BookStack Code Mirror - bookstack/blob - resources/js/wysiwyg/lexical/utils/__tests__/unit/LexicalRootHelpers.test.ts

   1 /**
   2  * Copyright (c) Meta Platforms, Inc. and affiliates.
   3  *
   4  * This source code is licensed under the MIT license found in the
   5  * LICENSE file in the root directory of this source tree.
   6  *
   7  */
   8
   9 import {
  10   $isRootTextContentEmpty,
  11   $isRootTextContentEmptyCurry,
  12   $rootTextContent,
  13 } from '@lexical/text';
  14 import {$createParagraphNode, $createTextNode, $getRoot} from 'lexical';
  15 import {initializeUnitTest} from 'lexical/__tests__/utils';
  16
  17 describe('LexicalRootHelpers tests', () => {
  18   initializeUnitTest((testEnv) => {
  19     it('textContent', async () => {
  20       const editor = testEnv.editor;
  21
  22       expect(editor.getEditorState().read($rootTextContent)).toBe('');
  23
  24       await editor.update(() => {
  25         const root = $getRoot();
  26         const paragraph = $createParagraphNode();
  27         const text = $createTextNode('foo');
  28         root.append(paragraph);
  29         paragraph.append(text);
  30
  31         expect($rootTextContent()).toBe('foo');
  32       });
  33
  34       expect(editor.getEditorState().read($rootTextContent)).toBe('foo');
  35     });
  36
  37     it('isBlank', async () => {
  38       const editor = testEnv.editor;
  39
  40       expect(
  41         editor
  42           .getEditorState()
  43           .read($isRootTextContentEmptyCurry(editor.isComposing())),
  44       ).toBe(true);
  45
  46       await editor.update(() => {
  47         const root = $getRoot();
  48         const paragraph = $createParagraphNode();
  49         const text = $createTextNode('foo');
  50         root.append(paragraph);
  51         paragraph.append(text);
  52
  53         expect($isRootTextContentEmpty(editor.isComposing())).toBe(false);
  54       });
  55
  56       expect(
  57         editor
  58           .getEditorState()
  59           .read($isRootTextContentEmptyCurry(editor.isComposing())),
  60       ).toBe(false);
  61     });
  62   });
  63 });