Method start

test/fixtures/__shared__/util/scripts.js:30–57

({ smoke = false, env = {} } = {})

  }

  async start({ smoke = false, env = {} } = {}) {
    const port = await getPort();
    const options = {
      cwd: this.root,
      env: Object.assign(
        {},
        {
          CI: 'false',
          FORCE_COLOR: '0',
          BROWSER: 'none',
          PORT: port,
        },
        env
      ),
    };

    if (smoke) {
      return await execaSafe('npm', ['start', '--smoke-test'], options);
    }
    const startProcess = execa('npm', ['start'], options);
    await waitForLocalhost({ port });
    return {
      port,
      done() {
        startProcess.kill('SIGKILL');
      },
    };
  }

  async build({ env = {} } = {}) {
    return await execaSafe('npm', ['run', 'build'], {