Refresh token when token has expired

front/src/services/AuthService.ts

@@ -0,0 +1,34 @@
+export const hasAccessToken = () => {
+  const accessToken = localStorage.getItem('accessToken');
+
+  return accessToken ? true : false;
+};
+
+export const hasRefreshToken = () => {
+  const refreshToken = localStorage.getItem('refreshToken');
+
+  return refreshToken ? true : false;
+};
+
+export const refreshAccessToken = async () => {
+  const refreshToken = localStorage.getItem('refreshToken');
+  if (!refreshToken) {
+    localStorage.removeItem('accessToken');
+  }
+
+  const response = await fetch(
+    process.env.REACT_APP_AUTH_URL + '/token' || '',
+    {
+      method: 'POST',
+      headers: {
+        'Content-Type': 'application/json',
+      },
+      body: JSON.stringify({ refreshToken }),
+    },
+  );
+
+  if (response.ok) {
+    const { accessToken } = await response.json();
+    localStorage.setItem('accessToken', accessToken);
+  }
+};