Function deployment in Firebase - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to deploy a Firebase function named 'helloWorld'.

Firebase

exports.helloWorld = functions.[1]((req, res) => {
  res.send('Hello from Firebase!');
});

Drag options to blanks, or click blank then click option'

AhttpsCallable

Bfirestore.document

Chttps.onRequest

Ddatabase.ref

Attempts:

3 left

💡 Hint

Common Mistakes

Using firestore triggers instead of HTTP triggers.

Using database triggers for HTTP functions.

The correct method to deploy an HTTP function in Firebase is https.onRequest.

2fill in blank

medium

Complete the command to deploy all Firebase functions.

Firebase

firebase [1] --only functions

Drag options to blanks, or click blank then click option'

Adeploy

Bserve

Cinit

Demulators:start

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'serve' which runs local emulators.

Using 'init' which initializes a project.

The firebase deploy command uploads and deploys your functions to Firebase.

3fill in blank

hard

Fix the error in the function trigger type to deploy an HTTP function.

Firebase

exports.myFunction = functions.[1]((req, res) => {
  res.send('Done');
});

Drag options to blanks, or click blank then click option'

Ahttps.onRequest

Bdatabase.ref

Cfirestore.document

Dstorage.object

Attempts:

3 left

💡 Hint

Common Mistakes

Using database or Firestore triggers for HTTP functions.

Using storage triggers for HTTP functions.

HTTP functions require the https.onRequest trigger.

4fill in blank

hard

Fill both blanks to deploy only the 'auth' and 'firestore' Firebase emulators.

Firebase

firebase emulators:start --only [1],[2]

Drag options to blanks, or click blank then click option'

Aauth

Bfunctions

Cfirestore

Ddatabase

Attempts:

3 left

💡 Hint

Common Mistakes

Including functions emulator when not required.

Using database instead of firestore.

The auth and firestore emulators are started by specifying them with --only.

5fill in blank

hard

Fill all three blanks to initialize Firebase functions with TypeScript and ESLint.

Firebase

firebase init functions
? What language would you like to use to write Cloud Functions? [1]
? Do you want to use ESLint to catch probable bugs and enforce style? [2]
? Do you want to install dependencies with npm now? [3]

Drag options to blanks, or click blank then click option'

AJavaScript

BTypeScript

CYes

DNo

Attempts:

3 left

💡 Hint

Common Mistakes

Choosing JavaScript instead of TypeScript.

Skipping ESLint setup.

Not installing dependencies immediately.

Choose TypeScript for language, Yes to use ESLint, and Yes to install dependencies immediately.