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feat: check stream heartbeat after visibility changed to 'visible' #13581

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merged 1 commit into from
Mar 17, 2024
Merged

feat: check stream heartbeat after visibility changed to 'visible' #13581

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22 changes: 20 additions & 2 deletions packages/frontend/src/stream.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,12 @@ import { markRaw } from 'vue';
import { $i } from '@/account.js';
import { wsOrigin } from '@/config.js';

// heart beat interval in ms
const HEART_BEAT_INTERVAL = 1000 * 60;

let stream: Misskey.Stream | null = null;
let timeoutHeartBeat: ReturnType<typeof setTimeout> | null = null;
let lastHeartbeatCall = 0;

export function useStream(): Misskey.Stream {
if (stream) return stream;
Expand All @@ -17,7 +22,18 @@ export function useStream(): Misskey.Stream {
token: $i.token,
} : null));

window.setTimeout(heartbeat, 1000 * 60);
if (timeoutHeartBeat) window.clearTimeout(timeoutHeartBeat);
timeoutHeartBeat = window.setTimeout(heartbeat, HEART_BEAT_INTERVAL);

// send heartbeat right now when last send time is over HEART_BEAT_INTERVAL
document.addEventListener('visibilitychange', () => {
if (
!stream
|| document.visibilityState !== 'visible'
|| Date.now() - lastHeartbeatCall < HEART_BEAT_INTERVAL
) return;
heartbeat();
});

return stream;
}
Expand All @@ -26,5 +42,7 @@ function heartbeat(): void {
if (stream != null && document.visibilityState === 'visible') {
stream.heartbeat();
}
window.setTimeout(heartbeat, 1000 * 60);
lastHeartbeatCall = Date.now();
if (timeoutHeartBeat) window.clearTimeout(timeoutHeartBeat);
timeoutHeartBeat = window.setTimeout(heartbeat, HEART_BEAT_INTERVAL);
}
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