forked from mystiq/hydrogen-web
64 lines
1.7 KiB
JavaScript
64 lines
1.7 KiB
JavaScript
/*
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Copyright 2021 The Matrix.org Foundation C.I.C.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import {REDACTION_TYPE} from "../common";
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export const REACTION_TYPE = "m.reaction";
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export const ANNOTATION_RELATION_TYPE = "m.annotation";
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export function createAnnotation(targetId, key) {
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return {
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"m.relates_to": {
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"event_id": targetId,
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key,
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"rel_type": ANNOTATION_RELATION_TYPE
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}
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};
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}
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export function getRelationTarget(relation) {
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return relation.event_id || relation["m.in_reply_to"]?.event_id
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}
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export function setRelationTarget(relation, target) {
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if (relation.event_id !== undefined) {
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relation.event_id = target;
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} else if (relation["m.in_reply_to"]) {
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relation["m.in_reply_to"].event_id = target;
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}
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}
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export function getRelatedEventId(event) {
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if (event.type === REDACTION_TYPE) {
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return event.redacts;
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} else {
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const relation = getRelation(event);
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if (relation) {
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return getRelationTarget(relation);
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}
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}
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return null;
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}
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export function getRelationFromContent(content) {
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return content?.["m.relates_to"];
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}
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export function getRelation(event) {
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return getRelationFromContent(event.content);
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}
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