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Merge pull request #4176 from matrix-org/travis/linkify-rooms

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Fix room alias references in topics
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Travis Ralston 2020-03-04 15:35:34 -07:00 • committed by GitHub
commit 9836a7a655
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3 changed files with 29 additions and 9 deletions
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19
src/utils/permalinks/Permalinks.js
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@ -290,6 +290,25 @@ export function isPermalinkHost(host: string): boolean {
return getPermalinkConstructor().isPermalinkHost(host);
}
/**
* Transforms an entity (permalink, room alias, user ID, etc) into a local URL
* if possible. If the given entity is not found to be valid enough to be converted
* then a null value will be returned.
* @param {string} entity The entity to transform.
* @returns {string|null} The transformed permalink or null if unable.
*/
export function tryTransformEntityToPermalink(entity: string): string {
if (!entity) return null;
// Check to see if it is a bare entity for starters
if (entity[0] === '#' || entity[0] === '!') return makeRoomPermalink(entity);
if (entity[0] === '@') return makeUserPermalink(entity);
if (entity[0] === '+') return makeGroupPermalink(entity);
// Then try and merge it into a permalink
return tryTransformPermalinkToLocalHref(entity);
}
/**
* Transforms a permalink (or possible permalink) into a local URL if possible. If
* the given permalink is found to not be a permalink, it'll be returned unaltered.