Ask for login if can't renew token

src/App.js

@@ -2,6 +2,7 @@ import React, { useEffect, useState } from "react";
 import { useStorageItem } from "@capacitor-community/react-hooks/storage";
 import Panel from "./Panel";
 import AuthContext from "./AuthContext";
+import { ResponseError } from "./errors";
 import { url } from "./util";
 
 function App() {
@@ -60,7 +61,7 @@ function renewToken(oldToken, setToken) {
   })
     .then((response) => {
       if (!response.ok) {
-        throw new Error(response.status.toString() + " " + response.statusText);
+        throw new ResponseError(response);
       }
       return response.json();
     })
@@ -69,7 +70,11 @@ function renewToken(oldToken, setToken) {
       setToken(token);
     })
     .catch((error) => {
-      console.log("Error renewing token: " + error.message);
+      if (error instanceof ResponseError && error.response.status === 401) {
+        setToken(null);
+      } else {
+        console.log("Error renewing token: " + error.message);
+      }
     });
 }
 

src/Sender.js

 import React from "react";
 import { Row, Form, Spinner, Alert } from "react-bootstrap";
 import AuthContext from "./AuthContext";
+import { ResponseError } from "./errors";
 import { url } from "./util";
 
-class ResponseError extends Error {
-  constructor(response) {
-    super(response.status.toString() + " " + response.statusText);
-    this.response = response;
-  }
-}
-
 class Sender extends React.Component {
   static contextType = AuthContext;
 

src/errors.js

+class ResponseError extends Error {
+  constructor(response) {
+    super(response.status.toString() + " " + response.statusText);
+    this.response = response;
+  }
+}
+
+export { ResponseError };