Marc Mintel
5397309103
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59 lines
1.8 KiB
Plaintext
59 lines
1.8 KiB
Plaintext
/**
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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*/
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import { $isRootTextContentEmptyCurry } from '@lexical/text';
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import { useLayoutEffect, useEffect, useState } from 'react';
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/**
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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*/
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const CAN_USE_DOM = typeof window !== 'undefined' && typeof window.document !== 'undefined' && typeof window.document.createElement !== 'undefined';
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/**
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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*/
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// This workaround is no longer necessary in React 19,
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// but we currently support React >=17.x
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// https://github.com/facebook/react/pull/26395
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const useLayoutEffectImpl = CAN_USE_DOM ? useLayoutEffect : useEffect;
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/**
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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*/
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function useLexicalIsTextContentEmpty(editor, trim) {
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const [isEmpty, setIsEmpty] = useState(editor.getEditorState().read($isRootTextContentEmptyCurry(editor.isComposing(), trim)));
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useLayoutEffectImpl(() => {
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return editor.registerUpdateListener(({
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editorState
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}) => {
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const isComposing = editor.isComposing();
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const currentIsEmpty = editorState.read($isRootTextContentEmptyCurry(isComposing, trim));
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setIsEmpty(currentIsEmpty);
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});
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}, [editor, trim]);
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return isEmpty;
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}
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export { useLexicalIsTextContentEmpty };
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