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support async callback in iterateResponseStateEvents
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c8a8eb10b5
commit
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@ -53,12 +53,20 @@ type RoomResponse = {
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}
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}
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/** iterates over any state events in a sync room response, in the order that they should be applied (from older to younger events) */
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/** iterates over any state events in a sync room response, in the order that they should be applied (from older to younger events) */
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export function iterateResponseStateEvents(roomResponse: RoomResponse, callback: (StateEvent) => void) {
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export function iterateResponseStateEvents(roomResponse: RoomResponse, callback: (StateEvent) => Promise<void> | void): Promise<void> | void {
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let promises: Promise<void>[] | undefined = undefined;
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const callCallback = stateEvent => {
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const result = callback(stateEvent);
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if (result instanceof Promise) {
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promises = promises ?? [];
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promises.push(result);
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}
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};
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// first iterate over state events, they precede the timeline
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// first iterate over state events, they precede the timeline
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const stateEvents = roomResponse.state?.events;
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const stateEvents = roomResponse.state?.events;
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if (stateEvents) {
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if (stateEvents) {
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for (let i = 0; i < stateEvents.length; i++) {
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for (let i = 0; i < stateEvents.length; i++) {
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callback(stateEvents[i]);
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callCallback(stateEvents[i]);
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}
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}
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}
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}
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// now see if there are any state events within the timeline
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// now see if there are any state events within the timeline
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@ -67,10 +75,13 @@ export function iterateResponseStateEvents(roomResponse: RoomResponse, callback:
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for (let i = 0; i < timelineEvents.length; i++) {
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for (let i = 0; i < timelineEvents.length; i++) {
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const event = timelineEvents[i];
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const event = timelineEvents[i];
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if (typeof event.state_key === "string") {
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if (typeof event.state_key === "string") {
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callback(event);
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callCallback(event);
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}
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}
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}
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}
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}
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}
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if (promises) {
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return Promise.all(promises);
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}
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}
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}
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export function tests() {
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export function tests() {
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