Fix docChanges error

samtstern · web-flow · commit 3eab552b4a3f · 2018-11-30T10:30:48.000-08:00
diff --git a/firestore/main/index.js b/firestore/main/index.js
@@ -739,7 +739,7 @@ function listenDiffs(db, done) {
   // [START listen_diffs]
   var observer = db.collection('cities').where('state', '==', 'CA')
     .onSnapshot(querySnapshot => {
-      querySnapshot.docChanges.forEach(change => {
+      querySnapshot.docChanges().forEach(change => {
         if (change.type === 'added') {
           console.log('New city: ', change.doc.data());
         }

Original file line number	Diff line number	Diff line change
`@@ -739,7 +739,7 @@ function listenDiffs(db, done) {`
`739`	`739`	`// [START listen_diffs]`
`740`	`740`	`var observer = db.collection('cities').where('state', '==', 'CA')`
`741`	`741`	`.onSnapshot(querySnapshot => {`
`742`		`- querySnapshot.docChanges.forEach(change => {`
	`742`	`+ querySnapshot.docChanges().forEach(change => {`
`743`	`743`	`if (change.type === 'added') {`
`744`	`744`	`console.log('New city: ', change.doc.data());`
`745`	`745`	`}`