"use strict";
  
  const EventImpl = require("./Event-impl").implementation;
  
  const MessageEventInit = require("../generated/MessageEventInit");
  
  class MessageEventImpl extends EventImpl {
    initMessageEvent(type, bubbles, cancelable, data, origin, lastEventId, source, ports) {
      if (this._dispatchFlag) {
        return;
      }
  
      this.initEvent(type, bubbles, cancelable);
      this.data = data;
      this.origin = origin;
      this.lastEventId = lastEventId;
      this.source = source;
      this.ports = ports;
    }
  }
  MessageEventImpl.defaultInit = MessageEventInit.convert(undefined);
  
  module.exports = {
    implementation: MessageEventImpl
  };