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path: root/src/client/app/common/scripts/check-for-update.ts
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import { version as current } from '../../config';

export default async function($root: any, force = false, silent = false) {
	const meta = await $root.getMeta(force);
	const newer = meta.version;

	if (newer != current) {
		localStorage.setItem('should-refresh', 'true');
		localStorage.setItem('v', newer);

		// Clear cache (service worker)
		try {
			if (navigator.serviceWorker.controller) {
				navigator.serviceWorker.controller.postMessage('clear');
			}

			const registrations = await navigator.serviceWorker.getRegistrations();
			for (const registration of registrations) {
				registration.unregister();
			}
		} catch (e) {
			console.error(e);
		}

		/*if (!silent) {
			$root.dialog({
				title: $root.$t('@.update-available-title'),
				text: $root.$t('@.update-available', { newer, current })
			});
		}*/

		return newer;
	} else {
		return null;
	}
}