function checkSetup()

in cloud-functions-start/public/scripts/main.js [339:345]

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

function checkSetup() {
  if (!window.firebase || !(firebase.app instanceof Function) || !firebase.app().options) {
    window.alert('You have not configured and imported the Firebase SDK. ' +
        'Make sure you go through the codelab setup instructions and make ' +
        'sure you are running the codelab using `firebase serve`');
  }
}