Fix empty array not falsy bug

src/components/LinkPreview.tsx

@@ -120,7 +120,7 @@ const LinkPreview: React.FC<IProps> = ({ link }: IProps) => {
 
     const hses = useHSs(link);
 
-    if (!hses) {
+    if (!hses.length) {
         content = (
             <>
                 <DefaultPreview link={link} />

src/components/UserPreview.tsx

@@ -77,7 +77,7 @@ export const WrappedInviterPreview: React.FC<WrappedInviterProps> = ({
     const [user, setUser] = useState<User | undefined>(undefined);
     const hss = useHSs(link);
     useEffect(() => {
-        if (hss) {
+        if (hss.length) {
             client(hss[0])
                 .then((c) => getUserDetails(c, link.identifier))
                 .then(setUser)