Protect against missing non-existent snapshot

Author: chrisbianca

database/helpers/index.ts

@@ -7,6 +7,10 @@ export const snapshotToData = (
   snapshot: database.DataSnapshot,
   keyField?: string
 ) => {
+  if (!snapshot.exists) {
+    return null;
+  }
+
   const val = snapshot.val();
   if (isObject(val)) {
     return {

firestore/helpers/index.ts

@@ -4,7 +4,10 @@ export const snapshotToData = (
   snapshot: firestore.DocumentSnapshot,
   idField?: string
 ) => {
-  if (!snapshot.exists) return null;
+  if (!snapshot.exists) {
+    return null;
+  }
+
   return {
     ...snapshot.data(),
     ...(idField ? { [idField]: snapshot.id } : null),