| this.workbox = this.workbox || {}; |
| this.workbox.navigationPreload = (function (exports, logger_mjs) { |
| 'use strict'; |
| |
| try { |
| self['workbox:navigation-preload:4.3.1'] && _(); |
| } catch (e) {} // eslint-disable-line |
| |
| /* |
| 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. |
| */ |
| /** |
| * @return {boolean} Whether or not the current browser supports enabling |
| * navigation preload. |
| * |
| * @memberof workbox.navigationPreload |
| */ |
| |
| function isSupported() { |
| return Boolean(self.registration && self.registration.navigationPreload); |
| } |
| |
| /* |
| 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. |
| */ |
| /** |
| * If the browser supports Navigation Preload, then this will disable it. |
| * |
| * @memberof workbox.navigationPreload |
| */ |
| |
| function disable() { |
| if (isSupported()) { |
| self.addEventListener('activate', event => { |
| event.waitUntil(self.registration.navigationPreload.disable().then(() => { |
| { |
| logger_mjs.logger.log(`Navigation preload is disabled.`); |
| } |
| })); |
| }); |
| } else { |
| { |
| logger_mjs.logger.log(`Navigation preload is not supported in this browser.`); |
| } |
| } |
| } |
| |
| /* |
| 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. |
| */ |
| /** |
| * If the browser supports Navigation Preload, then this will enable it. |
| * |
| * @param {string} [headerValue] Optionally, allows developers to |
| * [override](https://developers.google.com/web/updates/2017/02/navigation-preload#changing_the_header) |
| * the value of the `Service-Worker-Navigation-Preload` header which will be |
| * sent to the server when making the navigation request. |
| * |
| * @memberof workbox.navigationPreload |
| */ |
| |
| function enable(headerValue) { |
| if (isSupported()) { |
| self.addEventListener('activate', event => { |
| event.waitUntil(self.registration.navigationPreload.enable().then(() => { |
| // Defaults to Service-Worker-Navigation-Preload: true if not set. |
| if (headerValue) { |
| self.registration.navigationPreload.setHeaderValue(headerValue); |
| } |
| |
| { |
| logger_mjs.logger.log(`Navigation preload is enabled.`); |
| } |
| })); |
| }); |
| } else { |
| { |
| logger_mjs.logger.log(`Navigation preload is not supported in this browser.`); |
| } |
| } |
| } |
| |
| /* |
| 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. |
| */ |
| |
| exports.disable = disable; |
| exports.enable = enable; |
| exports.isSupported = isSupported; |
| |
| return exports; |
| |
| }({}, workbox.core._private)); |
| //# sourceMappingURL=workbox-navigation-preload.dev.js.map |