firebase index.js 예제

const functions = require('firebase-functions');

// // Create and Deploy Your First Cloud Functions

// // https://firebase.google.com/docs/functions/write-firebase-functions

//

exports.helloWorld = functions.region('asia-northeast3').https.onRequest((request, response) => {

response.send("Hello from Firebase!");

});

exports.addMessage = functions.region('asia-northeast3').https.onRequest(async (req, res) => {

// Grab the text parameter.

const original = req.query.text;

// Push the new message into Firestore using the Firebase Admin SDK.

const writeResult = await admin.firestore().collection('messages').add({original: original});

// Send back a message that we've successfully written the message

res.json({result: `Message with ID: ${writeResult.id} added.`});

});

exports.makeUppercase = functions.firestore.document('/messages/{documentId}')

.onCreate((snap, context) => {

// Grab the current value of what was written to Firestore.

const original = snap.data().original;

// Access the parameter `{documentId}` with `context.params`

functions.logger.log('Uppercasing', context.params.documentId, original);

 

const uppercase = original.toUpperCase();

 

// You must return a Promise when performing asynchronous tasks inside a Functions such as

// writing to Firestore.

// Setting an 'uppercase' field in Firestore document returns a Promise.

return snap.ref.set({uppercase}, {merge: true});

});