Moved code into src folder. Added build for component library.

src/components/hooks/useRequireLogin.js

@@ -0,0 +1,30 @@
+import { useEffect } from 'react';
+import { useRouter } from 'next/router';
+import useApi from 'components/hooks/useApi';
+import useUser from 'components/hooks/useUser';
+
+export function useRequireLogin() {
+  const router = useRouter();
+  const { get } = useApi();
+  const { user, setUser } = useUser();
+
+  useEffect(() => {
+    async function loadUser() {
+      try {
+        const { user } = await get('/auth/verify');
+
+        setUser(user);
+      } catch {
+        await router.push('/login');
+      }
+    }
+
+    if (!user) {
+      loadUser();
+    }
+  }, [user]);
+
+  return { user };
+}
+
+export default useRequireLogin;