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Fix reaction event crashes in message previews

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Fixes https://github.com/vector-im/riot-web/issues/14224
This commit is contained in:
Travis Ralston 2020-06-30 19:51:28 -06:00
parent 2eaaf6a7bd
commit 5a43acd42a
1 changed files with 5 additions and 2 deletions
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7
src/stores/room-list/previews/ReactionEventPreview.ts
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@ -22,8 +22,11 @@ import { _t } from "../../../languageHandler";
export class ReactionEventPreview implements IPreview { export class ReactionEventPreview implements IPreview {
public getTextFor(event: MatrixEvent, tagId?: TagID): string { public getTextFor(event: MatrixEvent, tagId?: TagID): string {
const reaction = event.getRelation().key; const relation = event.getRelation();
if (!reaction) return; 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)) { if (isSelf(event) || !shouldPrefixMessagesIn(event.getRoomId(), tagId)) {
return reaction; return reaction;