phaser/v3/src/sound/WebAudioSoundManager.js

var Class = require('../utils/Class');
var BaseSoundManager = require('./BaseSoundManager');
//  Phaser.Loader.WebAudioSoundManager
var WebAudioSoundManager = new Class({
    Extends: BaseSoundManager,
    initialize: function WebAudioSoundManager(game) {
        /**
         * @property {AudioContext} context - The AudioContext being used for playback.
         * @default
         */
        this.context = this.createAudioContext();
        BaseSoundManager.call(this, game);
    },
    createAudioContext: function () {
        var audioConfig = this.game.config.audio;
        if (audioConfig && audioConfig.context) {
            return audioConfig.context;
        }
        return new (window['AudioContext'] || window['webkitAudioContext'])();
    }
});
module.exports = WebAudioSoundManager;