packages/jm-event/dist/index.esm.js
function EventEmitter() {
    var opts = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};

    _classCallCheck(this, EventEmitter);

    this._events = {};
    if (opts.async) this.emit = emitAsync;
  }
function EventEmitter() {
    var opts = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};

    _classCallCheck(this, EventEmitter);

    this._events = {};
    if (opts.async) this.emit = emitAsync;
  }
function EventEmitter ( ) { var opts = arguments . length > 0 && arguments [ 0 ] !== undefined ? arguments [ 0 ] : { } ; _classCallCheck ( this , EventEmitter ) ; this . _events = { } ; if ( opts . async ) this . emit = emitAsync ; }
Create an eventEmitter.
Create an eventEmitter .