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23 lines
484 B
JavaScript
23 lines
484 B
JavaScript
import { useEffect, useRef } from 'react'
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export default function (callback, delay) {
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const savedCallback = useRef()
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// Remember the last callbac
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useEffect(() => {
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savedCallback.current = callback
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}, [callback])
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// Set up the interval
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useEffect(() => {
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function tick() {
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savedCallback.current()
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}
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if (delay !== null) {
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const id = setInterval(tick, delay)
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return () => {
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clearInterval(id)
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}
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}
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}, [callback, delay])
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}
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