main
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Last change
on this file was d565449, checked in by stefan toskovski <stefantoska84@…>, 4 weeks ago |
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Update repo after prototype presentation
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100644
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File size:
552 bytes
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| [d565449] | 1 | import { useRef } from 'react';
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| 2 | import { useFirstMountState } from './useFirstMountState';
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| 3 | var strictEquals = function (prev, next) { return prev === next; };
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| 4 | export default function usePreviousDistinct(value, compare) {
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| 5 | if (compare === void 0) { compare = strictEquals; }
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| 6 | var prevRef = useRef();
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| 7 | var curRef = useRef(value);
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| 8 | var isFirstMount = useFirstMountState();
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| 9 | if (!isFirstMount && !compare(curRef.current, value)) {
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| 10 | prevRef.current = curRef.current;
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| 11 | curRef.current = value;
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| 12 | }
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| 13 | return prevRef.current;
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| 14 | }
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