32 lines
886 B
JavaScript
32 lines
886 B
JavaScript
import { useState, useEffect } from 'react';
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/**
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* See: https://usehooks.com/useDebounce/
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*
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* @param {*} value
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* @param {number} delay - delat in ms
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*/
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export default function useDebounce(value, delay) {
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// State and setters for debounced value
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const [debouncedValue, setDebouncedValue] = useState(value);
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useEffect(
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() => {
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// Update debounced value after delay
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const handler = setTimeout(() => {
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setDebouncedValue(value);
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}, delay);
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// Cancel the timeout if value changes (also on delay change or unmount)
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// This is how we prevent debounced value from updating if value is changed ...
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// .. within the delay period. Timeout gets cleared and restarted.
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return () => {
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clearTimeout(handler);
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};
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},
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[value, delay] // Only re-call effect if value or delay changes
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);
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return debouncedValue;
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}
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