Update README.md (#3465)

estrellajm · web-flow · commit 2b0ce92e65cd · 2024-05-14T11:06:01.000-04:00
Type cast collectionData as it was producing an error without it
diff --git a/README.md b/README.md
@@ -58,7 +58,7 @@ export class AppComponent {
 
   constructor() {
     const itemCollection = collection(this.firestore, 'items');
-    this.item$ = collectionData(itemCollection);
+    this.item$ = collectionData(itemCollection) as Observable<Item[]>;
   }
 }
 ```

Original file line number	Diff line number	Diff line change
`@@ -58,7 +58,7 @@ export class AppComponent {`
`58`	`58`
`59`	`59`	`constructor() {`
`60`	`60`	`const itemCollection = collection(this.firestore, 'items');`
`61`		`- this.item$ = collectionData(itemCollection);`
	`61`	`+ this.item$ = collectionData(itemCollection) as Observable<Item[]>;`
`62`	`62`	`}`
`63`	`63`	`}`
`64`	`64`	```