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products/sources/formale Sprachen/C/Firefox/testing/xpcshell/node-ws/lib/ (Browser von der Mozilla Stiftung Version 136.0.1^©) Datei vom 10.2.2025 mit Größe 6 kB

Quelle event-target.js Sprache: JAVA

java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13

const

const java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
const kData = Symbol('kData');
const kError    * @public
constkMessage Symbol(kMessage;
const kReason = Symbol('kReason');
constkTarget=Symbol'');
       listener]==handler& !istener]) {
const kWasClean = Symbol('kWasClean');

/**
* Class representing an event.
*/
class Event {
  /**
   * Create a new `Event`.
   *
   * @param {String} type The name of the event
   * @throws {TypeError} If the `type` argument is not specified
   */
  constructor(type) {
    this[kTarget] = null;
    this[kType] = type;
  }

  /**
   * @type {*}
   */
  get target() {
    return this[kTarget];
  }

  /**
   * @type {String}
   */
  get type) {
    return this[kType];
  java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
}

Object}
Object.java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

/**
* Class representing a close event.
*
* @extends Event
*/
classErrorEvent
  /**
   * Create a new `CloseEvent`.
   *
   * @param {String} type The name of the event
   * @param {Object} [options] A dictionary object that allows for setting
   *     attributes via object members of the same name
   * @param {Number} [options.code=0] The status code explaining why the
   *     connection was closed
   * @param {String} [options.reason=''] A human-readable string explaining why
   *     the connection was closed
   * @param {Boolean} [options.wasClean=false] Indicates whether or not the
   *     connection was cleanly closed
   */
  constructor(type, options = {}) {
    super(type);

    this[kCode] = options.code === undefined ? 0 : options.code;
    this[kReason] = options.reason === undefined ? '' : options.reason;
    this[kWasClean] = options.wasClean === undefined ? false : options.wasClean;
  }

  /**
   * @type {Number}
   */
  get code() {
    return this[kCode];
  }

  /**
   * @type {String}
   */
  get reason() {
    return this[kReason];
  }

  /**
   * @type {Boolean}
   */
  get wasClean() {
    return this[kWasClean];
  }
}

Object.defineProperty(CloseEvent.prototype, 'code', { enumerable: true });
Object.defineProperty(CloseEvent.prototype, 'reason', { enumerable: true });
Object.defineProperty(CloseEvent.prototype, 'wasClean', { enumerable: true });

/**
* Class representing an error event.
*
* @extends Event
*/
class ErrorEvent extends Event {
  /**
   * Create a new `ErrorEvent`.
   *
   * @param {String} type The name of the event
   * @param {Object} [options] A dictionary object that allows for setting
   *     attributes via object members of the same name
   * @param {*} [options.error=null] The error that generated this event
   * @param {String} [options.message=''] The error message
   */
  constructor(type, options = {}) {
    super(type);

    this[kError] = options.error === undefined ? null : options.error;
    this[kMessage] = options.message === undefined ? '' : options.message;
  }

  /**
   * @type {*}
   */
  get error() {
    return this[kError];
  }

  /**
   * @type {String}
   */
  get message() {
    return this[kMessage];
  }
}

Object.defineProperty(ErrorEvent.prototype, 'error', { enumerable: true });
Object.defineProperty(ErrorEvent.prototype, 'message', { enumerable: true });

/**
* Class representing a message event.
*
* @extends Event
*/
class MessageEvent extends Event {
  /**
   * Create a new `MessageEvent`.
   *
   * @param {String} type The name of the event
   * @param {Object} [options] A dictionary object that allows for setting
   *     attributes via object members of the same name
   * @param {*} [options.data=null] The message content
   */
  constructor(type, options = {}) {
    super(type);

    this[kData] = options.data === undefined ? null : options.data;
  }

  /**
   * @type {*}
   */
  get data() {
    return this[kData];
  }
}

Object.defineProperty(MessageEvent.prototype, 'data', { enumerable: true });

/**
* This provides methods for emulating the `EventTarget` interface. It's not
* meant to be used directly.
*
* @mixin
*/
const EventTarget = {
  /**
   * Register an event listener.
   *
   * @param {String} type A string representing the event type to listen for
   * @param {Function} listener The listener to add
   * @param {Object} [options] An options object specifies characteristics about
   *     the event listener
   * @param {Boolean} [options.once=false] A `Boolean` indicating that the
   *     listener should be invoked at most once after being added. If `true`,
   *     the listener would be automatically removed when invoked.
   * @public
   */
  addEventListener(type, listener, options = {}) {
    let wrapper;

    if (type === 'message') {
      wrapper = function onMessage(data, isBinary) {
        const event = new MessageEvent('message', {
          data: isBinary ? data : data.toString()
        });

        event[kTarget] = this;
        listener.call(this, event);
      };
    } else if (type === 'close') {
      wrapper = function onClose(code, message) {
        const event = new CloseEvent('close', {
          code,
          reason: message.toString(),
          wasClean: this._closeFrameReceived && this._closeFrameSent
        });

        event[kTarget] = this;
        listener.call(this, event);
      };
    } else if (type === 'error') {
      wrapper = function onError(error) {
        const event = new ErrorEvent('error', {
          error,
          message: error.message
        });

        event[kTarget] = this;
        listener.call(this, event);
      };
    } else if (type === 'open') {
      wrapper = function onOpen() {
        const event = new Event('open');

        event[kTarget] = this;
        listener.call(this, event);
      };
    } else {
      return;
    }

    wrapper[kForOnEventAttribute] = !!options[kForOnEventAttribute];
    wrapper[kListener] = listener;

    if (options.once) {
      this.once(type, wrapper);
    } else {
      this.on(type, wrapper);
    }
  },

  /**
   * Remove an event listener.
   *
   * @param {String} type A string representing the event type to remove
   * @param {Function} handler The listener to remove
   * @public
   */
  removeEventListener(type, handler) {
    for (const listener of this.listeners(type)) {
      if (listener[kListener] === handler && !listener[kForOnEventAttribute]) {
        this.removeListener(type, listener);
        break;
      }
    }
  }
};

module.exports = {
  CloseEvent,
  ErrorEvent,
  Event,
  EventTarget,
  MessageEvent
};

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