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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
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