mirror of https://github.com/usememos/memos.git
50 lines
1.3 KiB
TypeScript
50 lines
1.3 KiB
TypeScript
import { useCallback, useEffect, useRef } from "react";
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/**
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* Custom hook for debouncing function calls
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*
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* @param callback - Function to debounce
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* @param delay - Delay in milliseconds before invoking the callback
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* @returns Debounced version of the callback function
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*
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* @example
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* ```tsx
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* const debouncedSearch = useDebounce((query: string) => {
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* performSearch(query);
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* }, 300);
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*
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* // Call multiple times, only last call executes after 300ms
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* debouncedSearch("hello");
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* ```
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*/
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export function useDebounce<T extends (...args: any[]) => void>(callback: T, delay: number): (...args: Parameters<T>) => void {
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const timeoutRef = useRef<ReturnType<typeof setTimeout> | null>(null);
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const callbackRef = useRef(callback);
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// Keep callback ref up to date
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useEffect(() => {
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callbackRef.current = callback;
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}, [callback]);
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// Clean up timeout on unmount
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useEffect(() => {
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return () => {
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if (timeoutRef.current) {
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clearTimeout(timeoutRef.current);
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}
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};
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}, []);
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return useCallback(
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(...args: Parameters<T>) => {
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if (timeoutRef.current) {
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clearTimeout(timeoutRef.current);
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}
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timeoutRef.current = setTimeout(() => {
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callbackRef.current(...args);
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}, delay);
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},
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[delay],
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);
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}
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