shaka-player
Version:
DASH/EME video player library
41 lines (33 loc) • 915 B
JavaScript
/*! @license
* Shaka Player
* Copyright 2016 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
goog.provide('shaka.polyfill.Languages');
goog.require('shaka.polyfill');
/**
* @summary A polyfill to provide navigator.languages on all browsers.
* This is necessary for IE and possibly others we have yet to discover.
*/
shaka.polyfill.Languages = class {
/**
* Install the polyfill if needed.
*/
static install() {
if (navigator.languages) {
// No need.
return;
}
Object.defineProperty(navigator, 'languages', {
get: () => {
// If the browser provides a single language (all that we've seen), then
// make an array out of that. Otherwise, return English.
if (navigator.language) {
return [navigator.language];
}
return ['en'];
},
});
}
};
shaka.polyfill.register(shaka.polyfill.Languages.install);