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fix crash when state is not set (erroneously?) on gap response

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this seems to happen when the only event in the room is
a m.room.create
This commit is contained in:
Bruno Windels 2020-08-27 09:52:30 +02:00
parent 34ec96c1b8
commit 1fe496eeea
1 changed files with 3 additions and 2 deletions
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5
src/matrix/room/timeline/persistence/GapWriter.js
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@ -142,8 +142,9 @@ export class GapWriter {
return RoomMember.fromReplacingMemberEvent(this._roomId, event)?.serialize();
}
}
// assuming the member hasn't changed within the chunk, just take it from state if it's there
const stateMemberEvent = state.find(isOurUser);
// assuming the member hasn't changed within the chunk, just take it from state if it's there.
// Don't assume state is set though, as it can be empty at the top of the timeline in some circumstances
const stateMemberEvent = state?.find(isOurUser);
if (stateMemberEvent) {
return RoomMember.fromMemberEvent(this._roomId, stateMemberEvent)?.serialize();
}