Expose isConnected and currentUser

Summary: Requested by antonk52 and MSYS team

Reviewed By: passy

Differential Revision: D44662243

fbshipit-source-id: 2bace476c4e79b6a05bfb89ddc3e6acb437c6c3b

desktop/flipper-plugin-core/src/plugin/FlipperLib.tsx

@@ -27,8 +27,10 @@ import {
   FSStatsLike,
   FlipperServerCommands,
   ENVIRONMENT_VARIABLES,
+  User,
 } from 'flipper-common';
 import {CreatePasteArgs, CreatePasteResult} from './Paste';
+import {Atom} from '../state/atom';
 
 export type FileEncoding = 'utf-8' | 'base64';
 
@@ -213,6 +215,8 @@ interface InternAPI {
    * @deprecated
    */
   isLoggedIn: FlipperServerCommands['is-logged-in'];
+  currentUser: () => Atom<User | null>;
+  isConnected: () => Atom<boolean>;
 }
 
 export let flipperLibInstance: FlipperLib | undefined;

desktop/flipper-plugin-core/src/test-utils/test-utils.tsx

@@ -18,6 +18,7 @@ import {
   FlipperPluginModule,
   SandyPluginDefinition,
 } from '../plugin/SandyPluginDefinition';
+import {createState} from '../state/atom';
 import {stubLogger} from '../utils/Logger';
 
 declare const process: any;
@@ -80,6 +81,8 @@ export function createMockFlipperLib(options?: StartPluginOptions): FlipperLib {
       graphGet: createStubFunction(),
       graphPost: createStubFunction(),
       isLoggedIn: createStubFunction(),
+      currentUser: () => createState(null),
+      isConnected: () => createState(true),
     },
     remoteServerContext: {
       childProcess: {