Method open

packages/core/xhr/index.ts:191–206

(method: string, url: string, async?: boolean, user?: string, password?: string)

	}

	public open(method: string, url: string, async?: boolean, user?: string, password?: string) {
		if (isString(method) && isString(url)) {
			this._options = { url: url, method: method };
			this._options.headers = {};

			if (isString(user)) {
				this._options.headers['user'] = user;
			}

			if (isString(password)) {
				this._options.headers['password'] = password;
			}

			this._setReadyState(this.OPENED);
		}
	}

	public abort() {
		this._response = null;