/**
* @license
* Copyright 2016 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
goog.provide('shaka.polyfill.installAll');
goog.provide('shaka.polyfill.register');
/**
* @namespace shaka.polyfill
* @summary A one-stop installer for all polyfills.
* @see http://enwp.org/polyfill
* @exportDoc
*/
/**
* Install all polyfills.
* @export
*/
shaka.polyfill.installAll = function() {
for (let i = 0; i < shaka.polyfill.polyfills_.length; ++i) {
shaka.polyfill.polyfills_[i].callback();
}
};
/**
* Contains the polyfills that will be installed.
* @private {!Array.<{priority: number, callback: function()}>}
*/
shaka.polyfill.polyfills_ = [];
/**
* Registers a new polyfill to be installed.
*
* @param {function()} polyfill
* @param {number=} priority An optional number priority. Higher priorities
* will be executed before lower priority ones. Default is 0.
* @export
*/
shaka.polyfill.register = function(polyfill, priority) {
priority = priority || 0;
const item = {priority: priority, callback: polyfill};
for (let i = 0; i < shaka.polyfill.polyfills_.length; i++) {
if (shaka.polyfill.polyfills_[i].priority < priority) {
shaka.polyfill.polyfills_.splice(i, 0, item);
return;
}
}
shaka.polyfill.polyfills_.push(item);
};