nhz.lib/dist/mixin/event-source.js

NHZ Library

/* EventSource */
var EventSource,
  extend = require("extends__"),
  hasProp = {}.hasOwnProperty;

module.exports = EventSource = (function(superClass) {
  extend(EventSource, superClass);

  function EventSource() {
    Object.defineProperties(this, {
      ___is_event_source: {
        configurable: false,
        enumerable: false,
        writable: false,
        value: true
      }
    });
  }

  EventSource.prototype.emitEvent = function(event, target) {
    if ((event != null ? event.___is_event : void 0) && (target != null ? target.___is_event_target : void 0)) {
      event.source = this;
      event.target = target;
      if (typeof target.dispatchEvent === "function") {
        target.dispatchEvent(event);
      }
      if (event.canceled == null) {
        if (typeof event.callback === "function") {
          event.callback(event);
        }
      }
    }
    return this;
  };

  return EventSource;

})(require('./base'));