22 lines
624 B
TypeScript
22 lines
624 B
TypeScript
import { useState, useEffect, useRef } from "react";
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export function useThrottle<T>(value: T, delay: number) {
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const [throttledValue, setThrottledValue] = useState<T>(value);
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const time = useRef<number>(0);
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useEffect(() => {
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const now = Date.now();
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if (now > time.current + delay) {
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time.current = now;
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setThrottledValue(value);
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} else {
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const handler = setTimeout(() => {
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setThrottledValue(value);
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}, delay);
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return () => clearTimeout(handler);
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}
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}, [value, delay]);
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return throttledValue;
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} |