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Null-guard for undefined rootEvent when creating a thread #2187

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merged 1 commit into from
Feb 21, 2022
Merged

Null-guard for undefined rootEvent when creating a thread #2187

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13 changes: 9 additions & 4 deletions src/models/room.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -1398,12 +1398,17 @@ export class Room extends EventEmitter {
this.emit(ThreadEvent.Update, thread);
}

public createThread(rootEvent: MatrixEvent, events: MatrixEvent[] = []): Thread | undefined {
const tl = this.getTimelineForEvent(rootEvent.getId());
const relatedEvents = tl?.getTimelineSet().getAllRelationsEventForEvent(rootEvent.getId()) ?? [];
public createThread(rootEvent: MatrixEvent | undefined, events: MatrixEvent[] = []): Thread | undefined {
if (rootEvent) {
const tl = this.getTimelineForEvent(rootEvent.getId());
const relatedEvents = tl?.getTimelineSet().getAllRelationsEventForEvent(rootEvent.getId());
if (relatedEvents) {
events = events.concat(relatedEvents);
}
}

const thread = new Thread(rootEvent, {
initialEvents: events.concat(relatedEvents),
initialEvents: events,
room: this,
client: this.client,
});
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