17 lines
438 B
JavaScript
17 lines
438 B
JavaScript
// packages/react/use-previous/src/use-previous.tsx
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import * as React from "react";
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function usePrevious(value) {
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const ref = React.useRef({ value, previous: value });
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return React.useMemo(() => {
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if (ref.current.value !== value) {
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ref.current.previous = ref.current.value;
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ref.current.value = value;
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}
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return ref.current.previous;
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}, [value]);
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}
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export {
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usePrevious
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};
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//# sourceMappingURL=index.mjs.map
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