Differential D6987 Diff 23818 web/database/worker/db-worker.js

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				// @flow

				import { type SharedWorkerMessageEvent } from '../../types/worker-types.js';

				function connectHandler(event: SharedWorkerMessageEvent) {
				if (!event.ports.length) {
				return;
				}
				const port: MessagePort = event.ports[0];
				console.log('Web database worker alive!');

				port.onmessage = async function (messageEvent: MessageEvent) {
				console.log('message from main thread: ', messageEvent.data);

				port.postMessage({ message: 'response from worker' });
				};
				}

				self.addEventListener('connect', connectHandler);