Merge pull request #645 from Budibase/template-export

Template export
2020-10-02 17:19:03 +01:00 · 2020-10-02 17:19:03 +01:00 · f106739510
parent 2120ed99c1 016f49ac5a
commit f106739510
30 changed files with 409 additions and 48 deletions
--- a/package.json
+++ b/package.json
@ -30,6 +30,7 @@
    "test:e2e:ci": "lerna run cy:ci"
  },
  "dependencies": {
-    "@fortawesome/fontawesome": "^1.1.8"
+    "@fortawesome/fontawesome": "^1.1.8",
+    "pouchdb-replication-stream": "^1.2.9"
  }
 }
--- a/packages/builder/src/components/start/AppList.svelte
+++ b/packages/builder/src/components/start/AppList.svelte
@ -1,9 +1,30 @@
 <script>
  import AppCard from "./AppCard.svelte"
-  export let apps
+  import { Heading } from "@budibase/bbui"
+  import Spinner from "components/common/Spinner.svelte"
+  import { get } from "builderStore/api"
+
+  let promise = getApps()
+
+  async function getApps() {
+    const res = await get("/api/applications")
+    const json = await res.json()
+
+    if (res.ok) {
+      return json
+    } else {
+      throw new Error(json)
+    }
+  }
 </script>

 <div class="root">
+  <Heading medium black>Your Apps</Heading>
+  {#await promise}
+    <div class="spinner-container">
+      <Spinner size="30" />
+    </div>
+  {:then apps}
    <div class="inner">
      <div>
        <div>
@ -15,6 +36,9 @@
        </div>
      </div>
    </div>
+  {:catch err}
+    <h1 style="color:red">{err}</h1>
+  {/await}
 </div>

 <style>
--- a/packages/builder/src/components/start/CreateAppModal.svelte
+++ b/packages/builder/src/components/start/CreateAppModal.svelte
@ -21,6 +21,7 @@
  const createAppStore = writable({ currentStep: 0, values: {} })

  export let hasKey
+  export let template

  let isApiKeyValid
  let lastApiKey
@ -142,11 +143,13 @@
      // Create App
      const appResp = await post("/api/applications", {
        name: $createAppStore.values.applicationName,
+        template,
      })
      const appJson = await appResp.json()
      analytics.captureEvent("App Created", {
        name,
        appId: appJson._id,
+        template,
      })

      // Select Correct Application/DB in prep for creating user
@ -222,6 +225,7 @@
          <div class:hidden={$createAppStore.currentStep !== i}>
            <svelte:component
              this={step.component}
+              {template}
              {validationErrors}
              options={step.options}
              name={step.name} />
--- a/packages/builder/src/components/start/Steps/Info.svelte
+++ b/packages/builder/src/components/start/Steps/Info.svelte
@ -1,10 +1,15 @@
 <script>
-  import { Input } from "@budibase/bbui"
+  import { Input, Heading, Body } from "@budibase/bbui"
  export let validationErrors
+  export let template

  let blurred = { appName: false }
 </script>

+{#if template}
+  <Heading small black>Selected Template</Heading>
+  <Body>{template.name}</Body>
+{/if}
 <h2>Create your web app</h2>
 <div class="container">
  <Input
--- a/packages/builder/src/components/start/TemplateList.svelte
+++ b/packages/builder/src/components/start/TemplateList.svelte
@ -0,0 +1,75 @@
+<script>
+  import { Button, Heading, Body } from "@budibase/bbui"
+  import AppCard from "./AppCard.svelte"
+  import Spinner from "components/common/Spinner.svelte"
+  import api from "builderStore/api"
+
+  export let onSelect
+
+  async function fetchTemplates() {
+    const response = await api.get("/api/templates?type=app")
+    return await response.json()
+  }
+
+  let templatesPromise = fetchTemplates()
+</script>
+
+<div class="root">
+  <Heading medium black>Start With a Template</Heading>
+  {#await templatesPromise}
+    <div class="spinner-container">
+      <Spinner size="30" />
+    </div>
+  {:then templates}
+    <div class="templates">
+      {#each templates as template}
+        <div class="templates-card">
+          <Heading black medium>{template.name}</Heading>
+          <Body medium grey>{template.category}</Body>
+          <Body small black>{template.description}</Body>
+          <div>
+            <img src={template.image} width="300" />
+          </div>
+          <div class="card-footer">
+            <Button secondary on:click={() => onSelect(template)}>
+              Create {template.name}
+            </Button>
+          </div>
+        </div>
+      {/each}
+    </div>
+  {:catch err}
+    <h1 style="color:red">{err}</h1>
+  {/await}
+</div>
+
+<style>
+  .templates {
+    display: grid;
+    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
+    grid-gap: var(--layout-m);
+    justify-content: start;
+  }
+
+  .templates-card {
+    background-color: var(--white);
+    padding: var(--spacing-xl);
+    border-radius: var(--border-radius-m);
+    border: var(--border-dark);
+  }
+
+  .card-footer {
+    margin-top: var(--spacing-m);
+  }
+
+  h3 {
+    font-size: var(--font-size-l);
+    font-weight: 600;
+    color: var(--ink);
+    text-transform: capitalize;
+  }
+
+  .root {
+    margin: 20px 80px;
+  }
+</style>
--- a/packages/builder/src/pages/index.svelte
+++ b/packages/builder/src/pages/index.svelte
@ -5,25 +5,12 @@
  import AppList from "components/start/AppList.svelte"
  import { onMount } from "svelte"
  import ActionButton from "components/common/ActionButton.svelte"
-  import { get } from "builderStore/api"
  import Spinner from "components/common/Spinner.svelte"
  import CreateAppModal from "components/start/CreateAppModal.svelte"
+  import TemplateList from "components/start/TemplateList.svelte"
  import { Button } from "@budibase/bbui"
  import analytics from "analytics"

-  let promise = getApps()
-
-  async function getApps() {
-    const res = await get("/api/applications")
-    const json = await res.json()
-
-    if (res.ok) {
-      return json
-    } else {
-      throw new Error(json)
-    }
-  }
-
  let hasKey

  async function fetchKeys() {
@ -47,11 +34,12 @@
  // Handle create app modal
  const { open } = getContext("simple-modal")

-  const showCreateAppModal = () => {
+  const showCreateAppModal = template => {
    open(
      CreateAppModal,
      {
        hasKey,
+        template,
      },
      {
        closeButton: false,
@ -68,7 +56,7 @@

 <div class="header">
  <div class="welcome">Welcome to the Budibase Beta</div>
-  <Button primary purple on:click={showCreateAppModal}>
+  <Button primary purple on:click={() => showCreateAppModal()}>
    Create New Web App
  </Button>
 </div>
@ -80,15 +68,8 @@
  </div>
 </div>

-{#await promise}
-  <div class="spinner-container">
-    <Spinner />
-  </div>
-{:then result}
-  <AppList apps={result} />
-{:catch err}
-  <h1 style="color:red">{err}</h1>
-{/await}
+<TemplateList onSelect={showCreateAppModal} />
+<AppList />

 <style>
  .header {
@ -127,12 +108,4 @@
    color: var(--white);
    font-weight: 500;
  }
-
-  .spinner-container {
-    height: 100%;
-    width: 100%;
-    display: flex;
-    align-items: center;
-    justify-content: center;
-  }
 </style>
--- a/packages/server/build/icon.icns
+++ b/packages/server/build/icon.icns
--- a/packages/server/builder/assets/roboto-v20-latin-ext_latin-300.woff
+++ b/packages/server/builder/assets/roboto-v20-latin-ext_latin-300.woff
--- a/packages/server/builder/assets/roboto-v20-latin-ext_latin-300.woff2
+++ b/packages/server/builder/assets/roboto-v20-latin-ext_latin-300.woff2
--- a/packages/server/builder/assets/roboto-v20-latin-ext_latin-500.woff
+++ b/packages/server/builder/assets/roboto-v20-latin-ext_latin-500.woff
--- a/packages/server/builder/assets/roboto-v20-latin-ext_latin-500.woff2
+++ b/packages/server/builder/assets/roboto-v20-latin-ext_latin-500.woff2
--- a/packages/server/builder/assets/roboto-v20-latin-ext_latin-700.woff
+++ b/packages/server/builder/assets/roboto-v20-latin-ext_latin-700.woff
--- a/packages/server/builder/assets/roboto-v20-latin-ext_latin-700.woff2
+++ b/packages/server/builder/assets/roboto-v20-latin-ext_latin-700.woff2
--- a/packages/server/builder/assets/roboto-v20-latin-ext_latin-900.woff
+++ b/packages/server/builder/assets/roboto-v20-latin-ext_latin-900.woff
--- a/packages/server/builder/assets/roboto-v20-latin-ext_latin-900.woff2
+++ b/packages/server/builder/assets/roboto-v20-latin-ext_latin-900.woff2
--- a/packages/server/builder/assets/roboto-v20-latin-ext_latin-regular.woff
+++ b/packages/server/builder/assets/roboto-v20-latin-ext_latin-regular.woff
--- a/packages/server/builder/assets/roboto-v20-latin-ext_latin-regular.woff2
+++ b/packages/server/builder/assets/roboto-v20-latin-ext_latin-regular.woff2
--- a/packages/server/builder/assets/rocket.jpg
+++ b/packages/server/builder/assets/rocket.jpg
--- a/packages/server/builder/assets/spacex.jpg
+++ b/packages/server/builder/assets/spacex.jpg
--- a/packages/server/scripts/exportAppTemplate.js
+++ b/packages/server/scripts/exportAppTemplate.js
@ -0,0 +1,40 @@
+#!/usr/bin/env node
+const { exportTemplateFromApp } = require("../src/utilities/templates")
+const yargs = require("yargs")
+
+// Script to export a chosen budibase app into a package
+// Usage: ./scripts/exportAppTemplate.js export --name=Funky --instanceId=someInstanceId --appId=appId
+
+yargs
+  .command(
+    "export",
+    "Export an existing budibase application to the .budibase/templates directory",
+    {
+      name: {
+        description: "The name of the newly exported template",
+        alias: "n",
+        type: "string",
+      },
+      instanceId: {
+        description: "The instanceId to dump the database for",
+        alias: "inst",
+        type: "string",
+      },
+      appId: {
+        description: "The appId of the application you want to export",
+        alias: "app",
+        type: "string",
+      },
+    },
+    async args => {
+      console.log("Exporting app..")
+      const exportPath = await exportTemplateFromApp({
+        templateName: args.name,
+        instanceId: args.instanceId,
+        appId: args.appId,
+      })
+      console.log(`Template ${args.name} exported to ${exportPath}`)
+    }
+  )
+  .help()
+  .alias("help", "h").argv
--- a/packages/server/src/api/controllers/application.js
+++ b/packages/server/src/api/controllers/application.js
@ -66,6 +66,7 @@ exports.create = async function(ctx) {
    userInstanceMap: {},
    componentLibraries: ["@budibase/standard-components"],
    name: ctx.request.body.name,
+    template: ctx.request.body.template,
  }

  const { rev } = await db.put(newApplication)
@ -75,9 +76,13 @@ exports.create = async function(ctx) {
      appId: newApplication._id,
    },
    request: {
-      body: { name: `dev-${clientId}` },
+      body: {
+        name: `dev-${clientId}`,
+        template: ctx.request.body.template,
+      },
    },
  }
+
  await instanceController.create(createInstCtx)
  newApplication.instances.push(createInstCtx.body)

@ -154,6 +159,19 @@ const createEmptyAppPackage = async (ctx, app) => {
    name: npmFriendlyAppName(app.name),
  })

+  // if this app is being created from a template,
+  // copy the frontend page definition files from
+  // the template directory.
+  if (app.template) {
+    const templatePageDefinitions = join(
+      appsFolder,
+      "templates",
+      app.template.key,
+      "pages"
+    )
+    await copy(templatePageDefinitions, join(appsFolder, app._id, "pages"))
+  }
+
  const mainJson = await updateJsonFile(
    join(appsFolder, app._id, "pages", "main", "page.json"),
    app
--- a/packages/server/src/api/controllers/instance.js
+++ b/packages/server/src/api/controllers/instance.js
@ -1,9 +1,12 @@
+const fs = require("fs")
 const CouchDB = require("../../db")
 const client = require("../../db/clientDb")
 const newid = require("../../db/newid")
+const { downloadTemplate } = require("../../utilities/templates")

 exports.create = async function(ctx) {
  const instanceName = ctx.request.body.name
+  const template = ctx.request.body.template
  const { appId } = ctx.user
  const appShortId = appId.substring(0, 7)
  const instanceId = `inst_${appShortId}_${newid()}`
@ -51,6 +54,16 @@ exports.create = async function(ctx) {
  budibaseApp.instances.push(instance)
  await clientDb.put(budibaseApp)

+  // replicate the template data to the instance DB
+  if (template) {
+    const templatePath = await downloadTemplate(...template.key.split("/"))
+    const dbDumpReadStream = fs.createReadStream(`${templatePath}/db/dump.txt`)
+    const { ok } = await db.load(dbDumpReadStream)
+    if (!ok) {
+      ctx.throw(500, "Error loading database dump from template.")
+    }
+  }
+
  ctx.status = 200
  ctx.message = `Instance Database ${instanceName} successfully provisioned.`
  ctx.body = instance
--- a/packages/server/src/api/controllers/static.js
+++ b/packages/server/src/api/controllers/static.js
@ -2,7 +2,7 @@ const send = require("koa-send")
 const { resolve, join } = require("path")
 const jwt = require("jsonwebtoken")
 const fetch = require("node-fetch")
-const fs = require("fs")
+const fs = require("fs-extra")
 const uuid = require("uuid")
 const AWS = require("aws-sdk")
 const { prepareUploadForS3 } = require("./deploy/aws")
--- a/packages/server/src/api/controllers/templates.js
+++ b/packages/server/src/api/controllers/templates.js
@ -0,0 +1,44 @@
+const fetch = require("node-fetch")
+const {
+  downloadTemplate,
+  exportTemplateFromApp,
+} = require("../../utilities/templates")
+
+const DEFAULT_TEMPLATES_BUCKET =
+  "prod-budi-templates.s3-eu-west-1.amazonaws.com"
+
+exports.fetch = async function(ctx) {
+  const { type = "app" } = ctx.query
+
+  const response = await fetch(
+    `https://${DEFAULT_TEMPLATES_BUCKET}/manifest.json`
+  )
+  const json = await response.json()
+  ctx.body = Object.values(json.templates[type])
+}
+
+exports.downloadTemplate = async function(ctx) {
+  const { type, name } = ctx.params
+
+  await downloadTemplate(type, name)
+
+  ctx.body = {
+    message: `template ${type}:${name} downloaded successfully.`,
+  }
+}
+
+exports.exportTemplateFromApp = async function(ctx) {
+  const { appId, instanceId } = ctx.user
+  const { templateName } = ctx.request.body
+
+  await exportTemplateFromApp({
+    appId,
+    instanceId,
+    templateName,
+  })
+
+  ctx.status = 200
+  ctx.body = {
+    message: `Created template: ${templateName}`,
+  }
+}
--- a/packages/server/src/api/index.js
+++ b/packages/server/src/api/index.js
@ -19,6 +19,7 @@ const {
  automationRoutes,
  accesslevelRoutes,
  apiKeysRoutes,
+  templatesRoutes,
  analyticsRoutes,
 } = require("./routes")

@ -90,6 +91,9 @@ router.use(automationRoutes.allowedMethods())

 router.use(deployRoutes.routes())
 router.use(deployRoutes.allowedMethods())
+
+router.use(templatesRoutes.routes())
+router.use(templatesRoutes.allowedMethods())
 // end auth routes

 router.use(pageRoutes.routes())
--- a/packages/server/src/api/routes/index.js
+++ b/packages/server/src/api/routes/index.js
@ -13,6 +13,7 @@ const automationRoutes = require("./automation")
 const accesslevelRoutes = require("./accesslevel")
 const deployRoutes = require("./deploy")
 const apiKeysRoutes = require("./apikeys")
+const templatesRoutes = require("./templates")
 const analyticsRoutes = require("./analytics")

 module.exports = {
@ -31,5 +32,6 @@ module.exports = {
  automationRoutes,
  accesslevelRoutes,
  apiKeysRoutes,
+  templatesRoutes,
  analyticsRoutes,
 }
--- a/packages/server/src/api/routes/templates.js
+++ b/packages/server/src/api/routes/templates.js
@ -0,0 +1,17 @@
+const Router = require("@koa/router")
+const controller = require("../controllers/templates")
+const authorized = require("../../middleware/authorized")
+const { BUILDER } = require("../../utilities/accessLevels")
+
+const router = Router()
+
+router
+  .get("/api/templates", authorized(BUILDER), controller.fetch)
+  .get(
+    "/api/templates/:type/:name",
+    authorized(BUILDER),
+    controller.downloadTemplate
+  )
+  .post("/api/templates", authorized(BUILDER), controller.exportTemplateFromApp)
+
+module.exports = router
--- a/packages/server/src/db/client.js
+++ b/packages/server/src/db/client.js
@ -1,4 +1,5 @@
 const PouchDB = require("pouchdb")
+const replicationStream = require("pouchdb-replication-stream")
 const allDbs = require("pouchdb-all-dbs")
 const { budibaseAppsDir } = require("../utilities/budibaseDir")
 const env = require("../environment")
@ -6,6 +7,9 @@ const env = require("../environment")
 const COUCH_DB_URL = env.COUCH_DB_URL || `leveldb://${budibaseAppsDir()}/.data/`
 const isInMemory = env.NODE_ENV === "jest"

+PouchDB.plugin(replicationStream.plugin)
+PouchDB.adapter("writableStream", replicationStream.adapters.writableStream)
+
 let POUCH_DB_DEFAULTS = {
  prefix: COUCH_DB_URL,
 }
--- a/packages/server/src/utilities/templates.js
+++ b/packages/server/src/utilities/templates.js
@ -0,0 +1,57 @@
+const path = require("path")
+const fs = require("fs-extra")
+const os = require("os")
+const fetch = require("node-fetch")
+const stream = require("stream")
+const tar = require("tar-fs")
+const zlib = require("zlib")
+const { promisify } = require("util")
+const streamPipeline = promisify(stream.pipeline)
+const { budibaseAppsDir } = require("./budibaseDir")
+const CouchDB = require("../db")
+
+const DEFAULT_TEMPLATES_BUCKET =
+  "prod-budi-templates.s3-eu-west-1.amazonaws.com"
+
+exports.downloadTemplate = async function(type, name) {
+  const templateUrl = `https://${DEFAULT_TEMPLATES_BUCKET}/templates/${type}/${name}.tar.gz`
+  const response = await fetch(templateUrl)
+
+  if (!response.ok) {
+    throw new Error(
+      `Error downloading template ${type}:${name}: ${response.statusText}`
+    )
+  }
+
+  // stream the response, unzip and extract
+  await streamPipeline(
+    response.body,
+    zlib.Unzip(),
+    tar.extract(path.join(budibaseAppsDir(), "templates", type))
+  )
+
+  return path.join(budibaseAppsDir(), "templates", type, name)
+}
+
+exports.exportTemplateFromApp = async function({
+  appId,
+  templateName,
+  instanceId,
+}) {
+  // Copy frontend files
+  const appToExport = path.join(os.homedir(), ".budibase", appId, "pages")
+  const templatesDir = path.join(os.homedir(), ".budibase", "templates")
+  fs.ensureDirSync(templatesDir)
+
+  const templateOutputPath = path.join(templatesDir, templateName)
+  fs.copySync(appToExport, `${templateOutputPath}/pages`)
+
+  fs.ensureDirSync(path.join(templateOutputPath, "db"))
+  const writeStream = fs.createWriteStream(`${templateOutputPath}/db/dump.txt`)
+
+  // perform couch dump
+  const instanceDb = new CouchDB(instanceId)
+
+  await instanceDb.dump(writeStream)
+  return templateOutputPath
+}
--- a/yarn.lock
+++ b/yarn.lock
@ -913,6 +913,11 @@ argparse@^1.0.7:
  dependencies:
    sprintf-js "~1.0.2"

+argsarray@0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/argsarray/-/argsarray-0.0.1.tgz#6e7207b4ecdb39b0af88303fa5ae22bda8df61cb"
+  integrity sha1-bnIHtOzbObCviDA/pa4ivajfYcs=
+
 arr-diff@^4.0.0:
  version "4.0.0"
  resolved "https://registry.yarnpkg.com/arr-diff/-/arr-diff-4.0.0.tgz#d6461074febfec71e7e15235761a329a5dc7c520"
@ -2331,6 +2336,11 @@ ignore@^4.0.6:
  version "4.0.6"
  resolved "https://registry.yarnpkg.com/ignore/-/ignore-4.0.6.tgz#750e3db5862087b4737ebac8207ffd1ef27b25fc"

+immediate@~3.0.5:
+  version "3.0.6"
+  resolved "https://registry.yarnpkg.com/immediate/-/immediate-3.0.6.tgz#9db1dbd0faf8de6fbe0f5dd5e56bb606280de69b"
+  integrity sha1-nbHb0Pr43m++D13V5Wu2BigN5ps=
+
 import-fresh@^2.0.0:
  version "2.0.0"
  resolved "https://registry.yarnpkg.com/import-fresh/-/import-fresh-2.0.0.tgz#d81355c15612d386c61f9ddd3922d4304822a546"
@ -2377,7 +2387,7 @@ inflight@^1.0.4:
    once "^1.3.0"
    wrappy "1"

-inherits@2, inherits@^2.0.1, inherits@^2.0.3, inherits@~2.0.3:
+inherits@2, inherits@^2.0.1, inherits@^2.0.3, inherits@~2.0.1, inherits@~2.0.3:
  version "2.0.4"
  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.4.tgz#0fa2c64f932917c3433a0ded55363aae37416b7c"

@ -2628,6 +2638,11 @@ is-windows@^1.0.2:
  version "1.0.2"
  resolved "https://registry.yarnpkg.com/is-windows/-/is-windows-1.0.2.tgz#d1850eb9791ecd18e6182ce12a30f396634bb19d"

+isarray@0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/isarray/-/isarray-0.0.1.tgz#8a18acfca9a8f4177e09abfc6038939b05d1eedf"
+  integrity sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8=
+
 isarray@1.0.0, isarray@~1.0.0:
  version "1.0.0"
  resolved "https://registry.yarnpkg.com/isarray/-/isarray-1.0.0.tgz#bb935d48582cba168c06834957a54a3e07124f11"
@ -2790,6 +2805,13 @@ libnpmpublish@^1.1.1:
    semver "^5.5.1"
    ssri "^6.0.1"

+lie@3.1.1:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/lie/-/lie-3.1.1.tgz#9a436b2cc7746ca59de7a41fa469b3efb76bd87e"
+  integrity sha1-mkNrLMd0bKWd56QfpGmz77dr2H4=
+  dependencies:
+    immediate "~3.0.5"
+
 load-json-file@^1.0.0:
  version "1.1.0"
  resolved "https://registry.yarnpkg.com/load-json-file/-/load-json-file-1.1.0.tgz#956905708d58b4bab4c2261b04f59f31c99374c0"
@ -2839,6 +2861,11 @@ lodash.ismatch@^4.4.0:
  version "4.4.0"
  resolved "https://registry.yarnpkg.com/lodash.ismatch/-/lodash.ismatch-4.4.0.tgz#756cb5150ca3ba6f11085a78849645f188f85f37"

+lodash.pick@^4.0.0:
+  version "4.4.0"
+  resolved "https://registry.yarnpkg.com/lodash.pick/-/lodash.pick-4.4.0.tgz#52f05610fff9ded422611441ed1fc123a03001b3"
+  integrity sha1-UvBWEP/53tQiYRRB7R/BI6AwAbM=
+
 lodash.set@^4.3.2:
  version "4.3.2"
  resolved "https://registry.yarnpkg.com/lodash.set/-/lodash.set-4.3.2.tgz#d8757b1da807dde24816b0d6a84bea1a76230b23"
@ -3177,6 +3204,16 @@ natural-compare@^1.4.0:
  version "1.4.0"
  resolved "https://registry.yarnpkg.com/natural-compare/-/natural-compare-1.4.0.tgz#4abebfeed7541f2c27acfb29bdbbd15c8d5ba4f7"

+ndjson@^1.4.3:
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/ndjson/-/ndjson-1.5.0.tgz#ae603b36b134bcec347b452422b0bf98d5832ec8"
+  integrity sha1-rmA7NrE0vOw0e0UkIrC/mNWDLsg=
+  dependencies:
+    json-stringify-safe "^5.0.1"
+    minimist "^1.2.0"
+    split2 "^2.1.0"
+    through2 "^2.0.3"
+
 neo-async@^2.6.0:
  version "2.6.1"
  resolved "https://registry.yarnpkg.com/neo-async/-/neo-async-2.6.1.tgz#ac27ada66167fa8849a6addd837f6b189ad2081c"
@ -3680,6 +3717,34 @@ posix-character-classes@^0.1.0:
  version "0.1.1"
  resolved "https://registry.yarnpkg.com/posix-character-classes/-/posix-character-classes-0.1.1.tgz#01eac0fe3b5af71a2a6c02feabb8c1fef7e00eab"

+pouch-stream@^0.4.0:
+  version "0.4.1"
+  resolved "https://registry.yarnpkg.com/pouch-stream/-/pouch-stream-0.4.1.tgz#0c6d8475c9307677627991a2f079b301c3b89bdd"
+  integrity sha1-DG2EdckwdndieZGi8HmzAcO4m90=
+  dependencies:
+    inherits "^2.0.1"
+    readable-stream "^1.0.27-1"
+
+pouchdb-promise@^6.0.4:
+  version "6.4.3"
+  resolved "https://registry.yarnpkg.com/pouchdb-promise/-/pouchdb-promise-6.4.3.tgz#74516f4acf74957b54debd0fb2c0e5b5a68ca7b3"
+  integrity sha512-ruJaSFXwzsxRHQfwNHjQfsj58LBOY1RzGzde4PM5CWINZwFjCQAhZwfMrch2o/0oZT6d+Xtt0HTWhq35p3b0qw==
+  dependencies:
+    lie "3.1.1"
+
+pouchdb-replication-stream@^1.2.9:
+  version "1.2.9"
+  resolved "https://registry.yarnpkg.com/pouchdb-replication-stream/-/pouchdb-replication-stream-1.2.9.tgz#aa4fa5d8f52df4825392f18e07c7e11acffc650a"
+  integrity sha1-qk+l2PUt9IJTkvGOB8fhGs/8ZQo=
+  dependencies:
+    argsarray "0.0.1"
+    inherits "^2.0.3"
+    lodash.pick "^4.0.0"
+    ndjson "^1.4.3"
+    pouch-stream "^0.4.0"
+    pouchdb-promise "^6.0.4"
+    through2 "^2.0.0"
+
 prelude-ls@~1.1.2:
  version "1.1.2"
  resolved "https://registry.yarnpkg.com/prelude-ls/-/prelude-ls-1.1.2.tgz#21932a549f5e52ffd9a827f570e04be62a97da54"
@ -3862,6 +3927,16 @@ read@1, read@~1.0.1:
    string_decoder "^1.1.1"
    util-deprecate "^1.0.1"

+readable-stream@^1.0.27-1:
+  version "1.1.14"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-1.1.14.tgz#7cf4c54ef648e3813084c636dd2079e166c081d9"
+  integrity sha1-fPTFTvZI44EwhMY23SB54WbAgdk=
+  dependencies:
+    core-util-is "~1.0.0"
+    inherits "~2.0.1"
+    isarray "0.0.1"
+    string_decoder "~0.10.x"
+
 readdir-scoped-modules@^1.0.0:
  version "1.1.0"
  resolved "https://registry.yarnpkg.com/readdir-scoped-modules/-/readdir-scoped-modules-1.1.0.tgz#8d45407b4f870a0dcaebc0e28670d18e74514309"
@ -4216,7 +4291,7 @@ split-string@^3.0.1, split-string@^3.0.2:
  dependencies:
    extend-shallow "^3.0.0"

-split2@^2.0.0:
+split2@^2.0.0, split2@^2.1.0:
  version "2.2.0"
  resolved "https://registry.yarnpkg.com/split2/-/split2-2.2.0.tgz#186b2575bcf83e85b7d18465756238ee4ee42493"
  dependencies:
@ -4321,6 +4396,11 @@ string_decoder@^1.1.1:
  dependencies:
    safe-buffer "~5.2.0"

+string_decoder@~0.10.x:
+  version "0.10.31"
+  resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-0.10.31.tgz#62e203bc41766c6c28c9fc84301dab1c5310fa94"
+  integrity sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ=
+
 string_decoder@~1.1.1:
  version "1.1.1"
  resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.1.1.tgz#9cf1611ba62685d7030ae9e4ba34149c3af03fc8"
@ -4441,7 +4521,7 @@ text-table@^0.2.0:
  version "0.2.0"
  resolved "https://registry.yarnpkg.com/text-table/-/text-table-0.2.0.tgz#7f5ee823ae805207c00af2df4a84ec3fcfa570b4"

-through2@^2.0.0, through2@^2.0.2:
+through2@^2.0.0, through2@^2.0.2, through2@^2.0.3:
  version "2.0.5"
  resolved "https://registry.yarnpkg.com/through2/-/through2-2.0.5.tgz#01c1e39eb31d07cb7d03a96a70823260b23132cd"
  dependencies: