49 lines
1.3 KiB
TypeScript
49 lines
1.3 KiB
TypeScript
/*
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* SPDX-FileCopyrightText: syuilo and misskey-project
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* SPDX-License-Identifier: AGPL-3.0-only
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*/
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import * as Misskey from 'misskey-js';
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import { markRaw } from 'vue';
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import { $i } from '@/account.js';
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import { wsOrigin } from '@/config.js';
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// heart beat interval in ms
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const HEART_BEAT_INTERVAL = 1000 * 60;
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let stream: Misskey.Stream | null = null;
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let timeoutHeartBeat: ReturnType<typeof setTimeout> | null = null;
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let lastHeartbeatCall = 0;
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export function useStream(): Misskey.Stream {
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if (stream) return stream;
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stream = markRaw(new Misskey.Stream(wsOrigin, $i ? {
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token: $i.token,
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} : null));
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if (timeoutHeartBeat) window.clearTimeout(timeoutHeartBeat);
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timeoutHeartBeat = window.setTimeout(heartbeat, HEART_BEAT_INTERVAL);
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// send heartbeat right now when last send time is over HEART_BEAT_INTERVAL
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document.addEventListener('visibilitychange', () => {
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if (
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!stream
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|| document.visibilityState !== 'visible'
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|| Date.now() - lastHeartbeatCall < HEART_BEAT_INTERVAL
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) return;
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heartbeat();
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});
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return stream;
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}
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function heartbeat(): void {
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if (stream != null && document.visibilityState === 'visible') {
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stream.heartbeat();
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}
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lastHeartbeatCall = Date.now();
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if (timeoutHeartBeat) window.clearTimeout(timeoutHeartBeat);
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timeoutHeartBeat = window.setTimeout(heartbeat, HEART_BEAT_INTERVAL);
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}
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