Provide working defaults

components/login/LoginWebViewModal.tsx

@@ -22,6 +22,7 @@ import {
   Modal,
 } from "react-native";
 import { WebView, type WebViewNavigation } from "react-native-webview";
+import { DEFAULT_LOGIN_URL, DEFAULT_WALLET_API } from "@/constants/defaults";
 
 interface LoginWebViewModalProps {
   onClose: () => void;
@@ -36,8 +37,8 @@ const LoginWebViewModal: React.FC<LoginWebViewModalProps> = ({
   onLogoutSuccess = () => null,
   requestMode = "blank",
 }) => {
-  const BASE_URL = process.env.EXPO_PUBLIC_WALLET_API || "";
-  const LOGIN_URL = process.env.EXPO_PUBLIC_LOGIN_URL || "";
+  const BASE_URL = process.env.EXPO_PUBLIC_WALLET_API ?? DEFAULT_LOGIN_URL;
+  const LOGIN_URL = process.env.EXPO_PUBLIC_LOGIN_URL ?? DEFAULT_WALLET_API;
   const LOGOUT_URL = `${BASE_URL}/logout`;
 
   const webViewRef = useRef<WebView | null>(null);

constants/defaults.ts

@@ -0,0 +1,19 @@
+//
+// Copyright Inrupt Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+export const DEFAULT_LOGIN_URL =
+  "https://datawallet.inrupt.com/oauth2/authorization/wallet-app";
+export const DEFAULT_WALLET_API = "https://datawallet.inrupt.com";