Change AuthClient according to new React Admin docs

src/authClient.js

@@ -1,13 +1,6 @@
-import {
-  AUTH_LOGIN,
-  AUTH_LOGOUT,
-  AUTH_CHECK,
-  AUTH_ERROR,
-  AUTH_GET_PERMISSIONS,
-} from 'react-admin';
 import decodeJwt from 'jwt-decode';
 
-export default (client, options = {}) => (type, params) => {
+export default (client, options = {}) => {
   const {
     storageKey,
     authenticate,
@@ -27,18 +20,20 @@ export default (client, options = {}) => (type, params) => {
     logoutOnForbidden: true,
   }, options);
 
-  switch (type) {
-    case AUTH_LOGIN:
+  return {
+    login: params => {
       const { username, password } = params;
       return client.authenticate({
         ...authenticate,
         [usernameField]: username,
         [passwordField]: password,
       });
-    case AUTH_LOGOUT:
+    },
+    logout: params => {
       localStorage.removeItem(permissionsKey);
       return client.logout();
-    case AUTH_CHECK:
+    },
+    checkAuth: params => {
       const hasJwtInStorage = !!localStorage.getItem(storageKey);
       const hasReAuthenticate = Object.getOwnPropertyNames(client).includes('reAuthenticate')
         && typeof client.reAuthenticate === 'function';
@@ -51,15 +46,17 @@ export default (client, options = {}) => (type, params) => {
       }
 
       return hasJwtInStorage ? Promise.resolve() : Promise.reject({ redirectTo });
-    case AUTH_ERROR:
+    },
+    checkError: params => {
       const { code } = params;
       if (code === 401 || (logoutOnForbidden && code === 403)) {
         localStorage.removeItem(storageKey);
         localStorage.removeItem(permissionsKey);
         return Promise.reject();
       }
       return Promise.resolve();
-    case AUTH_GET_PERMISSIONS:
+    },
+    getPermissions: params => {
       /*
       JWT token may be provided by oauth,
       so that's why the permissions are decoded here and not in AUTH_LOGIN.
@@ -80,8 +77,6 @@ export default (client, options = {}) => (type, params) => {
       } catch (e) {
         return Promise.reject();
       }
-
-    default:
-      return Promise.reject(`Unsupported FeathersJS authClient action type ${type}`);
+    },
   }
 };