update flowification of react-native

Reviewed By: frantic, gabelevi

Differential Revision: D3436342

fbshipit-source-id: 7630eac4601d0768f57dc9fc945595039067eceb

.flowconfig

@@ -1,71 +1,13 @@
 [ignore]
 
 # We fork some components by platform.
-.*/*.web.js
 .*/*.android.js
 
-# Some modules have their own node_modules with overlap
-.*/node_modules/node-haste/.*
-
-# Ugh
-.*/node_modules/babel.*
-.*/node_modules/babylon.*
-.*/node_modules/invariant.*
-
-# Ignore react and fbjs where there are overlaps, but don't ignore
-# anything that react-native relies on
-.*/node_modules/fbjs/lib/Map.js
-.*/node_modules/fbjs/lib/ErrorUtils.js
-
-# Flow has a built-in definition for the 'react' module which we prefer to use
-# over the currently-untyped source
-.*/node_modules/react/react.js
-.*/node_modules/react/lib/React.js
-.*/node_modules/react/lib/ReactDOM.js
-
-.*/__mocks__/.*
-.*/__tests__/.*
-
-.*/commoner/test/source/widget/share.js
-
-# Ignore commoner tests
-.*/node_modules/commoner/test/.*
-
-# See https://github.com/facebook/flow/issues/442
-.*/react-tools/node_modules/commoner/lib/reader.js
-
-# Ignore jest
-.*/node_modules/jest-cli/.*
-
-# Ignore Website
-.*/website/.*
-
-# Ignore generators
+# Ignore templates with `@flow` in header
 .*/local-cli/generator.*
 
-# Ignore BUCK generated folders
-.*\.buckd/
-
-# Ignore RNPM
-.*/local-cli/rnpm/.*
-
-.*/node_modules/is-my-json-valid/test/.*\.json
-.*/node_modules/iconv-lite/encodings/tables/.*\.json
+# Ignore malformed json
 .*/node_modules/y18n/test/.*\.json
-.*/node_modules/spdx-license-ids/spdx-license-ids.json
-.*/node_modules/spdx-exceptions/index.json
-.*/node_modules/resolve/test/subdirs/node_modules/a/b/c/x.json
-.*/node_modules/resolve/lib/core.json
-.*/node_modules/jsonparse/samplejson/.*\.json
-.*/node_modules/json5/test/.*\.json
-.*/node_modules/ua-parser-js/test/.*\.json
-.*/node_modules/builtin-modules/builtin-modules.json
-.*/node_modules/binary-extensions/binary-extensions.json
-.*/node_modules/url-regex/tlds.json
-.*/node_modules/joi/.*\.json
-.*/node_modules/isemail/.*\.json
-.*/node_modules/tr46/.*\.json
-
 
 [include]
 

Libraries/CustomComponents/NavigationExperimental/NavigationCardStack.js

@@ -59,7 +59,7 @@ import type {
 type Props = {
   direction: NavigationGestureDirection,
   navigationState: NavigationState,
-  onNavigateBack: ?Function,
+  onNavigateBack?: Function,
   renderOverlay: ?NavigationSceneRenderer,
   renderScene: NavigationSceneRenderer,
   style: any,

Libraries/react-native/react-native.js.flow

@@ -16,14 +16,31 @@
  */
 'use strict';
 
-// Export ReactNative, plus some native additions.
+// Export some ReactNative properties, plus native additions.
 //
-// The use of Object.create/assign is to work around a Flow bug (#6560135).
-// Once that is fixed, change this back to
+
+// Our ReactNative.js has had its types stripped, so here we
+// need to enumerate and type the properties we need access to.
 //
-//   var ReactNative = {...require('React'), /* additions */}
-//
-var ReactNative = Object.assign(Object.create(require('ReactNative')), {
+var ReactNativeInternal = (require('ReactNative'): {
+  // render
+  render: (
+    element: ReactElement<any>,
+    mountInto: number,
+    callback?: ?(() => void)
+  ) => ?ReactComponent<any, any, any>,
+  // findNodeHandle
+  findNodeHandle: (componentOrHandle: any) => ?number,
+  // NativeMethodsMixin
+  NativeMethodsMixin: Object
+});
+
+// export
+var ReactNative = {
+  // from ReactNative internal
+  findNodeHandle: ReactNativeInternal.findNodeHandle,
+  render: ReactNativeInternal.render,
+  NativeMethodsMixin: ReactNativeInternal.NativeMethodsMixin,
   // Components
   ActivityIndicator: require('ActivityIndicator'),
   ActivityIndicatorIOS: require('ActivityIndicatorIOS'),
@@ -118,6 +135,6 @@ var ReactNative = Object.assign(Object.create(require('ReactNative')), {
   ColorPropType: require('ColorPropType'),
   EdgeInsetsPropType: require('EdgeInsetsPropType'),
   PointPropType: require('PointPropType'),
-});
+};
 
 module.exports = ReactNative;