Merge pull request #4868 from matrix-org/travis/room-list/preview-crash

Fix reaction event crashes in message previews
This commit is contained in:
Travis Ralston
2020-07-01 07:24:43 -06:00
committed by GitHub

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@@ -22,8 +22,11 @@ import { _t } from "../../../languageHandler";
export class ReactionEventPreview implements IPreview {
public getTextFor(event: MatrixEvent, tagId?: TagID): string {
const reaction = event.getRelation().key;
if (!reaction) return;
const relation = event.getRelation();
if (!relation) return null; // invalid reaction (probably redacted)
const reaction = relation.key;
if (!reaction) return null; // invalid reaction (unknown format)
if (isSelf(event) || !shouldPrefixMessagesIn(event.getRoomId(), tagId)) {
return reaction;