A small ux improvement to the automation scripting system.

packages/builder/src/components/automation/SetupPanel/AutomationBlockSetup.svelte

@@ -33,6 +33,8 @@
   import Editor from "components/integration/QueryEditor.svelte"
   import ModalBindableInput from "components/common/bindings/ModalBindableInput.svelte"
   import CodeEditor from "components/common/CodeEditor/CodeEditor.svelte"
+  import BindingPicker from "components/common/bindings/BindingPicker.svelte"
+  import { BindingHelpers } from "components/common/bindings/utils"
   import {
     bindingsToCompletions,
     hbAutocomplete,
@@ -56,7 +58,7 @@
   let drawer
   let fillWidth = true
   let inputData
-  let codeBindingOpen = false
+  let insertAtPos, getCaretPosition
   $: filters = lookForFilters(schemaProperties) || []
   $: tempFilters = filters
   $: stepId = block.stepId
@@ -75,6 +77,10 @@
   $: isUpdateRow = stepId === ActionStepID.UPDATE_ROW
   $: codeMode =
     stepId === "EXECUTE_BASH" ? EditorModes.Handlebars : EditorModes.JS
+  $: bindingsHelpers = new BindingHelpers(getCaretPosition, insertAtPos, {
+    disableWrapping: true,
+  })
+  $: editingJs = codeMode === EditorModes.JS
 
   $: stepCompletions =
     codeMode === EditorModes.Handlebars
@@ -539,18 +545,8 @@
             />
           {:else if value.customType === "code"}
             <CodeEditorModal>
-              {#if codeMode == EditorModes.JS}
-                <ActionButton
-                  on:click={() => (codeBindingOpen = !codeBindingOpen)}
-                  quiet
-                  icon={codeBindingOpen ? "ChevronDown" : "ChevronRight"}
-                >
-                  <Detail size="S">Bindings</Detail>
-                </ActionButton>
-                {#if codeBindingOpen}
-                  <pre>{JSON.stringify(bindings, null, 2)}</pre>
-                {/if}
-              {/if}
+              <div class:js-editor={editingJs}>
+                <div class:js-code={editingJs} style="width: 100%">
                   <CodeEditor
                     value={inputData[key]}
                     on:change={e => {
@@ -560,11 +556,13 @@
                     }}
                     completions={stepCompletions}
                     mode={codeMode}
-                autocompleteEnabled={codeMode != EditorModes.JS}
+                    autocompleteEnabled={codeMode !== EditorModes.JS}
+                    bind:getCaretPosition
+                    bind:insertAtPos
                     height={500}
                   />
                   <div class="messaging">
-                {#if codeMode == EditorModes.Handlebars}
+                    {#if codeMode === EditorModes.Handlebars}
                       <Icon name="FlashOn" />
                       <div class="messaging-wrap">
                         <div>
@@ -575,6 +573,26 @@
                       </div>
                     {/if}
                   </div>
+                </div>
+                {#if editingJs}
+                  <div class="js-binding-picker">
+                    <BindingPicker
+                      {bindings}
+                      allowHelpers={false}
+                      addBinding={binding =>
+                        bindingsHelpers.onSelectBinding(
+                          inputData[key],
+                          binding,
+                          {
+                            js: true,
+                            decode: false,
+                          }
+                        )}
+                      mode="javascript"
+                    />
+                  </div>
+                {/if}
+              </div>
             </CodeEditorModal>
           {:else if value.customType === "loopOption"}
             <Select
@@ -658,4 +676,19 @@
   .test :global(.drawer) {
     width: 10000px !important;
   }
+
+  .js-editor {
+    display: flex;
+    flex-direction: row;
+    flex-grow: 1;
+    width: 100%;
+  }
+
+  .js-code {
+    flex: 7;
+  }
+
+  .js-binding-picker {
+    flex: 3;
+  }
 </style>

packages/builder/src/components/common/CodeEditor/CodeEditor.svelte

@@ -54,6 +54,7 @@
   export let placeholder = null
   export let autocompleteEnabled = true
   export let autofocus = false
+  export let jsBindingWrapping = true
 
   // Export a function to expose caret position
   export const getCaretPosition = () => {
@@ -187,7 +188,7 @@
       )
       complete.push(
         EditorView.inputHandler.of((view, from, to, insert) => {
-          if (insert === "$") {
+          if (jsBindingWrapping && insert === "$") {
             let { text } = view.state.doc.lineAt(from)
 
             const left = from ? text.substring(0, from) : ""

packages/builder/src/components/common/CodeEditor/index.js

@@ -286,13 +286,14 @@ export const hbInsert = (value, from, to, text) => {
   return parsedInsert
 }
 
-export function jsInsert(value, from, to, text, { helper } = {}) {
+export function jsInsert(value, from, to, text, { helper, disableWrapping }) {
   let parsedInsert = ""
 
   const left = from ? value.substring(0, from) : ""
   const right = to ? value.substring(to) : ""
-
-  if (helper) {
+  if (disableWrapping) {
+    parsedInsert = text
+  } else if (helper) {
     parsedInsert = `helpers.${text}()`
   } else if (!left.includes('$("') || !right.includes('")')) {
     parsedInsert = `$("${text}")`

packages/builder/src/components/common/bindings/BindingPanel.svelte

@@ -29,10 +29,9 @@
     hbAutocomplete,
     EditorModes,
     bindingsToCompletions,
-    hbInsert,
-    jsInsert,
   } from "../CodeEditor"
   import BindingPicker from "./BindingPicker.svelte"
+  import { BindingHelpers } from "./utils"
 
   const dispatch = createEventDispatcher()
 
@@ -60,8 +59,10 @@
   let targetMode = null
 
   $: usingJS = mode === "JavaScript"
-  $: editorMode = mode == "JavaScript" ? EditorModes.JS : EditorModes.Handlebars
+  $: editorMode =
+    mode === "JavaScript" ? EditorModes.JS : EditorModes.Handlebars
   $: bindingCompletions = bindingsToCompletions(bindings, editorMode)
+  $: bindingHelpers = new BindingHelpers(getCaretPosition, insertAtPos)
 
   const updateValue = val => {
     valid = isValid(readableToRuntimeBinding(bindings, val))
@@ -70,31 +71,13 @@
     }
   }
 
-  // Adds a JS/HBS helper to the expression
   const onSelectHelper = (helper, js) => {
-    const pos = getCaretPosition()
-    const { start, end } = pos
-    if (js) {
-      let js = decodeJSBinding(jsValue)
-      const insertVal = jsInsert(js, start, end, helper.text, { helper: true })
-      insertAtPos({ start, end, value: insertVal })
-    } else {
-      const insertVal = hbInsert(hbsValue, start, end, helper.text)
-      insertAtPos({ start, end, value: insertVal })
-    }
+    bindingHelpers.onSelectHelper(js ? jsValue : hbsValue, helper, js)
   }
 
-  // Adds a data binding to the expression
   const onSelectBinding = (binding, { forceJS } = {}) => {
-    const { start, end } = getCaretPosition()
-    if (usingJS || forceJS) {
-      let js = decodeJSBinding(jsValue)
-      const insertVal = jsInsert(js, start, end, binding.readableBinding)
-      insertAtPos({ start, end, value: insertVal })
-    } else {
-      const insertVal = hbInsert(hbsValue, start, end, binding.readableBinding)
-      insertAtPos({ start, end, value: insertVal })
-    }
+    const js = usingJS || forceJS
+    bindingHelpers.onSelectBinding(js ? jsValue : hbsValue, binding, { js })
   }
 
   const onChangeMode = e => {

packages/builder/src/components/common/bindings/utils.js

@@ -1,38 +1,41 @@
-export function addHBSBinding(value, caretPos, binding) {
-  binding = typeof binding === "string" ? binding : binding.path
-  value = value == null ? "" : value
+import { decodeJSBinding } from "@budibase/string-templates"
+import { hbInsert, jsInsert } from "components/common/CodeEditor"
 
-  const left = caretPos?.start ? value.substring(0, caretPos.start) : ""
-  const right = caretPos?.end ? value.substring(caretPos.end) : ""
-  if (!left.includes("{{") || !right.includes("}}")) {
-    binding = `{{ ${binding} }}`
-  }
-  if (caretPos.start) {
-    value =
-      value.substring(0, caretPos.start) +
-      binding +
-      value.substring(caretPos.end, value.length)
-  } else {
-    value += binding
-  }
-  return value
+export class BindingHelpers {
+  constructor(getCaretPosition, insertAtPos, { disableWrapping } = {}) {
+    this.getCaretPosition = getCaretPosition
+    this.insertAtPos = insertAtPos
+    this.disableWrapping = disableWrapping
   }
 
-export function addJSBinding(value, caretPos, binding, { helper } = {}) {
-  binding = typeof binding === "string" ? binding : binding.path
-  value = value == null ? "" : value
-  if (!helper) {
-    binding = `$("${binding}")`
+  // Adds a JS/HBS helper to the expression
+  onSelectHelper(value, helper, { js }) {
+    const pos = this.getCaretPosition()
+    const { start, end } = pos
+    if (js) {
+      const jsVal = decodeJSBinding(value)
+      const insertVal = jsInsert(jsVal, start, end, helper.text, {
+        helper: true,
+      })
+      this.insertAtPos({ start, end, value: insertVal })
     } else {
-    binding = `helpers.${binding}()`
+      const insertVal = hbInsert(value, start, end, helper.text)
+      this.insertAtPos({ start, end, value: insertVal })
     }
-  if (caretPos.start) {
-    value =
-      value.substring(0, caretPos.start) +
-      binding +
-      value.substring(caretPos.end, value.length)
+  }
+
+  // Adds a data binding to the expression
+  onSelectBinding(value, binding, { js, decode }) {
+    const { start, end } = this.getCaretPosition()
+    if (js) {
+      const jsVal = decode ? decodeJSBinding(value) : value
+      const insertVal = jsInsert(jsVal, start, end, binding.readableBinding, {
+        disableWrapping: this.disableWrapping,
+      })
+      this.insertAtPos({ start, end, value: insertVal })
     } else {
-    value += binding
+      const insertVal = hbInsert(value, start, end, binding.readableBinding)
+      this.insertAtPos({ start, end, value: insertVal })
+    }
   }
-  return value
 }