57fa1305a6
* First steps of remove react-keydown, replace with hook * RegisterKeyDown component to aid transition away from react-keydown
11 lines
214 B
JavaScript
11 lines
214 B
JavaScript
// @flow
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import * as React from "react";
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export default function usePrevious<T>(value: T): T | void {
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const ref = React.useRef();
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React.useEffect(() => {
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ref.current = value;
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});
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return ref.current;
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}
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