Marc Mintel
5397309103
Some checks failed
Build & Deploy / 🔍 Prepare (push) Successful in 20s
Build & Deploy / 🧪 QA (push) Failing after 34s
Build & Deploy / 🏗️ Build (push) Has started running
Build & Deploy / 🚀 Deploy (push) Has been cancelled
Build & Deploy / 🧪 Smoke Test (push) Has been cancelled
Build & Deploy / ⚡ Lighthouse (push) Has been cancelled
Build & Deploy / 🔔 Notify (push) Has been cancelled
72 lines
2.3 KiB
Plaintext
72 lines
2.3 KiB
Plaintext
/**
|
|
* 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.
|
|
*
|
|
*/
|
|
|
|
import { useLexicalComposerContext } from '@lexical/react/LexicalComposerContext';
|
|
import { useLayoutEffect, useEffect, useMemo, useState, useRef } from 'react';
|
|
|
|
/**
|
|
* 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';
|
|
|
|
/**
|
|
* 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.
|
|
*
|
|
*/
|
|
|
|
|
|
// This workaround is no longer necessary in React 19,
|
|
// but we currently support React >=17.x
|
|
// https://github.com/facebook/react/pull/26395
|
|
const useLayoutEffectImpl = CAN_USE_DOM ? useLayoutEffect : useEffect;
|
|
|
|
/**
|
|
* 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.
|
|
*
|
|
*/
|
|
|
|
/**
|
|
* Shortcut to Lexical subscriptions when values are used for render.
|
|
* @param subscription - The function to create the {@link LexicalSubscription}. This function's identity must be stable (e.g. defined at module scope or with useCallback).
|
|
*/
|
|
function useLexicalSubscription(subscription) {
|
|
const [editor] = useLexicalComposerContext();
|
|
const initializedSubscription = useMemo(() => subscription(editor), [editor, subscription]);
|
|
const [value, setValue] = useState(() => initializedSubscription.initialValueFn());
|
|
const valueRef = useRef(value);
|
|
useLayoutEffectImpl(() => {
|
|
const {
|
|
initialValueFn,
|
|
subscribe
|
|
} = initializedSubscription;
|
|
const currentValue = initialValueFn();
|
|
if (valueRef.current !== currentValue) {
|
|
valueRef.current = currentValue;
|
|
setValue(currentValue);
|
|
}
|
|
return subscribe(newValue => {
|
|
valueRef.current = newValue;
|
|
setValue(newValue);
|
|
});
|
|
}, [initializedSubscription, subscription]);
|
|
return value;
|
|
}
|
|
|
|
export { useLexicalSubscription };
|