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97 changes: 97 additions & 0 deletions
97
packages/picasso/src/LexicalEditor/plugins/CustomOnChangePlugin.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,97 @@ | ||
| /** | ||
| * Copyright (c) Meta Platforms, Inc. and affiliates. | ||
| * | ||
| * This source code is licensed under the MIT license found in the | ||
| * LICENSE file in the root directory of this source tree. | ||
| */ | ||
| 'use strict' | ||
|
|
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| import { useLexicalComposerContext } from '@lexical/react/LexicalComposerContext' | ||
| import type { EditorState, LexicalEditor } from 'lexical' | ||
|
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| const react = require('react') | ||
|
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| /** | ||
| * Copyright (c) Meta Platforms, Inc. and affiliates. | ||
| * | ||
| * This source code is licensed under the MIT license found in the | ||
| * LICENSE file in the root directory of this source tree. | ||
| * | ||
| */ | ||
| const CAN_USE_DOM = | ||
| typeof window !== 'undefined' && | ||
| typeof window.document !== 'undefined' && | ||
| typeof window.document.createElement !== 'undefined' | ||
|
|
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| /** | ||
| * Copyright (c) Meta Platforms, Inc. and affiliates. | ||
| * | ||
| * This source code is licensed under the MIT license found in the | ||
| * LICENSE file in the root directory of this source tree. | ||
| * | ||
| */ | ||
| const useLayoutEffectImpl = CAN_USE_DOM | ||
| ? react.useLayoutEffect | ||
| : react.useEffect | ||
| const useLayoutEffect = useLayoutEffectImpl | ||
|
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| /** | ||
| * Copyright (c) Meta Platforms, Inc. and affiliates. | ||
| * | ||
| * This source code is licensed under the MIT license found in the | ||
| * LICENSE file in the root directory of this source tree. | ||
| * | ||
| */ | ||
| const CustomOnChangePlugin = ({ | ||
| ignoreHistoryMergeTagChange = true, | ||
| ignoreSelectionChange = false, | ||
| triggerOnChangeOnStart = false, | ||
| onChange, | ||
| }: { | ||
| ignoreHistoryMergeTagChange?: boolean | ||
| ignoreSelectionChange?: boolean | ||
| triggerOnChangeOnStart?: boolean | ||
| onChange: ( | ||
| editorState: EditorState, | ||
| editor: LexicalEditor, | ||
| tags: Set<string> | ||
| ) => void | ||
| }) => { | ||
| const [editor] = useLexicalComposerContext() | ||
|
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| useLayoutEffect(() => { | ||
| if (onChange) { | ||
| return editor.registerUpdateListener( | ||
| ({ | ||
| editorState, | ||
| dirtyElements, | ||
| dirtyLeaves, | ||
| prevEditorState, | ||
| tags, | ||
| }) => { | ||
| if (triggerOnChangeOnStart && prevEditorState.isEmpty()) { | ||
| onChange(editorState, editor, tags) | ||
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| return | ||
| } | ||
|
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| if ( | ||
| (ignoreSelectionChange && | ||
| dirtyElements.size === 0 && | ||
| dirtyLeaves.size === 0) || | ||
| (ignoreHistoryMergeTagChange && tags.has('history-merge')) || | ||
| prevEditorState.isEmpty() | ||
| ) { | ||
| return | ||
| } | ||
|
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| onChange(editorState, editor, tags) | ||
| } | ||
| ) | ||
| } | ||
| }, [editor, ignoreHistoryMergeTagChange, ignoreSelectionChange, onChange]) | ||
|
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| return null | ||
| } | ||
|
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| export default CustomOnChangePlugin |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1 @@ | ||
| export { default as CustomOnChangePlugin } from './CustomOnChangePlugin' |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,10 @@ | ||
| import type { HastNode } from 'hast-util-to-dom/lib' | ||
| import toHtml from 'hast-util-to-html' | ||
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| import type { ASTType } from '../../RichText' | ||
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| export const getDomValue = (value: ASTType) => { | ||
| const parser = new DOMParser() | ||
|
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| return parser.parseFromString(toHtml(value as HastNode), 'text/html') | ||
| } |
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41 changes: 41 additions & 0 deletions
41
packages/picasso/src/LexicalEditor/utils/setEditorValue.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,41 @@ | ||
| import type { LexicalEditor as LexicalEditorType } from 'lexical' | ||
| import { | ||
| $createParagraphNode, | ||
| $isLineBreakNode, | ||
| $getRoot, | ||
| $isDecoratorNode, | ||
| $isElementNode, | ||
| } from 'lexical' | ||
| import { $generateNodesFromDOM } from '@lexical/html' | ||
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| import type { ASTType } from '../../RichText' | ||
| import { getDomValue } from './getDomValue' | ||
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| export const setEditorValue = (editor: LexicalEditorType, value: ASTType) => { | ||
| const domValue = getDomValue(value) | ||
|
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| editor.update( | ||
| () => { | ||
| const root = $getRoot() | ||
| const lexicalValueNodes = $generateNodesFromDOM(editor, domValue) | ||
|
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| lexicalValueNodes.forEach(node => { | ||
| if ($isElementNode(node) || $isDecoratorNode(node)) { | ||
| root.append(node) | ||
| } else if ($isLineBreakNode(node)) { | ||
| const paragraphNode = $createParagraphNode() | ||
|
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| root.append(paragraphNode) | ||
| } else { | ||
| const paragraphNode = $createParagraphNode() | ||
|
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| paragraphNode.append(node) | ||
| root.append(paragraphNode) | ||
| } | ||
| }) | ||
| }, | ||
| { | ||
| discrete: true, | ||
| } | ||
| ) | ||
| } |
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