isSupported.ts
575 Bytes
/*
Copyright 2018 Google LLC
Use of this source code is governed by an MIT-style
license that can be found in the LICENSE file or at
https://opensource.org/licenses/MIT.
*/
import './_version.js';
// Give TypeScript the correct global.
declare let self: ServiceWorkerGlobalScope;
/**
* @return {boolean} Whether or not the current browser supports enabling
* navigation preload.
*
* @memberof workbox-navigation-preload
*/
function isSupported(): boolean {
return Boolean(self.registration && self.registration.navigationPreload);
}
export {isSupported};