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37 lines
984 B
JavaScript
37 lines
984 B
JavaScript
import { useLayoutEffect, useRef } from 'react'
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function useResizeObserver(observedElement, observedData, callback) {
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const resizeObserver = useRef()
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function observe() {
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resizeObserver.current = new ResizeObserver(function(elementsObserved) {
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callback(elementsObserved[0])
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})
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}
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function unobserve(observedCurrent) {
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resizeObserver.current.unobserve(observedCurrent)
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}
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useLayoutEffect(() => {
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if ('ResizeObserver' in window) {
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const observedCurrent = observedElement && observedElement.current
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if (observedCurrent) {
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observe(observedElement.current)
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}
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if (resizeObserver.current && observedCurrent) {
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resizeObserver.current.observe(observedCurrent)
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}
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return () => {
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if (observedCurrent) {
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unobserve(observedCurrent)
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}
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}
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}
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// eslint-disable-next-line react-hooks/exhaustive-deps
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}, [observedElement, observedData])
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}
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export default useResizeObserver
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