Source: lib/dependencies/all.js

  1. /*! @license
  2.  * Shaka Player
  3.  * Copyright 2016 Google LLC
  4.  * SPDX-License-Identifier: Apache-2.0
  5.  */
  7. goog.provide('shaka.dependencies');
  9. goog.require('shaka.Deprecate');
  11. /**
  12.  * @export
  13.  */
  14. shaka.dependencies = class {
  15.   /**
  16.    * Registers a new dependency.
  17.    *
  18.    * @param {shaka.dependencies.Allowed} key which is used for retrieving a
  19.    *   dependency
  20.    * @param {?} dep a dependency
  21.    * @export
  22.    */
  23.   static add(key, dep) {
  24.     if (!shaka.dependencies.Allowed[key]) {
  25.       throw new Error(`${key} is not supported`);
  26.     }
  27.     if (key == shaka.dependencies.Allowed.muxjs) {
  28.       shaka.Deprecate.deprecateFeature(5,
  29.           'mux.js',
  30.           'mux.js is no longer used in Shaka Player.');
  31.       return;
  32.     }
  33.     shaka.dependencies.dependencies_.set(key, () => dep);
  34.   }
  36.   /**
  37.    * Check if we have a dependency for the key.
  38.    *
  39.    * @param {shaka.dependencies.Allowed} key key
  40.    * @return {boolean}
  41.    * @export
  42.    */
  43.   static has(key) {
  44.     return shaka.dependencies.dependencies_.has(key);
  45.   }
  47.   /** @return {?ISOBoxer} */
  48.   static isoBoxer() {
  49.     return /** @type {?ISOBoxer} */ (shaka.dependencies.dependencies_.get(
  50.         shaka.dependencies.Allowed.ISOBoxer)());
  51.   }
  52. };
  54. /**
  55.  * @export
  56.  * @enum {string}
  57.  */
  58. shaka.dependencies.Allowed = {
  59.   muxjs: 'muxjs',
  60.   ISOBoxer: 'ISOBoxer',
  61. };
  63. // eslint-disable-next-line jsdoc/require-returns
  64. /**
  65.  * Contains accessor functions to shared dependencies that could be used by
  66.  * other components.  The default accessors can be overridden.
  67.  *
  68.  * @private {!Map<shaka.dependencies.Allowed, function(): ?>}
  69.  */
  70. shaka.dependencies.dependencies_ = new Map([
  71.   [shaka.dependencies.Allowed.ISOBoxer, () => window.ISOBoxer],
  72. ]);