realm list page done

client/app/axios/axios.ts

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+import axios, { AxiosInstance, AxiosResponse } from 'axios';
+
+// create our own instance of axios so we can set request headers
+const ax: AxiosInstance = axios.create();
+
+// response interceptors
+ax.interceptors.response.use(
+  (config: AxiosResponse) => {
+    return config;
+  },
+  (error: any) => {
+    // TODO: log the user out if they get a 401
+    // if code is unauthorized (401) then logout if already logged in
+    // if (error.response.status === 401 && store.getState().user.loggedIn) {
+    //   store.dispatch(userActions.logout());
+    // }
+
+    return Promise.reject(error);
+  },
+);
+
+export function setAuthorizationHeader(jwt: string): void {
+  ax.defaults.headers.common['Authorization'] = jwt;
+}
+
+export function resetAuthorizationHeader(): void {
+  ax.defaults.headers.common['Authorization'] = '';
+}
+
+export default ax;