Method _setRequestError

packages/core/xhr/index.ts:161–171

(eventName: string, error?: any)

	}

	private _setRequestError(eventName: string, error?: any) {
		this._readyState = this.DONE;

		this._response = error;

		this.emitEvent('readystatechange');

		this.emitEvent(eventName, error);

		this.emitEvent('loadend');
	}

	public addEventListener(eventName: string, handler: Function) {
		if (['abort', 'error', 'load', 'loadend', 'loadstart', 'progress', 'readystatechange'].indexOf(eventName) === -1) {