Gracefully handle backend failures in Expo app

Views/Feed.js

@@ -49,6 +49,7 @@ const handleURL = (url, navigation) => {
 }
 
 async function onFetchUpdateAsync() {
+    if (__DEV__) return;
     try {
         const update = await Updates.checkForUpdateAsync();
 
@@ -90,11 +91,11 @@ let Feed = ({ navigation, route }) => {
             }
             if (!route.params?.reRender) {
                 API.getMe().then((me) => {
-                    if (subscribed) {
+                    if (subscribed && me && me._id) {
                         GlobalState.me = me;
                         posthog.identify(me.userid,
                             {
-                                name: me.profile.firstName,
+                                name: me.profile?.firstName,
                                 profileid: me._id,
                                 is_superuser: me.superuser,
                             }
@@ -108,11 +109,12 @@ let Feed = ({ navigation, route }) => {
                 console.log("Feed from server")
             }
             await onFetchUpdateAsync();
-            flatListRef.current.scrollToOffset({ animated: true, offset: 0 })
+            flatListRef.current?.scrollToOffset({ animated: true, offset: 0 })
             let posts = await API.getPosts();
             if (subscribed) {
-                setPosts(posts);
-                storeFeed(posts);
+                const safePosts = Array.isArray(posts) ? posts : [];
+                setPosts(safePosts);
+                storeFeed(safePosts);
             }
             console.log("Feed, end useEffect")
         }
@@ -141,7 +143,7 @@ let Feed = ({ navigation, route }) => {
                 //ListHeaderComponent={<NewPost newPostCB={(newPost) => setPosts([newPost, ...Posts])} />}
                 refreshing={Posts.length === 0}
                 onRefresh={() => {
-                    API.getPosts().then(setPosts);
+                    API.getPosts().then((data) => setPosts(Array.isArray(data) ? data : []));
                 }}
                 initialNumToRender={3}
                 maxToRenderPerBatch={3}