Files
ragflow/web/src/hooks/use-callback-ref.ts
Jin Hai cb3de6ae98 TS: add apache license (#18064)
Signed-off-by: Jin Hai <haijin.chn@gmail.com>
2026-08-11 11:15:45 +08:00

44 lines
1.3 KiB
TypeScript

/*
* Copyright 2026 The InfiniFlow Authors. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import * as React from 'react';
/**
* @see https://github.com/radix-ui/primitives/blob/main/packages/react/use-callback-ref/src/useCallbackRef.tsx
*/
/**
* A custom hook that converts a callback to a ref to avoid triggering re-renders when passed as a
* prop or avoid re-executing effects when passed as a dependency
*/
function useCallbackRef<T extends (...args: never[]) => unknown>(
callback: T | undefined,
): T {
const callbackRef = React.useRef(callback);
React.useEffect(() => {
callbackRef.current = callback;
});
// https://github.com/facebook/react/issues/19240
return React.useMemo(
() => ((...args) => callbackRef.current?.(...args)) as T,
[],
);
}
export { useCallbackRef };