function startAuth()

in auth/chromextension/credentials.js [55:77]

• 20 lines of code
• 6 McCabe index (conditional complexity)

function startAuth(interactive) {
  // Request an OAuth token from the Chrome Identity API.
  chrome.identity.getAuthToken({interactive: !!interactive}, function(token) {
    if (chrome.runtime.lastError && !interactive) {
      console.log('It was not possible to get a token programmatically.');
    } else if(chrome.runtime.lastError) {
      console.error(chrome.runtime.lastError);
    } else if (token) {
      // Authorize Firebase with the OAuth Access Token.
      var credential = firebase.auth.GoogleAuthProvider.credential(null, token);
      firebase.auth().signInWithCredential(credential).catch(function(error) {
        // The OAuth token might have been invalidated. Lets' remove it from cache.
        if (error.code === 'auth/invalid-credential') {
          chrome.identity.removeCachedAuthToken({token: token}, function() {
            startAuth(interactive);
          });
        }
      });
    } else {
      console.error('The OAuth Token was null');
    }
  });
}