text: "use strict";
  
  const conversions = require("webidl-conversions");
  const utils = require("./utils.js");
  
  const convertErrorEventInit = require("./ErrorEventInit.js").convert;
  const impl = utils.implSymbol;
  const Event = require("./Event.js");
  
  function ErrorEvent(type) {
    if (!new.target) {
      throw new TypeError(
        "Failed to construct 'ErrorEvent'. Please use the 'new' operator; this constructor " +
          "cannot be called as a function."
      );
    }
    if (arguments.length < 1) {
      throw new TypeError(
        "Failed to construct 'ErrorEvent': 1 " + "argument required, but only " + arguments.length + " present."
      );
    }
  
    const args = [];
    for (let i = 0; i < arguments.length && i < 2; ++i) {
      args[i] = arguments[i];
    }
  
    args[0] = conversions["DOMString"](args[0], { context: "Failed to construct 'ErrorEvent': parameter 1" });
  
    args[1] = convertErrorEventInit(args[1], { context: "Failed to construct 'ErrorEvent': parameter 2" });
  
    iface.setup(this, args);
  }
  
  Object.setPrototypeOf(ErrorEvent.prototype, Event.interface.prototype);
  Object.setPrototypeOf(ErrorEvent, Event.interface);
  
  Object.defineProperty(ErrorEvent, "prototype", {
    value: ErrorEvent.prototype,
    writable: false,
    enumerable: false,
    configurable: false
  });
  
  Object.defineProperty(ErrorEvent.prototype, "message", {
    get() {
      if (!this || !module.exports.is(this)) {
        throw new TypeError("Illegal invocation");
      }
  
      return this[impl]["message"];
    },
  
    enumerable: true,
    configurable: true
  });
  
  Object.defineProperty(ErrorEvent.prototype, "filename", {
    get() {
      if (!this || !module.exports.is(this)) {
        throw new TypeError("Illegal invocation");
      }
  
      return this[impl]["filename"];
    },
  
    enumerable: true,
    configurable: true
  });
  
  Object.defineProperty(ErrorEvent.prototype, "lineno", {
    get() {
      if (!this || !module.exports.is(this)) {
        throw new TypeError("Illegal invocation");
      }
  
      return this[impl]["lineno"];
    },
  
    enumerable: true,
    configurable: true
  });
  
  Object.defineProperty(ErrorEvent.prototype, "colno", {
    get() {
      if (!this || !module.exports.is(this)) {
        throw new TypeError("Illegal invocation");
      }
  
      return this[impl]["colno"];
    },
  
    enumerable: true,
    configurable: true
  });
  
  Object.defineProperty(ErrorEvent.prototype, "error", {
    get() {
      if (!this || !module.exports.is(this)) {
        throw new TypeError("Illegal invocation");
      }
  
      return this[impl]["error"];
    },
  
    enumerable: true,
    configurable: true
  });
  
  Object.defineProperty(ErrorEvent.prototype, Symbol.toStringTag, {
    value: "ErrorEvent",
    writable: false,
    enumerable: false,
    configurable: true
  });
  
  const iface = {
    // When an interface-module that implements this interface as a mixin is loaded, it will append its own `.is()`
    // method into this array. It allows objects that directly implements *those* interfaces to be recognized as
    // implementing this mixin interface.
    _mixedIntoPredicates: [],
    is(obj) {
      if (obj) {
        if (utils.hasOwn(obj, impl) && obj[impl] instanceof Impl.implementation) {
          return true;
        }
        for (const isMixedInto of module.exports._mixedIntoPredicates) {
          if (isMixedInto(obj)) {
            return true;
          }
        }
      }
      return false;
    },
    isImpl(obj) {
      if (obj) {
        if (obj instanceof Impl.implementation) {
          return true;
        }
  
        const wrapper = utils.wrapperForImpl(obj);
        for (const isMixedInto of module.exports._mixedIntoPredicates) {
          if (isMixedInto(wrapper)) {
            return true;
          }
        }
      }
      return false;
    },
    convert(obj, { context = "The provided value" } = {}) {
      if (module.exports.is(obj)) {
        return utils.implForWrapper(obj);
      }
      throw new TypeError(`${context} is not of type 'ErrorEvent'.`);
    },
  
    create(constructorArgs, privateData) {
      let obj = Object.create(ErrorEvent.prototype);
      obj = this.setup(obj, constructorArgs, privateData);
      return obj;
    },
    createImpl(constructorArgs, privateData) {
      let obj = Object.create(ErrorEvent.prototype);
      obj = 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);
      Object.defineProperty(obj, impl, {
        value: new Impl.implementation(constructorArgs, privateData),
        writable: false,
        enumerable: false,
        configurable: true
      });
  
      obj[impl][utils.wrapperSymbol] = obj;
      if (Impl.init) {
        Impl.init(obj[impl], privateData);
      }
      return obj;
    },
    interface: ErrorEvent,
    expose: {
      Window: { ErrorEvent },
      Worker: { ErrorEvent }
    }
  }; // iface
  module.exports = iface;
  
  const Impl = require("../events/ErrorEvent-impl.js");
  