sono/core/utils/emitter.js

A simple yet powerful JavaScript library for working with Web Audio

'use strict';

exports.__esModule = true;

var _classCallCheck2 = require('babel-runtime/helpers/classCallCheck');

var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);

var _possibleConstructorReturn2 = require('babel-runtime/helpers/possibleConstructorReturn');

var _possibleConstructorReturn3 = _interopRequireDefault(_possibleConstructorReturn2);

var _inherits2 = require('babel-runtime/helpers/inherits');

var _inherits3 = _interopRequireDefault(_inherits2);

var _events = require('events');

var _events2 = _interopRequireDefault(_events);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

var EventEmitter = _events2.default.EventEmitter;

var Emitter = function (_EventEmitter) {
    (0, _inherits3.default)(Emitter, _EventEmitter);

    function Emitter() {
        (0, _classCallCheck3.default)(this, Emitter);
        return (0, _possibleConstructorReturn3.default)(this, _EventEmitter.call(this));
    }

    Emitter.prototype.off = function off(type, listener) {
        if (listener) {
            return this.removeListener(type, listener);
        }
        if (type) {
            return this.removeAllListeners(type);
        }
        return this.removeAllListeners();
    };

    return Emitter;
}(EventEmitter);

exports.default = Emitter;