Stefan Hacker
18 lines
677 B
JavaScript
18 lines
677 B
JavaScript
define(["require", "exports", "react"], function (require, exports, React) {
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.usePrevious = usePrevious;
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/**
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* Hook keeping track of a given value from a previous execution of the component the Hook is used in.
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*
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* See [React Hooks FAQ](https://reactjs.org/docs/hooks-faq.html#how-to-get-the-previous-props-or-state)
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*/
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function usePrevious(value) {
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var ref = React.useRef(undefined);
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React.useEffect(function () {
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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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});
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//# sourceMappingURL=usePrevious.js.map
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