fix: prevent Escape from opening formatting toolbar in editor (#14133)

app/javascript/dashboard/helper/editorHelper.js

@@ -2,6 +2,7 @@ import {
   messageSchema,
   MessageMarkdownTransformer,
   MessageMarkdownSerializer,
+  Selection,
 } from '@chatwoot/prosemirror-schema';
 import { replaceVariablesInMessage } from '@chatwoot/utils';
 import * as Sentry from '@sentry/vue';
@@ -273,6 +274,18 @@ export const scrollCursorIntoView = view => {
   }
 };
 
+/**
+ * Collapse the current selection to a cursor near its head. Used to override
+ * the default Escape -> selectParentNode behavior which would otherwise keep
+ * the text highlight visible.
+ *
+ * @param {EditorView} view - The ProseMirror EditorView
+ */
+export const collapseSelection = view => {
+  const { tr, selection } = view.state;
+  view.dispatch(tr.setSelection(Selection.near(selection.$head)));
+};
+
 /**
  * Returns a transaction that inserts a node into editor at the given position
  * Has an optional param 'content' to check if the

app/javascript/dashboard/helper/specs/editorHelper.spec.js

@@ -16,6 +16,7 @@ import {
   calculateMenuPosition,
   stripUnsupportedFormatting,
   stripInlineBase64Images,
+  collapseSelection,
 } from '../editorHelper';
 import { FORMATTING } from 'dashboard/constants/editor';
 import { EditorState } from '@chatwoot/prosemirror-schema';
@@ -454,6 +455,37 @@ describe('stripInlineBase64Images', () => {
   });
 });
 
+describe('collapseSelection', () => {
+  it('collapses a text range to a cursor at its head', () => {
+    const editorView = new EditorView(document.body, {
+      state: createEditorState('Hello world'),
+    });
+
+    // Build a TextSelection via the initial selection's constructor (avoids
+    // importing prosemirror-state, which isn't a direct dep).
+    const { doc, selection } = editorView.state;
+    editorView.dispatch(
+      editorView.state.tr.setSelection(selection.constructor.create(doc, 1, 6))
+    );
+    expect(editorView.state.selection.empty).toBe(false);
+
+    collapseSelection(editorView);
+
+    expect(editorView.state.selection.empty).toBe(true);
+    expect(editorView.state.selection.head).toBe(6);
+  });
+
+  it('leaves an already-collapsed selection as a cursor', () => {
+    const editorView = new EditorView(document.body, {
+      state: createEditorState('Hi'),
+    });
+
+    collapseSelection(editorView);
+
+    expect(editorView.state.selection.empty).toBe(true);
+  });
+});
+
 describe('insertAtCursor', () => {
   it('should return undefined if editorView is not provided', () => {
     const result = insertAtCursor(undefined, schema.text('Hello'), 0);