make Firestore sample pass linter

Author: jhuleatt

2nd-gen/uppercase-firestore/functions/index.js

@@ -13,14 +13,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-'use strict';
+"use strict";
 
 // [START all]
 // [START import]
-// The Cloud Functions for Firebase SDK to create Cloud Functions and set up triggers.
-const {logger} = require('firebase-functions');
-const {onRequest} = require('firebase-functions/v2/https');
-const {onDocumentCreated} = require('firebase-functions/v2/firestore');
+// The Cloud Functions for Firebase SDK to create Cloud Functions and triggers.
+const {logger} = require("firebase-functions");
+const {onRequest} = require("firebase-functions/v2/https");
+const {onDocumentCreated} = require("firebase-functions/v2/firestore");
 
 // The Firebase Admin SDK to access Firestore.
 const {initializeApp} = require("firebase-admin/app");
@@ -30,42 +30,46 @@ initializeApp();
 // [END import]
 
 // [START addmessage]
-// Take the text parameter passed to this HTTP endpoint and insert it into 
+// Take the text parameter passed to this HTTP endpoint and insert it into
 // Firestore under the path /messages/:documentId/original
 // [START addmessageTrigger]
 exports.addmessage = onRequest(async (req, res) => {
-// [END addmessageTrigger]
+  // [END addmessageTrigger]
   // Grab the text parameter.
   const original = req.query.text;
   // [START adminSdkAdd]
   // Push the new message into Firestore using the Firebase Admin SDK.
-  const writeResult = await getFirestore().collection('messages').add({original: original});
+  const writeResult = await getFirestore()
+      .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.`});
   // [END adminSdkAdd]
 });
 // [END addmessage]
 
 // [START makeuppercase]
-// Listens for new messages added to /messages/:documentId/original and creates an
-// uppercase version of the message to /messages/:documentId/uppercase
+// Listens for new messages added to /messages/:documentId/original
+// and saves an uppercased version of the message
+// to /messages/:documentId/uppercase
 // [START makeuppercaseTrigger]
-exports.makeuppercase = onDocumentCreated('/messages/{documentId}', (event) => {
-// [END makeuppercaseTrigger]
-      // [START makeUppercaseBody]
-      // Grab the current value of what was written to Firestore.
-      const original = event.data.data().original;
+exports.makeuppercase = onDocumentCreated("/messages/{documentId}", (event) => {
+  // [END makeuppercaseTrigger]
+  // [START makeUppercaseBody]
+  // Grab the current value of what was written to Firestore.
+  const original = event.data.data().original;
 
-      // Access the parameter `{documentId}` with `context.params`
-      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 event.data.ref.set({uppercase}, {merge: true});
-      // [END makeUppercaseBody]
-    });
+  // Access the parameter `{documentId}` with `event.params`
+  logger.log("Uppercasing", event.params.documentId, original);
+
+  const uppercase = original.toUpperCase();
+
+  // You must return a Promise when performing
+  // asynchronous tasks inside a function
+  // such as writing to Firestore.
+  // Setting an 'uppercase' field in Firestore document returns a Promise.
+  return event.data.ref.set({uppercase}, {merge: true});
+  // [END makeUppercaseBody]
+});
 // [END makeuppercase]
 // [END all]