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documentation/node_modules/@docusaurus/theme-common/lib/utils/historyUtils.js
2024-03-22 03:47:51 +05:30

85 lines
3.0 KiB
JavaScript

/**
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
import { useCallback, useEffect, useSyncExternalStore } from 'react';
import { useHistory } from '@docusaurus/router';
import { useEvent } from './reactUtils';
/**
* Permits to register a handler that will be called on history actions (pop,
* push, replace). If the handler returns `false`, the navigation transition
* will be blocked/cancelled.
*/
function useHistoryActionHandler(handler) {
const history = useHistory();
const stableHandler = useEvent(handler);
useEffect(
// See https://github.com/remix-run/history/blob/main/docs/blocking-transitions.md
() => history.block((location, action) => stableHandler(location, action)), [history, stableHandler]);
}
/**
* Permits to register a handler that will be called on history pop navigation
* (backward/forward). If the handler returns `false`, the backward/forward
* transition will be blocked. Unfortunately there's no good way to detect the
* "direction" (backward/forward) of the POP event.
*/
export function useHistoryPopHandler(handler) {
useHistoryActionHandler((location, action) => {
if (action === 'POP') {
// Maybe block navigation if handler returns false
return handler(location, action);
}
// Don't block other navigation actions
return undefined;
});
}
/**
* Permits to efficiently subscribe to a slice of the history
* See https://thisweekinreact.com/articles/useSyncExternalStore-the-underrated-react-api
* @param selector
*/
export function useHistorySelector(selector) {
const history = useHistory();
return useSyncExternalStore(history.listen, () => selector(history), () => selector(history));
}
/**
* Permits to efficiently subscribe to a specific querystring value
* @param key
*/
export function useQueryStringValue(key) {
return useHistorySelector((history) => {
if (key === null) {
return null;
}
return new URLSearchParams(history.location.search).get(key);
});
}
export function useQueryStringKeySetter() {
const history = useHistory();
return useCallback((key, newValue, options) => {
const searchParams = new URLSearchParams(history.location.search);
if (newValue) {
searchParams.set(key, newValue);
}
else {
searchParams.delete(key);
}
const updaterFn = options?.push ? history.push : history.replace;
updaterFn({
search: searchParams.toString(),
});
}, [history]);
}
export function useQueryString(key) {
const value = useQueryStringValue(key) ?? '';
const setQueryString = useQueryStringKeySetter();
return [
value,
useCallback((newValue, options) => {
setQueryString(key, newValue, options);
}, [setQueryString, key]),
];
}
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