18 lines
447 B
JavaScript
18 lines
447 B
JavaScript
import { useRef, useEffect } from 'react'
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export function useTraceUpdate(props) {
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const prev = useRef(props)
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useEffect(() => {
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const changedProps = Object.entries(props).reduce((ps, [k, v]) => {
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if (prev.current[k] !== v) {
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ps[k] = [prev.current[k], v]
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}
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return ps
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}, {})
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if (Object.keys(changedProps).length > 0) {
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console.log('Changed props:', changedProps)
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}
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prev.current = props
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})
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}
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