Fix the website build

118e883 broke autodoc generation because autodoc isn't smart enough to understand some patterns.
I'm working around it by using the same trick as this file was using previously: reassigning the class variable.

Libraries/AppState/AppState.js

@@ -26,9 +26,6 @@ const invariant = require('fbjs/lib/invariant');
  * AppState is frequently used to determine the intent and proper behavior when
  * handling push notifications.
  *
- * This module depends on the native RCTAppState module. If you don't include it,
- * `AppState.isAvailable` will return `false`, and any method calls will throw.
- *
  * ### App States
  *
  *  - `active` - The app is running in the foreground
@@ -90,11 +87,12 @@ class AppState extends NativeEventEmitter {
 
   _eventHandlers: Object;
   currentState: ?string;
-  isAvailable: boolean = true;
+  isAvailable: boolean;
 
   constructor() {
     super(RCTAppState);
 
+    this.isAvailable = true;
     this._eventHandlers = {
       change: new Map(),
       memoryWarning: new Map(),
@@ -213,10 +211,13 @@ class MissingNativeAppStateShim extends EventEmitter {
   }
 }
 
-// Guard against missing native module by throwing on first method call.
-// Keep the API the same so Flow doesn't complain.
-const appState = RCTAppState
-  ? new AppState()
-  : new MissingNativeAppStateShim();
+// This module depends on the native `RCTAppState` module. If you don't include it,
+// `AppState.isAvailable` will return `false`, and any method calls will throw.
+// We reassign the class variable to keep the autodoc generator happy.
+if (RCTAppState) {
+  AppState = new AppState();
+} else {
+  AppState = new MissingNativeAppStateShim();
+}
 
-module.exports = appState;
+module.exports = AppState;