50 lines
1.9 KiB
JavaScript
50 lines
1.9 KiB
JavaScript
/*
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Copyright 2017 Michael Telatynski <7t3chguy@gmail.com>
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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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function memberEventDiff(ev) {
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const diff = {
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isMemberEvent: ev.getType() === 'm.room.member',
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};
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// If is not a Member Event then the other checks do not apply, so bail early.
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if (!diff.isMemberEvent) return diff;
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const content = ev.getContent();
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const prevContent = ev.getPrevContent();
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diff.isJoin = content.membership === 'join' && prevContent.membership !== 'ban';
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diff.isPart = content.membership === 'leave' && ev.getStateKey() === ev.getSender();
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const isJoinToJoin = content.membership === prevContent.membership && content.membership === 'join';
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diff.isDisplaynameChange = isJoinToJoin && content.displayname !== prevContent.displayname;
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diff.isAvatarChange = isJoinToJoin && content.avatar_url !== prevContent.avatar_url;
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return diff;
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}
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export default function shouldHideEvent(ev, syncedSettings) {
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// Hide redacted events
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if (syncedSettings['hideRedactions'] && ev.isRedacted()) return true;
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const eventDiff = memberEventDiff(ev);
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if (eventDiff.isMemberEvent) {
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if (syncedSettings['hideJoinLeaves'] && (eventDiff.isJoin || eventDiff.isPart)) return true;
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const isMemberAvatarDisplaynameChange = eventDiff.isAvatarChange || eventDiff.isDisplaynameChange;
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if (syncedSettings['hideAvatarDisplaynameChanges'] && isMemberAvatarDisplaynameChange) return true;
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}
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return false;
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}
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