Expose isLoggedIn to plugin creators

Summary: Re-expose one of the legacy exports we had before. Requested by MSYS

Reviewed By: passy

Differential Revision: D40979328

fbshipit-source-id: 7e8f089a182a62f392f3a720bee9b81698930f9d

desktop/flipper-frontend-core/src/flipperLibImplementation/index.tsx

@@ -51,6 +51,7 @@ export function baseFlipperLibImplementation(
         renderHost.flipperServer.exec('intern-graph-get', ...args),
       graphPost: (...args) =>
         renderHost.flipperServer.exec('intern-graph-post', ...args),
+      isLoggedIn: () => renderHost.flipperServer.exec('is-logged-in'),
     },
     remoteServerContext: {
       childProcess: {

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

@@ -207,6 +207,7 @@ export interface FlipperLib {
 interface InternAPI {
   graphGet: FlipperServerCommands['intern-graph-get'];
   graphPost: FlipperServerCommands['intern-graph-post'];
+  isLoggedIn: FlipperServerCommands['is-logged-in'];
 }
 
 export let flipperLibInstance: FlipperLib | undefined;

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

@@ -78,6 +78,7 @@ export function createMockFlipperLib(options?: StartPluginOptions): FlipperLib {
     intern: {
       graphGet: createStubFunction(),
       graphPost: createStubFunction(),
+      isLoggedIn: createStubFunction(),
     },
     remoteServerContext: {
       childProcess: {