69 lines
1.9 KiB
TypeScript
69 lines
1.9 KiB
TypeScript
import { scriptUrl } from 'service-worker-loader!../serviceWorker';
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import { DEBUG } from '../config';
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import { getDispatch } from '../lib/teact/teactn';
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import { IS_SERVICE_WORKER_SUPPORTED } from './environment';
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import { notifyClientReady } from './notifications';
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type WorkerAction = {
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type: string;
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payload: Record<string, any>;
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};
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function handleWorkerMessage(e: MessageEvent) {
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const action:WorkerAction = e.data;
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if (!action.type) return;
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const dispatch = getDispatch();
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switch (action.type) {
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case 'focusMessage':
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dispatch.focusMessage(action.payload);
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break;
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}
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}
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function subscribeToWorker() {
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navigator.serviceWorker.removeEventListener('message', handleWorkerMessage);
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navigator.serviceWorker.addEventListener('message', handleWorkerMessage);
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// Notify web worker that client is ready to receive messages
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notifyClientReady();
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}
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if (IS_SERVICE_WORKER_SUPPORTED) {
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window.addEventListener('load', async () => {
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try {
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await navigator.serviceWorker.register(scriptUrl);
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if (DEBUG) {
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// eslint-disable-next-line no-console
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console.log('[SW] ServiceWorker registered');
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}
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await navigator.serviceWorker.ready;
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if (navigator.serviceWorker.controller) {
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if (DEBUG) {
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// eslint-disable-next-line no-console
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console.log('[SW] ServiceWorker ready');
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}
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subscribeToWorker();
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} else {
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if (DEBUG) {
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// eslint-disable-next-line no-console
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console.error('[SW] ServiceWorker not available');
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}
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getDispatch().showDialog({ data: { message: 'SERVICE_WORKER_DISABLED' } });
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}
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} catch (err) {
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if (DEBUG) {
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// eslint-disable-next-line no-console
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console.error('[SW] ServiceWorker registration failed: ', err);
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}
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}
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});
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window.addEventListener('focus', async () => {
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await navigator.serviceWorker.ready;
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subscribeToWorker();
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});
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}
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