46 lines
1.2 KiB
JavaScript
46 lines
1.2 KiB
JavaScript
'use strict';
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// https://spec.matrix.org/v1.1/appendices/#room-aliases
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// - `#room_alias:domain`
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// - `#room-alias:server/date/2022/10/27`
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const BASIC_ROOM_ALIAS_REGEX = /^(#(?:[^/:]+):(?:[^/]+))/;
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// Returns `true` if redirecting, otherwise `false`
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function redirectIfRoomAliasInHash(matrixPublicArchiveURLCreator, redirectCallback) {
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function handleHashChange() {
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const pageHash = window.location.hash;
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const match = pageHash.match(BASIC_ROOM_ALIAS_REGEX);
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if (match) {
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const roomAlias = match[0];
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const newLocation = matrixPublicArchiveURLCreator.archiveUrlForRoom(roomAlias);
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console.log(`Saw room alias in hash, redirecting to newLocation=${newLocation}`);
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window.location = newLocation;
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if (redirectCallback) {
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redirectCallback();
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}
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return true;
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}
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return false;
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}
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const eventHandler = {
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handleEvent(e) {
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if (e.type === 'hashchange') {
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handleHashChange();
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}
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},
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};
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window.addEventListener('hashchange', eventHandler);
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// Handle the initial hash
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if (window.location) {
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return handleHashChange();
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}
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return false;
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}
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module.exports = redirectIfRoomAliasInHash;
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