Frontend - redirect to login page when auth expired

frontend/src/apollo-client.ts

@@ -3,7 +3,9 @@ import { loadDevMessages, loadErrorMessages } from '@apollo/client/dev'
 import AuthToken from './auth/token'
 import { setContext } from '@apollo/client/link/context'
 import { RetryLink } from "@apollo/client/link/retry";
+import { ErrorResponse, onError } from "@apollo/client/link/error";
 
+const authToken = new AuthToken()
 
 if (true) {
   // if (__DEV__) {
@@ -30,12 +32,24 @@ const authLink = setContext((_, {headers}) => {
   }
 })
 
+const errorLink = onError(({graphQLErrors, networkError, operation, forward}: ErrorResponse) => {
+  const {response} = operation.getContext()
+
+  if ([401, 403].indexOf(response.status) !== -1) {
+    authToken.remove()
+    window.location.replace('/login')
+  }
+
+  return forward(operation);
+});
+
 export const apolloCache = new InMemoryCache({})
 
 const client = new ApolloClient({
   cache: apolloCache,
   link: ApolloLink.from([
     authLink,
+    errorLink,
     retryLink,
     httpLink,
   ]),