111 lines
3.0 KiB
JavaScript
111 lines
3.0 KiB
JavaScript
|
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
|