flowify some Libraries

Libraries/ActionSheetIOS/ActionSheetIOS.js

@@ -7,6 +7,7 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  *
  * @providesModule ActionSheetIOS
+ * @flow
  */
 'use strict';
 
@@ -15,7 +16,7 @@ var RCTActionSheetManager = require('NativeModules').ActionSheetManager;
 var invariant = require('invariant');
 
 var ActionSheetIOS = {
-  showActionSheetWithOptions(options, callback) {
+  showActionSheetWithOptions(options: Object, callback: Function) {
     invariant(
       typeof options === 'object' && options !== null,
       'Options must a valid object'
@@ -31,7 +32,11 @@ var ActionSheetIOS = {
     );
   },
 
-  showShareActionSheetWithOptions(options, failureCallback, successCallback) {
+  showShareActionSheetWithOptions(
+    options: Object,
+    failureCallback: Function,
+    successCallback: Function
+  ) {
     invariant(
       typeof options === 'object' && options !== null,
       'Options must a valid object'

Libraries/AdSupport/AdSupportIOS.js

@@ -7,17 +7,18 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  *
  * @providesModule AdSupportIOS
+ * @flow
  */
 'use strict';
 
 var AdSupport = require('NativeModules').AdSupport;
 
 module.exports = {
-  getAdvertisingId: function(onSuccess, onFailure) {
+  getAdvertisingId: function(onSuccess: Function, onFailure: Function) {
     AdSupport.getAdvertisingId(onSuccess, onFailure);
   },
 
-  getAdvertisingTrackingEnabled: function(onSuccess, onFailure) {
+  getAdvertisingTrackingEnabled: function(onSuccess: Function, onFailure: Function) {
     AdSupport.getAdvertisingTrackingEnabled(onSuccess, onFailure);
   },
 };

Libraries/Animation/LayoutAnimation.js

@@ -7,6 +7,7 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  *
  * @providesModule LayoutAnimation
+ * @flow
  */
 'use strict';
 
@@ -42,6 +43,15 @@ var animChecker = createStrictShapeTypeChecker({
   ),
 });
 
+type Anim = {
+  duration?: number;
+  delay?: number;
+  springDamping?: number;
+  initialVelocity?: number;
+  type?: $Enum<typeof Types>;
+  property?: $Enum<typeof Properties>;
+}
+
 var configChecker = createStrictShapeTypeChecker({
   duration: PropTypes.number.isRequired,
   create: animChecker,
@@ -49,12 +59,19 @@ var configChecker = createStrictShapeTypeChecker({
   delete: animChecker,
 });
 
-var LayoutAnimation = {
+type Config = {
-  configureNext(config, onAnimationDidEnd, onError) {
+  duration: number;
+  create?: Anim;
+  update?: Anim;
+  delete?: Anim;
+}
+
+function configureNext(config: Config, onAnimationDidEnd?: Function, onError?: Function) {
   configChecker({config}, 'config', 'LayoutAnimation.configureNext');
   RCTUIManager.configureNextLayoutAnimation(config, onAnimationDidEnd, onError);
-  },
+}
-  create(duration, type, creationProp) {
+
+function create(duration: number, type, creationProp): Config {
   return {
     duration,
     create: {
@@ -65,17 +82,19 @@ var LayoutAnimation = {
       type,
     },
   };
-  },
+}
-  Types: Types,
-  Properties: Properties,
-  configChecker: configChecker,
-};
 
-LayoutAnimation.Presets = {
+var LayoutAnimation = {
-  easeInEaseOut: LayoutAnimation.create(
+  configureNext,
+  create,
+  Types,
+  Properties,
+  configChecker: configChecker,
+  Presets: {
+    easeInEaseOut: create(
       0.3, Types.easeInEaseOut, Properties.opacity
     ),
-  linear: LayoutAnimation.create(
+    linear: create(
       0.5, Types.linear, Properties.opacity
     ),
     spring: {
@@ -89,6 +108,7 @@ LayoutAnimation.Presets = {
         springDamping: 0.4,
       },
     },
+  }
 };
 
 module.exports = LayoutAnimation;

Libraries/AppRegistry/AppRegistry.js

@@ -7,6 +7,7 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  *
  * @providesModule AppRegistry
+ * @flow
  */
 'use strict';
 
@@ -21,6 +22,12 @@ if (__DEV__) {
 
 var runnables = {};
 
+type AppConfig = {
+  appKey: string;
+  component: ReactClass<any, any, any>;
+  run?: Function;
+};
+
 /**
  * `AppRegistry` is the JS entry point to running all React Native apps.  App
  * root components should register themselves with
@@ -33,17 +40,18 @@ var runnables = {};
  * `require`d.
  */
 var AppRegistry = {
-  registerConfig: function(config) {
+  registerConfig: function(config: Array<AppConfig>) {
     for (var i = 0; i < config.length; ++i) {
-      if (config[i].run) {
+      var appConfig = config[i];
-        AppRegistry.registerRunnable(config[i].appKey, config[i].run);
+      if (appConfig.run) {
+        AppRegistry.registerRunnable(appConfig.appKey, appConfig.run);
       } else {
-        AppRegistry.registerComponent(config[i].appKey, config[i].component);
+        AppRegistry.registerComponent(appConfig.appKey, appConfig.component);
       }
     }
   },
 
-  registerComponent: function(appKey, getComponentFunc) {
+  registerComponent: function(appKey: string, getComponentFunc: Function): string {
     runnables[appKey] = {
       run: (appParameters) =>
         renderApplication(getComponentFunc(), appParameters.initialProps, appParameters.rootTag)
@@ -51,12 +59,12 @@ var AppRegistry = {
     return appKey;
   },
 
-  registerRunnable: function(appKey, func) {
+  registerRunnable: function(appKey: string, func: Function): string {
     runnables[appKey] = {run: func};
     return appKey;
   },
 
-  runApplication: function(appKey, appParameters) {
+  runApplication: function(appKey: string, appParameters: any): void {
     console.log(
       'Running application "' + appKey + '" with appParams: ' +
       JSON.stringify(appParameters) + '. ' +

Libraries/AppStateIOS/AppStateIOS.android.js

@@ -7,6 +7,7 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  *
  * @providesModule AppStateIOS
+ * @flow
  */
 'use strict';
 

Libraries/AppStateIOS/AppStateIOS.ios.js

@@ -7,6 +7,7 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  *
  * @providesModule AppStateIOS
+ * @flow
  */
 'use strict';