n    result.passedFilter = passesFilter(record, index)\r\n  } catch (err) {\r\n    result.isError = true\r\n    result.passedFilter = false\r\n    result.result = err.message\r\n  }\r\n\r\n  if (!result.passedFilter) return result\r\n\r\n  try {\r\n    result.result = mapRecord(record, index)\r\n  } catch (err) {\r\n    result.isError = true\r\n    result.result = err.message\r\n  }\r\n\r\n  return result\r\n}\r\n\r\nexport default evaluate\r\n",
-    "import { map, isEmpty, countBy, flatten, includes, join, keys } from \"lodash/fp\"\r\nimport {} from \"lodash\"\r\nimport { applyRuleSet, makerule } from \"../common/validationCommon\"\r\nimport { compileFilter, compileMap } from \"../indexing/evaluate\"\r\nimport { isNonEmptyString, executesWithoutException, $ } from \"../common\"\r\nimport { isTable } from \"./hierarchy\"\r\n\r\nexport const indexTypes = { reference: \"reference\", ancestor: \"ancestor\" }\r\n\r\nexport const indexRuleSet = [\r\n  makerule(\"map\", \"index has no map function\", index =>\r\n    isNonEmptyString(index.map)\r\n  ),\r\n  makerule(\r\n    \"map\",\r\n    \"index's map function does not compile\",\r\n    index =>\r\n      !isNonEmptyString(index.map) ||\r\n      executesWithoutException(() => compileMap(index))\r\n  ),\r\n  makerule(\r\n    \"filter\",\r\n    \"index's filter function does not compile\",\r\n    index =>\r\n      !isNonEmptyString(index.filter) ||\r\n      executesWithoutException(() => compileFilter(index))\r\n  ),\r\n  makerule(\"name\", \"must declare a name for index\", index =>\r\n    isNonEmptyString(index.name)\r\n  ),\r\n  makerule(\r\n    \"name\",\r\n    \"there is a duplicate named index on this node\",\r\n    index =>\r\n      isEmpty(index.name) ||\r\n      countBy(\"name\")(index.parent().indexes)[index.name] === 1\r\n  ),\r\n  makerule(\r\n    \"indexType\",\r\n    \"reference index may only exist on a record node\",\r\n    index =>\r\n      isTable(index.parent()) || index.indexType !== indexTypes.reference\r\n  ),\r\n  makerule(\r\n    \"indexType\",\r\n    `index type must be one of: ${join(\", \")(keys(indexTypes))}`,\r\n    index => includes(index.indexType)(keys(indexTypes))\r\n  ),\r\n]\r\n\r\nexport const validateIndex = (index, allReferenceIndexesOnNode) =>\r\n  applyRuleSet(indexRuleSet(allReferenceIndexesOnNode))(index)\r\n\r\nexport const validateAllIndexes = node =>\r\n  $(node.indexes, [map(i => validateIndex(i, node.indexes)), flatten])\r\n",
-    "import {\r\n  find,\r\n  constant,\r\n  map,\r\n  last,\r\n  first,\r\n  split,\r\n  intersection,\r\n  take,\r\n  union,\r\n  includes,\r\n  filter,\r\n  some,\r\n} from \"lodash/fp\"\r\nimport {\r\n  $,\r\n  switchCase,\r\n  isNothing,\r\n  isSomething,\r\n  defaultCase,\r\n  splitKey,\r\n  isNonEmptyString,\r\n  joinKey,\r\n  getHashCode,\r\n} from \"../common\"\r\nimport { indexTypes } from \"./indexes\"\r\n\r\nexport const getFlattenedHierarchy = (appHierarchy, useCached = true) => {\r\n  if (isSomething(appHierarchy.getFlattenedHierarchy) && useCached) {\r\n    return appHierarchy.getFlattenedHierarchy()\r\n  }\r\n\r\n  const flattenHierarchy = (currentNode, flattened) => {\r\n    flattened.push(currentNode)\r\n    if (\r\n      (!currentNode.children || currentNode.children.length === 0) &&\r\n      (!currentNode.indexes || currentNode.indexes.length === 0) &&\r\n      (!currentNode.aggregateGroups || currentNode.aggregateGroups.length === 0)\r\n    ) {\r\n      return flattened\r\n    }\r\n\r\n    const unionIfAny = l2 => l1 => union(l1)(!l2 ? [] : l2)\r\n\r\n    const children = $(\r\n      [],\r\n      [\r\n        unionIfAny(currentNode.children),\r\n        unionIfAny(currentNode.indexes),\r\n        unionIfAny(currentNode.aggregateGroups),\r\n      ]\r\n    )\r\n\r\n    for (const child of children) {\r\n      flattenHierarchy(child, flattened)\r\n    }\r\n    return flattened\r\n  }\r\n\r\n  appHierarchy.getFlattenedHierarchy = () => flattenHierarchy(appHierarchy, [])\r\n  return appHierarchy.getFlattenedHierarchy()\r\n}\r\n\r\nexport const getLastPartInKey = key => last(splitKey(key))\r\n\r\nexport const getNodesInPath = appHierarchy => key =>\r\n  $(appHierarchy, [\r\n    getFlattenedHierarchy,\r\n    filter(n => new RegExp(`${n.pathRegx()}`).test(key)),\r\n  ])\r\n\r\nexport const getExactNodeForKey = appHierarchy => key =>\r\n  $(appHierarchy, [\r\n    getFlattenedHierarchy,\r\n    find(n => new RegExp(`${n.pathRegx()}$`).test(key)),\r\n  ])\r\n\r\nexport const getNodeForCollectionPath = appHierarchy => collectionKey =>\r\n  $(appHierarchy, [\r\n    getFlattenedHierarchy,\r\n    find(\r\n      n =>\r\n        isCollectionRecord(n) &&\r\n        new RegExp(`${n.collectionPathRegx()}$`).test(collectionKey)\r\n    ),\r\n  ])\r\n\r\nexport const hasMatchingAncestor = ancestorPredicate => decendantNode =>\r\n  switchCase(\r\n    [node => isNothing(node.parent()), constant(false)],\r\n\r\n    [node => ancestorPredicate(node.parent()), constant(true)],\r\n\r\n    [defaultCase, node => hasMatchingAncestor(ancestorPredicate)(node.parent())]\r\n  )(decendantNode)\r\n\r\nexport const getNode = (appHierarchy, nodeKey) =>\r\n  $(appHierarchy, [\r\n    getFlattenedHierarchy,\r\n    find(\r\n      n =>\r\n        n.nodeKey() === nodeKey ||\r\n        (isCollectionRecord(n) && n.collectionNodeKey() === nodeKey)\r\n    ),\r\n  ])\r\n\r\nexport const getCollectionNode = (appHierarchy, nodeKey) =>\r\n  $(appHierarchy, [\r\n    getFlattenedHierarchy,\r\n    find(n => isCollectionRecord(n) && n.collectionNodeKey() === nodeKey),\r\n  ])\r\n\r\nexport const getNodeByKeyOrNodeKey = (appHierarchy, keyOrNodeKey) => {\r\n  const nodeByKey = getExactNodeForKey(appHierarchy)(keyOrNodeKey)\r\n  return isNothing(nodeByKey) ? getNode(appHierarchy, keyOrNodeKey) : nodeByKey\r\n}\r\n\r\nexport const getCollectionNodeByKeyOrNodeKey = (appHierarchy, keyOrNodeKey) => {\r\n  const nodeByKey = getNodeForCollectionPath(appHierarchy)(keyOrNodeKey)\r\n  return isNothing(nodeByKey)\r\n    ? getCollectionNode(appHierarchy, keyOrNodeKey)\r\n    : nodeByKey\r\n}\r\n\r\nexport const isNode = (appHierarchy, key) =>\r\n  isSomething(getExactNodeForKey(appHierarchy)(key))\r\n\r\nexport const getActualKeyOfParent = (parentNodeKey, actualChildKey) =>\r\n  $(actualChildKey, [\r\n    splitKey,\r\n    take(splitKey(parentNodeKey).length),\r\n    ks => joinKey(...ks),\r\n  ])\r\n\r\nexport const getParentKey = key => {\r\n  return $(key, [splitKey, take(splitKey(key).length - 1), joinKey])\r\n}\r\n\r\nexport const isKeyAncestorOf = ancestorKey => decendantNode =>\r\n  hasMatchingAncestor(p => p.nodeKey() === ancestorKey)(decendantNode)\r\n\r\nexport const hasNoMatchingAncestors = parentPredicate => node =>\r\n  !hasMatchingAncestor(parentPredicate)(node)\r\n\r\nexport const findField = (recordNode, fieldName) =>\r\n  find(f => f.name == fieldName)(recordNode.fields)\r\n\r\nexport const isAncestor = decendant => ancestor =>\r\n  isKeyAncestorOf(ancestor.nodeKey())(decendant)\r\n\r\nexport const isDecendant = ancestor => decendant =>\r\n  isAncestor(decendant)(ancestor)\r\n\r\nexport const getRecordNodeId = recordKey =>\r\n  $(recordKey, [splitKey, last, getRecordNodeIdFromId])\r\n\r\nexport const getRecordNodeIdFromId = recordId =>\r\n  $(recordId, [split(\"-\"), first, parseInt])\r\n\r\nexport const getRecordNodeById = (hierarchy, recordId) =>\r\n  $(hierarchy, [\r\n    getFlattenedHierarchy,\r\n    find(n => isTable(n) && n.nodeId === getRecordNodeIdFromId(recordId)),\r\n  ])\r\n\r\nexport const recordNodeIdIsAllowed = indexNode => nodeId =>\r\n  indexNode.allowedTableNodeIds.length === 0 ||\r\n  includes(nodeId)(indexNode.allowedTableNodeIds)\r\n\r\nexport const recordNodeIsAllowed = indexNode => recordNode =>\r\n  recordNodeIdIsAllowed(indexNode)(recordNode.nodeId)\r\n\r\nexport const getAllowedRecordNodesForIndex = (appHierarchy, indexNode) => {\r\n  const recordNodes = $(appHierarchy, [getFlattenedHierarchy, filter(isTable)])\r\n\r\n  if (isGlobalIndex(indexNode)) {\r\n    return $(recordNodes, [filter(recordNodeIsAllowed(indexNode))])\r\n  }\r\n\r\n  if (isAncestorIndex(indexNode)) {\r\n    return $(recordNodes, [\r\n      filter(isDecendant(indexNode.parent())),\r\n      filter(recordNodeIsAllowed(indexNode)),\r\n    ])\r\n  }\r\n\r\n  if (isReferenceIndex(indexNode)) {\r\n    return $(recordNodes, [\r\n      filter(n => some(fieldReversesReferenceToIndex(indexNode))(n.fields)),\r\n    ])\r\n  }\r\n}\r\n\r\nexport const getNodeFromNodeKeyHash = hierarchy => hash =>\r\n  $(hierarchy, [\r\n    getFlattenedHierarchy,\r\n    find(n => getHashCode(n.nodeKey()) === hash),\r\n  ])\r\n\r\nexport const isTable = node => isSomething(node) && node.type === \"record\"\r\nexport const isSingleRecord = node => isTable(node) && node.isSingle\r\nexport const isCollectionRecord = node => isTable(node) && !node.isSingle\r\nexport const isIndex = node => isSomething(node) && node.type === \"index\"\r\nexport const isaggregateGroup = node =>\r\n  isSomething(node) && node.type === \"aggregateGroup\"\r\nexport const isShardedIndex = node =>\r\n  isIndex(node) && isNonEmptyString(node.getShardName)\r\nexport const isRoot = node => isSomething(node) && node.isRoot()\r\nexport const isDecendantOfARecord = hasMatchingAncestor(isTable)\r\nexport const isGlobalIndex = node => isIndex(node) && isRoot(node.parent())\r\nexport const isReferenceIndex = node =>\r\n  isIndex(node) && node.indexType === indexTypes.reference\r\nexport const isAncestorIndex = node =>\r\n  isIndex(node) && node.indexType === indexTypes.ancestor\r\n\r\nexport const fieldReversesReferenceToNode = node => field =>\r\n  field.type === \"reference\" &&\r\n  intersection(field.typeOptions.reverseIndexNodeKeys)(\r\n    map(i => i.nodeKey())(node.indexes)\r\n  ).length > 0\r\n\r\nexport const fieldReversesReferenceToIndex = indexNode => field =>\r\n  field.type === \"reference\" &&\r\n  intersection(field.typeOptions.reverseIndexNodeKeys)([indexNode.nodeKey()])\r\n    .length > 0\r\n\r\nexport default {\r\n  getLastPartInKey,\r\n  getNodesInPath,\r\n  getExactNodeForKey,\r\n  hasMatchingAncestor,\r\n  getNode,\r\n  getNodeByKeyOrNodeKey,\r\n  isNode,\r\n  getActualKeyOfParent,\r\n  getParentKey,\r\n  isKeyAncestorOf,\r\n  hasNoMatchingAncestors,\r\n  findField,\r\n  isAncestor,\r\n  isDecendant,\r\n  getRecordNodeId,\r\n  getRecordNodeIdFromId,\r\n  getRecordNodeById,\r\n  recordNodeIdIsAllowed,\r\n  recordNodeIsAllowed,\r\n  getAllowedRecordNodesForIndex,\r\n  getNodeFromNodeKeyHash,\r\n  isTable,\r\n  isCollectionRecord,\r\n  isIndex,\r\n  isaggregateGroup,\r\n  isShardedIndex,\r\n  isRoot,\r\n  isDecendantOfARecord,\r\n  isGlobalIndex,\r\n  isReferenceIndex,\r\n  isAncestorIndex,\r\n  fieldReversesReferenceToNode,\r\n  fieldReversesReferenceToIndex,\r\n  getFlattenedHierarchy,\r\n}\r\n",
-    "import { merge } from \"lodash\"\r\nimport { constant, isUndefined, has, mapValues, cloneDeep } from \"lodash/fp\"\r\nimport { isNotEmpty } from \"../common\"\r\n\r\nexport const getSafeFieldParser = (tryParse, defaultValueFunctions) => (\r\n  field,\r\n  record\r\n) => {\r\n  if (has(field.name)(record)) {\r\n    return getSafeValueParser(\r\n      tryParse,\r\n      defaultValueFunctions\r\n    )(record[field.name])\r\n  }\r\n  return defaultValueFunctions[field.getUndefinedValue]()\r\n}\r\n\r\nexport const getSafeValueParser = (\r\n  tryParse,\r\n  defaultValueFunctions\r\n) => value => {\r\n  const parsed = tryParse(value)\r\n  if (parsed.success) {\r\n    return parsed.value\r\n  }\r\n  return defaultValueFunctions.default()\r\n}\r\n\r\nexport const getNewValue = (tryParse, defaultValueFunctions) => field => {\r\n  const getInitialValue =\r\n    isUndefined(field) || isUndefined(field.getInitialValue)\r\n      ? \"default\"\r\n      : field.getInitialValue\r\n\r\n  return has(getInitialValue)(defaultValueFunctions)\r\n    ? defaultValueFunctions[getInitialValue]()\r\n    : getSafeValueParser(tryParse, defaultValueFunctions)(getInitialValue)\r\n}\r\n\r\nexport const typeFunctions = specificFunctions =>\r\n  merge(\r\n    {\r\n      value: constant,\r\n      null: constant(null),\r\n    },\r\n    specificFunctions\r\n  )\r\n\r\nexport const validateTypeConstraints = validationRules => async (\r\n  field,\r\n  record,\r\n  context\r\n) => {\r\n  const fieldValue = record[field.name]\r\n  const validateRule = async r =>\r\n    !(await r.isValid(fieldValue, field.typeOptions, context))\r\n      ? r.getMessage(fieldValue, field.typeOptions)\r\n      : \"\"\r\n\r\n  const errors = []\r\n  for (const r of validationRules) {\r\n    const err = await validateRule(r)\r\n    if (isNotEmpty(err)) errors.push(err)\r\n  }\r\n\r\n  return errors\r\n}\r\n\r\nconst getDefaultOptions = mapValues(v => v.defaultValue)\r\n\r\nexport const makerule = (isValid, getMessage) => ({ isValid, getMessage })\r\nexport const parsedFailed = val => ({ success: false, value: val })\r\nexport const parsedSuccess = val => ({ success: true, value: val })\r\nexport const getDefaultExport = (\r\n  name,\r\n  tryParse,\r\n  functions,\r\n  options,\r\n  validationRules,\r\n  sampleValue,\r\n  stringify\r\n) => ({\r\n  getNew: getNewValue(tryParse, functions),\r\n  safeParseField: getSafeFieldParser(tryParse, functions),\r\n  safeParseValue: getSafeValueParser(tryParse, functions),\r\n  tryParse,\r\n  name,\r\n  getDefaultOptions: () => getDefaultOptions(cloneDeep(options)),\r\n  optionDefinitions: options,\r\n  validateTypeConstraints: validateTypeConstraints(validationRules),\r\n  sampleValue,\r\n  stringify: val => (val === null || val === undefined ? \"\" : stringify(val)),\r\n  getDefaultValue: functions.default,\r\n})\r\n",
+    "import { compileExpression, compileCode } from \"@nx-js/compiler-util\"\r\nimport { isUndefined, keys, cloneDeep, isFunction } from \"lodash/fp\"\r\nimport { defineError } from \"../common\"\r\n\r\nexport const filterEval = \"FILTER_EVALUATE\"\r\nexport const filterCompile = \"FILTER_COMPILE\"\r\nexport const mapEval = \"MAP_EVALUATE\"\r\nexport const mapCompile = \"MAP_COMPILE\"\r\nexport const removeUndeclaredFields = \"REMOVE_UNDECLARED_FIELDS\"\r\nexport const addUnMappedFields = \"ADD_UNMAPPED_FIELDS\"\r\nexport const addTheKey = \"ADD_KEY\"\r\n\r\nconst getEvaluateResult = () => ({\r\n  isError: false,\r\n  passedFilter: true,\r\n  result: null,\r\n})\r\n\r\nexport const compileFilter = index => compileExpression(index.filter)\r\n\r\nexport const compileMap = index => compileCode(index.map)\r\n\r\nexport const passesFilter = (row, index) => {\r\n  const context = { row }\r\n  if (!index.filter) return true\r\n\r\n  const compiledFilter = defineError(() => compileFilter(index), filterCompile)\r\n\r\n  return defineError(() => compiledFilter(context), filterEval)\r\n}\r\n\r\nexport const mapRow = (row, index) => {\r\n  const rowClone = cloneDeep(row)\r\n  const context = { row: rowClone }\r\n\r\n  const map = index.map ? index.map : \"return {...row};\"\r\n\r\n  const compiledMap = defineError(() => compileCode(map), mapCompile)\r\n\r\n  const mapped = defineError(() => compiledMap(context), mapEval)\r\n\r\n  const mappedKeys = keys(mapped)\r\n  for (let i = 0; i < mappedKeys.length; i++) {\r\n    const key = mappedKeys[i]\r\n    mapped[key] = isUndefined(mapped[key]) ? null : mapped[key]\r\n    if (isFunction(mapped[key])) {\r\n      delete mapped[key]\r\n    }\r\n  }\r\n\r\n  mapped.key = row.key\r\n  mapped.sortKey = index.getSortKey\r\n    ? compileCode(index.getSortKey)(context)\r\n    : row.id\r\n\r\n  return mapped\r\n}\r\n\r\nexport const evaluate = row => index => {\r\n  const result = getEvaluateResult()\r\n\r\n  try {\r\n    result.passedFilter = passesFilter(row, index)\r\n  } catch (err) {\r\n    result.isError = true\r\n    result.passedFilter = false\r\n    result.result = err.message\r\n  }\r\n\r\n  if (!result.passedFilter) return result\r\n\r\n  try {\r\n    result.result = mapRow(row, index)\r\n  } catch (err) {\r\n    result.isError = true\r\n    result.result = err.message\r\n  }\r\n\r\n  return result\r\n}\r\n\r\nexport default evaluate\r\n",
+    "import { map, isEmpty, countBy, flatten, includes, join, keys } from \"lodash/fp\"\r\nimport {} from \"lodash\"\r\nimport { applyRuleSet, makerule } from \"../common/validationCommon\"\r\nimport { compileFilter, compileMap } from \"../indexing/evaluate\"\r\nimport { isNonEmptyString, executesWithoutException, $ } from \"../common\"\r\nimport { isTable } from \"./hierarchy\"\r\n\r\nexport const indexTypes = { reference: \"reference\", ancestor: \"ancestor\" }\r\n\r\nexport const indexRuleSet = [\r\n  makerule(\"map\", \"index has no map function\", index =>\r\n    isNonEmptyString(index.map)\r\n  ),\r\n  makerule(\r\n    \"map\",\r\n    \"index's map function does not compile\",\r\n    index =>\r\n      !isNonEmptyString(index.map) ||\r\n      executesWithoutException(() => compileMap(index))\r\n  ),\r\n  makerule(\r\n    \"filter\",\r\n    \"index's filter function does not compile\",\r\n    index =>\r\n      !isNonEmptyString(index.filter) ||\r\n      executesWithoutException(() => compileFilter(index))\r\n  ),\r\n  makerule(\"name\", \"must declare a name for index\", index =>\r\n    isNonEmptyString(index.name)\r\n  ),\r\n  makerule(\r\n    \"name\",\r\n    \"there is a duplicate named index on this node\",\r\n    index =>\r\n      isEmpty(index.name) ||\r\n      countBy(\"name\")(index.parent().indexes)[index.name] === 1\r\n  ),\r\n  makerule(\r\n    \"indexType\",\r\n    \"reference index may only exist on a row node\",\r\n    index =>\r\n      isTable(index.parent()) || index.indexType !== indexTypes.reference\r\n  ),\r\n  makerule(\r\n    \"indexType\",\r\n    `index type must be one of: ${join(\", \")(keys(indexTypes))}`,\r\n    index => includes(index.indexType)(keys(indexTypes))\r\n  ),\r\n]\r\n\r\nexport const validateIndex = (index, allReferenceIndexesOnNode) =>\r\n  applyRuleSet(indexRuleSet(allReferenceIndexesOnNode))(index)\r\n\r\nexport const validateAllIndexes = node =>\r\n  $(node.indexes, [map(i => validateIndex(i, node.indexes)), flatten])\r\n",
+    "import {\r\n  find,\r\n  constant,\r\n  map,\r\n  last,\r\n  first,\r\n  split,\r\n  intersection,\r\n  take,\r\n  union,\r\n  includes,\r\n  filter,\r\n  some,\r\n} from \"lodash/fp\"\r\nimport {\r\n  $,\r\n  switchCase,\r\n  isNothing,\r\n  isSomething,\r\n  defaultCase,\r\n  splitKey,\r\n  isNonEmptyString,\r\n  joinKey,\r\n  getHashCode,\r\n} from \"../common\"\r\nimport { indexTypes } from \"./indexes\"\r\n\r\nexport const getFlattenedHierarchy = (appHierarchy, useCached = true) => {\r\n  if (isSomething(appHierarchy.getFlattenedHierarchy) && useCached) {\r\n    return appHierarchy.getFlattenedHierarchy()\r\n  }\r\n\r\n  const flattenHierarchy = (currentNode, flattened) => {\r\n    flattened.push(currentNode)\r\n    if (\r\n      (!currentNode.children || currentNode.children.length === 0) &&\r\n      (!currentNode.indexes || currentNode.indexes.length === 0) &&\r\n      (!currentNode.aggregateGroups || currentNode.aggregateGroups.length === 0)\r\n    ) {\r\n      return flattened\r\n    }\r\n\r\n    const unionIfAny = l2 => l1 => union(l1)(!l2 ? [] : l2)\r\n\r\n    const children = $(\r\n      [],\r\n      [\r\n        unionIfAny(currentNode.children),\r\n        unionIfAny(currentNode.indexes),\r\n        unionIfAny(currentNode.aggregateGroups),\r\n      ]\r\n    )\r\n\r\n    for (const child of children) {\r\n      flattenHierarchy(child, flattened)\r\n    }\r\n    return flattened\r\n  }\r\n\r\n  appHierarchy.getFlattenedHierarchy = () => flattenHierarchy(appHierarchy, [])\r\n  return appHierarchy.getFlattenedHierarchy()\r\n}\r\n\r\nexport const getLastPartInKey = key => last(splitKey(key))\r\n\r\nexport const getNodesInPath = appHierarchy => key =>\r\n  $(appHierarchy, [\r\n    getFlattenedHierarchy,\r\n    filter(n => new RegExp(`${n.pathRegx()}`).test(key)),\r\n  ])\r\n\r\nexport const getExactNodeForKey = appHierarchy => key =>\r\n  $(appHierarchy, [\r\n    getFlattenedHierarchy,\r\n    find(n => new RegExp(`${n.pathRegx()}$`).test(key)),\r\n  ])\r\n\r\nexport const getNodeForCollectionPath = appHierarchy => collectionKey =>\r\n  $(appHierarchy, [\r\n    getFlattenedHierarchy,\r\n    find(\r\n      n =>\r\n        isCollectionRow(n) &&\r\n        new RegExp(`${n.collectionPathRegx()}$`).test(collectionKey)\r\n    ),\r\n  ])\r\n\r\nexport const hasMatchingAncestor = ancestorPredicate => decendantNode =>\r\n  switchCase(\r\n    [node => isNothing(node.parent()), constant(false)],\r\n\r\n    [node => ancestorPredicate(node.parent()), constant(true)],\r\n\r\n    [defaultCase, node => hasMatchingAncestor(ancestorPredicate)(node.parent())]\r\n  )(decendantNode)\r\n\r\nexport const getNode = (appHierarchy, nodeKey) =>\r\n  $(appHierarchy, [\r\n    getFlattenedHierarchy,\r\n    find(\r\n      n =>\r\n        n.nodeKey() === nodeKey ||\r\n        (isCollectionRow(n) && n.collectionNodeKey() === nodeKey)\r\n    ),\r\n  ])\r\n\r\nexport const getCollectionNode = (appHierarchy, nodeKey) =>\r\n  $(appHierarchy, [\r\n    getFlattenedHierarchy,\r\n    find(n => isCollectionRow(n) && n.collectionNodeKey() === nodeKey),\r\n  ])\r\n\r\nexport const getNodeByKeyOrNodeKey = (appHierarchy, keyOrNodeKey) => {\r\n  const nodeByKey = getExactNodeForKey(appHierarchy)(keyOrNodeKey)\r\n  return isNothing(nodeByKey) ? getNode(appHierarchy, keyOrNodeKey) : nodeByKey\r\n}\r\n\r\nexport const getCollectionNodeByKeyOrNodeKey = (appHierarchy, keyOrNodeKey) => {\r\n  const nodeByKey = getNodeForCollectionPath(appHierarchy)(keyOrNodeKey)\r\n  return isNothing(nodeByKey)\r\n    ? getCollectionNode(appHierarchy, keyOrNodeKey)\r\n    : nodeByKey\r\n}\r\n\r\nexport const isNode = (appHierarchy, key) =>\r\n  isSomething(getExactNodeForKey(appHierarchy)(key))\r\n\r\nexport const getActualKeyOfParent = (parentNodeKey, actualChildKey) =>\r\n  $(actualChildKey, [\r\n    splitKey,\r\n    take(splitKey(parentNodeKey).length),\r\n    ks => joinKey(...ks),\r\n  ])\r\n\r\nexport const getParentKey = key => {\r\n  return $(key, [splitKey, take(splitKey(key).length - 1), joinKey])\r\n}\r\n\r\nexport const isKeyAncestorOf = ancestorKey => decendantNode =>\r\n  hasMatchingAncestor(p => p.nodeKey() === ancestorKey)(decendantNode)\r\n\r\nexport const hasNoMatchingAncestors = parentPredicate => node =>\r\n  !hasMatchingAncestor(parentPredicate)(node)\r\n\r\nexport const findField = (rowNode, fieldName) =>\r\n  find(f => f.name == fieldName)(rowNode.fields)\r\n\r\nexport const isAncestor = decendant => ancestor =>\r\n  isKeyAncestorOf(ancestor.nodeKey())(decendant)\r\n\r\nexport const isDecendant = ancestor => decendant =>\r\n  isAncestor(decendant)(ancestor)\r\n\r\nexport const getRowNodeId = rowKey =>\r\n  $(rowKey, [splitKey, last, getRowNodeIdFromId])\r\n\r\nexport const getRowNodeIdFromId = rowId =>\r\n  $(rowId, [split(\"-\"), first, parseInt])\r\n\r\nexport const getRowNodeById = (hierarchy, rowId) =>\r\n  $(hierarchy, [\r\n    getFlattenedHierarchy,\r\n    find(n => isTable(n) && n.nodeId === getRowNodeIdFromId(rowId)),\r\n  ])\r\n\r\nexport const rowNodeIdIsAllowed = indexNode => nodeId =>\r\n  indexNode.allowedTableNodeIds.length === 0 ||\r\n  includes(nodeId)(indexNode.allowedTableNodeIds)\r\n\r\nexport const rowNodeIsAllowed = indexNode => rowNode =>\r\n  rowNodeIdIsAllowed(indexNode)(rowNode.nodeId)\r\n\r\nexport const getAllowedRowNodesForIndex = (appHierarchy, indexNode) => {\r\n  const rowNodes = $(appHierarchy, [getFlattenedHierarchy, filter(isTable)])\r\n\r\n  if (isGlobalIndex(indexNode)) {\r\n    return $(rowNodes, [filter(rowNodeIsAllowed(indexNode))])\r\n  }\r\n\r\n  if (isAncestorIndex(indexNode)) {\r\n    return $(rowNodes, [\r\n      filter(isDecendant(indexNode.parent())),\r\n      filter(rowNodeIsAllowed(indexNode)),\r\n    ])\r\n  }\r\n\r\n  if (isReferenceIndex(indexNode)) {\r\n    return $(rowNodes, [\r\n      filter(n => some(fieldReversesReferenceToIndex(indexNode))(n.fields)),\r\n    ])\r\n  }\r\n}\r\n\r\nexport const getNodeFromNodeKeyHash = hierarchy => hash =>\r\n  $(hierarchy, [\r\n    getFlattenedHierarchy,\r\n    find(n => getHashCode(n.nodeKey()) === hash),\r\n  ])\r\n\r\nexport const isTable = node => isSomething(node) && node.type === \"row\"\r\nexport const isSingleRow = node => isTable(node) && node.isSingle\r\nexport const isCollectionRow = node => isTable(node) && !node.isSingle\r\nexport const isIndex = node => isSomething(node) && node.type === \"index\"\r\nexport const isaggregateGroup = node =>\r\n  isSomething(node) && node.type === \"aggregateGroup\"\r\nexport const isShardedIndex = node =>\r\n  isIndex(node) && isNonEmptyString(node.getShardName)\r\nexport const isRoot = node => isSomething(node) && node.isRoot()\r\nexport const isDecendantOfARow = hasMatchingAncestor(isTable)\r\nexport const isGlobalIndex = node => isIndex(node) && isRoot(node.parent())\r\nexport const isReferenceIndex = node =>\r\n  isIndex(node) && node.indexType === indexTypes.reference\r\nexport const isAncestorIndex = node =>\r\n  isIndex(node) && node.indexType === indexTypes.ancestor\r\n\r\nexport const fieldReversesReferenceToNode = node => field =>\r\n  field.type === \"reference\" &&\r\n  intersection(field.typeOptions.reverseIndexNodeKeys)(\r\n    map(i => i.nodeKey())(node.indexes)\r\n  ).length > 0\r\n\r\nexport const fieldReversesReferenceToIndex = indexNode => field =>\r\n  field.type === \"reference\" &&\r\n  intersection(field.typeOptions.reverseIndexNodeKeys)([indexNode.nodeKey()])\r\n    .length > 0\r\n\r\nexport default {\r\n  getLastPartInKey,\r\n  getNodesInPath,\r\n  getExactNodeForKey,\r\n  hasMatchingAncestor,\r\n  getNode,\r\n  getNodeByKeyOrNodeKey,\r\n  isNode,\r\n  getActualKeyOfParent,\r\n  getParentKey,\r\n  isKeyAncestorOf,\r\n  hasNoMatchingAncestors,\r\n  findField,\r\n  isAncestor,\r\n  isDecendant,\r\n  getRowNodeId,\r\n  getRowNodeIdFromId,\r\n  getRowNodeById,\r\n  rowNodeIdIsAllowed,\r\n  rowNodeIsAllowed,\r\n  getAllowedRowNodesForIndex,\r\n  getNodeFromNodeKeyHash,\r\n  isTable,\r\n  isCollectionRow,\r\n  isIndex,\r\n  isaggregateGroup,\r\n  isShardedIndex,\r\n  isRoot,\r\n  isDecendantOfARow,\r\n  isGlobalIndex,\r\n  isReferenceIndex,\r\n  isAncestorIndex,\r\n  fieldReversesReferenceToNode,\r\n  fieldReversesReferenceToIndex,\r\n  getFlattenedHierarchy,\r\n}\r\n",
+    "import { merge } from \"lodash\"\r\nimport { constant, isUndefined, has, mapValues, cloneDeep } from \"lodash/fp\"\r\nimport { isNotEmpty } from \"../common\"\r\n\r\nexport const getSafeFieldParser = (tryParse, defaultValueFunctions) => (\r\n  field,\r\n  row\r\n) => {\r\n  if (has(field.name)(row)) {\r\n    return getSafeValueParser(\r\n      tryParse,\r\n      defaultValueFunctions\r\n    )(row[field.name])\r\n  }\r\n  return defaultValueFunctions[field.getUndefinedValue]()\r\n}\r\n\r\nexport const getSafeValueParser = (\r\n  tryParse,\r\n  defaultValueFunctions\r\n) => value => {\r\n  const parsed = tryParse(value)\r\n  if (parsed.success) {\r\n    return parsed.value\r\n  }\r\n  return defaultValueFunctions.default()\r\n}\r\n\r\nexport const getNewValue = (tryParse, defaultValueFunctions) => field => {\r\n  const getInitialValue =\r\n    isUndefined(field) || isUndefined(field.getInitialValue)\r\n      ? \"default\"\r\n      : field.getInitialValue\r\n\r\n  return has(getInitialValue)(defaultValueFunctions)\r\n    ? defaultValueFunctions[getInitialValue]()\r\n    : getSafeValueParser(tryParse, defaultValueFunctions)(getInitialValue)\r\n}\r\n\r\nexport const typeFunctions = specificFunctions =>\r\n  merge(\r\n    {\r\n      value: constant,\r\n      null: constant(null),\r\n    },\r\n    specificFunctions\r\n  )\r\n\r\nexport const validateTypeConstraints = validationRules => async (\r\n  field,\r\n  row,\r\n  context\r\n) => {\r\n  const fieldValue = row[field.name]\r\n  const validateRule = async r =>\r\n    !(await r.isValid(fieldValue, field.typeOptions, context))\r\n      ? r.getMessage(fieldValue, field.typeOptions)\r\n      : \"\"\r\n\r\n  const errors = []\r\n  for (const r of validationRules) {\r\n    const err = await validateRule(r)\r\n    if (isNotEmpty(err)) errors.push(err)\r\n  }\r\n\r\n  return errors\r\n}\r\n\r\nconst getDefaultOptions = mapValues(v => v.defaultValue)\r\n\r\nexport const makerule = (isValid, getMessage) => ({ isValid, getMessage })\r\nexport const parsedFailed = val => ({ success: false, value: val })\r\nexport const parsedSuccess = val => ({ success: true, value: val })\r\nexport const getDefaultExport = (\r\n  name,\r\n  tryParse,\r\n  functions,\r\n  options,\r\n  validationRules,\r\n  sampleValue,\r\n  stringify\r\n) => ({\r\n  getNew: getNewValue(tryParse, functions),\r\n  safeParseField: getSafeFieldParser(tryParse, functions),\r\n  safeParseValue: getSafeValueParser(tryParse, functions),\r\n  tryParse,\r\n  name,\r\n  getDefaultOptions: () => getDefaultOptions(cloneDeep(options)),\r\n  optionDefinitions: options,\r\n  validateTypeConstraints: validateTypeConstraints(validationRules),\r\n  sampleValue,\r\n  stringify: val => (val === null || val === undefined ? \"\" : stringify(val)),\r\n  getDefaultValue: functions.default,\r\n})\r\n",
     "import { constant, isString, isNull, includes, isBoolean } from \"lodash/fp\"\r\nimport {\r\n  typeFunctions,\r\n  makerule,\r\n  parsedSuccess,\r\n  getDefaultExport,\r\n} from \"./typeHelpers\"\r\nimport {\r\n  switchCase,\r\n  defaultCase,\r\n  toBoolOrNull,\r\n  toNumberOrNull,\r\n  isSafeInteger,\r\n  isArrayOfString,\r\n} from \"../common\"\r\n\r\nconst stringFunctions = typeFunctions({\r\n  default: constant(null),\r\n})\r\n\r\nconst stringTryParse = switchCase(\r\n  [isString, parsedSuccess],\r\n  [isNull, parsedSuccess],\r\n  [defaultCase, v => parsedSuccess(v.toString())]\r\n)\r\n\r\nconst options = {\r\n  maxLength: {\r\n    defaultValue: null,\r\n    isValid: n => n === null || (isSafeInteger(n) && n > 0),\r\n    requirementDescription:\r\n      \"max length must be null (no limit) or a greater than zero integer\",\r\n    parse: toNumberOrNull,\r\n  },\r\n  values: {\r\n    defaultValue: null,\r\n    isValid: v =>\r\n      v === null || (isArrayOfString(v) && v.length > 0 && v.length < 10000),\r\n    requirementDescription:\r\n      \"'values' must be null (no values) or an arry of at least one string\",\r\n    parse: s => s,\r\n  },\r\n  allowDeclaredValuesOnly: {\r\n    defaultValue: false,\r\n    isValid: isBoolean,\r\n    requirementDescription: \"allowDeclaredValuesOnly must be true or false\",\r\n    parse: toBoolOrNull,\r\n  },\r\n}\r\n\r\nconst typeConstraints = [\r\n  makerule(\r\n    async (val, opts) =>\r\n      val === null || opts.maxLength === null || val.length <= opts.maxLength,\r\n    (val, opts) => `value exceeds maximum length of ${opts.maxLength}`\r\n  ),\r\n  makerule(\r\n    async (val, opts) =>\r\n      val === null ||\r\n      opts.allowDeclaredValuesOnly === false ||\r\n      includes(val)(opts.values),\r\n    val => `\"${val}\" does not exist in the list of allowed values`\r\n  ),\r\n]\r\n\r\nexport default getDefaultExport(\r\n  \"string\",\r\n  stringTryParse,\r\n  stringFunctions,\r\n  options,\r\n  typeConstraints,\r\n  \"abcde\",\r\n  str => str\r\n)\r\n",
     "import { constant, isBoolean, isNull } from \"lodash/fp\"\r\nimport {\r\n  typeFunctions,\r\n  makerule,\r\n  parsedFailed,\r\n  parsedSuccess,\r\n  getDefaultExport,\r\n} from \"./typeHelpers\"\r\nimport { switchCase, defaultCase, isOneOf, toBoolOrNull } from \"../common\"\r\n\r\nconst boolFunctions = typeFunctions({\r\n  default: constant(null),\r\n})\r\n\r\nconst boolTryParse = switchCase(\r\n  [isBoolean, parsedSuccess],\r\n  [isNull, parsedSuccess],\r\n  [isOneOf(\"true\", \"1\", \"yes\", \"on\"), () => parsedSuccess(true)],\r\n  [isOneOf(\"false\", \"0\", \"no\", \"off\"), () => parsedSuccess(false)],\r\n  [defaultCase, parsedFailed]\r\n)\r\n\r\nconst options = {\r\n  allowNulls: {\r\n    defaultValue: true,\r\n    isValid: isBoolean,\r\n    requirementDescription: \"must be a true or false\",\r\n    parse: toBoolOrNull,\r\n  },\r\n}\r\n\r\nconst typeConstraints = [\r\n  makerule(\r\n    async (val, opts) => opts.allowNulls === true || val !== null,\r\n    () => \"field cannot be null\"\r\n  ),\r\n]\r\n\r\nexport default getDefaultExport(\r\n  \"bool\",\r\n  boolTryParse,\r\n  boolFunctions,\r\n  options,\r\n  typeConstraints,\r\n  true,\r\n  JSON.stringify\r\n)\r\n",
     "import { constant, isNumber, isString, isNull } from \"lodash/fp\"\r\nimport {\r\n  makerule,\r\n  typeFunctions,\r\n  parsedFailed,\r\n  parsedSuccess,\r\n  getDefaultExport,\r\n} from \"./typeHelpers\"\r\nimport {\r\n  switchCase,\r\n  defaultCase,\r\n  toNumberOrNull,\r\n  isSafeInteger,\r\n} from \"../common\"\r\n\r\nconst numberFunctions = typeFunctions({\r\n  default: constant(null),\r\n})\r\n\r\nconst parseStringtoNumberOrNull = s => {\r\n  const num = Number(s)\r\n  return isNaN(num) ? parsedFailed(s) : parsedSuccess(num)\r\n}\r\n\r\nconst numberTryParse = switchCase(\r\n  [isNumber, parsedSuccess],\r\n  [isString, parseStringtoNumberOrNull],\r\n  [isNull, parsedSuccess],\r\n  [defaultCase, parsedFailed]\r\n)\r\n\r\nconst options = {\r\n  maxValue: {\r\n    defaultValue: Number.MAX_SAFE_INTEGER,\r\n    isValid: isSafeInteger,\r\n    requirementDescription: \"must be a valid integer\",\r\n    parse: toNumberOrNull,\r\n  },\r\n  minValue: {\r\n    defaultValue: 0 - Number.MAX_SAFE_INTEGER,\r\n    isValid: isSafeInteger,\r\n    requirementDescription: \"must be a valid integer\",\r\n    parse: toNumberOrNull,\r\n  },\r\n  decimalPlaces: {\r\n    defaultValue: 0,\r\n    isValid: n => isSafeInteger(n) && n >= 0,\r\n    requirementDescription: \"must be a positive integer\",\r\n    parse: toNumberOrNull,\r\n  },\r\n}\r\n\r\nconst getDecimalPlaces = val => {\r\n  const splitDecimal = val.toString().split(\".\")\r\n  if (splitDecimal.length === 1) return 0\r\n  return splitDecimal[1].length\r\n}\r\n\r\nconst typeConstraints = [\r\n  makerule(\r\n    async (val, opts) =>\r\n      val === null || opts.minValue === null || val >= opts.minValue,\r\n    (val, opts) =>\r\n      `value (${val.toString()}) must be greater than or equal to ${\r\n        opts.minValue\r\n      }`\r\n  ),\r\n  makerule(\r\n    async (val, opts) =>\r\n      val === null || opts.maxValue === null || val <= opts.maxValue,\r\n    (val, opts) =>\r\n      `value (${val.toString()}) must be less than or equal to ${\r\n        opts.minValue\r\n      } options`\r\n  ),\r\n  makerule(\r\n    async (val, opts) =>\r\n      val === null || opts.decimalPlaces >= getDecimalPlaces(val),\r\n    (val, opts) =>\r\n      `value (${val.toString()}) must have ${\r\n        opts.decimalPlaces\r\n      } decimal places or less`\r\n  ),\r\n]\r\n\r\nexport default getDefaultExport(\r\n  \"number\",\r\n  numberTryParse,\r\n  numberFunctions,\r\n  options,\r\n  typeConstraints,\r\n  1,\r\n  num => num.toString()\r\n)\r\n",
@@ -120,25 +120,25 @@
     "import { map, constant, isArray } from \"lodash/fp\"\r\nimport {\r\n  typeFunctions,\r\n  makerule,\r\n  parsedFailed,\r\n  getDefaultExport,\r\n  parsedSuccess,\r\n} from \"./typeHelpers\"\r\nimport {\r\n  switchCase,\r\n  defaultCase,\r\n  toNumberOrNull,\r\n  $$,\r\n  isSafeInteger,\r\n} from \"../common\"\r\n\r\nconst arrayFunctions = () =>\r\n  typeFunctions({\r\n    default: constant([]),\r\n  })\r\n\r\nconst mapToParsedArrary = type =>\r\n  $$(\r\n    map(i => type.safeParseValue(i)),\r\n    parsedSuccess\r\n  )\r\n\r\nconst arrayTryParse = type =>\r\n  switchCase([isArray, mapToParsedArrary(type)], [defaultCase, parsedFailed])\r\n\r\nconst typeName = type => `array<${type}>`\r\n\r\nconst options = {\r\n  maxLength: {\r\n    defaultValue: 10000,\r\n    isValid: isSafeInteger,\r\n    requirementDescription: \"must be a positive integer\",\r\n    parse: toNumberOrNull,\r\n  },\r\n  minLength: {\r\n    defaultValue: 0,\r\n    isValid: n => isSafeInteger(n) && n >= 0,\r\n    requirementDescription: \"must be a positive integer\",\r\n    parse: toNumberOrNull,\r\n  },\r\n}\r\n\r\nconst typeConstraints = [\r\n  makerule(\r\n    async (val, opts) => val === null || val.length >= opts.minLength,\r\n    (val, opts) => `must choose ${opts.minLength} or more options`\r\n  ),\r\n  makerule(\r\n    async (val, opts) => val === null || val.length <= opts.maxLength,\r\n    (val, opts) => `cannot choose more than ${opts.maxLength} options`\r\n  ),\r\n]\r\n\r\nexport default type =>\r\n  getDefaultExport(\r\n    typeName(type.name),\r\n    arrayTryParse(type),\r\n    arrayFunctions(type),\r\n    options,\r\n    typeConstraints,\r\n    [type.sampleValue],\r\n    JSON.stringify\r\n  )\r\n",
     "import { isString, isObjectLike, isNull, has, isEmpty } from \"lodash/fp\"\r\nimport {\r\n  typeFunctions,\r\n  makerule,\r\n  parsedSuccess,\r\n  getDefaultExport,\r\n  parsedFailed,\r\n} from \"./typeHelpers\"\r\nimport {\r\n  switchCase,\r\n  defaultCase,\r\n  isNonEmptyString,\r\n  isArrayOfString,\r\n} from \"../common\"\r\n\r\nconst referenceNothing = () => ({ key: \"\" })\r\n\r\nconst referenceFunctions = typeFunctions({\r\n  default: referenceNothing,\r\n})\r\n\r\nconst hasStringValue = (ob, path) => has(path)(ob) && isString(ob[path])\r\n\r\nconst isObjectWithKey = v => isObjectLike(v) && hasStringValue(v, \"key\")\r\n\r\nconst tryParseFromString = s => {\r\n  try {\r\n    const asObj = JSON.parse(s)\r\n    if (isObjectWithKey) {\r\n      return parsedSuccess(asObj)\r\n    }\r\n  } catch (_) {\r\n    // EMPTY\r\n  }\r\n\r\n  return parsedFailed(s)\r\n}\r\n\r\nconst referenceTryParse = v =>\r\n  switchCase(\r\n    [isObjectWithKey, parsedSuccess],\r\n    [isString, tryParseFromString],\r\n    [isNull, () => parsedSuccess(referenceNothing())],\r\n    [defaultCase, parsedFailed]\r\n  )(v)\r\n\r\nconst options = {\r\n  indexNodeKey: {\r\n    defaultValue: null,\r\n    isValid: isNonEmptyString,\r\n    requirementDescription: \"must be a non-empty string\",\r\n    parse: s => s,\r\n  },\r\n  displayValue: {\r\n    defaultValue: \"\",\r\n    isValid: isNonEmptyString,\r\n    requirementDescription: \"must be a non-empty string\",\r\n    parse: s => s,\r\n  },\r\n  reverseIndexNodeKeys: {\r\n    defaultValue: null,\r\n    isValid: v => isArrayOfString(v) && v.length > 0,\r\n    requirementDescription: \"must be a non-empty array of strings\",\r\n    parse: s => s,\r\n  },\r\n}\r\n\r\nconst isEmptyString = s => isString(s) && isEmpty(s)\r\n\r\nconst ensureReferenceExists = async (val, opts, context) =>\r\n  isEmptyString(val.key) || (await context.referenceExists(opts, val.key))\r\n\r\nconst typeConstraints = [\r\n  makerule(\r\n    ensureReferenceExists,\r\n    (val, opts) =>\r\n      `\"${val[opts.displayValue]}\" does not exist in options list (key: ${\r\n        val.key\r\n      })`\r\n  ),\r\n]\r\n\r\nexport default getDefaultExport(\r\n  \"reference\",\r\n  referenceTryParse,\r\n  referenceFunctions,\r\n  options,\r\n  typeConstraints,\r\n  { key: \"key\", value: \"value\" },\r\n  JSON.stringify\r\n)\r\n",
     "import { last, has, isString, intersection, isNull, isNumber } from \"lodash/fp\"\r\nimport {\r\n  typeFunctions,\r\n  parsedFailed,\r\n  parsedSuccess,\r\n  getDefaultExport,\r\n} from \"./typeHelpers\"\r\nimport { switchCase, defaultCase, none, $, splitKey } from \"../common\"\r\n\r\nconst illegalCharacters = \"*?\\\\/:<>|\\0\\b\\f\\v\"\r\n\r\nexport const isLegalFilename = filePath => {\r\n  const fn = fileName(filePath)\r\n  return (\r\n    fn.length <= 255 &&\r\n    intersection(fn.split(\"\"))(illegalCharacters.split(\"\")).length === 0 &&\r\n    none(f => f === \"..\")(splitKey(filePath))\r\n  )\r\n}\r\n\r\nconst fileNothing = () => ({ relativePath: \"\", size: 0 })\r\n\r\nconst fileFunctions = typeFunctions({\r\n  default: fileNothing,\r\n})\r\n\r\nconst fileTryParse = v =>\r\n  switchCase(\r\n    [isValidFile, parsedSuccess],\r\n    [isNull, () => parsedSuccess(fileNothing())],\r\n    [defaultCase, parsedFailed]\r\n  )(v)\r\n\r\nconst fileName = filePath => $(filePath, [splitKey, last])\r\n\r\nconst isValidFile = f =>\r\n  !isNull(f) &&\r\n  has(\"relativePath\")(f) &&\r\n  has(\"size\")(f) &&\r\n  isNumber(f.size) &&\r\n  isString(f.relativePath) &&\r\n  isLegalFilename(f.relativePath)\r\n\r\nconst options = {}\r\n\r\nconst typeConstraints = []\r\n\r\nexport default getDefaultExport(\r\n  \"file\",\r\n  fileTryParse,\r\n  fileFunctions,\r\n  options,\r\n  typeConstraints,\r\n  { relativePath: \"some_file.jpg\", size: 1000 },\r\n  JSON.stringify\r\n)\r\n",
-    "import { assign, merge } from \"lodash\"\r\nimport {\r\n  map,\r\n  isString,\r\n  isNumber,\r\n  isBoolean,\r\n  isDate,\r\n  keys,\r\n  isObject,\r\n  isArray,\r\n  has,\r\n} from \"lodash/fp\"\r\nimport { $ } from \"../common\"\r\nimport { parsedSuccess } from \"./typeHelpers\"\r\nimport string from \"./string\"\r\nimport bool from \"./bool\"\r\nimport number from \"./number\"\r\nimport datetime from \"./datetime\"\r\nimport array from \"./array\"\r\nimport reference from \"./reference\"\r\nimport file from \"./file\"\r\nimport { BadRequestError } from \"../common/errors\"\r\n\r\nconst allTypes = () => {\r\n  const basicTypes = {\r\n    string,\r\n    number,\r\n    datetime,\r\n    bool,\r\n    reference,\r\n    file,\r\n  }\r\n\r\n  const arrays = $(basicTypes, [\r\n    keys,\r\n    map(k => {\r\n      const kvType = {}\r\n      const concreteArray = array(basicTypes[k])\r\n      kvType[concreteArray.name] = concreteArray\r\n      return kvType\r\n    }),\r\n    types => assign({}, ...types),\r\n  ])\r\n\r\n  return merge({}, basicTypes, arrays)\r\n}\r\n\r\nexport const all = allTypes()\r\n\r\nexport const getType = typeName => {\r\n  if (!has(typeName)(all))\r\n    throw new BadRequestError(`Do not recognise type ${typeName}`)\r\n  return all[typeName]\r\n}\r\n\r\nexport const getSampleFieldValue = field => getType(field.type).sampleValue\r\n\r\nexport const getNewFieldValue = field => getType(field.type).getNew(field)\r\n\r\nexport const safeParseField = (field, record) =>\r\n  getType(field.type).safeParseField(field, record)\r\n\r\nexport const validateFieldParse = (field, record) =>\r\n  has(field.name)(record)\r\n    ? getType(field.type).tryParse(record[field.name])\r\n    : parsedSuccess(undefined) // fields may be undefined by default\r\n\r\nexport const getDefaultOptions = type => getType(type).getDefaultOptions()\r\n\r\nexport const validateTypeConstraints = async (field, record, context) =>\r\n  await getType(field.type).validateTypeConstraints(field, record, context)\r\n\r\nexport const detectType = value => {\r\n  if (isString(value)) return string\r\n  if (isBoolean(value)) return bool\r\n  if (isNumber(value)) return number\r\n  if (isDate(value)) return datetime\r\n  if (isArray(value)) return array(detectType(value[0]))\r\n  if (isObject(value) && has(\"key\")(value) && has(\"value\")(value))\r\n    return reference\r\n  if (isObject(value) && has(\"relativePath\")(value) && has(\"size\")(value))\r\n    return file\r\n\r\n  throw new BadRequestError(`cannot determine type: ${JSON.stringify(value)}`)\r\n}\r\n",
-    "import { clone, find, split } from \"lodash/fp\"\r\nimport { joinKey, $ } from \"../common\"\r\n// 5 minutes\r\nexport const tempCodeExpiryLength = 5 * 60 * 1000\r\n\r\nexport const AUTH_FOLDER = \"/.auth\"\r\nexport const USERS_LIST_FILE = joinKey(AUTH_FOLDER, \"users.json\")\r\nexport const userAuthFile = username =>\r\n  joinKey(AUTH_FOLDER, `auth_${username}.json`)\r\nexport const USERS_LOCK_FILE = joinKey(AUTH_FOLDER, \"users_lock\")\r\nexport const ACCESS_LEVELS_FILE = joinKey(AUTH_FOLDER, \"access_levels.json\")\r\nexport const ACCESS_LEVELS_LOCK_FILE = joinKey(\r\n  AUTH_FOLDER,\r\n  \"access_levels_lock\"\r\n)\r\n\r\nexport const permissionTypes = {\r\n  CREATE_RECORD: \"create record\",\r\n  UPDATE_RECORD: \"update record\",\r\n  READ_RECORD: \"read record\",\r\n  DELETE_RECORD: \"delete record\",\r\n  READ_INDEX: \"read index\",\r\n  MANAGE_INDEX: \"manage index\",\r\n  MANAGE_COLLECTION: \"manage collection\",\r\n  WRITE_TEMPLATES: \"write templates\",\r\n  CREATE_USER: \"create user\",\r\n  SET_PASSWORD: \"set password\",\r\n  CREATE_TEMPORARY_ACCESS: \"create temporary access\",\r\n  ENABLE_DISABLE_USER: \"enable or disable user\",\r\n  WRITE_ACCESS_LEVELS: \"write access levels\",\r\n  LIST_USERS: \"list users\",\r\n  LIST_ACCESS_LEVELS: \"list access levels\",\r\n  EXECUTE_ACTION: \"execute action\",\r\n  SET_USER_ACCESS_LEVELS: \"set user access levels\",\r\n}\r\n\r\nexport const getUserByName = (users, name) =>\r\n  $(users, [find(u => u.name.toLowerCase() === name.toLowerCase())])\r\n\r\nexport const stripUserOfSensitiveStuff = user => {\r\n  const stripped = clone(user)\r\n  delete stripped.tempCode\r\n  return stripped\r\n}\r\n\r\nexport const parseTemporaryCode = fullCode =>\r\n  $(fullCode, [\r\n    split(\":\"),\r\n    parts => ({\r\n      id: parts[1],\r\n      code: parts[2],\r\n    }),\r\n  ])\r\n",
+    "import { assign, merge } from \"lodash\"\r\nimport {\r\n  map,\r\n  isString,\r\n  isNumber,\r\n  isBoolean,\r\n  isDate,\r\n  keys,\r\n  isObject,\r\n  isArray,\r\n  has,\r\n} from \"lodash/fp\"\r\nimport { $ } from \"../common\"\r\nimport { parsedSuccess } from \"./typeHelpers\"\r\nimport string from \"./string\"\r\nimport bool from \"./bool\"\r\nimport number from \"./number\"\r\nimport datetime from \"./datetime\"\r\nimport array from \"./array\"\r\nimport reference from \"./reference\"\r\nimport file from \"./file\"\r\nimport { BadRequestError } from \"../common/errors\"\r\n\r\nconst allTypes = () => {\r\n  const basicTypes = {\r\n    string,\r\n    number,\r\n    datetime,\r\n    bool,\r\n    reference,\r\n    file,\r\n  }\r\n\r\n  const arrays = $(basicTypes, [\r\n    keys,\r\n    map(k => {\r\n      const kvType = {}\r\n      const concreteArray = array(basicTypes[k])\r\n      kvType[concreteArray.name] = concreteArray\r\n      return kvType\r\n    }),\r\n    types => assign({}, ...types),\r\n  ])\r\n\r\n  return merge({}, basicTypes, arrays)\r\n}\r\n\r\nexport const all = allTypes()\r\n\r\nexport const getType = typeName => {\r\n  if (!has(typeName)(all))\r\n    throw new BadRequestError(`Do not recognise type ${typeName}`)\r\n  return all[typeName]\r\n}\r\n\r\nexport const getSampleFieldValue = field => getType(field.type).sampleValue\r\n\r\nexport const getNewFieldValue = field => getType(field.type).getNew(field)\r\n\r\nexport const safeParseField = (field, row) =>\r\n  getType(field.type).safeParseField(field, row)\r\n\r\nexport const validateFieldParse = (field, row) =>\r\n  has(field.name)(row)\r\n    ? getType(field.type).tryParse(row[field.name])\r\n    : parsedSuccess(undefined) // fields may be undefined by default\r\n\r\nexport const getDefaultOptions = type => getType(type).getDefaultOptions()\r\n\r\nexport const validateTypeConstraints = async (field, row, context) =>\r\n  await getType(field.type).validateTypeConstraints(field, row, context)\r\n\r\nexport const detectType = value => {\r\n  if (isString(value)) return string\r\n  if (isBoolean(value)) return bool\r\n  if (isNumber(value)) return number\r\n  if (isDate(value)) return datetime\r\n  if (isArray(value)) return array(detectType(value[0]))\r\n  if (isObject(value) && has(\"key\")(value) && has(\"value\")(value))\r\n    return reference\r\n  if (isObject(value) && has(\"relativePath\")(value) && has(\"size\")(value))\r\n    return file\r\n\r\n  throw new BadRequestError(`cannot determine type: ${JSON.stringify(value)}`)\r\n}\r\n",
+    "import { clone, find, split } from \"lodash/fp\"\r\nimport { joinKey, $ } from \"../common\"\r\n// 5 minutes\r\nexport const tempCodeExpiryLength = 5 * 60 * 1000\r\n\r\nexport const AUTH_FOLDER = \"/.auth\"\r\nexport const USERS_LIST_FILE = joinKey(AUTH_FOLDER, \"users.json\")\r\nexport const userAuthFile = username =>\r\n  joinKey(AUTH_FOLDER, `auth_${username}.json`)\r\nexport const USERS_LOCK_FILE = joinKey(AUTH_FOLDER, \"users_lock\")\r\nexport const ACCESS_LEVELS_FILE = joinKey(AUTH_FOLDER, \"access_levels.json\")\r\nexport const ACCESS_LEVELS_LOCK_FILE = joinKey(\r\n  AUTH_FOLDER,\r\n  \"access_levels_lock\"\r\n)\r\n\r\nexport const permissionTypes = {\r\n  CREATE_ROW: \"create row\",\r\n  UPDATE_ROW: \"update row\",\r\n  READ_ROW: \"read row\",\r\n  DELETE_ROW: \"delete row\",\r\n  READ_INDEX: \"read index\",\r\n  MANAGE_INDEX: \"manage index\",\r\n  MANAGE_COLLECTION: \"manage collection\",\r\n  WRITE_TEMPLATES: \"write templates\",\r\n  CREATE_USER: \"create user\",\r\n  SET_PASSWORD: \"set password\",\r\n  CREATE_TEMPORARY_ACCESS: \"create temporary access\",\r\n  ENABLE_DISABLE_USER: \"enable or disable user\",\r\n  WRITE_ACCESS_LEVELS: \"write access levels\",\r\n  LIST_USERS: \"list users\",\r\n  LIST_ACCESS_LEVELS: \"list access levels\",\r\n  EXECUTE_ACTION: \"execute action\",\r\n  SET_USER_ACCESS_LEVELS: \"set user access levels\",\r\n}\r\n\r\nexport const getUserByName = (users, name) =>\r\n  $(users, [find(u => u.name.toLowerCase() === name.toLowerCase())])\r\n\r\nexport const stripUserOfSensitiveStuff = user => {\r\n  const stripped = clone(user)\r\n  delete stripped.tempCode\r\n  return stripped\r\n}\r\n\r\nexport const parseTemporaryCode = fullCode =>\r\n  $(fullCode, [\r\n    split(\":\"),\r\n    parts => ({\r\n      id: parts[1],\r\n      code: parts[2],\r\n    }),\r\n  ])\r\n",
     "import { values, includes, some } from \"lodash/fp\"\r\nimport { permissionTypes } from \"./authCommon\"\r\nimport { $, isNothing, apiWrapperSync, events } from \"../common\"\r\nimport { getNodeByKeyOrNodeKey, isNode } from \"../templateApi/hierarchy\"\r\nimport { alwaysAuthorized } from \"./permissions\"\r\n\r\nexport const isAuthorized = app => (permissionType, resourceKey) =>\r\n  apiWrapperSync(\r\n    app,\r\n    events.authApi.isAuthorized,\r\n    alwaysAuthorized,\r\n    { resourceKey, permissionType },\r\n    _isAuthorized,\r\n    app,\r\n    permissionType,\r\n    resourceKey\r\n  )\r\n\r\nexport const _isAuthorized = (app, permissionType, resourceKey) => {\r\n  if (!app.user) {\r\n    return false\r\n  }\r\n\r\n  const validType = $(permissionTypes, [values, includes(permissionType)])\r\n\r\n  if (!validType) {\r\n    return false\r\n  }\r\n\r\n  const permMatchesResource = userperm => {\r\n    const nodeKey = isNothing(resourceKey)\r\n      ? null\r\n      : isNode(app.hierarchy, resourceKey)\r\n      ? getNodeByKeyOrNodeKey(app.hierarchy, resourceKey).nodeKey()\r\n      : resourceKey\r\n\r\n    return (\r\n      userperm.type === permissionType &&\r\n      (isNothing(resourceKey) || nodeKey === userperm.nodeKey)\r\n    )\r\n  }\r\n\r\n  return $(app.user.permissions, [some(permMatchesResource)])\r\n}\r\n",
-    "import { permissionTypes } from \"./authCommon\"\r\nimport { isAuthorized } from \"./isAuthorized\"\r\n\r\nexport const temporaryAccessPermissions = () => [\r\n  { type: permissionTypes.SET_PASSWORD },\r\n]\r\n\r\nconst nodePermission = type => ({\r\n  add: (nodeKey, accessLevel) =>\r\n    accessLevel.permissions.push({ type, nodeKey }),\r\n  isAuthorized: resourceKey => app => isAuthorized(app)(type, resourceKey),\r\n  isNode: true,\r\n  get: nodeKey => ({ type, nodeKey }),\r\n})\r\n\r\nconst staticPermission = type => ({\r\n  add: accessLevel => accessLevel.permissions.push({ type }),\r\n  isAuthorized: app => isAuthorized(app)(type),\r\n  isNode: false,\r\n  get: () => ({ type }),\r\n})\r\n\r\nconst createRecord = nodePermission(permissionTypes.CREATE_RECORD)\r\n\r\nconst updateRecord = nodePermission(permissionTypes.UPDATE_RECORD)\r\n\r\nconst deleteRecord = nodePermission(permissionTypes.DELETE_RECORD)\r\n\r\nconst readRecord = nodePermission(permissionTypes.READ_RECORD)\r\n\r\nconst writeTemplates = staticPermission(permissionTypes.WRITE_TEMPLATES)\r\n\r\nconst createUser = staticPermission(permissionTypes.CREATE_USER)\r\n\r\nconst setPassword = staticPermission(permissionTypes.SET_PASSWORD)\r\n\r\nconst readIndex = nodePermission(permissionTypes.READ_INDEX)\r\n\r\nconst manageIndex = staticPermission(permissionTypes.MANAGE_INDEX)\r\n\r\nconst manageCollection = staticPermission(permissionTypes.MANAGE_COLLECTION)\r\n\r\nconst createTemporaryAccess = staticPermission(\r\n  permissionTypes.CREATE_TEMPORARY_ACCESS\r\n)\r\n\r\nconst enableDisableUser = staticPermission(permissionTypes.ENABLE_DISABLE_USER)\r\n\r\nconst writeAccessLevels = staticPermission(permissionTypes.WRITE_ACCESS_LEVELS)\r\n\r\nconst listUsers = staticPermission(permissionTypes.LIST_USERS)\r\n\r\nconst listAccessLevels = staticPermission(permissionTypes.LIST_ACCESS_LEVELS)\r\n\r\nconst setUserAccessLevels = staticPermission(\r\n  permissionTypes.SET_USER_ACCESS_LEVELS\r\n)\r\n\r\nconst executeAction = nodePermission(permissionTypes.EXECUTE_ACTION)\r\n\r\nexport const alwaysAuthorized = () => true\r\n\r\nexport const permission = {\r\n  createRecord,\r\n  updateRecord,\r\n  deleteRecord,\r\n  readRecord,\r\n  writeTemplates,\r\n  createUser,\r\n  setPassword,\r\n  readIndex,\r\n  createTemporaryAccess,\r\n  enableDisableUser,\r\n  writeAccessLevels,\r\n  listUsers,\r\n  listAccessLevels,\r\n  manageIndex,\r\n  manageCollection,\r\n  executeAction,\r\n  setUserAccessLevels,\r\n}\r\n",
-    "import { keyBy, mapValues } from \"lodash/fp\"\r\nimport { generate } from \"shortid\"\r\nimport {\r\n  getNodeForCollectionPath,\r\n  isSingleRecord,\r\n} from \"../templateApi/hierarchy\"\r\nimport { getNewFieldValue } from \"../types\"\r\nimport { $, joinKey, safeKey, apiWrapperSync, events } from \"../common\"\r\nimport { permission } from \"../authApi/permissions\"\r\n\r\nexport const getNew = app => (collectionKey, recordTypeName) => {\r\n  const recordNode = getRecordNode(app, collectionKey, recordTypeName)\r\n  collectionKey = safeKey(collectionKey)\r\n  return apiWrapperSync(\r\n    app,\r\n    events.recordApi.getNew,\r\n    permission.createRecord.isAuthorized(recordNode.nodeKey()),\r\n    { collectionKey, recordTypeName },\r\n    _getNew,\r\n    recordNode,\r\n    collectionKey\r\n  )\r\n}\r\n\r\nexport const _getNew = (recordNode, collectionKey) =>\r\n  constructRecord(recordNode, getNewFieldValue, collectionKey)\r\n\r\nconst getRecordNode = (app, collectionKey) => {\r\n  collectionKey = safeKey(collectionKey)\r\n  return getNodeForCollectionPath(app.hierarchy)(collectionKey)\r\n}\r\n\r\nexport const getNewChild = app => (recordKey, collectionName, recordTypeName) =>\r\n  getNew(app)(joinKey(recordKey, collectionName), recordTypeName)\r\n\r\nexport const constructRecord = (recordNode, getFieldValue, collectionKey) => {\r\n  const record = $(recordNode.fields, [keyBy(\"name\"), mapValues(getFieldValue)])\r\n\r\n  record.id = `${recordNode.nodeId}-${generate()}`\r\n  record.key = isSingleRecord(recordNode)\r\n    ? joinKey(collectionKey, recordNode.name)\r\n    : joinKey(collectionKey, record.id)\r\n  record.isNew = true\r\n  record.type = recordNode.name\r\n  return record\r\n}\r\n",
-    "import { each, find } from \"lodash\"\r\nimport { map, max, constant } from \"lodash/fp\"\r\nimport {\r\n  switchCase,\r\n  defaultCase,\r\n  joinKey,\r\n  $,\r\n  isNothing,\r\n  isSomething,\r\n} from \"../common\"\r\nimport {\r\n  isIndex,\r\n  isRoot,\r\n  isSingleRecord,\r\n  isCollectionRecord,\r\n  isTable,\r\n  isaggregateGroup,\r\n  getFlattenedHierarchy,\r\n} from \"./hierarchy\"\r\nimport { all } from \"../types\"\r\nimport { BadRequestError } from \"../common/errors\"\r\n\r\nexport const createNodeErrors = {\r\n  indexCannotBeParent: \"Index template cannot be a parent\",\r\n  allNonRootNodesMustHaveParent: \"Only the root node may have no parent\",\r\n  indexParentMustBeRecordOrRoot:\r\n    \"An index may only have a record or root as a parent\",\r\n  aggregateParentMustBeAnIndex: \"aggregateGroup parent must be an index\",\r\n}\r\n\r\nconst pathRegxMaker = node => () =>\r\n  node.nodeKey().replace(/{id}/g, \"[a-zA-Z0-9_-]+\")\r\n\r\nconst nodeKeyMaker = node => () =>\r\n  switchCase(\r\n    [\r\n      n => isTable(n) && !isSingleRecord(n),\r\n      n =>\r\n        joinKey(\r\n          node.parent().nodeKey(),\r\n          node.collectionName,\r\n          `${n.nodeId}-{id}`\r\n        ),\r\n    ],\r\n\r\n    [isRoot, constant(\"/\")],\r\n\r\n    [defaultCase, n => joinKey(node.parent().nodeKey(), n.name)]\r\n  )(node)\r\n\r\nconst validate = parent => node => {\r\n  if (\r\n    isIndex(node) &&\r\n    isSomething(parent) &&\r\n    !isRoot(parent) &&\r\n    !isTable(parent)\r\n  ) {\r\n    throw new BadRequestError(createNodeErrors.indexParentMustBeRecordOrRoot)\r\n  }\r\n\r\n  if (isaggregateGroup(node) && isSomething(parent) && !isIndex(parent)) {\r\n    throw new BadRequestError(createNodeErrors.aggregateParentMustBeAnIndex)\r\n  }\r\n\r\n  if (isNothing(parent) && !isRoot(node)) {\r\n    throw new BadRequestError(createNodeErrors.allNonRootNodesMustHaveParent)\r\n  }\r\n\r\n  return node\r\n}\r\n\r\nconst construct = parent => node => {\r\n  node.nodeKey = nodeKeyMaker(node)\r\n  node.pathRegx = pathRegxMaker(node)\r\n  node.parent = constant(parent)\r\n  node.isRoot = () =>\r\n    isNothing(parent) && node.name === \"root\" && node.type === \"root\"\r\n  if (isCollectionRecord(node)) {\r\n    node.collectionNodeKey = () =>\r\n      joinKey(parent.nodeKey(), node.collectionName)\r\n    node.collectionPathRegx = () =>\r\n      joinKey(parent.pathRegx(), node.collectionName)\r\n  }\r\n  return node\r\n}\r\n\r\nconst addToParent = obj => {\r\n  const parent = obj.parent()\r\n  if (isSomething(parent)) {\r\n    if (isIndex(obj)) {\r\n      // Q: why are indexes not children ?\r\n      // A: because they cannot have children of their own.\r\n      parent.indexes.push(obj)\r\n    } else if (isaggregateGroup(obj)) {\r\n      parent.aggregateGroups.push(obj)\r\n    } else {\r\n      parent.children.push(obj)\r\n    }\r\n\r\n    if (isTable(obj)) {\r\n      const defaultIndex = find(\r\n        parent.indexes,\r\n        i => i.name === `${parent.name}_index`\r\n      )\r\n      if (defaultIndex) {\r\n        defaultIndex.allowedTableNodeIds.push(obj.nodeId)\r\n      }\r\n    }\r\n  }\r\n  return obj\r\n}\r\n\r\nexport const constructNode = (parent, obj) =>\r\n  $(obj, [construct(parent), validate(parent), addToParent])\r\n\r\nconst getNodeId = parentNode => {\r\n  // this case is handled better elsewhere\r\n  if (!parentNode) return null\r\n  const findRoot = n => (isRoot(n) ? n : findRoot(n.parent()))\r\n  const root = findRoot(parentNode)\r\n\r\n  return $(root, [getFlattenedHierarchy, map(n => n.nodeId), max]) + 1\r\n}\r\n\r\nexport const constructHierarchy = (node, parent) => {\r\n  construct(parent)(node)\r\n  if (node.indexes) {\r\n    each(node.indexes, child => constructHierarchy(child, node))\r\n  }\r\n  if (node.aggregateGroups) {\r\n    each(node.aggregateGroups, child => constructHierarchy(child, node))\r\n  }\r\n  if (node.children && node.children.length > 0) {\r\n    each(node.children, child => constructHierarchy(child, node))\r\n  }\r\n  if (node.fields) {\r\n    each(node.fields, f =>\r\n      each(f.typeOptions, (val, key) => {\r\n        const def = all[f.type].optionDefinitions[key]\r\n        if (!def) {\r\n          // unknown typeOption\r\n          delete f.typeOptions[key]\r\n        } else {\r\n          f.typeOptions[key] = def.parse(val)\r\n        }\r\n      })\r\n    )\r\n  }\r\n  return node\r\n}\r\n\r\nexport const getNewRootLevel = () =>\r\n  construct()({\r\n    name: \"root\",\r\n    type: \"root\",\r\n    children: [],\r\n    pathMaps: [],\r\n    indexes: [],\r\n    nodeId: 0,\r\n  })\r\n\r\nconst _getNewTableTemplate = (parent, name, createDefaultIndex, isSingle) => {\r\n  const node = constructNode(parent, {\r\n    name,\r\n    type: \"record\",\r\n    fields: [],\r\n    children: [],\r\n    validationRules: [],\r\n    nodeId: getNodeId(parent),\r\n    indexes: [],\r\n    estimatedRecordCount: isTable(parent) ? 500 : 1000000,\r\n    collectionName: \"\",\r\n    isSingle,\r\n  })\r\n\r\n  if (createDefaultIndex) {\r\n    const defaultIndex = getNewIndexTemplate(parent)\r\n    defaultIndex.name = `${name}_index`\r\n    defaultIndex.allowedTableNodeIds.push(node.nodeId)\r\n  }\r\n\r\n  return node\r\n}\r\n\r\nexport const getNewTableTemplate = (\r\n  parent,\r\n  name = \"\",\r\n  createDefaultIndex = true\r\n) => _getNewTableTemplate(parent, name, createDefaultIndex, false)\r\n\r\nexport const getNewSingleRecordTemplate = parent =>\r\n  _getNewTableTemplate(parent, \"\", false, true)\r\n\r\nexport const getNewIndexTemplate = (parent, type = \"ancestor\") =>\r\n  constructNode(parent, {\r\n    name: \"\",\r\n    type: \"index\",\r\n    map: \"return {...record};\",\r\n    filter: \"\",\r\n    indexType: type,\r\n    getShardName: \"\",\r\n    getSortKey: \"record.id\",\r\n    aggregateGroups: [],\r\n    allowedTableNodeIds: [],\r\n    nodeId: getNodeId(parent),\r\n  })\r\n\r\nexport const getNewAggregateGroupTemplate = index =>\r\n  constructNode(index, {\r\n    name: \"\",\r\n    type: \"aggregateGroup\",\r\n    groupBy: \"\",\r\n    aggregates: [],\r\n    condition: \"\",\r\n    nodeId: getNodeId(index),\r\n  })\r\n\r\nexport const getNewAggregateTemplate = set => {\r\n  const aggregatedValue = {\r\n    name: \"\",\r\n    aggregatedValue: \"\",\r\n  }\r\n  set.aggregates.push(aggregatedValue)\r\n  return aggregatedValue\r\n}\r\n\r\nexport default {\r\n  getNewRootLevel,\r\n  getNewTableTemplate,\r\n  getNewIndexTemplate,\r\n  createNodeErrors,\r\n  constructHierarchy,\r\n  getNewAggregateGroupTemplate,\r\n  getNewAggregateTemplate,\r\n}\r\n",
-    "import { createCoreApp } from \"./createCoreApp\"\r\nimport { getNew, getNewChild } from \"../../../core/src/recordApi/getNew\"\r\nimport { constructHierarchy } from \"../../../core/src/templateApi/createNodes\"\r\n\r\nexport const createCoreApi = (backendDefinition, user) => {\r\n  const app = createCoreApp(backendDefinition, user)\r\n\r\n  return {\r\n    recordApi: {\r\n      getNew: getNew(app),\r\n      getNewChild: getNewChild(app),\r\n    },\r\n\r\n    templateApi: {\r\n      constructHierarchy,\r\n    },\r\n  }\r\n}\r\n",
+    "import { permissionTypes } from \"./authCommon\"\r\nimport { isAuthorized } from \"./isAuthorized\"\r\n\r\nexport const temporaryAccessPermissions = () => [\r\n  { type: permissionTypes.SET_PASSWORD },\r\n]\r\n\r\nconst nodePermission = type => ({\r\n  add: (nodeKey, accessLevel) =>\r\n    accessLevel.permissions.push({ type, nodeKey }),\r\n  isAuthorized: resourceKey => app => isAuthorized(app)(type, resourceKey),\r\n  isNode: true,\r\n  get: nodeKey => ({ type, nodeKey }),\r\n})\r\n\r\nconst staticPermission = type => ({\r\n  add: accessLevel => accessLevel.permissions.push({ type }),\r\n  isAuthorized: app => isAuthorized(app)(type),\r\n  isNode: false,\r\n  get: () => ({ type }),\r\n})\r\n\r\nconst createRow = nodePermission(permissionTypes.CREATE_ROW)\r\n\r\nconst updateRow = nodePermission(permissionTypes.UPDATE_ROW)\r\n\r\nconst deleteRow = nodePermission(permissionTypes.DELETE_ROW)\r\n\r\nconst readRow = nodePermission(permissionTypes.READ_ROW)\r\n\r\nconst writeTemplates = staticPermission(permissionTypes.WRITE_TEMPLATES)\r\n\r\nconst createUser = staticPermission(permissionTypes.CREATE_USER)\r\n\r\nconst setPassword = staticPermission(permissionTypes.SET_PASSWORD)\r\n\r\nconst readIndex = nodePermission(permissionTypes.READ_INDEX)\r\n\r\nconst manageIndex = staticPermission(permissionTypes.MANAGE_INDEX)\r\n\r\nconst manageCollection = staticPermission(permissionTypes.MANAGE_COLLECTION)\r\n\r\nconst createTemporaryAccess = staticPermission(\r\n  permissionTypes.CREATE_TEMPORARY_ACCESS\r\n)\r\n\r\nconst enableDisableUser = staticPermission(permissionTypes.ENABLE_DISABLE_USER)\r\n\r\nconst writeAccessLevels = staticPermission(permissionTypes.WRITE_ACCESS_LEVELS)\r\n\r\nconst listUsers = staticPermission(permissionTypes.LIST_USERS)\r\n\r\nconst listAccessLevels = staticPermission(permissionTypes.LIST_ACCESS_LEVELS)\r\n\r\nconst setUserAccessLevels = staticPermission(\r\n  permissionTypes.SET_USER_ACCESS_LEVELS\r\n)\r\n\r\nconst executeAction = nodePermission(permissionTypes.EXECUTE_ACTION)\r\n\r\nexport const alwaysAuthorized = () => true\r\n\r\nexport const permission = {\r\n  createRow,\r\n  updateRow,\r\n  deleteRow,\r\n  readRow,\r\n  writeTemplates,\r\n  createUser,\r\n  setPassword,\r\n  readIndex,\r\n  createTemporaryAccess,\r\n  enableDisableUser,\r\n  writeAccessLevels,\r\n  listUsers,\r\n  listAccessLevels,\r\n  manageIndex,\r\n  manageCollection,\r\n  executeAction,\r\n  setUserAccessLevels,\r\n}\r\n",
+    "import { keyBy, mapValues } from \"lodash/fp\"\r\nimport { generate } from \"shortid\"\r\nimport {\r\n  getNodeForCollectionPath,\r\n  isSingleRow,\r\n} from \"../templateApi/hierarchy\"\r\nimport { getNewFieldValue } from \"../types\"\r\nimport { $, joinKey, safeKey, apiWrapperSync, events } from \"../common\"\r\nimport { permission } from \"../authApi/permissions\"\r\n\r\nexport const getNew = app => (collectionKey, rowTypeName) => {\r\n  const rowNode = getRowNode(app, collectionKey, rowTypeName)\r\n  collectionKey = safeKey(collectionKey)\r\n  return apiWrapperSync(\r\n    app,\r\n    events.rowApi.getNew,\r\n    permission.createRow.isAuthorized(rowNode.nodeKey()),\r\n    { collectionKey, rowTypeName },\r\n    _getNew,\r\n    rowNode,\r\n    collectionKey\r\n  )\r\n}\r\n\r\nexport const _getNew = (rowNode, collectionKey) =>\r\n  constructRow(rowNode, getNewFieldValue, collectionKey)\r\n\r\nconst getRowNode = (app, collectionKey) => {\r\n  collectionKey = safeKey(collectionKey)\r\n  return getNodeForCollectionPath(app.hierarchy)(collectionKey)\r\n}\r\n\r\nexport const getNewChild = app => (rowKey, collectionName, rowTypeName) =>\r\n  getNew(app)(joinKey(rowKey, collectionName), rowTypeName)\r\n\r\nexport const constructRow = (rowNode, getFieldValue, collectionKey) => {\r\n  const row = $(rowNode.fields, [keyBy(\"name\"), mapValues(getFieldValue)])\r\n\r\n  row.id = `${rowNode.nodeId}-${generate()}`\r\n  row.key = isSingleRow(rowNode)\r\n    ? joinKey(collectionKey, rowNode.name)\r\n    : joinKey(collectionKey, row.id)\r\n  row.isNew = true\r\n  row.type = rowNode.name\r\n  return row\r\n}\r\n",
+    "import { each, find } from \"lodash\"\r\nimport { map, max, constant } from \"lodash/fp\"\r\nimport {\r\n  switchCase,\r\n  defaultCase,\r\n  joinKey,\r\n  $,\r\n  isNothing,\r\n  isSomething,\r\n} from \"../common\"\r\nimport {\r\n  isIndex,\r\n  isRoot,\r\n  isSingleRow,\r\n  isCollectionRow,\r\n  isTable,\r\n  isaggregateGroup,\r\n  getFlattenedHierarchy,\r\n} from \"./hierarchy\"\r\nimport { all } from \"../types\"\r\nimport { BadRequestError } from \"../common/errors\"\r\n\r\nexport const createNodeErrors = {\r\n  indexCannotBeParent: \"Index template cannot be a parent\",\r\n  allNonRootNodesMustHaveParent: \"Only the root node may have no parent\",\r\n  indexParentMustBeRowOrRoot:\r\n    \"An index may only have a row or root as a parent\",\r\n  aggregateParentMustBeAnIndex: \"aggregateGroup parent must be an index\",\r\n}\r\n\r\nconst pathRegxMaker = node => () =>\r\n  node.nodeKey().replace(/{id}/g, \"[a-zA-Z0-9_-]+\")\r\n\r\nconst nodeKeyMaker = node => () =>\r\n  switchCase(\r\n    [\r\n      n => isTable(n) && !isSingleRow(n),\r\n      n =>\r\n        joinKey(\r\n          node.parent().nodeKey(),\r\n          node.collectionName,\r\n          `${n.nodeId}-{id}`\r\n        ),\r\n    ],\r\n\r\n    [isRoot, constant(\"/\")],\r\n\r\n    [defaultCase, n => joinKey(node.parent().nodeKey(), n.name)]\r\n  )(node)\r\n\r\nconst validate = parent => node => {\r\n  if (\r\n    isIndex(node) &&\r\n    isSomething(parent) &&\r\n    !isRoot(parent) &&\r\n    !isTable(parent)\r\n  ) {\r\n    throw new BadRequestError(createNodeErrors.indexParentMustBeRowOrRoot)\r\n  }\r\n\r\n  if (isaggregateGroup(node) && isSomething(parent) && !isIndex(parent)) {\r\n    throw new BadRequestError(createNodeErrors.aggregateParentMustBeAnIndex)\r\n  }\r\n\r\n  if (isNothing(parent) && !isRoot(node)) {\r\n    throw new BadRequestError(createNodeErrors.allNonRootNodesMustHaveParent)\r\n  }\r\n\r\n  return node\r\n}\r\n\r\nconst construct = parent => node => {\r\n  node.nodeKey = nodeKeyMaker(node)\r\n  node.pathRegx = pathRegxMaker(node)\r\n  node.parent = constant(parent)\r\n  node.isRoot = () =>\r\n    isNothing(parent) && node.name === \"root\" && node.type === \"root\"\r\n  if (isCollectionRow(node)) {\r\n    node.collectionNodeKey = () =>\r\n      joinKey(parent.nodeKey(), node.collectionName)\r\n    node.collectionPathRegx = () =>\r\n      joinKey(parent.pathRegx(), node.collectionName)\r\n  }\r\n  return node\r\n}\r\n\r\nconst addToParent = obj => {\r\n  const parent = obj.parent()\r\n  if (isSomething(parent)) {\r\n    if (isIndex(obj)) {\r\n      // Q: why are indexes not children ?\r\n      // A: because they cannot have children of their own.\r\n      parent.indexes.push(obj)\r\n    } else if (isaggregateGroup(obj)) {\r\n      parent.aggregateGroups.push(obj)\r\n    } else {\r\n      parent.children.push(obj)\r\n    }\r\n\r\n    if (isTable(obj)) {\r\n      const defaultIndex = find(\r\n        parent.indexes,\r\n        i => i.name === `${parent.name}_index`\r\n      )\r\n      if (defaultIndex) {\r\n        defaultIndex.allowedTableNodeIds.push(obj.nodeId)\r\n      }\r\n    }\r\n  }\r\n  return obj\r\n}\r\n\r\nexport const constructNode = (parent, obj) =>\r\n  $(obj, [construct(parent), validate(parent), addToParent])\r\n\r\nconst getNodeId = parentNode => {\r\n  // this case is handled better elsewhere\r\n  if (!parentNode) return null\r\n  const findRoot = n => (isRoot(n) ? n : findRoot(n.parent()))\r\n  const root = findRoot(parentNode)\r\n\r\n  return $(root, [getFlattenedHierarchy, map(n => n.nodeId), max]) + 1\r\n}\r\n\r\nexport const constructHierarchy = (node, parent) => {\r\n  construct(parent)(node)\r\n  if (node.indexes) {\r\n    each(node.indexes, child => constructHierarchy(child, node))\r\n  }\r\n  if (node.aggregateGroups) {\r\n    each(node.aggregateGroups, child => constructHierarchy(child, node))\r\n  }\r\n  if (node.children && node.children.length > 0) {\r\n    each(node.children, child => constructHierarchy(child, node))\r\n  }\r\n  if (node.fields) {\r\n    each(node.fields, f =>\r\n      each(f.typeOptions, (val, key) => {\r\n        const def = all[f.type].optionDefinitions[key]\r\n        if (!def) {\r\n          // unknown typeOption\r\n          delete f.typeOptions[key]\r\n        } else {\r\n          f.typeOptions[key] = def.parse(val)\r\n        }\r\n      })\r\n    )\r\n  }\r\n  return node\r\n}\r\n\r\nexport const getNewRootLevel = () =>\r\n  construct()({\r\n    name: \"root\",\r\n    type: \"root\",\r\n    children: [],\r\n    pathMaps: [],\r\n    indexes: [],\r\n    nodeId: 0,\r\n  })\r\n\r\nconst _getNewTableTemplate = (parent, name, createDefaultIndex, isSingle) => {\r\n  const node = constructNode(parent, {\r\n    name,\r\n    type: \"row\",\r\n    fields: [],\r\n    children: [],\r\n    validationRules: [],\r\n    nodeId: getNodeId(parent),\r\n    indexes: [],\r\n    estimatedRowCount: isTable(parent) ? 500 : 1000000,\r\n    collectionName: \"\",\r\n    isSingle,\r\n  })\r\n\r\n  if (createDefaultIndex) {\r\n    const defaultIndex = getNewIndexTemplate(parent)\r\n    defaultIndex.name = `${name}_index`\r\n    defaultIndex.allowedTableNodeIds.push(node.nodeId)\r\n  }\r\n\r\n  return node\r\n}\r\n\r\nexport const getNewTableTemplate = (\r\n  parent,\r\n  name = \"\",\r\n  createDefaultIndex = true\r\n) => _getNewTableTemplate(parent, name, createDefaultIndex, false)\r\n\r\nexport const getNewSingleRowTemplate = parent =>\r\n  _getNewTableTemplate(parent, \"\", false, true)\r\n\r\nexport const getNewIndexTemplate = (parent, type = \"ancestor\") =>\r\n  constructNode(parent, {\r\n    name: \"\",\r\n    type: \"index\",\r\n    map: \"return {...row};\",\r\n    filter: \"\",\r\n    indexType: type,\r\n    getShardName: \"\",\r\n    getSortKey: \"row.id\",\r\n    aggregateGroups: [],\r\n    allowedTableNodeIds: [],\r\n    nodeId: getNodeId(parent),\r\n  })\r\n\r\nexport const getNewAggregateGroupTemplate = index =>\r\n  constructNode(index, {\r\n    name: \"\",\r\n    type: \"aggregateGroup\",\r\n    groupBy: \"\",\r\n    aggregates: [],\r\n    condition: \"\",\r\n    nodeId: getNodeId(index),\r\n  })\r\n\r\nexport const getNewAggregateTemplate = set => {\r\n  const aggregatedValue = {\r\n    name: \"\",\r\n    aggregatedValue: \"\",\r\n  }\r\n  set.aggregates.push(aggregatedValue)\r\n  return aggregatedValue\r\n}\r\n\r\nexport default {\r\n  getNewRootLevel,\r\n  getNewTableTemplate,\r\n  getNewIndexTemplate,\r\n  createNodeErrors,\r\n  constructHierarchy,\r\n  getNewAggregateGroupTemplate,\r\n  getNewAggregateTemplate,\r\n}\r\n",
+    "import { createCoreApp } from \"./createCoreApp\"\r\nimport { getNew, getNewChild } from \"../../../core/src/rowApi/getNew\"\r\nimport { constructHierarchy } from \"../../../core/src/templateApi/createNodes\"\r\n\r\nexport const createCoreApi = (backendDefinition, user) => {\r\n  const app = createCoreApp(backendDefinition, user)\r\n\r\n  return {\r\n    rowApi: {\r\n      getNew: getNew(app),\r\n      getNewChild: getNewChild(app),\r\n    },\r\n\r\n    templateApi: {\r\n      constructHierarchy,\r\n    },\r\n  }\r\n}\r\n",
     "export const BB_STATE_BINDINGPATH = \"##bbstate\"\r\nexport const BB_STATE_BINDINGSOURCE = \"##bbsource\"\r\nexport const BB_STATE_FALLBACK = \"##bbstatefallback\"\r\n\r\nexport const isBound = prop =>\r\n  prop !== undefined && prop[BB_STATE_BINDINGPATH] !== undefined\r\n\r\nexport const takeStateFromStore = prop =>\r\n  prop[BB_STATE_BINDINGSOURCE] === undefined ||\r\n  prop[BB_STATE_BINDINGSOURCE] === \"store\"\r\n\r\nexport const takeStateFromContext = prop =>\r\n  prop[BB_STATE_BINDINGSOURCE] === \"context\"\r\n\r\nexport const takeStateFromEventParameters = prop =>\r\n  prop[BB_STATE_BINDINGSOURCE] === \"event\"\r\n",
     "import { isUndefined, isObject } from \"lodash/fp\"\r\nimport {\r\n  isBound,\r\n  BB_STATE_BINDINGPATH,\r\n  BB_STATE_FALLBACK,\r\n  takeStateFromStore,\r\n} from \"./isState\"\r\n\r\nexport const getState = (s, path, fallback) => {\r\n  if (!s) return fallback\r\n  if (!path || path.length === 0) return fallback\r\n\r\n  if (path === \"$\") return s\r\n\r\n  const pathParts = path.split(\".\")\r\n  const safeGetPath = (obj, currentPartIndex = 0) => {\r\n    const currentKey = pathParts[currentPartIndex]\r\n\r\n    if (pathParts.length - 1 == currentPartIndex) {\r\n      const value = obj[currentKey]\r\n      if (isUndefined(value)) return fallback\r\n      else return value\r\n    }\r\n\r\n    if (\r\n      obj[currentKey] === null ||\r\n      obj[currentKey] === undefined ||\r\n      !isObject(obj[currentKey])\r\n    ) {\r\n      return fallback\r\n    }\r\n\r\n    return safeGetPath(obj[currentKey], currentPartIndex + 1)\r\n  }\r\n\r\n  return safeGetPath(s)\r\n}\r\n\r\nexport const getStateOrValue = (globalState, prop, currentContext) => {\r\n  if (!prop) return prop\r\n\r\n  if (isBound(prop)) {\r\n    const stateToUse = takeStateFromStore(prop) ? globalState : currentContext\r\n\r\n    return getState(\r\n      stateToUse,\r\n      prop[BB_STATE_BINDINGPATH],\r\n      prop[BB_STATE_FALLBACK]\r\n    )\r\n  }\r\n\r\n  if (prop.path && prop.source) {\r\n    const stateToUse = prop.source === \"store\" ? globalState : currentContext\r\n\r\n    return getState(stateToUse, prop.path, prop.fallback)\r\n  }\r\n\r\n  return prop\r\n}\r\n",
     "import { isObject } from \"lodash/fp\"\r\nimport { BB_STATE_BINDINGPATH } from \"./isState\"\r\n\r\nexport const setState = (store, path, value) => {\r\n  if (!path || path.length === 0) return\r\n\r\n  const pathParts = path.split(\".\")\r\n  const safeSetPath = (obj, currentPartIndex = 0) => {\r\n    const currentKey = pathParts[currentPartIndex]\r\n\r\n    if (pathParts.length - 1 == currentPartIndex) {\r\n      obj[currentKey] = value\r\n      return\r\n    }\r\n\r\n    if (\r\n      obj[currentKey] === null ||\r\n      obj[currentKey] === undefined ||\r\n      !isObject(obj[currentKey])\r\n    ) {\r\n      obj[currentKey] = {}\r\n    }\r\n\r\n    safeSetPath(obj[currentKey], currentPartIndex + 1)\r\n  }\r\n\r\n  store.update(s => {\r\n    safeSetPath(s)\r\n    return s\r\n  })\r\n}\r\n\r\nexport const setStateFromBinding = (store, binding, value) =>\r\n  setState(store, binding[BB_STATE_BINDINGPATH], value)\r\n",
     "export const trimSlash = str => str.replace(/^\\/+|\\/+$/g, \"\")\r\n",
     "export const ERROR = \"##error_message\"\r\n",
-    "import { trimSlash } from \"../common/trimSlash\"\r\n\r\nexport const loadRecord = api => async ({ recordKey, statePath }) => {\r\n  if (!recordKey) {\r\n    api.error(\"Load Record: record key not set\")\r\n    return\r\n  }\r\n\r\n  if (!statePath) {\r\n    api.error(\"Load Record: state path not set\")\r\n    return\r\n  }\r\n\r\n  const record = await api.get({\r\n    url: `/api/record/${trimSlash(recordKey)}`,\r\n  })\r\n\r\n  if (api.isSuccess(record)) api.setState(statePath, record)\r\n}\r\n",
-    "import { trimSlash } from \"../common/trimSlash\"\r\n\r\nexport const listRecords = api => async ({ indexKey, statePath }) => {\r\n  if (!indexKey) {\r\n    api.error(\"Load Record: record key not set\")\r\n    return\r\n  }\r\n\r\n  if (!statePath) {\r\n    api.error(\"Load Record: state path not set\")\r\n    return\r\n  }\r\n\r\n  const records = await api.get({\r\n    url: `/api/listRecords/${trimSlash(indexKey)}`,\r\n  })\r\n\r\n  if (api.isSuccess(records)) api.setState(statePath, records)\r\n}\r\n",
+    "import { trimSlash } from \"../common/trimSlash\"\r\n\r\nexport const loadRow = api => async ({ rowKey, statePath }) => {\r\n  if (!rowKey) {\r\n    api.error(\"Load Row: row key not set\")\r\n    return\r\n  }\r\n\r\n  if (!statePath) {\r\n    api.error(\"Load Row: state path not set\")\r\n    return\r\n  }\r\n\r\n  const row = await api.get({\r\n    url: `/api/row/${trimSlash(rowKey)}`,\r\n  })\r\n\r\n  if (api.isSuccess(row)) api.setState(statePath, row)\r\n}\r\n",
+    "import { trimSlash } from \"../common/trimSlash\"\r\n\r\nexport const listRows = api => async ({ indexKey, statePath }) => {\r\n  if (!indexKey) {\r\n    api.error(\"Load Row: row key not set\")\r\n    return\r\n  }\r\n\r\n  if (!statePath) {\r\n    api.error(\"Load Row: state path not set\")\r\n    return\r\n  }\r\n\r\n  const rows = await api.get({\r\n    url: `/api/listRows/${trimSlash(indexKey)}`,\r\n  })\r\n\r\n  if (api.isSuccess(rows)) api.setState(statePath, rows)\r\n}\r\n",
     "export const USER_STATE_PATH = \"_bbuser\"\r\n\r\nexport const authenticate = api => async ({ username, password }) => {\r\n  if (!username) {\r\n    api.error(\"Authenticate: username not set\")\r\n    return\r\n  }\r\n\r\n  if (!password) {\r\n    api.error(\"Authenticate: password not set\")\r\n    return\r\n  }\r\n\r\n  const user = await api.post({\r\n    url: \"/api/authenticate\",\r\n    body: { username, password },\r\n  })\r\n\r\n  // set user even if error - so it is defined at least\r\n  api.setState(USER_STATE_PATH, user)\r\n  localStorage.setItem(\"budibase:user\", JSON.stringify(user))\r\n}\r\n",
-    "import { trimSlash } from \"../common/trimSlash\"\r\n\r\nexport const saveRecord = api => async ({ statePath }) => {\r\n  if (!statePath) {\r\n    api.error(\"Load Record: state path not set\")\r\n    return\r\n  }\r\n\r\n  const recordtoSave = api.getState(statePath)\r\n\r\n  if (!recordtoSave) {\r\n    api.error(`there is no record in state: ${statePath}`)\r\n    return\r\n  }\r\n\r\n  if (!recordtoSave.key) {\r\n    api.error(\r\n      `item in state does not appear to be a record - it has no key (${statePath})`\r\n    )\r\n    return\r\n  }\r\n\r\n  const savedRecord = await api.post({\r\n    url: `/api/record/${trimSlash(recordtoSave.key)}`,\r\n    body: recordtoSave,\r\n  })\r\n\r\n  if (api.isSuccess(savedRecord)) api.setState(statePath, savedRecord)\r\n}\r\n",
-    "import { ERROR } from \"../state/standardState\"\r\nimport { loadRecord } from \"./loadRecord\"\r\nimport { listRecords } from \"./listRecords\"\r\nimport { authenticate } from \"./authenticate\"\r\nimport { saveRecord } from \"./saveRecord\"\r\n\r\nexport const createApi = ({ rootPath, setState, getState }) => {\r\n  const apiCall = method => ({\r\n    url,\r\n    body,\r\n    notFound,\r\n    badRequest,\r\n    forbidden,\r\n  }) => {\r\n    return fetch(`${rootPath}${url}`, {\r\n      method: method,\r\n      headers: {\r\n        \"Content-Type\": \"application/json\",\r\n      },\r\n      body: body && JSON.stringify(body),\r\n      credentials: \"same-origin\",\r\n    }).then(r => {\r\n      switch (r.status) {\r\n        case 200:\r\n          return r.json()\r\n        case 404:\r\n          return error(notFound || `${url} Not found`)\r\n        case 400:\r\n          return error(badRequest || `${url} Bad Request`)\r\n        case 403:\r\n          return error(forbidden || `${url} Forbidden`)\r\n        default:\r\n          if (\r\n            r.status.toString().startsWith(\"2\") ||\r\n            r.status.toString().startsWith(\"3\")\r\n          )\r\n            return r.json()\r\n          else return error(`${url} - ${r.statusText}`)\r\n      }\r\n    })\r\n  }\r\n\r\n  const post = apiCall(\"POST\")\r\n  const get = apiCall(\"GET\")\r\n  const patch = apiCall(\"PATCH\")\r\n  const del = apiCall(\"DELETE\")\r\n\r\n  const ERROR_MEMBER = \"##error\"\r\n  const error = message => {\r\n    const e = {}\r\n    e[ERROR_MEMBER] = message\r\n    setState(ERROR, message)\r\n    return e\r\n  }\r\n\r\n  const isSuccess = obj => !obj || !obj[ERROR_MEMBER]\r\n\r\n  const apiOpts = {\r\n    rootPath,\r\n    setState,\r\n    getState,\r\n    isSuccess,\r\n    error,\r\n    post,\r\n    get,\r\n    patch,\r\n    delete: del,\r\n  }\r\n\r\n  return {\r\n    loadRecord: loadRecord(apiOpts),\r\n    listRecords: listRecords(apiOpts),\r\n    authenticate: authenticate(apiOpts),\r\n    saveRecord: saveRecord(apiOpts),\r\n  }\r\n}\r\n",
-    "import { ERROR } from \"./standardState\"\r\n\r\nexport const getNewChildRecordToState = (coreApi, setState) => ({\r\n  recordKey,\r\n  collectionName,\r\n  childRecordType,\r\n  statePath,\r\n}) => {\r\n  const error = errorHandler(setState)\r\n  try {\r\n    if (!recordKey) {\r\n      error(\"getNewChild > recordKey not set\")\r\n      return\r\n    }\r\n\r\n    if (!collectionName) {\r\n      error(\"getNewChild > collectionName not set\")\r\n      return\r\n    }\r\n\r\n    if (!childRecordType) {\r\n      error(\"getNewChild > childRecordType not set\")\r\n      return\r\n    }\r\n\r\n    if (!statePath) {\r\n      error(\"getNewChild > statePath not set\")\r\n      return\r\n    }\r\n\r\n    const rec = coreApi.recordApi.getNewChild(\r\n      recordKey,\r\n      collectionName,\r\n      childRecordType\r\n    )\r\n    setState(statePath, rec)\r\n  } catch (e) {\r\n    error(e.message)\r\n  }\r\n}\r\n\r\nexport const getNewRecordToState = (coreApi, setState) => ({\r\n  collectionKey,\r\n  childRecordType,\r\n  statePath,\r\n}) => {\r\n  const error = errorHandler(setState)\r\n  try {\r\n    if (!collectionKey) {\r\n      error(\"getNewChild > collectionKey not set\")\r\n      return\r\n    }\r\n\r\n    if (!childRecordType) {\r\n      error(\"getNewChild > childRecordType not set\")\r\n      return\r\n    }\r\n\r\n    if (!statePath) {\r\n      error(\"getNewChild > statePath not set\")\r\n      return\r\n    }\r\n\r\n    const rec = coreApi.recordApi.getNew(collectionKey, childRecordType)\r\n    setState(statePath, rec)\r\n  } catch (e) {\r\n    error(e.message)\r\n  }\r\n}\r\n\r\nconst errorHandler = setState => message => setState(ERROR, message)\r\n",
-    "import { setState } from \"./setState\"\r\nimport { getState } from \"./getState\"\r\nimport { isArray, isUndefined } from \"lodash/fp\"\r\n\r\nimport { createApi } from \"../api\"\r\nimport { getNewChildRecordToState, getNewRecordToState } from \"./coreHandlers\"\r\n\r\nexport const EVENT_TYPE_MEMBER_NAME = \"##eventHandlerType\"\r\n\r\nexport const eventHandlers = (store, coreApi, rootPath) => {\r\n  const handler = (parameters, execute) => ({\r\n    execute,\r\n    parameters,\r\n  })\r\n\r\n  const setStateWithStore = (path, value) => setState(store, path, value)\r\n\r\n  let currentState\r\n  store.subscribe(s => {\r\n    currentState = s\r\n  })\r\n\r\n  const api = createApi({\r\n    rootPath: rootPath,\r\n    setState: setStateWithStore,\r\n    getState: (path, fallback) => getState(currentState, path, fallback),\r\n  })\r\n\r\n  const setStateHandler = ({ path, value }) => setState(store, path, value)\r\n\r\n  return {\r\n    \"Set State\": handler([\"path\", \"value\"], setStateHandler),\r\n    \"Load Record\": handler([\"recordKey\", \"statePath\"], api.loadRecord),\r\n    \"List Records\": handler([\"indexKey\", \"statePath\"], api.listRecords),\r\n    \"Save Record\": handler([\"statePath\"], api.saveRecord),\r\n\r\n    \"Get New Child Record\": handler(\r\n      [\"recordKey\", \"collectionName\", \"childRecordType\", \"statePath\"],\r\n      getNewChildRecordToState(coreApi, setStateWithStore)\r\n    ),\r\n\r\n    \"Get New Record\": handler(\r\n      [\"collectionKey\", \"childRecordType\", \"statePath\"],\r\n      getNewRecordToState(coreApi, setStateWithStore)\r\n    ),\r\n\r\n    Authenticate: handler([\"username\", \"password\"], api.authenticate),\r\n  }\r\n}\r\n\r\nexport const isEventType = prop =>\r\n  isArray(prop) &&\r\n  prop.length > 0 &&\r\n  !isUndefined(prop[0][EVENT_TYPE_MEMBER_NAME])\r\n",
+    "import { trimSlash } from \"../common/trimSlash\"\r\n\r\nexport const saveRow = api => async ({ statePath }) => {\r\n  if (!statePath) {\r\n    api.error(\"Load Row: state path not set\")\r\n    return\r\n  }\r\n\r\n  const rowtoSave = api.getState(statePath)\r\n\r\n  if (!rowtoSave) {\r\n    api.error(`there is no row in state: ${statePath}`)\r\n    return\r\n  }\r\n\r\n  if (!rowtoSave.key) {\r\n    api.error(\r\n      `item in state does not appear to be a row - it has no key (${statePath})`\r\n    )\r\n    return\r\n  }\r\n\r\n  const savedRow = await api.post({\r\n    url: `/api/row/${trimSlash(rowtoSave.key)}`,\r\n    body: rowtoSave,\r\n  })\r\n\r\n  if (api.isSuccess(savedRow)) api.setState(statePath, savedRow)\r\n}\r\n",
+    "import { ERROR } from \"../state/standardState\"\r\nimport { loadRow } from \"./loadRow\"\r\nimport { listRows } from \"./listRows\"\r\nimport { authenticate } from \"./authenticate\"\r\nimport { saveRow } from \"./saveRow\"\r\n\r\nexport const createApi = ({ rootPath, setState, getState }) => {\r\n  const apiCall = method => ({\r\n    url,\r\n    body,\r\n    notFound,\r\n    badRequest,\r\n    forbidden,\r\n  }) => {\r\n    return fetch(`${rootPath}${url}`, {\r\n      method: method,\r\n      headers: {\r\n        \"Content-Type\": \"application/json\",\r\n      },\r\n      body: body && JSON.stringify(body),\r\n      credentials: \"same-origin\",\r\n    }).then(r => {\r\n      switch (r.status) {\r\n        case 200:\r\n          return r.json()\r\n        case 404:\r\n          return error(notFound || `${url} Not found`)\r\n        case 400:\r\n          return error(badRequest || `${url} Bad Request`)\r\n        case 403:\r\n          return error(forbidden || `${url} Forbidden`)\r\n        default:\r\n          if (\r\n            r.status.toString().startsWith(\"2\") ||\r\n            r.status.toString().startsWith(\"3\")\r\n          )\r\n            return r.json()\r\n          else return error(`${url} - ${r.statusText}`)\r\n      }\r\n    })\r\n  }\r\n\r\n  const post = apiCall(\"POST\")\r\n  const get = apiCall(\"GET\")\r\n  const patch = apiCall(\"PATCH\")\r\n  const del = apiCall(\"DELETE\")\r\n\r\n  const ERROR_MEMBER = \"##error\"\r\n  const error = message => {\r\n    const e = {}\r\n    e[ERROR_MEMBER] = message\r\n    setState(ERROR, message)\r\n    return e\r\n  }\r\n\r\n  const isSuccess = obj => !obj || !obj[ERROR_MEMBER]\r\n\r\n  const apiOpts = {\r\n    rootPath,\r\n    setState,\r\n    getState,\r\n    isSuccess,\r\n    error,\r\n    post,\r\n    get,\r\n    patch,\r\n    delete: del,\r\n  }\r\n\r\n  return {\r\n    loadRow: loadRow(apiOpts),\r\n    listRows: listRows(apiOpts),\r\n    authenticate: authenticate(apiOpts),\r\n    saveRow: saveRow(apiOpts),\r\n  }\r\n}\r\n",
+    "import { ERROR } from \"./standardState\"\r\n\r\nexport const getNewChildRowToState = (coreApi, setState) => ({\r\n  rowKey,\r\n  collectionName,\r\n  childRowType,\r\n  statePath,\r\n}) => {\r\n  const error = errorHandler(setState)\r\n  try {\r\n    if (!rowKey) {\r\n      error(\"getNewChild > rowKey not set\")\r\n      return\r\n    }\r\n\r\n    if (!collectionName) {\r\n      error(\"getNewChild > collectionName not set\")\r\n      return\r\n    }\r\n\r\n    if (!childRowType) {\r\n      error(\"getNewChild > childRowType not set\")\r\n      return\r\n    }\r\n\r\n    if (!statePath) {\r\n      error(\"getNewChild > statePath not set\")\r\n      return\r\n    }\r\n\r\n    const rec = coreApi.rowApi.getNewChild(\r\n      rowKey,\r\n      collectionName,\r\n      childRowType\r\n    )\r\n    setState(statePath, rec)\r\n  } catch (e) {\r\n    error(e.message)\r\n  }\r\n}\r\n\r\nexport const getNewRowToState = (coreApi, setState) => ({\r\n  collectionKey,\r\n  childRowType,\r\n  statePath,\r\n}) => {\r\n  const error = errorHandler(setState)\r\n  try {\r\n    if (!collectionKey) {\r\n      error(\"getNewChild > collectionKey not set\")\r\n      return\r\n    }\r\n\r\n    if (!childRowType) {\r\n      error(\"getNewChild > childRowType not set\")\r\n      return\r\n    }\r\n\r\n    if (!statePath) {\r\n      error(\"getNewChild > statePath not set\")\r\n      return\r\n    }\r\n\r\n    const rec = coreApi.rowApi.getNew(collectionKey, childRowType)\r\n    setState(statePath, rec)\r\n  } catch (e) {\r\n    error(e.message)\r\n  }\r\n}\r\n\r\nconst errorHandler = setState => message => setState(ERROR, message)\r\n",
+    "import { setState } from \"./setState\"\r\nimport { getState } from \"./getState\"\r\nimport { isArray, isUndefined } from \"lodash/fp\"\r\n\r\nimport { createApi } from \"../api\"\r\nimport { getNewChildRowToState, getNewRowToState } from \"./coreHandlers\"\r\n\r\nexport const EVENT_TYPE_MEMBER_NAME = \"##eventHandlerType\"\r\n\r\nexport const eventHandlers = (store, coreApi, rootPath) => {\r\n  const handler = (parameters, execute) => ({\r\n    execute,\r\n    parameters,\r\n  })\r\n\r\n  const setStateWithStore = (path, value) => setState(store, path, value)\r\n\r\n  let currentState\r\n  store.subscribe(s => {\r\n    currentState = s\r\n  })\r\n\r\n  const api = createApi({\r\n    rootPath: rootPath,\r\n    setState: setStateWithStore,\r\n    getState: (path, fallback) => getState(currentState, path, fallback),\r\n  })\r\n\r\n  const setStateHandler = ({ path, value }) => setState(store, path, value)\r\n\r\n  return {\r\n    \"Set State\": handler([\"path\", \"value\"], setStateHandler),\r\n    \"Load Row\": handler([\"rowKey\", \"statePath\"], api.loadRow),\r\n    \"List Rows\": handler([\"indexKey\", \"statePath\"], api.listRows),\r\n    \"Save Row\": handler([\"statePath\"], api.saveRow),\r\n\r\n    \"Get New Child Row\": handler(\r\n      [\"rowKey\", \"collectionName\", \"childRowType\", \"statePath\"],\r\n      getNewChildRowToState(coreApi, setStateWithStore)\r\n    ),\r\n\r\n    \"Get New Row\": handler(\r\n      [\"collectionKey\", \"childRowType\", \"statePath\"],\r\n      getNewRowToState(coreApi, setStateWithStore)\r\n    ),\r\n\r\n    Authenticate: handler([\"username\", \"password\"], api.authenticate),\r\n  }\r\n}\r\n\r\nexport const isEventType = prop =>\r\n  isArray(prop) &&\r\n  prop.length > 0 &&\r\n  !isUndefined(prop[0][EVENT_TYPE_MEMBER_NAME])\r\n",
     "import {\r\n  isEventType,\r\n  eventHandlers,\r\n  EVENT_TYPE_MEMBER_NAME,\r\n} from \"./eventHandlers\"\r\n\r\nimport { getState } from \"./getState\"\r\n\r\nimport {\r\n  isBound,\r\n  takeStateFromStore,\r\n  takeStateFromContext,\r\n  takeStateFromEventParameters,\r\n  BB_STATE_FALLBACK,\r\n  BB_STATE_BINDINGPATH,\r\n  BB_STATE_BINDINGSOURCE,\r\n} from \"./isState\"\r\n\r\nconst doNothing = () => {}\r\ndoNothing.isPlaceholder = true\r\n\r\nconst isMetaProp = propName =>\r\n  propName === \"_component\" ||\r\n  propName === \"_children\" ||\r\n  propName === \"_id\" ||\r\n  propName === \"_style\"\r\n\r\nexport const setupBinding = (store, rootProps, coreApi, context, rootPath) => {\r\n  const rootInitialProps = { ...rootProps }\r\n\r\n  const getBindings = (props, initialProps) => {\r\n    const boundProps = []\r\n    const contextBoundProps = []\r\n    const componentEventHandlers = []\r\n\r\n    for (let propName in props) {\r\n      if (isMetaProp(propName)) continue\r\n\r\n      const val = props[propName]\r\n\r\n      if (isBound(val) && takeStateFromStore(val)) {\r\n        const binding = BindingPath(val)\r\n        const source = BindingSource(val)\r\n        const fallback = BindingFallback(val)\r\n\r\n        boundProps.push({\r\n          path: binding,\r\n          fallback,\r\n          propName,\r\n          source,\r\n        })\r\n\r\n        initialProps[propName] = fallback\r\n      } else if (isBound(val) && takeStateFromContext(val)) {\r\n        const binding = BindingPath(val)\r\n        const fallback = BindingFallback(val)\r\n        const source = BindingSource(val)\r\n\r\n        contextBoundProps.push({\r\n          path: binding,\r\n          fallback,\r\n          propName,\r\n          source,\r\n        })\r\n\r\n        initialProps[propName] = !context\r\n          ? val\r\n          : getState(context, binding, fallback, source)\r\n      } else if (isEventType(val)) {\r\n        const handlers = { propName, handlers: [] }\r\n        componentEventHandlers.push(handlers)\r\n\r\n        for (let e of val) {\r\n          handlers.handlers.push({\r\n            handlerType: e[EVENT_TYPE_MEMBER_NAME],\r\n            parameters: e.parameters,\r\n          })\r\n        }\r\n\r\n        initialProps[propName] = doNothing\r\n      }\r\n    }\r\n\r\n    return {\r\n      contextBoundProps,\r\n      boundProps,\r\n      componentEventHandlers,\r\n      initialProps,\r\n    }\r\n  }\r\n\r\n  const bind = rootBindings => component => {\r\n    if (\r\n      rootBindings.boundProps.length === 0 &&\r\n      rootBindings.componentEventHandlers.length === 0\r\n    )\r\n      return\r\n\r\n    const handlerTypes = eventHandlers(store, coreApi, rootPath)\r\n\r\n    const unsubscribe = store.subscribe(rootState => {\r\n      const getPropsFromBindings = (s, bindings) => {\r\n        const { boundProps, componentEventHandlers } = bindings\r\n        const newProps = { ...bindings.initialProps }\r\n\r\n        for (let boundProp of boundProps) {\r\n          const val = getState(s, boundProp.path, boundProp.fallback)\r\n\r\n          if (val === undefined && newProps[boundProp.propName] !== undefined) {\r\n            delete newProps[boundProp.propName]\r\n          }\r\n\r\n          if (val !== undefined) {\r\n            newProps[boundProp.propName] = val\r\n          }\r\n        }\r\n\r\n        for (let boundHandler of componentEventHandlers) {\r\n          const closuredHandlers = []\r\n          for (let h of boundHandler.handlers) {\r\n            const handlerType = handlerTypes[h.handlerType]\r\n            closuredHandlers.push(eventContext => {\r\n              const parameters = {}\r\n              for (let pname in h.parameters) {\r\n                const p = h.parameters[pname]\r\n                parameters[pname] = !isBound(p)\r\n                  ? p\r\n                  : takeStateFromStore(p)\r\n                  ? getState(s, p[BB_STATE_BINDINGPATH], p[BB_STATE_FALLBACK])\r\n                  : takeStateFromEventParameters(p)\r\n                  ? getState(\r\n                      eventContext,\r\n                      p[BB_STATE_BINDINGPATH],\r\n                      p[BB_STATE_FALLBACK]\r\n                    )\r\n                  : takeStateFromContext(p)\r\n                  ? getState(\r\n                      context,\r\n                      p[BB_STATE_BINDINGPATH],\r\n                      p[BB_STATE_FALLBACK]\r\n                    )\r\n                  : p[BB_STATE_FALLBACK]\r\n              }\r\n              handlerType.execute(parameters)\r\n            })\r\n          }\r\n\r\n          newProps[boundHandler.propName] = async context => {\r\n            for (let runHandler of closuredHandlers) {\r\n              await runHandler(context)\r\n            }\r\n          }\r\n        }\r\n\r\n        return newProps\r\n      }\r\n\r\n      const rootNewProps = getPropsFromBindings(rootState, rootBindings)\r\n\r\n      component.$set(rootNewProps)\r\n    })\r\n\r\n    return unsubscribe\r\n  }\r\n\r\n  const bindings = getBindings(rootProps, rootInitialProps)\r\n\r\n  return {\r\n    initialProps: rootInitialProps,\r\n    bind: bind(bindings),\r\n    boundProps: bindings.boundProps,\r\n    contextBoundProps: bindings.contextBoundProps,\r\n  }\r\n}\r\n\r\nconst BindingPath = prop => prop[BB_STATE_BINDINGPATH]\r\nconst BindingFallback = prop => prop[BB_STATE_FALLBACK]\r\nconst BindingSource = prop => prop[BB_STATE_BINDINGSOURCE]\r\n",
     "export const renderComponent = ({\r\n  componentConstructor,\r\n  uiFunctions,\r\n  htmlElement,\r\n  anchor,\r\n  props,\r\n  initialProps,\r\n  bb,\r\n  parentNode,\r\n}) => {\r\n  const func = initialProps._id ? uiFunctions[initialProps._id] : undefined\r\n\r\n  const parentContext = (parentNode && parentNode.context) || {}\r\n\r\n  let renderedNodes = []\r\n  const render = context => {\r\n    let componentContext = parentContext\r\n    if (context) {\r\n      componentContext = { ...componentContext }\r\n      componentContext.$parent = parentContext\r\n    }\r\n\r\n    const thisNode = createTreeNode()\r\n    thisNode.context = componentContext\r\n    thisNode.parentNode = parentNode\r\n    thisNode.props = props\r\n\r\n    parentNode.children.push(thisNode)\r\n    renderedNodes.push(thisNode)\r\n\r\n    initialProps._bb = bb(thisNode, props)\r\n\r\n    thisNode.component = new componentConstructor({\r\n      target: htmlElement,\r\n      props: initialProps,\r\n      hydrate: false,\r\n      anchor,\r\n    })\r\n\r\n    thisNode.rootElement = htmlElement.children[htmlElement.children.length - 1]\r\n\r\n    if (initialProps._id && thisNode.rootElement) {\r\n      thisNode.rootElement.classList.add(`pos-${initialProps._id}`)\r\n    }\r\n  }\r\n\r\n  if (func) {\r\n    func(render, parentContext)\r\n  } else {\r\n    render()\r\n  }\r\n\r\n  return renderedNodes\r\n}\r\n\r\nexport const createTreeNode = () => ({\r\n  context: {},\r\n  props: {},\r\n  rootElement: null,\r\n  parentNode: null,\r\n  children: [],\r\n  component: null,\r\n  unsubscribe: () => {},\r\n  get destroy() {\r\n    const node = this\r\n    return () => {\r\n      if (node.unsubscribe) node.unsubscribe()\r\n      if (node.component && node.component.$destroy) node.component.$destroy()\r\n      if (node.children) {\r\n        for (let child of node.children) {\r\n          child.destroy()\r\n        }\r\n      }\r\n    }\r\n  },\r\n})\r\n",
     "import { screenSlotComponent } from \"./screenSlotComponent\"\r\n\r\nexport const builtinLibName = \"##builtin\"\r\n\r\nexport const isScreenSlot = componentName =>\r\n  componentName === \"##builtin/screenslot\"\r\n\r\nexport const builtins = window => ({\r\n  screenslot: screenSlotComponent(window),\r\n})\r\n",
diff --git a/packages/standard-components/public/clientAppDefinition.js b/packages/standard-components/public/clientAppDefinition.js
index c781299a5c..bfdbf48c96 100644
--- a/packages/standard-components/public/clientAppDefinition.js
+++ b/packages/standard-components/public/clientAppDefinition.js
@@ -5,7 +5,7 @@ window["##BUDIBASE_APPDEFINITION##"] = {
     children: [
       {
         name: "customer",
-        type: "record",
+        type: "row",
         fields: [
           {
             name: "name",
@@ -23,7 +23,7 @@ window["##BUDIBASE_APPDEFINITION##"] = {
         children: [
           {
             name: "invoiceyooo",
-            type: "record",
+            type: "row",
             fields: [
               {
                 name: "amount",
@@ -53,11 +53,11 @@ window["##BUDIBASE_APPDEFINITION##"] = {
           {
             name: "customer_invoices",
             type: "index",
-            map: "return {...record};",
+            map: "return {...row};",
             filter: "",
             indexType: "ancestor",
             getShardName: "",
-            getSortKey: "record.id",
+            getSortKey: "row.id",
             aggregateGroups: [],
             allowedTableNodeIds: [2],
             nodeId: 5,
@@ -73,11 +73,11 @@ window["##BUDIBASE_APPDEFINITION##"] = {
       {
         name: "Yeo index",
         type: "index",
-        map: "return {...record};",
+        map: "return {...row};",
         filter: "",
         indexType: "ancestor",
         getShardName: "",
-        getSortKey: "record.id",
+        getSortKey: "row.id",
         aggregateGroups: [],
         allowedTableNodeIds: [1],
         nodeId: 4,
@@ -85,11 +85,11 @@ window["##BUDIBASE_APPDEFINITION##"] = {
       {
         name: "everyones_invoices",
         type: "index",
-        map: "return {...record};",
+        map: "return {...row};",
         filter: "",
         indexType: "ancestor",
         getShardName: "",
-        getSortKey: "record.id",
+        getSortKey: "row.id",
         aggregateGroups: [],
         allowedTableNodeIds: [2],
         nodeId: 6,
diff --git a/packages/standard-components/src/Chart/Brush.svelte b/packages/standard-components/src/Chart/Brush.svelte
index 31bd79b92a..d1e736074b 100644
--- a/packages/standard-components/src/Chart/Brush.svelte
+++ b/packages/standard-components/src/Chart/Brush.svelte
@@ -54,8 +54,8 @@
   })
 
   async function fetchData() {
-    const FETCH_RECORDS_URL = `/api/views/all_${table}`
-    const response = await _bb.api.get(FETCH_RECORDS_URL)
+    const FETCH_ROWS_URL = `/api/views/all_${table}`
+    const response = await _bb.api.get(FETCH_ROWS_URL)
     if (response.status === 200) {
       const json = await response.json()
       store.update(state => {
@@ -63,7 +63,7 @@
         return state
       })
     } else {
-      throw new Error("Failed to fetch records.", response)
+      throw new Error("Failed to fetch rows.", response)
     }
   }
 
diff --git a/packages/standard-components/src/Chart/Bullet.svelte b/packages/standard-components/src/Chart/Bullet.svelte
index 83caea8136..04f3ef1648 100644
--- a/packages/standard-components/src/Chart/Bullet.svelte
+++ b/packages/standard-components/src/Chart/Bullet.svelte
@@ -46,8 +46,8 @@
   })
 
   async function fetchData() {
-    const FETCH_RECORDS_URL = `/api/views/all_${table}`
-    const response = await _bb.api.get(FETCH_RECORDS_URL)
+    const FETCH_ROWS_URL = `/api/views/all_${table}`
+    const response = await _bb.api.get(FETCH_ROWS_URL)
     if (response.status === 200) {
       const json = await response.json()
       store.update(state => {
@@ -55,7 +55,7 @@
         return state
       })
     } else {
-      throw new Error("Failed to fetch records.", response)
+      throw new Error("Failed to fetch rows.", response)
     }
   }
 
diff --git a/packages/standard-components/src/Chart/Donut.svelte b/packages/standard-components/src/Chart/Donut.svelte
index 09a4c536fb..89b314e3db 100644
--- a/packages/standard-components/src/Chart/Donut.svelte
+++ b/packages/standard-components/src/Chart/Donut.svelte
@@ -99,16 +99,16 @@
     let ignoreList = ["_id", "_rev", "id"]
     if (dataKey && data.every(d => d[dataKey])) {
       return data.map(d => {
-        let clonedRecord = { ...d }
-        if (clonedRecord[formatKey]) {
-          delete clonedRecord[formatKey]
+        let clonedRow = { ...d }
+        if (clonedRow[formatKey]) {
+          delete clonedRow[formatKey]
         }
-        let value = clonedRecord[dataKey]
+        let value = clonedRow[dataKey]
         if (!ignoreList.includes(dataKey)) {
-          delete clonedRecord[dataKey]
+          delete clonedRow[dataKey]
         }
-        clonedRecord[formatKey] = value
-        return clonedRecord
+        clonedRow[formatKey] = value
+        return clonedRow
       })
     } else {
       return data
diff --git a/packages/standard-components/src/Chart/Heatmap.svelte b/packages/standard-components/src/Chart/Heatmap.svelte
index daad75ddc0..9d2eb8d878 100644
--- a/packages/standard-components/src/Chart/Heatmap.svelte
+++ b/packages/standard-components/src/Chart/Heatmap.svelte
@@ -41,8 +41,8 @@
   })
 
   async function fetchData() {
-    const FETCH_RECORDS_URL = `/api/views/all_${table}`
-    const response = await _bb.api.get(FETCH_RECORDS_URL)
+    const FETCH_ROWS_URL = `/api/views/all_${table}`
+    const response = await _bb.api.get(FETCH_ROWS_URL)
     if (response.status === 200) {
       const json = await response.json()
       store.update(state => {
@@ -50,7 +50,7 @@
         return state
       })
     } else {
-      throw new Error("Failed to fetch records.", response)
+      throw new Error("Failed to fetch rows.", response)
     }
   }
 
diff --git a/packages/standard-components/src/Chart/ScatterPlot.svelte b/packages/standard-components/src/Chart/ScatterPlot.svelte
index 1f58d11e73..cc775fa6ee 100644
--- a/packages/standard-components/src/Chart/ScatterPlot.svelte
+++ b/packages/standard-components/src/Chart/ScatterPlot.svelte
@@ -70,8 +70,8 @@
   })
 
   async function fetchData() {
-    const FETCH_RECORDS_URL = `/api/views/all_${table}`
-    const response = await _bb.api.get(FETCH_RECORDS_URL)
+    const FETCH_ROWS_URL = `/api/views/all_${table}`
+    const response = await _bb.api.get(FETCH_ROWS_URL)
     if (response.status === 200) {
       const json = await response.json()
       store.update(state => {
@@ -79,7 +79,7 @@
         return state
       })
     } else {
-      throw new Error("Failed to fetch records.", response)
+      throw new Error("Failed to fetch rows.", response)
     }
   }
 
diff --git a/packages/standard-components/src/Chart/Sparkline.svelte b/packages/standard-components/src/Chart/Sparkline.svelte
index 372628c1e6..920843a080 100644
--- a/packages/standard-components/src/Chart/Sparkline.svelte
+++ b/packages/standard-components/src/Chart/Sparkline.svelte
@@ -45,8 +45,8 @@
   })
 
   async function fetchData() {
-    const FETCH_RECORDS_URL = `/api/views/all_${table}`
-    const response = await _bb.api.get(FETCH_RECORDS_URL)
+    const FETCH_ROWS_URL = `/api/views/all_${table}`
+    const response = await _bb.api.get(FETCH_ROWS_URL)
     if (response.status === 200) {
       const json = await response.json()
       store.update(state => {
@@ -54,7 +54,7 @@
         return state
       })
     } else {
-      throw new Error("Failed to fetch records.", response)
+      throw new Error("Failed to fetch rows.", response)
     }
   }
 
diff --git a/packages/standard-components/src/Chart/StackedArea.svelte b/packages/standard-components/src/Chart/StackedArea.svelte
index c493cabba6..04116c29f6 100644
--- a/packages/standard-components/src/Chart/StackedArea.svelte
+++ b/packages/standard-components/src/Chart/StackedArea.svelte
@@ -70,8 +70,8 @@
   })
 
   async function fetchData() {
-    const FETCH_RECORDS_URL = `/api/views/all_${table}`
-    const response = await _bb.api.get(FETCH_RECORDS_URL)
+    const FETCH_ROWS_URL = `/api/views/all_${table}`
+    const response = await _bb.api.get(FETCH_ROWS_URL)
     if (response.status === 200) {
       const json = await response.json()
       store.update(state => {
@@ -79,7 +79,7 @@
         return state
       })
     } else {
-      throw new Error("Failed to fetch records.", response)
+      throw new Error("Failed to fetch rows.", response)
     }
   }
 
diff --git a/packages/standard-components/src/Chart/StackedBar.svelte b/packages/standard-components/src/Chart/StackedBar.svelte
index 324bf42f78..f6e7a7a921 100644
--- a/packages/standard-components/src/Chart/StackedBar.svelte
+++ b/packages/standard-components/src/Chart/StackedBar.svelte
@@ -65,8 +65,8 @@
   })
 
   async function fetchData() {
-    const FETCH_RECORDS_URL = `/api/views/all_${table}`
-    const response = await _bb.api.get(FETCH_RECORDS_URL)
+    const FETCH_ROWS_URL = `/api/views/all_${table}`
+    const response = await _bb.api.get(FETCH_ROWS_URL)
     if (response.status === 200) {
       const json = await response.json()
       store.update(state => {
@@ -74,7 +74,7 @@
         return state
       })
     } else {
-      throw new Error("Failed to fetch records.", response)
+      throw new Error("Failed to fetch rows.", response)
     }
   }
 
diff --git a/packages/standard-components/src/Chart/Step.svelte b/packages/standard-components/src/Chart/Step.svelte
index 044b39bb4e..b193d78f4c 100644
--- a/packages/standard-components/src/Chart/Step.svelte
+++ b/packages/standard-components/src/Chart/Step.svelte
@@ -60,8 +60,8 @@
   })
 
   async function fetchData() {
-    const FETCH_RECORDS_URL = `/api/views/all_${table}`
-    const response = await _bb.api.get(FETCH_RECORDS_URL)
+    const FETCH_ROWS_URL = `/api/views/all_${table}`
+    const response = await _bb.api.get(FETCH_ROWS_URL)
     if (response.status === 200) {
       const json = await response.json()
       store.update(state => {
@@ -69,7 +69,7 @@
         return state
       })
     } else {
-      throw new Error("Failed to fetch records.", response)
+      throw new Error("Failed to fetch rows.", response)
     }
   }
 
diff --git a/packages/standard-components/src/Chart/tests/line.html b/packages/standard-components/src/Chart/tests/line.html
index 2df1369f30..0340a3ddd4 100644
--- a/packages/standard-components/src/Chart/tests/line.html
+++ b/packages/standard-components/src/Chart/tests/line.html
@@ -32,7 +32,7 @@ audited: new Date("2020-01-01T16:00:00-08:00"),
 city: "Belfast",
 name: 1,
 tableId: "2334751ac0764c1a931bff5b6b6767eb",
-type: "record",
+type: "row",
 _id: "ceb87054790f480e80512368545755bb",
 _rev: "2-56e401ebaf59e6310b85fb0c6c2fece5",
 },
@@ -42,7 +42,7 @@ audited: new Date("2020-01-03T16:00:00-08:00"),
 city: "Belfast",
 name: 1,
 tableId: "2334751ac0764c1a931bff5b6b6767eb",
-type: "record",
+type: "row",
 _id: "0a36103b55124f348a23d10b2f3ed0e3",
 _rev: "2-50d62530b2edfc63d5fd0b3719dbb286",
 },
@@ -52,7 +52,7 @@ audited: new Date("2020-01-04T16:00:00-08:00"),
 city: "Belfast",
 name: 1,
 tableId: "2334751ac0764c1a931bff5b6b6767eb",
-type: "record",
+type: "row",
 _id: "68ade2bb94754caa8fc62c7084e3cef7",
 _rev: "2-a03fe02f3595920adfbcd9c70564fe9d",
 },
@@ -62,7 +62,7 @@ audited: new Date("2020-01-01T16:00:00-08:00"),
 city: "Dublin",
 name: 2,
 tableId: "2334751ac0764c1a931bff5b6b6767eb",
-type: "record",
+type: "row",
 _id: "2ab6dabf833f4d99b3438fa4353ba429",
 _rev: "2-45b190489e76842981902cc9f04369ec",
 },
@@ -72,7 +72,7 @@ audited: new Date("2020-01-02T16:00:00-08:00"),
 city: "Dublin",
 name: 2,
 tableId: "2334751ac0764c1a931bff5b6b6767eb",
-type: "record",
+type: "row",
 _id: "1b2ca36db1724427a98ba95547f946e0",
 _rev: "2-c43def17ada959948b9af5484ad5b6b7",
 },
@@ -82,7 +82,7 @@ audited: new Date("2020-01-03T16:00:00-08:00"),
 city: "Dublin",
 name: 2,
 tableId: "2334751ac0764c1a931bff5b6b6767eb",
-type: "record",
+type: "row",
 _id: "d9235d884a224ca68ac30cefdbb8ae53",
 _rev: "2-695e426a261a25474cbf6b1f069dccb4",
 },
@@ -92,7 +92,7 @@ audited: new Date("2020-01-04T16:00:00-08:00"),
 city: "Dublin",
 name: 2,
 tableId: "2334751ac0764c1a931bff5b6b6767eb",
-type: "record",
+type: "row",
 _id: "9f8bc39a9cfb4f779da8c998d7622927",
 _rev: "2-8ae1aff82e1ffc6ffa75f6b9d074e003",
 },
@@ -102,7 +102,7 @@ audited: new Date("2020-01-02T16:00:00-08:00"),
 city: "London",
 name: 3,
 tableId: "2334751ac0764c1a931bff5b6b6767eb",
-type: "record",
+type: "row",
 _id: "75274e906073493bbf75cda8656e8db0",
 _rev: "2-6cfc6bb2fccb83c92b50aa5507f2a092"
 },
@@ -112,7 +112,7 @@ audited: new Date("2020-01-06T16:00:00-08:00"),
 city: "London",
 name: 3,
 tableId: "2334751ac0764c1a931bff5b6b6767eb",
-type: "record",
+type: "row",
 _id: "da3d4b151bc641f4ace487a2314d2550",
 _rev: "2-ac18490eaa016be0e71bd4c4ea332981",
 }
diff --git a/packages/standard-components/src/Chart/utils.js b/packages/standard-components/src/Chart/utils.js
index f226e0ef62..7cd682e88d 100644
--- a/packages/standard-components/src/Chart/utils.js
+++ b/packages/standard-components/src/Chart/utils.js
@@ -24,16 +24,16 @@ export function reformatDataKey(data = [], dataKey = null, formatKey = null) {
   let ignoreList = ["_id", "_rev", "id"]
   if (dataKey && data.every(d => d[dataKey])) {
     return data.map(d => {
-      let clonedRecord = { ...d }
-      if (clonedRecord[formatKey]) {
-        delete clonedRecord[formatKey]
+      let clonedRow = { ...d }
+      if (clonedRow[formatKey]) {
+        delete clonedRow[formatKey]
       }
-      let value = clonedRecord[dataKey]
+      let value = clonedRow[dataKey]
       if (!ignoreList.includes(dataKey)) {
-        delete clonedRecord[dataKey]
+        delete clonedRow[dataKey]
       }
-      clonedRecord[formatKey] = value
-      return clonedRecord
+      clonedRow[formatKey] = value
+      return clonedRow
     })
   } else {
     return data
diff --git a/packages/standard-components/src/DataChart.svelte b/packages/standard-components/src/DataChart.svelte
index 4e659902c8..4948fa2cc6 100644
--- a/packages/standard-components/src/DataChart.svelte
+++ b/packages/standard-components/src/DataChart.svelte
@@ -26,8 +26,8 @@
   $: console.log("CHART CONFIGS", chartConfigs)
 
   async function fetchData() {
-    const FETCH_RECORDS_URL = `/api/views/all_${table}`
-    const response = await _bb.api.get(FETCH_RECORDS_URL)
+    const FETCH_ROWS_URL = `/api/views/all_${table}`
+    const response = await _bb.api.get(FETCH_ROWS_URL)
     if (response.status === 200) {
       const json = await response.json()
       store.update(state => {
@@ -35,7 +35,7 @@
         return state
       })
     } else {
-      throw new Error("Failed to fetch records.", response)
+      throw new Error("Failed to fetch rows.", response)
     }
   }
 
diff --git a/packages/standard-components/src/DataList.svelte b/packages/standard-components/src/DataList.svelte
index 502c005c1c..343ea886ad 100644
--- a/packages/standard-components/src/DataList.svelte
+++ b/packages/standard-components/src/DataList.svelte
@@ -11,8 +11,8 @@
   async function fetchData() {
     if (!table || !table.length) return
 
-    const FETCH_RECORDS_URL = `/api/views/all_${table}`
-    const response = await _bb.api.get(FETCH_RECORDS_URL)
+    const FETCH_ROWS_URL = `/api/views/all_${table}`
+    const response = await _bb.api.get(FETCH_ROWS_URL)
     if (response.status === 200) {
       const json = await response.json()
 
@@ -21,7 +21,7 @@
         return state
       })
     } else {
-      throw new Error("Failed to fetch records.", response)
+      throw new Error("Failed to fetch rows.", response)
     }
   }
 
diff --git a/packages/standard-components/src/DataTable.svelte b/packages/standard-components/src/DataTable.svelte
index 6e4bdb5804..1a220df46e 100644
--- a/packages/standard-components/src/DataTable.svelte
+++ b/packages/standard-components/src/DataTable.svelte
@@ -49,7 +49,7 @@
 
   const shouldDisplayField = name => {
     if (name.startsWith("_")) return false
-    // always 'record'
+    // always 'row'
     if (name === "type") return false
     // tables are always tied to a single tableId, this is irrelevant
     if (name === "tableId") return false
diff --git a/packages/standard-components/src/Form.svelte b/packages/standard-components/src/Form.svelte
index bdd05d3d78..a7876fdded 100644
--- a/packages/standard-components/src/Form.svelte
+++ b/packages/standard-components/src/Form.svelte
@@ -10,7 +10,7 @@
     Toggle,
   } from "@budibase/bbui"
   import Dropzone from "./attachments/Dropzone.svelte"
-  import LinkedRecordSelector from "./LinkedRecordSelector.svelte"
+  import LinkedRowSelector from "./LinkedRowSelector.svelte"
   import debounce from "lodash.debounce"
   import ErrorsBox from "./ErrorsBox.svelte"
   import { capitalise } from "./helpers"
@@ -34,12 +34,12 @@
     link: [],
   }
 
-  let record
+  let row
   let store = _bb.store
   let schema = {}
   let tableDef = {}
   let saved = false
-  let recordId
+  let rowId
   let isNew = true
   let errors = {}
 
@@ -53,7 +53,7 @@
     const response = await _bb.api.get(FETCH_TABLE_URL)
     tableDef = await response.json()
     schema = tableDef.schema
-    record = {
+    row = {
       tableId: table,
     }
   }
@@ -61,13 +61,13 @@
   const save = debounce(async () => {
     for (let field of fields) {
       // Assign defaults to empty fields to prevent validation issues
-      if (!(field in record)) {
-        record[field] = DEFAULTS_FOR_TYPE[schema[field].type]
+      if (!(field in row)) {
+        row[field] = DEFAULTS_FOR_TYPE[schema[field].type]
       }
     }
 
-    const SAVE_RECORD_URL = `/api/${table}/records`
-    const response = await _bb.api.post(SAVE_RECORD_URL, record)
+    const SAVE_ROW_URL = `/api/${table}/rows`
+    const response = await _bb.api.post(SAVE_ROW_URL, row)
 
     const json = await response.json()
 
@@ -79,9 +79,9 @@
 
       errors = {}
 
-      // wipe form, if new record, otherwise update
+      // wipe form, if new row, otherwise update
       // table to get new _rev
-      record = isNew ? { tableId: table } : json
+      row = isNew ? { tableId: table } : json
 
       // set saved, and unset after 1 second
       // i.e. make the success notifier appear, then disappear again after time
@@ -100,18 +100,18 @@
 
   onMount(async () => {
     const routeParams = _bb.routeParams()
-    recordId =
+    rowId =
       Object.keys(routeParams).length > 0 && (routeParams.id || routeParams[0])
-    isNew = !recordId || recordId === "new"
+    isNew = !rowId || rowId === "new"
 
     if (isNew) {
-      record = { tableId: table }
+      row = { tableId: table }
       return
     }
 
-    const GET_RECORD_URL = `/api/${table}/records/${recordId}`
-    const response = await _bb.api.get(GET_RECORD_URL)
-    record = await response.json()
+    const GET_ROW_URL = `/api/${table}/rows/${rowId}`
+    const response = await _bb.api.get(GET_ROW_URL)
+    row = await response.json()
   })
 </script>
 
@@ -129,29 +129,29 @@
           </Label>
         {/if}
         {#if schema[field].type === 'options'}
-          <Select secondary bind:value={record[field]}>
+          <Select secondary bind:value={row[field]}>
             <option value="">Choose an option</option>
             {#each schema[field].constraints.inclusion as opt}
               <option>{opt}</option>
             {/each}
           </Select>
         {:else if schema[field].type === 'datetime'}
-          <DatePicker bind:value={record[field]} />
+          <DatePicker bind:value={row[field]} />
         {:else if schema[field].type === 'boolean'}
           <Toggle
             text={wide ? null : capitalise(schema[field].name)}
-            bind:checked={record[field]} />
+            bind:checked={row[field]} />
         {:else if schema[field].type === 'number'}
-          <Input type="number" bind:value={record[field]} />
+          <Input type="number" bind:value={row[field]} />
         {:else if schema[field].type === 'string'}
-          <Input bind:value={record[field]} />
+          <Input bind:value={row[field]} />
         {:else if schema[field].type === 'attachment'}
-          <Dropzone bind:files={record[field]} />
+          <Dropzone bind:files={row[field]} />
         {:else if schema[field].type === 'link'}
-          <LinkedRecordSelector
+          <LinkedRowSelector
             secondary
             showLabel={false}
-            bind:linkedRecords={record[field]}
+            bind:linkedRows={row[field]}
             schema={schema[field]} />
         {/if}
       </div>
diff --git a/packages/standard-components/src/LinkedRecordSelector.svelte b/packages/standard-components/src/LinkedRowSelector.svelte
similarity index 69%
rename from packages/standard-components/src/LinkedRecordSelector.svelte
rename to packages/standard-components/src/LinkedRowSelector.svelte
index 4b87684f46..385c0b3d6b 100644
--- a/packages/standard-components/src/LinkedRecordSelector.svelte
+++ b/packages/standard-components/src/LinkedRowSelector.svelte
@@ -5,7 +5,7 @@
   import { capitalise } from "./helpers"
 
   export let schema = {}
-  export let linkedRecords = []
+  export let linkedRows = []
   export let showLabel = true
   export let secondary
 
@@ -13,7 +13,7 @@
 
   $: label = capitalise(schema.name)
   $: linkedTableId = schema.tableId
-  $: recordsPromise = fetchRecords(linkedTableId)
+  $: rowsPromise = fetchRows(linkedTableId)
   $: fetchTable(linkedTableId)
 
   async function fetchTable() {
@@ -25,17 +25,17 @@
     linkedTable = await response.json()
   }
 
-  async function fetchRecords(linkedTableId) {
+  async function fetchRows(linkedTableId) {
     if (linkedTableId == null) {
       return
     }
-    const FETCH_RECORDS_URL = `/api/${linkedTableId}/records`
-    const response = await api.get(FETCH_RECORDS_URL)
+    const FETCH_ROWS_URL = `/api/${linkedTableId}/rows`
+    const response = await api.get(FETCH_ROWS_URL)
     return await response.json()
   }
 
-  function getPrettyName(record) {
-    return record[(linkedTable && linkedTable.primaryDisplay) || "_id"]
+  function getPrettyName(row) {
+    return row[(linkedTable && linkedTable.primaryDisplay) || "_id"]
   }
 </script>
 
@@ -50,14 +50,14 @@
       table.
     </Label>
   {:else}
-    {#await recordsPromise then records}
+    {#await rowsPromise then rows}
       <Multiselect
         {secondary}
-        bind:value={linkedRecords}
+        bind:value={linkedRows}
         label={showLabel ? label : null}
         placeholder="Choose some options">
-        {#each records as record}
-          <option value={record._id}>{getPrettyName(record)}</option>
+        {#each rows as row}
+          <option value={row._id}>{getPrettyName(row)}</option>
         {/each}
       </Multiselect>
     {/await}
diff --git a/packages/standard-components/src/RecordDetail.svelte b/packages/standard-components/src/RowDetail.svelte
similarity index 56%
rename from packages/standard-components/src/RecordDetail.svelte
rename to packages/standard-components/src/RowDetail.svelte
index 2e51bd3937..d20a6e706a 100644
--- a/packages/standard-components/src/RecordDetail.svelte
+++ b/packages/standard-components/src/RowDetail.svelte
@@ -14,46 +14,46 @@
     return await response.json()
   }
 
-  async function fetchFirstRecord() {
-    const FETCH_RECORDS_URL = `/api/views/all_${table}`
-    const response = await _bb.api.get(FETCH_RECORDS_URL)
+  async function fetchFirstRow() {
+    const FETCH_ROWS_URL = `/api/views/all_${table}`
+    const response = await _bb.api.get(FETCH_ROWS_URL)
     if (response.status === 200) {
-      const allRecords = await response.json()
-      if (allRecords.length > 0) return allRecords[0]
+      const allRows = await response.json()
+      if (allRows.length > 0) return allRows[0]
     }
   }
 
   async function fetchData() {
     const pathParts = window.location.pathname.split("/")
 
-    let record
+    let row
     // if srcdoc, then we assume this is the builder preview
     if (pathParts.length === 0 || pathParts[0] === "srcdoc") {
-      record = await fetchFirstRecord()
+      row = await fetchFirstRow()
     } else {
       const id = pathParts[pathParts.length - 1]
-      const GET_RECORD_URL = `/api/${table}/records/${id}`
-      const response = await _bb.api.get(GET_RECORD_URL)
+      const GET_ROW_URL = `/api/${table}/rows/${id}`
+      const response = await _bb.api.get(GET_ROW_URL)
       if (response.status === 200) {
-        record = await response.json()
+        row = await response.json()
       }
     }
 
-    if (record) {
-      // Fetch table schema so we can check for linked records
-      const table = await fetchTable(record.tableId)
+    if (row) {
+      // Fetch table schema so we can check for linked rows
+      const table = await fetchTable(row.tableId)
       for (let key of Object.keys(table.schema)) {
         if (table.schema[key].type === "link") {
-          record[key] = Array.isArray(record[key]) ? record[key].length : 0
+          row[key] = Array.isArray(row[key]) ? row[key].length : 0
         }
       }
 
       _bb.attachChildren(target, {
         hydrate: false,
-        context: record,
+        context: row,
       })
     } else {
-      throw new Error("Failed to fetch record.", response)
+      throw new Error("Failed to fetch row.", response)
     }
   }
 
diff --git a/packages/standard-components/src/Templates/saveRecordButton.js b/packages/standard-components/src/Templates/saveRowButton.js
similarity index 57%
rename from packages/standard-components/src/Templates/saveRecordButton.js
rename to packages/standard-components/src/Templates/saveRowButton.js
index 86d4bcc625..d496be2a23 100644
--- a/packages/standard-components/src/Templates/saveRecordButton.js
+++ b/packages/standard-components/src/Templates/saveRowButton.js
@@ -1,22 +1,22 @@
-export default ({ records }) =>
-  records.map(r => ({
+export default ({ rows }) =>
+  rows.map(r => ({
     name: `Save ${r.name} Button`,
     props: buttonProps(r),
   }))
 
-const buttonProps = record => ({
+const buttonProps = row => ({
   _component: "@budibase/standard-components/button",
   _children: [
     {
       _component: "@budibase/standard-components/text",
-      text: `Save ${record.name}`,
+      text: `Save ${row.name}`,
     },
   ],
   onClick: [
     {
-      "##eventHandlerType": "Save Record",
+      "##eventHandlerType": "Save Row",
       parameters: {
-        statePath: `${record.name}`,
+        statePath: `${row.name}`,
       },
     },
   ],
diff --git a/packages/standard-components/src/fetchData.js b/packages/standard-components/src/fetchData.js
index 3722522b80..cdd08ceb91 100644
--- a/packages/standard-components/src/fetchData.js
+++ b/packages/standard-components/src/fetchData.js
@@ -4,22 +4,22 @@ export default async function fetchData(datasource) {
   const { isTable, name } = datasource
 
   if (name) {
-    const records = isTable ? await fetchTableData() : await fetchViewData()
+    const rows = isTable ? await fetchTableData() : await fetchViewData()
 
-    // Fetch table schema so we can check for linked records
-    if (records && records.length) {
-      const table = await fetchTable(records[0].tableId)
+    // Fetch table schema so we can check for linked rows
+    if (rows && rows.length) {
+      const table = await fetchTable(rows[0].tableId)
       const keys = Object.keys(table.schema)
-      records.forEach(record => {
+      rows.forEach(row => {
         for (let key of keys) {
           if (table.schema[key].type === "link") {
-            record[key] = Array.isArray(record[key]) ? record[key].length : 0
+            row[key] = Array.isArray(row[key]) ? row[key].length : 0
           }
         }
       })
     }
 
-    return records
+    return rows
   }
 
   async function fetchTable(id) {
diff --git a/packages/standard-components/src/index.js b/packages/standard-components/src/index.js
index 0ce5088cb8..369a01bfcd 100644
--- a/packages/standard-components/src/index.js
+++ b/packages/standard-components/src/index.js
@@ -11,7 +11,7 @@ export { default as radiobutton } from "./Radiobutton.svelte"
 export { default as option } from "./Option.svelte"
 export { default as button } from "./Button.svelte"
 export { default as login } from "./Login.svelte"
-export { default as saveRecordButton } from "./Templates/saveRecordButton"
+export { default as saveRowButton } from "./Templates/saveRowButton"
 export { default as link } from "./Link.svelte"
 export { default as image } from "./Image.svelte"
 export { default as Navigation } from "./Navigation.svelte"
@@ -26,7 +26,7 @@ export { default as embed } from "./Embed.svelte"
 export { default as stackedlist } from "./StackedList.svelte"
 export { default as card } from "./Card.svelte"
 export { default as cardhorizontal } from "./CardHorizontal.svelte"
-export { default as recorddetail } from "./RecordDetail.svelte"
+export { default as rowdetail } from "./RowDetail.svelte"
 export { default as datepicker } from "./DatePicker.svelte"
 export * from "./Chart"
 export { default as icon } from "./Icon.svelte"