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31 lines
1.1 KiB
JavaScript
31 lines
1.1 KiB
JavaScript
/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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import { useEffect } from 'react';
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import { useLocation } from '@docusaurus/router';
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import { useEvent, usePrevious } from './reactUtils';
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/**
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* Fires an effect when the location changes (which includes hash, query, etc.).
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* Importantly, doesn't fire when there's no previous location: see
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* https://github.com/facebook/docusaurus/pull/6696
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*/
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export function useLocationChange(onLocationChange) {
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const location = useLocation();
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const previousLocation = usePrevious(location);
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const onLocationChangeDynamic = useEvent(onLocationChange);
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useEffect(() => {
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if (!previousLocation) {
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return;
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}
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if (location !== previousLocation) {
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onLocationChangeDynamic({
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location,
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previousLocation,
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});
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}
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}, [onLocationChangeDynamic, location, previousLocation]);
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}
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//# sourceMappingURL=useLocationChange.js.map
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