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refactor: cleanup scroll handlers (#5709)

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Alexey Pyltsyn 2021-10-15 14:07:03 +03:00 • committed by GitHub
parent c12fe963c9
commit e22170408a
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3 changed files with 77 additions and 92 deletions
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9
packages/docusaurus-theme-common/src/utils/useLocationChange.ts
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@ -5,7 +5,7 @@
* LICENSE file in the root directory of this source tree.
*/
import {useEffect, useRef} from 'react';
import {useEffect} from 'react';
import {useLocation} from '@docusaurus/router';
import {Location} from '@docusaurus/history';
import {usePrevious} from './usePrevious';
@ -20,15 +20,8 @@ type OnLocationChange = (locationChangeEvent: LocationChangeEvent) => void;
export function useLocationChange(onLocationChange: OnLocationChange): void {
const location = useLocation();
const previousLocation = usePrevious(location);
const isFirst = useRef<boolean>(true);
useEffect(() => {
// Prevent first effect to trigger the listener on mount
if (isFirst.current) {
isFirst.current = false;
return;
}
onLocationChange({
location,
previousLocation,