60 lines
1.4 KiB
TypeScript
60 lines
1.4 KiB
TypeScript
 
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import { MatrixClient } from 'matrix-js-sdk';
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export type SortFunc<T> = (a: T, b: T) => number;
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export const factoryRoomIdByActivity =
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(mx: MatrixClient): SortFunc<string> =>
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(a, b) => {
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const room1 = mx.getRoom(a);
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const room2 = mx.getRoom(b);
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return (
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(room2?.getLastActiveTimestamp() ?? Number.MIN_SAFE_INTEGER) -
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(room1?.getLastActiveTimestamp() ?? Number.MIN_SAFE_INTEGER)
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);
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};
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export const factoryRoomIdByAtoZ =
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(mx: MatrixClient): SortFunc<string> =>
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(a, b) => {
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let aName = mx.getRoom(a)?.name ?? '';
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let bName = mx.getRoom(b)?.name ?? '';
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// remove "#" from the room name
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// To ignore it in sorting
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aName = aName.replace(/#/g, '');
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bName = bName.replace(/#/g, '');
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if (aName.toLowerCase() < bName.toLowerCase()) {
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return -1;
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}
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if (aName.toLowerCase() > bName.toLowerCase()) {
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return 1;
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}
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return 0;
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};
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export const factoryRoomIdByUnreadCount =
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(getUnreadCount: (roomId: string) => number): SortFunc<string> =>
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(a, b) => {
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const aT = getUnreadCount(a) ?? 0;
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const bT = getUnreadCount(b) ?? 0;
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return bT - aT;
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};
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export const byTsOldToNew: SortFunc<number> = (a, b) => a - b;
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export const byOrderKey: SortFunc<string | undefined> = (a, b) => {
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if (!a && !b) {
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return 0;
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}
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if (!b) return -1;
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if (!a) return 1;
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if (a < b) {
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return -1;
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}
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return 1;
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};
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