Method constructor

docs/app/js/sanddance-app.js:92257–92286

(element = null, options)

};
class EventManager {
    constructor(element = null, options){
        /**
         * Handle basic events using the 'hammer.input' Hammer.js API:
         * Before running Recognizers, Hammer emits a 'hammer.input' event
         * with the basic event info. This function emits all basic events
         * aliased to the "class" of event received.
         * See constants.BASIC_EVENT_CLASSES basic event class definitions.
         */ this._onBasicInput = (event)=>{
            const { srcEvent  } = event;
            const alias = (0, _constants.BASIC_EVENT_ALIASES)[srcEvent.type];
            if (alias) // fire all events aliased to srcEvent.type
            this.manager.emit(alias, event);
        };
        /**
         * Handle events not supported by Hammer.js,
         * and pipe back out through same (Hammer) channel used by other events.
         */ this._onOtherEvent = (event)=>{
            // console.log('onotherevent', event.type, event)
            this.manager.emit(event.type, event);
        };
        this.options = {
            ...DEFAULT_OPTIONS,
            ...options
        };
        this.events = new Map();
        this.setElement(element);
        // Register all passed events.
        const { events  } = this.options;
        if (events) this.on(events);
    }
    getElement() {
        return this.element;
    }