“use strict”;

const conversions = require(“webidl-conversions”); const utils = require(“./utils.js”); const Event = require(“./Event.js”); const impl = utils.implSymbol; const convertCustomEventInit = require(“./CustomEventInit”).convert;

function CustomEvent(type) {

if (!this || this[impl] || !(this instanceof CustomEvent)) {
  throw new TypeError("Failed to construct 'CustomEvent': Please use the 'new' operator, this DOM object constructor cannot be called as a function.");
}
if (arguments.length < 1) {
  throw new TypeError("Failed to construct 'CustomEvent': 1 argument required, but only " + arguments.length + " present.");
}
const args = [];
for (let i = 0; i < arguments.length && i < 2; ++i) {
  args[i] = utils.tryImplForWrapper(arguments[i]);
}
args[0] = conversions["DOMString"](args[0]);
args[1] = convertCustomEventInit(args[1]);

iface.setup(this, args);

} CustomEvent.prototype = Object.create(Event.interface.prototype); CustomEvent.prototype.constructor = CustomEvent;

CustomEvent.prototype.initCustomEvent = function initCustomEvent(type, bubbles, cancelable, detail) {

if (!this || !module.exports.is(this)) {
  throw new TypeError("Illegal invocation");
}
if (arguments.length < 4) {
  throw new TypeError("Failed to execute 'initCustomEvent' on 'CustomEvent': 4 arguments required, but only " + arguments.length + " present.");
}
const args = [];
for (let i = 0; i < arguments.length && i < 4; ++i) {
  args[i] = utils.tryImplForWrapper(arguments[i]);
}
args[0] = conversions["DOMString"](args[0]);
args[1] = conversions["boolean"](args[1]);
args[2] = conversions["boolean"](args[2]);
args[3] = conversions["any"](args[3]);
return this[impl].initCustomEvent.apply(this[impl], args);

};

CustomEvent.prototype.toString = function () {

if (this === CustomEvent.prototype) {
  return "[object CustomEventPrototype]";
}
return Event.interface.prototype.toString.call(this);

}; Object.defineProperty(CustomEvent.prototype, “detail”, {

get() {
  return this[impl].detail;
},
enumerable: true,
configurable: true

});

const iface = {

mixedInto: [],
is(obj) {
  if (obj) {
    if (obj[impl] instanceof Impl.implementation) {
      return true;
    }
    for (let i = 0; i < module.exports.mixedInto.length; ++i) {
      if (obj instanceof module.exports.mixedInto[i]) {
        return true;
      }
    }
  }
  return false;
},
isImpl(obj) {
  if (obj) {
    if (obj instanceof Impl.implementation) {
      return true;
    }

    const wrapper = utils.wrapperForImpl(obj);
    for (let i = 0; i < module.exports.mixedInto.length; ++i) {
      if (wrapper instanceof module.exports.mixedInto[i]) {
        return true;
      }
    }
  }
  return false;
},
create(constructorArgs, privateData) {
  let obj = Object.create(CustomEvent.prototype);
  this.setup(obj, constructorArgs, privateData);
  return obj;
},
createImpl(constructorArgs, privateData) {
  let obj = Object.create(CustomEvent.prototype);
  this.setup(obj, constructorArgs, privateData);
  return utils.implForWrapper(obj);
},
_internalSetup(obj) {
  Event._internalSetup(obj);

},
setup(obj, constructorArgs, privateData) {
  if (!privateData) privateData = {};
  privateData.wrapper = obj;

  this._internalSetup(obj);

  obj[impl] = new Impl.implementation(constructorArgs, privateData);
  obj[impl][utils.wrapperSymbol] = obj;
},
interface: CustomEvent,
expose: {
  Window: { CustomEvent: CustomEvent },
  Worker: { CustomEvent: CustomEvent }
}

}; module.exports = iface;

const Impl = require(“../events/CustomEvent-impl.js”);