public start()

in testSupport/src/debugClient.ts [88:119]

• 28 lines of code
• 4 McCabe index (conditional complexity)

	public start(port?: number): Promise<void> {

		return new Promise<void>((resolve, reject) => {
			if (typeof port === 'number') {
				this._socket = net.createConnection(port, '127.0.0.1', () => {
					this.connect(this._socket, this._socket);
					resolve();
				});
			} else {
				this._adapterProcess = cp.spawn(this._runtime, [ this._executable ], this._spawnOptions);
				const sanitize = (s: string) => s.toString().replace(/\r?\n$/mg, '');
				this._adapterProcess.stderr.on('data', (data: string) => {
					if (this._enableStderr) {
						console.log(sanitize(data));
					}
				});

				this._adapterProcess.on('error', (err) => {
					console.log(err);
					reject(err);
				});
				this._adapterProcess.on('exit', (code: number, signal: string) => {
					if (code) {
						// done(new Error('debug adapter exit code: ' + code));
					}
				});

				this.connect(this._adapterProcess.stdout, this._adapterProcess.stdin);
				resolve();
			}
		});
	}