mastodon-glitch/app/javascript/mastodon/components/router.tsx

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import type { PropsWithChildren } from 'react';
import React from 'react';
import { Router as OriginalRouter, useHistory } from 'react-router';
import type {
LocationDescriptor,
LocationDescriptorObject,
Path,
} from 'history';
import { createBrowserHistory } from 'history';
import { layoutFromWindow } from 'mastodon/is_mobile';
import { isDevelopment } from 'mastodon/utils/environment';
interface MastodonLocationState {
fromMastodon?: boolean;
mastodonModalKey?: string;
}
type LocationState = MastodonLocationState | null | undefined;
type HistoryPath = Path | LocationDescriptor<LocationState>;
const browserHistory = createBrowserHistory<LocationState>();
const originalPush = browserHistory.push.bind(browserHistory);
const originalReplace = browserHistory.replace.bind(browserHistory);
export function useAppHistory() {
return useHistory<LocationState>();
}
function normalizePath(
path: HistoryPath,
state?: LocationState,
): LocationDescriptorObject<LocationState> {
const location = typeof path === 'string' ? { pathname: path } : { ...path };
if (location.state === undefined && state !== undefined) {
location.state = state;
} else if (
location.state !== undefined &&
state !== undefined &&
isDevelopment()
) {
// eslint-disable-next-line no-console
console.log(
'You should avoid providing a 2nd state argument to push when the 1st argument is a location-like object that already has state; it is ignored',
);
}
if (
layoutFromWindow() === 'multi-column' &&
!location.pathname?.startsWith('/deck')
) {
location.pathname = `/deck${location.pathname}`;
}
return location;
}
browserHistory.push = (path: HistoryPath, state?: MastodonLocationState) => {
const location = normalizePath(path, state);
location.state = location.state ?? {};
location.state.fromMastodon = true;
originalPush(location);
};
browserHistory.replace = (path: HistoryPath, state?: MastodonLocationState) => {
const location = normalizePath(path, state);
if (!location.pathname) return;
if (browserHistory.location.state?.fromMastodon) {
location.state = location.state ?? {};
location.state.fromMastodon = true;
}
originalReplace(location);
};
export const Router: React.FC<PropsWithChildren> = ({ children }) => {
return <OriginalRouter history={browserHistory}>{children}</OriginalRouter>;
};