0.0.64

The 'createDOMElement' function wasn't pulling 'style' out of the
props. A change to the logic that sets DOM props meant that if
'StyleRegistry.resolve' didn't return a 'style' object, the React Native
styles would be passed through to the underlying DOM node.

Fix #315

.babelrc

@@ -1,5 +1,8 @@
 {
   "presets": [
     "react-native"
+  ],
+  "plugins": [
+    [ "transform-react-remove-prop-types", { "mode": "wrap" } ]
   ]
 }

.github/PULL_REQUEST_TEMPLATE.md

@@ -13,5 +13,6 @@ https://github.com/necolas/react-native-web/CONTRIBUTING.md
 
 - [ ] includes documentation
 - [ ] includes tests
+- [ ] includes benchmark reports
 - [ ] includes an interactive example
 - [ ] includes screenshots/videos

.gitignore

@@ -1,3 +1,4 @@
 /dist
 /dist-examples
+/dist-performance
 /node_modules

.travis.yml

@@ -5,5 +5,4 @@ before_script:
   - export DISPLAY=:99.0
   - sh -e /etc/init.d/xvfb start
 script:
-  - npm run lint
   - npm test

CONTRIBUTING.md

@@ -1,7 +1,5 @@
 # Contributing
 
-We are open to, and grateful for, any contributions made by the community.
-
 ## Reporting Issues and Asking Questions
 
 Before opening an issue, please search the [issue
@@ -19,12 +17,24 @@ Fork, then clone the repo:
 git clone https://github.com/your-username/react-native-web.git
 ```
 
+Install dependencies (requires [yarn](https://yarnpkg.com/en/docs/install):
+
+```
+yarn
+```
+
 Run the examples:
 
 ```
 npm run examples
 ```
 
+Run the benchmarks in a browser by opening `./performance/index.html` after running:
+
+```
+npm run build:performance
+```
+
 ### Building
 
 ```
@@ -51,7 +61,7 @@ To continuously watch and run tests, run the following:
 npm run test:watch
 ```
 
-To perform linting, run the following:
+To perform only linting, run the following:
 
 ```
 npm run lint

README.md

@@ -27,7 +27,7 @@ online with [React Native for Web: Playground](http://codepen.io/necolas/pen/PZz
 To install in your app:
 
 ```
-npm install --save react react-native-web
+npm install --save react@15.4 react-native-web
 ```
 
 Read the [Client and Server rendering](docs/guides/rendering.md) guide.
@@ -53,6 +53,7 @@ Exported modules:
 
 * Components
   * [`ActivityIndicator`](docs/components/ActivityIndicator.md)
+  * [`Button`](docs/components/Button.md)
   * [`Image`](docs/components/Image.md)
   * [`ListView`](docs/components/ListView.md)
   * [`ProgressBar`](docs/components/ProgressBar.md)
@@ -69,6 +70,7 @@ Exported modules:
   * [`AppRegistry`](docs/apis/AppRegistry.md)
   * [`AppState`](docs/apis/AppState.md)
   * [`AsyncStorage`](docs/apis/AsyncStorage.md)
+  * [`Clipboard`](docs/apis/Clipboard.md)
   * [`Dimensions`](docs/apis/Dimensions.md)
   * [`I18nManager`](docs/apis/I18nManager.md)
   * [`NativeMethods`](docs/apis/NativeMethods.md)
@@ -80,6 +82,7 @@ Exported modules:
   * [`Vibration`](docs/apis/Vibration.md)
 
 <span id="#why"></span>
+
 ## Why?
 
 There are many different teams at Twitter building web applications with React.
@@ -142,6 +145,7 @@ AppRegistry.runApplication('MyApp', { rootTag: document.getElementById('react-ro
 * [react-native-web-player](https://github.com/dabbott/react-native-web-player)
 * [react-web](https://github.com/taobaofed/react-web)
 * [react-native-for-web](https://github.com/KodersLab/react-native-for-web)
+* [rhinos-app](https://github.com/rhinos-app/rhinos-app-dev)
 
 ## License
 

docs/apis/AppRegistry.md

@@ -3,8 +3,7 @@
 `AppRegistry` is the control point for registering, running, prerendering, and
 unmounting all apps. App root components should register themselves with
 `AppRegistry.registerComponent`. Apps can be run by invoking
-`AppRegistry.runApplication`, and prerendered by invoking
-`AppRegistry.prerenderApplication` (see the [client and server rendering
+`AppRegistry.runApplication` (see the [client and server rendering
 guide](../guides/rendering.md) for more details).
 
 To "stop" an application when a view should be destroyed, call
@@ -13,14 +12,11 @@ into `runApplication`. These should always be used as a pair.
 
 ## Methods
 
-(web) static **prerenderApplication**(appKey:string, appParameters: object)
+(web) static **getApplication**(appKey:string, appParameters: object)
 
-Renders the given application to an HTML string. Use this for server-side
-rendering. Return object is of type `{ html: string; style: string;
-styleElement: ReactComponent }`. `html` is the prerendered HTML, `style` is the
-prerendered style sheet, and `styleElement` is a React Component. It's
-recommended that you use `styleElement` to render the style sheet in an app
-shell.
+Returns the given application element. Use this for server-side rendering.
+Return object is of type `{ element: ReactElement; stylesheet: ReactElement }`.
+It's recommended that you use `sheetsheet` to render the style sheet in an app
 
 static **registerConfig**(config: Array<AppConfig>)
 

docs/apis/Clipboard.md

@@ -0,0 +1,16 @@
+# Clipboard
+
+Clipboard gives you an interface for setting to the clipboard. (Getting
+clipboard content is not supported on web.)
+
+## Methods
+
+static **getString**()
+
+Returns a `Promise` of an empty string.
+
+static **setString**(content: string): boolean
+
+Copies a string to the clipboard. On web, some browsers may not support copying
+to the clipboard, therefore, this function returns a boolean to indicate if the
+copy was successful.

docs/apis/StyleSheet.md

@@ -15,9 +15,9 @@ Each key of the object passed to `create` must define a style object.
 
 Flattens an array of styles into a single style object.
 
-**render**: function
+**renderToString**: function
 
-Returns a React `<style>` element for use in server-side rendering.
+Returns a string of the stylesheet for use in server-side rendering.
 
 ## Properties
 

docs/components/Button.md

@@ -0,0 +1,39 @@
+# Button
+
+A basic button component. Supports a minimal level of customization. You can
+build your own custom button using `TouchableOpacity` or
+`TouchableNativeFeedback`.
+
+## Props
+
+**accessibilityLabel**: string
+
+Defines the text available to assistive technologies upon interaction with the
+element. (This is implemented using `aria-label`.)
+
+**color**: string
+
+Background color of the button.
+
+**disabled**: bool = false
+
+If true, disable all interactions for this component
+
+**onPress**: function
+
+This function is called on press.
+
+**title**: string
+
+Text to display inside the button.
+
+## Examples
+
+```js
+<Button
+  accessibilityLabel="Learn more about this purple button"
+  color="#841584"
+  onPress={onPressLearnMore}
+  title="Learn More"
+/>
+```

docs/components/Image.md

@@ -75,6 +75,23 @@ Example usage:
 <Image resizeMode={Image.resizeMode.contain} />
 ```
 
+## Methods
+
+static **getSize**(uri: string, success: (width, height) => {}, failure: function)
+
+Retrieve the width and height (in pixels) of an image prior to displaying it.
+This method can fail if the image cannot be found, or fails to download.
+
+(In order to retrieve the image dimensions, the image may first need to be
+loaded or downloaded, after which it will be cached. This means that in
+principle you could use this method to preload images, however it is not
+optimized for that purpose, and may in future be implemented in a way that does
+not fully load/download the image data.)
+
+static **prefetch**(url: string): Promise
+
+Prefetches a remote image for later use by downloading it.
+
 ## Examples
 
 ```js

docs/components/ScrollView.md

@@ -38,6 +38,18 @@ which this `ScrollView` renders.
 Fires at most once per frame during scrolling. The frequency of the events can
 be contolled using the `scrollEventThrottle` prop.
 
+Invoked on scroll with the following event:
+
+```js
+{
+  nativeEvent: {
+    contentOffset: { x, y },
+    contentSize: { height, width },
+    layoutMeasurement: { height, width }
+  }
+}
+```
+
 **refreshControl**: element
 
 TODO
@@ -51,8 +63,8 @@ When false, the content does not scroll.
 
 **scrollEventThrottle**: number = 0
 
-This controls how often the scroll event will be fired while scrolling (in
-events per seconds). A higher number yields better accuracy for code that is
+This controls how often the scroll event will be fired while scrolling (as a
+time interval in ms). A lower number yields better accuracy for code that is
 tracking the scroll position, but can lead to scroll performance problems. The
 default value is `0`, which means the scroll event will be sent only once each
 time the view is scrolled.
@@ -104,7 +116,7 @@ export default class ScrollViewExample extends Component {
         contentContainerStyle={styles.container}
         horizontal
         onScroll={(e) => this.onScroll(e)}
-        scrollEventThrottle={60}
+        scrollEventThrottle={100}
         style={styles.root}
       />
     )

docs/components/TextInput.md

@@ -6,12 +6,10 @@ such as auto-complete, auto-focus, placeholder text, and event callbacks.
 Note: some props are exclusive to or excluded from `multiline`.
 
 Unsupported React Native props:
-`autoCapitalize`,
-`autoCorrect`,
 `onEndEditing`,
-`onSubmitEditing`,
 `clearButtonMode` (ios),
 `enablesReturnKeyAutomatically` (ios),
+`placeholderTextColor`,
 `returnKeyType` (ios),
 `selectionState` (ios),
 `underlineColorAndroid` (android)
@@ -20,15 +18,37 @@ Unsupported React Native props:
 
 [...View props](./View.md)
 
-(web) **autoComplete**: bool = false
+**autoCapitalize**: oneOf('characters', 'none', 'sentences', 'words') = 'sentences'
 
-Indicates whether the value of the control can be automatically completed by the browser.
+Automatically capitalize certain characters (only available in Chrome and iOS Safari).
+
+* `characters`: Automatically capitalize all characters.
+* `none`: Completely disables automatic capitalization
+* `sentences`: Automatically capitalize the first letter of sentences.
+* `words`: Automatically capitalize the first letter of words.
+
+(web) **autoComplete**: string
+
+Indicates whether the value of the control can be automatically completed by
+the browser. [Accepted values](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input).
+
+**autoCorrect**: bool = true
+
+Automatically correct spelling mistakes  (only available in iOS Safari).
 
 **autoFocus**: bool = false
 
-If true, focuses the input on `componentDidMount`. Only the first form element
+If `true`, focuses the input on `componentDidMount`. Only the first form element
 in a document with `autofocus` is focused.
 
+**blurOnSubmit**: bool
+
+If `true`, the text field will blur when submitted. The default value is `true`
+for single-line fields and `false` for multiline fields. Note, for multiline
+fields setting `blurOnSubmit` to `true` means that pressing return will blur
+the field and trigger the `onSubmitEditing` event instead of inserting a
+newline into the field.
+
 **clearTextOnFocus**: bool = false
 
 If `true`, clears the text field automatically when focused.
@@ -87,29 +107,25 @@ as an argument to the callback handler.
 
 Callback that is called when the text input is focused.
 
-(web) **onSelectionChange**: function
+**onKeyPress**: function
 
-Callback that is called when the text input's selection changes. The following
-object is passed as an argument to the callback handler.
+Callback that is called when a key is pressed. Pressed key value is passed as
+an argument to the callback handler. Fires before `onChange` callbacks.
 
-```js
-{
-  selectionDirection,
-  selectionEnd,
-  selectionStart,
-  nativeEvent
-}
-```
+**onSelectionChange**: function
+
+Callback that is called when the text input's selection changes. This will be called with
+`{ nativeEvent: { selection: { start, end } } }`.
+
+**onSubmitEditing**: function
+
+Callback that is called when the keyboard's submit button is pressed.
 
 **placeholder**: string
 
 The string that will be rendered in an empty `TextInput` before text has been
 entered.
 
-**placeholderTextColor**: string
-
-The text color of the placeholder string.
-
 **secureTextEntry**: bool = false
 
 If true, the text input obscures the text entered so that sensitive text like
@@ -117,6 +133,10 @@ passwords stay secure.
 
 (Not available when `multiline` is `true`.)
 
+**selection**: { start: number, end: ?number }
+
+The start and end of the text input's selection. Set start and end to the same value to position the cursor.
+
 **selectTextOnFocus**: bool = false
 
 If `true`, all text will automatically be selected on focus.
@@ -152,6 +172,10 @@ Clear the text from the underlying DOM input.
 
 Focus the underlying DOM input.
 
+**isFocused()**
+
+Returns `true` if the input is currently focused; `false` otherwise.
+
 ## Examples
 
 ```js

docs/guides/react-native.md

@@ -27,14 +27,48 @@ the `url-loader` to the webpack config:
 module.exports = {
   // ...
   module: {
-    loaders: {
-      test: /\.(gif|jpe?g|png|svg)$/,
-      loader: 'url-loader',
-      query: { name: '[name].[hash:16].[ext]' }
-    }
+    loaders: [
+      {
+        test: /\.(gif|jpe?g|png|svg)$/,
+        loader: 'url-loader',
+        query: { name: '[name].[hash:16].[ext]' }
+      }
+    ]
   }
+};
 ```
 
+## Dependencies
+
+Many OSS React Native packages are not compiled to ES5 before being published.
+This can result in webpack build errors. To avoid this issue you should
+configure webpack (or your bundler of choice) to run
+`babel-preset-react-native` over the necessary `node_module`. For example:
+
+```js
+// webpack.config.js
+
+module.exports = {
+  // ...
+  module: {
+    loaders: [
+      {
+        // transpile to ES5
+        test: /\.jsx?$/,
+        include: [
+          path.resolve(__dirname, 'src'),
+          path.resolve(__dirname, 'node_modules/react-native-something')
+        ],
+        loader: 'babel-loader',
+        query: { cacheDirectory: true }
+      }
+    ]
+  }
+};
+```
+
+Please refer to the webpack documentation for more information.
+
 ## Web-specific code
 
 Minor platform differences can use the `Platform` module.

docs/guides/rendering.md

@@ -16,8 +16,9 @@ module.exports = {
 }
 ```
 
-The `react-native-web` package also includes a `core` module that exports only
-`ReactNative`, `Image`, `StyleSheet`, `Text`, `TextInput`, and `View`.
+The `react-native-web` package also includes a `core` module that exports a
+subset of modules: `ReactNative`, `I18nManager`, `Platform`, `StyleSheet`,
+`Image`, `Text`, `TextInput`, `Touchable`, and `View`.
 
 ```js
 // webpack.config.js
@@ -43,12 +44,7 @@ import ReactNative from 'react-native'
 // component that renders the app
 const AppHeaderContainer = (props) => { /* ... */ }
 
-// DOM render
 ReactNative.render(<AppHeaderContainer />, document.getElementById('react-app-header'))
-
-// Server render
-ReactNative.renderToString(<AppHeaderContainer />)
-ReactNative.renderToStaticMarkup(<AppHeaderContainer />)
 ```
 
 Rendering using the `AppRegistry`:
@@ -63,12 +59,31 @@ const AppContainer = (props) => { /* ... */ }
 // register the app
 AppRegistry.registerComponent('App', () => AppContainer)
 
-// DOM render
 AppRegistry.runApplication('App', {
   initialProps: {},
   rootTag: document.getElementById('react-app')
 })
+```
+
+Setting `process.env.__REACT_NATIVE_DEBUG_ENABLED__` to `true` will expose some
+debugging logs. This can help track down when you're rendering without the
+performance benefit of cached styles.
+
+## Server-side rendering
+
+Rendering using the `AppRegistry`:
+
+```js
+import ReactDOMServer from 'react-dom/server'
+import ReactNative, { AppRegistry } from 'react-native'
+
+// component that renders the app
+const AppContainer = (props) => { /* ... */ }
+
+// register the app
+AppRegistry.registerComponent('App', () => AppContainer)
 
 // prerender the app
-const { html, styleElement } = AppRegistry.prerenderApplication('App', { initialProps })
+const { element, stylesheet } = AppRegistry.getApplication('App', { initialProps });
+const initialHTML = ReactDOMServer.renderToString(element);
 ```

docs/guides/style.md

@@ -31,10 +31,9 @@ const styles = StyleSheet.create({
 })
 ```
 
-Using `StyleSheet.create` is optional but provides some key advantages: styles
-are immutable in development, certain declarations are automatically converted
-to CSS rather than applied as inline styles, and styles are only created once
-for the application and not on every render.
+Using `StyleSheet.create` is optional but provides the best performance
+(`style` is resolved to CSS stylesheets). Avoid creating unregistered style
+objects.
 
 The attribute names and values are a subset of CSS. See the `style`
 documentation of individual components.
@@ -56,12 +55,6 @@ A common pattern is to conditionally add style based on a condition:
   styles.base,
   this.state.active && styles.active
 ]} />
-
-// or
-<View style={{
-  ...styles.base,
-  ...(this.state.active && styles.active)
-}} />
 ```
 
 ## Composing styles

examples/.storybook/webpack.config.js

@@ -1,6 +1,8 @@
 const path = require('path')
 const webpack = require('webpack')
 
+const DEV = process.env.NODE_ENV !== 'production';
+
 module.exports = {
   module: {
     loaders: [
@@ -19,13 +21,9 @@ module.exports = {
   },
   plugins: [
     new webpack.DefinePlugin({
-      'process.env.NODE_ENV': JSON.stringify(process.env.NODE_ENV || 'development')
+      'process.env.NODE_ENV': JSON.stringify(process.env.NODE_ENV || 'development'),
+      'process.env.__REACT_NATIVE_DEBUG_ENABLED__': DEV
     }),
-    // https://github.com/animatedjs/animated/issues/40
-    new webpack.NormalModuleReplacementPlugin(
-      /es6-set/,
-      path.join(__dirname, '../../src/modules/polyfills/Set.js')
-    ),
     new webpack.optimize.OccurenceOrderPlugin()
   ],
   resolve: {

examples/apis/Clipboard/ClipboardExample.js

@@ -0,0 +1,33 @@
+import { Clipboard, Text, TextInput, View } from 'react-native'
+import React, { Component } from 'react';
+import { action, storiesOf } from '@kadira/storybook';
+
+class ClipboardExample extends Component {
+  render() {
+    return (
+      <View style={{ minWidth: 300 }}>
+        <Text onPress={this._handleSet}>Copy to clipboard</Text>
+        <TextInput
+          multiline={true}
+          placeholder={'Try pasting here afterwards'}
+          style={{ borderWidth: 1, height: 200, marginVertical: 20 }}
+        />
+        <Text onPress={this._handleGet}>(Clipboard.getString returns a Promise that always resolves to an empty string on web)</Text>
+      </View>
+    )
+  }
+
+  _handleGet() {
+    Clipboard.getString().then((value) => { console.log(`Clipboard value: ${value}`) });
+  }
+
+  _handleSet() {
+    const success = Clipboard.setString('This text was copied to the clipboard by React Native');
+    console.log(`Clipboard.setString success? ${success}`);
+  }
+}
+
+storiesOf('api: Clipboard', module)
+  .add('setString', () => (
+    <ClipboardExample />
+  ));

examples/apis/I18nManager/I18nManagerExample.js

@@ -1,8 +1,8 @@
+import { storiesOf } from '@kadira/storybook';
 import { I18nManager, StyleSheet, TouchableHighlight, Text, View } from 'react-native'
 import React, { Component } from 'react';
-import { storiesOf, action } from '@kadira/storybook';
 
-class RTLExample extends Component {
+class I18nManagerExample extends Component {
   componentWillUnmount() {
     I18nManager.setPreferredLanguageRTL(false)
   }
@@ -75,5 +75,5 @@ const styles = StyleSheet.create({
 
 storiesOf('api: I18nManager', module)
   .add('RTL layout', () => (
-    <RTLExample />
+    <I18nManagerExample />
   ))

examples/apis/Linking/LinkingExample.js

@@ -0,0 +1,29 @@
+import { Linking, StyleSheet, Text, View } from 'react-native'
+import React, { Component } from 'react';
+import { storiesOf, action } from '@kadira/storybook';
+
+class LinkingExample extends Component {
+  render() {
+    return (
+      <View>
+        <Text onPress={() => { Linking.openURL('https://mathiasbynens.github.io/rel-noopener/malicious.html'); }} style={styles.text}>
+          Linking.openURL (Expect: "The previous tab is safe and intact")
+        </Text>
+        <Text accessibilityRole='link' href='https://mathiasbynens.github.io/rel-noopener/malicious.html' style={styles.text} target='_blank'>
+          target="_blank" (Expect: "The previous tab is safe and intact")
+        </Text>
+      </View>
+    );
+  }
+}
+
+const styles = StyleSheet.create({
+  text: {
+    marginVertical: 10
+  }
+});
+
+storiesOf('api: Linking', module)
+  .add('Safe linking', () => (
+    <LinkingExample />
+  ));

examples/components/ActivityIndicator/ActivityIndicatorExample.js

@@ -50,7 +50,8 @@ const ToggleAnimatingActivityIndicator = React.createClass({
     return (
       <ActivityIndicator
         animating={this.state.animating}
-        style={[styles.centering, {height: 80}]}
+        style={styles.centering}
+        hidesWhenStopped={this.props.hidesWhenStopped}
         size="large"
       />
     );
@@ -121,7 +122,12 @@ const examples = [
   {
     title: 'Start/stop',
     render() {
-      return <ToggleAnimatingActivityIndicator />;
+      return (
+        <View style={[styles.horizontal, styles.centering]}>
+          <ToggleAnimatingActivityIndicator />
+          <ToggleAnimatingActivityIndicator hidesWhenStopped={false} />
+        </View>
+      );
     }
   },
   {
@@ -129,7 +135,7 @@ const examples = [
     render() {
       return (
         <View style={[styles.horizontal, styles.centering]}>
-          <ActivityIndicator size="40" />
+          <ActivityIndicator size={40} />
           <ActivityIndicator
             style={{ marginLeft: 20, transform: [ {scale: 1.5} ] }}
             size="large"

examples/components/Button/ButtonExample.js

@@ -0,0 +1,80 @@
+import React from 'react';
+import { action, storiesOf } from '@kadira/storybook';
+import { Button, StyleSheet, View } from 'react-native';
+
+const onButtonPress = action('Button has been pressed!');
+
+const examples = [
+  {
+    title: 'Simple Button',
+    description: 'The title and onPress handler are required. It is ' +
+      'recommended to set accessibilityLabel to help make your app usable by ' +
+      'everyone.',
+    render: function() {
+      return (
+        <Button
+          onPress={onButtonPress}
+          title="Press Me"
+          accessibilityLabel="See an informative alert"
+        />
+      );
+    },
+  },
+  {
+    title: 'Adjusted color',
+    description: 'Adjusts the color in a way that looks standard on each ' +
+      'platform. On iOS, the color prop controls the color of the text. On ' +
+      'Android, the color adjusts the background color of the button.',
+    render: function() {
+      return (
+        <Button
+          onPress={onButtonPress}
+          title="Press Purple"
+          color="#841584"
+          accessibilityLabel="Learn more about purple"
+        />
+      );
+    },
+  },
+  {
+    title: 'Fit to text layout',
+    description: 'This layout strategy lets the title define the width of ' +
+      'the button',
+    render: function() {
+      return (
+        <View style={{flexDirection: 'row', justifyContent: 'space-between'}}>
+          <Button
+            onPress={onButtonPress}
+            title="This looks great!"
+            accessibilityLabel="This sounds great!"
+          />
+          <Button
+            onPress={onButtonPress}
+            title="Ok!"
+            color="#841584"
+            accessibilityLabel="Ok, Great!"
+          />
+        </View>
+      );
+    },
+  },
+  {
+    title: 'Disabled Button',
+    description: 'All interactions for the component are disabled.',
+    render: function() {
+      return (
+        <Button
+          disabled
+          onPress={onButtonPress}
+          title="I Am Disabled"
+          accessibilityLabel="See an informative alert"
+        />
+      );
+    },
+  },
+];
+
+examples.forEach((example) => {
+  storiesOf('component: Button', module)
+    .add(example.title, () => example.render());
+});

examples/components/Image/ImageExample.js

@@ -28,10 +28,9 @@ import { ActivityIndicator, Image, Platform, StyleSheet, Text, View } from 'reac
 var base64Icon = 'data:image/png;base64,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';
 
 //var ImageCapInsetsExample = require('./ImageCapInsetsExample');
-//const IMAGE_PREFETCH_URL = 'http://facebook.github.io/origami/public/images/blog-hero.jpg?r=1&t=' + Date.now();
-//var prefetchTask = Image.prefetch(IMAGE_PREFETCH_URL);
+const IMAGE_PREFETCH_URL = 'http://origami.design/public/images/bird-logo.png?r=1&t=' + Date.now();
+var prefetchTask = Image.prefetch(IMAGE_PREFETCH_URL);
 
-/*
 var NetworkImageCallbackExample = React.createClass({
   getInitialState: function() {
     return {
@@ -88,7 +87,6 @@ var NetworkImageCallbackExample = React.createClass({
     });
   }
 });
-*/
 
 var NetworkImageExample = React.createClass({
   getInitialState: function() {
@@ -118,7 +116,6 @@ var NetworkImageExample = React.createClass({
   }
 });
 
-/*
 var ImageSizeExample = React.createClass({
   getInitialState: function() {
     return {
@@ -133,24 +130,25 @@ var ImageSizeExample = React.createClass({
   },
   render: function() {
     return (
-      <View style={{flexDirection: 'row'}}>
-        <Image
-          style={{
-            width: 60,
-            height: 60,
-            backgroundColor: 'transparent',
-            marginRight: 10,
-          }}
-          source={this.props.source} />
+      <View>
         <Text>
           Actual dimensions:{'\n'}
-          Width: {this.state.width}, Height: {this.state.height}
+          width: {this.state.width}, height: {this.state.height}
         </Text>
+        <Image
+          source={this.props.source}
+          style={{
+            backgroundColor: '#eee',
+            height: 227,
+            marginTop: 10,
+            width: 323
+          }}
+        />
       </View>
     );
   },
 });
-*/
+
 /*
 var MultipleSourcesExample = React.createClass({
   getInitialState: function() {
@@ -239,17 +237,17 @@ const examples = [
       );
     },
   },
-  /*
   {
     title: 'Image Loading Events',
     render: function() {
       return (
-        <NetworkImageCallbackExample source={{uri: 'http://facebook.github.io/origami/public/images/blog-hero.jpg?r=1&t=' + Date.now()}}
-          prefetchedSource={{uri: IMAGE_PREFETCH_URL}}/>
+        <NetworkImageCallbackExample
+          source={{uri: 'http://origami.design/public/images/bird-logo.png?r=1&t=' + Date.now()}}
+          prefetchedSource={{uri: IMAGE_PREFETCH_URL}}
+        />
       );
     },
   },
-  */
   {
     title: 'Error Handler',
     render: function() {
@@ -263,7 +261,7 @@ const examples = [
     title: 'Image Download Progress',
     render: function() {
       return (
-        <NetworkImageExample source={{uri: 'http://facebook.github.io/origami/public/images/blog-hero.jpg?r=1'}}/>
+        <NetworkImageExample source={{uri: 'http://origami.design/public/images/bird-logo.png?r=1'}}/>
       );
     },
     platform: 'ios',
@@ -567,14 +565,12 @@ const examples = [
     platform: 'ios',
   },
   */
-  /*
   {
     title: 'Image Size',
     render: function() {
-      return <ImageSizeExample source={fullImage} />;
+      return <ImageSizeExample source={{ uri: 'https://upload.wikimedia.org/wikipedia/commons/d/d7/Chestnut-mandibled_Toucan.jpg' }} />;
     },
   },
-  */
   /*
   {
     title: 'MultipleSourcesExample',
@@ -652,6 +648,6 @@ var styles = StyleSheet.create({
 
 examples.forEach((example) => {
   storiesOf('component: Image', module)
-    .addDecorator((renderStory) => <View>{renderStory()}</View>)
+    .addDecorator((renderStory) => <View style={{ width: '100%' }}>{renderStory()}</View>)
     .add(example.title, () => example.render())
 })

examples/components/ListView/ListViewExample.js

@@ -1,4 +1,80 @@
 import React from 'react';
-import { storiesOf, action } from '@kadira/storybook';
-import { ListView } from 'react-native'
+import { storiesOf } from '@kadira/storybook';
+import { ListView, StyleSheet, Text, View } from 'react-native';
 
+const generateData = (length) => Array.from({ length }).map((item, i) => i);
+const dataSource = new ListView.DataSource({ rowHasChanged: (r1, r2) => r1 !== r2 });
+
+storiesOf('component: ListView', module)
+  .add('vertical', () => (
+    <View style={styles.scrollViewContainer}>
+      <ListView
+        contentContainerStyle={styles.scrollViewContentContainerStyle}
+        dataSource={dataSource.cloneWithRows(generateData(100))}
+        initialListSize={100}
+        // eslint-disable-next-line react/jsx-no-bind
+        onScroll={(e) => { console.log('ScrollView.onScroll', e); } }
+        // eslint-disable-next-line react/jsx-no-bind
+        renderRow={(row) => (
+          <View><Text>{row}</Text></View>
+        )}
+        scrollEventThrottle={1000} // 1 event per second
+        style={styles.scrollViewStyle}
+      />
+    </View>
+  ))
+  .add('incremental rendering - large pageSize', () => (
+    <View style={styles.scrollViewContainer}>
+      <ListView
+        contentContainerStyle={styles.scrollViewContentContainerStyle}
+        dataSource={dataSource.cloneWithRows(generateData(5000))}
+        initialListSize={100}
+        // eslint-disable-next-line react/jsx-no-bind
+        onScroll={(e) => { console.log('ScrollView.onScroll', e); } }
+        pageSize={50}
+        // eslint-disable-next-line react/jsx-no-bind
+        renderRow={(row) => (
+          <View><Text>{row}</Text></View>
+        )}
+        scrollEventThrottle={1000} // 1 event per second
+        style={styles.scrollViewStyle}
+      />
+    </View>
+  ))
+  .add('incremental rendering - small pageSize', () => (
+    <View style={styles.scrollViewContainer}>
+      <ListView
+        contentContainerStyle={styles.scrollViewContentContainerStyle}
+        dataSource={dataSource.cloneWithRows(generateData(5000))}
+        initialListSize={5}
+        // eslint-disable-next-line react/jsx-no-bind
+        onScroll={(e) => { console.log('ScrollView.onScroll', e); } }
+        pageSize={1}
+        // eslint-disable-next-line react/jsx-no-bind
+        renderRow={(row) => (
+          <View><Text>{row}</Text></View>
+        )}
+        scrollEventThrottle={1000} // 1 event per second
+        style={styles.scrollViewStyle}
+      />
+    </View>
+  ));
+
+const styles = StyleSheet.create({
+  box: {
+    flexGrow: 1,
+    justifyContent: 'center',
+    borderWidth: 1
+  },
+  scrollViewContainer: {
+    height: '200px',
+    width: 300
+  },
+  scrollViewStyle: {
+    borderWidth: '1px'
+  },
+  scrollViewContentContainerStyle: {
+    backgroundColor: '#eee',
+    padding: '10px'
+  }
+});

examples/components/ScrollView/ScrollViewExample.js

@@ -1,14 +1,16 @@
 import React from 'react';
-import { storiesOf, action } from '@kadira/storybook';
+import { action, storiesOf } from '@kadira/storybook';
 import { ScrollView, StyleSheet, Text, TouchableHighlight, View } from 'react-native'
 
+const onScroll = action('ScrollView.onScroll');
+
 storiesOf('component: ScrollView', module)
   .add('vertical', () => (
     <View style={styles.scrollViewContainer}>
       <ScrollView
         contentContainerStyle={styles.scrollViewContentContainerStyle}
-        onScroll={e => console.log('ScrollView.onScroll', e)}
-        scrollEventThrottle={1} // 1 event per second
+        onScroll={onScroll}
+        scrollEventThrottle={1000} // 1 event per second
         style={styles.scrollViewStyle}
       >
         {Array.from({ length: 50 }).map((item, i) => (
@@ -24,8 +26,8 @@ storiesOf('component: ScrollView', module)
       <ScrollView
         contentContainerStyle={styles.scrollViewContentContainerStyle}
         horizontal
-        onScroll={e => console.log('ScrollView.onScroll', e)}
-        scrollEventThrottle={1} // 1 event per second
+        onScroll={onScroll}
+        scrollEventThrottle={16} // ~60 events per second
         style={styles.scrollViewStyle}
       >
         {Array.from({ length: 50 }).map((item, i) => (
@@ -48,10 +50,10 @@ const styles = StyleSheet.create({
     width: 300
   },
   scrollViewStyle: {
-    borderWidth: '1px'
+    borderWidth: 1
   },
   scrollViewContentContainerStyle: {
     backgroundColor: '#eee',
-    padding: '10px'
+    padding: 10
   }
 })

examples/components/Text/TextExample.js

@@ -79,7 +79,7 @@ const examples = [
   title: 'Wrap',
   render: function() {
     return (
-      <Text>
+      <Text style={{ WebkitFontSmoothing: 'antialiased' }}>
         The text should wrap if it goes on multiple lines. See, this is going to
         the next line.
       </Text>

examples/components/TextInput/TextInputExample.js

@@ -1,41 +1,867 @@
 import React from 'react';
 import { storiesOf, action } from '@kadira/storybook';
-import { StyleSheet, TextInput, View } from 'react-native'
+import { StyleSheet, Text, TextInput, View } from 'react-native'
 
-storiesOf('component: TextInput', module)
-  .add('tbd', () => (
-    <View>
-      <TextInput
-        defaultValue='Default textInput'
-        keyboardType='default'
-        onBlur={(e) => { console.log('TextInput.onBlur', e) }}
-        onChange={(e) => { console.log('TextInput.onChange', e) }}
-        onChangeText={(e) => { console.log('TextInput.onChangeText', e) }}
-        onFocus={(e) => { console.log('TextInput.onFocus', e) }}
-        onSelectionChange={(e) => { console.log('TextInput.onSelectionChange', e) }}
-      />
-      <TextInput keyboardType='search' style={styles.textInput} />
-      <TextInput secureTextEntry style={styles.textInput} />
-      <TextInput defaultValue='read only' editable={false} style={styles.textInput} />
-      <TextInput
-        style={[ styles.textInput, { flex:1, height: 60, padding: 20, fontSize: 20, textAlign: 'center' } ]}
-        keyboardType='email-address' placeholder='you@domain.com' placeholderTextColor='red'
-      />
-      <TextInput keyboardType='numeric' style={styles.textInput} />
-      <TextInput keyboardType='phone-pad' style={styles.textInput} />
-      <TextInput defaultValue='https://delete-me' keyboardType='url' placeholder='https://www.some-website.com' selectTextOnFocus style={styles.textInput} />
-      <TextInput
-        defaultValue='default value'
-        maxNumberOfLines={10}
-        multiline
-        numberOfLines={5}
-        style={styles.textInput}
-      />
-    </View>
-  ))
+/**
+ * Copyright (c) 2013-present, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ *
+ * The examples provided by Facebook are for non-commercial testing and
+ * evaluation purposes only.
+ *
+ * Facebook reserves all rights not expressly granted.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON INFRINGEMENT. IN NO EVENT SHALL
+ * FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * @flow
+ */
 
-const styles = StyleSheet.create({
-  textInput: {
-    borderWidth: 1
+class WithLabel extends React.Component {
+  render() {
+    return (
+      <View style={styles.labelContainer}>
+        <View style={styles.label}>
+          <Text>{this.props.label}</Text>
+        </View>
+        {this.props.children}
+      </View>
+    );
   }
-})
+}
+
+class TextEventsExample extends React.Component {
+  state = {
+    curText: '<No Event>',
+    prevText: '<No Event>',
+    prev2Text: '<No Event>',
+    prev3Text: '<No Event>',
+  };
+
+  updateText = (text) => {
+    this.setState((state) => {
+      return {
+        curText: text,
+        prevText: state.curText,
+        prev2Text: state.prevText,
+        prev3Text: state.prev2Text,
+      };
+    });
+  };
+
+  render() {
+    return (
+      <View style={{ alignItems: 'center' }}>
+        <TextInput
+          autoCapitalize="none"
+          placeholder="Enter text to see events"
+          autoCorrect={false}
+          onFocus={() => this.updateText('onFocus')}
+          onBlur={() => this.updateText('onBlur')}
+          onChange={(event) => this.updateText(
+            'onChange text: ' + event.nativeEvent.text
+          )}
+          onEndEditing={(event) => this.updateText(
+            'onEndEditing text: ' + event.nativeEvent.text
+          )}
+          onSubmitEditing={(event) => this.updateText(
+            'onSubmitEditing text: ' + event.nativeEvent.text
+          )}
+          onSelectionChange={(event) => this.updateText(
+            'onSelectionChange range: ' +
+              event.nativeEvent.selection.start + ',' +
+              event.nativeEvent.selection.end
+          )}
+          onKeyPress={(event) => {
+            this.updateText('onKeyPress key: ' + event.nativeEvent.key);
+          }}
+          style={[ styles.default, { maxWidth: 200 } ]}
+        />
+        <Text style={styles.eventLabel}>
+          {this.state.curText}{'\n'}
+          (prev: {this.state.prevText}){'\n'}
+          (prev2: {this.state.prev2Text}){'\n'}
+          (prev3: {this.state.prev3Text})
+        </Text>
+      </View>
+    );
+  }
+}
+
+class AutoExpandingTextInput extends React.Component {
+  state: any;
+
+  constructor(props) {
+    super(props);
+    this.state = {
+      text: 'React Native enables you to build world-class application experiences on native platforms using a consistent developer experience based on JavaScript and React. The focus of React Native is on developer efficiency across all the platforms you care about — learn once, write anywhere. Facebook uses React Native in multiple production apps and will continue investing in React Native.',
+      height: 0,
+    };
+  }
+  render() {
+    return (
+      <TextInput
+        {...this.props}
+        multiline={true}
+        onChangeText={(text) => {
+          this.setState({text});
+        }}
+        onContentSizeChange={(event) => {
+          this.setState({height: event.nativeEvent.contentSize.height});
+        }}
+        style={[styles.default, {height: Math.max(35, this.state.height)}]}
+        value={this.state.text}
+      />
+    );
+  }
+}
+
+class RewriteExample extends React.Component {
+  state: any;
+
+  constructor(props) {
+    super(props);
+    this.state = {text: ''};
+  }
+  render() {
+    var limit = 20;
+    var remainder = limit - this.state.text.length;
+    var remainderColor = remainder > 5 ? 'blue' : 'red';
+    return (
+      <View style={styles.rewriteContainer}>
+        <TextInput
+          multiline={false}
+          maxLength={limit}
+          onChangeText={(text) => {
+            text = text.replace(/ /g, '_');
+            this.setState({text});
+          }}
+          style={styles.default}
+          value={this.state.text}
+        />
+        <Text style={[styles.remainder, {color: remainderColor}]}>
+          {remainder}
+        </Text>
+      </View>
+    );
+  }
+}
+
+class RewriteExampleInvalidCharacters extends React.Component {
+  state: any;
+
+  constructor(props) {
+    super(props);
+    this.state = {text: ''};
+  }
+  render() {
+    return (
+      <View style={styles.rewriteContainer}>
+        <TextInput
+          multiline={false}
+          onChangeText={(text) => {
+            this.setState({text: text.replace(/\s/g, '')});
+          }}
+          style={styles.default}
+          value={this.state.text}
+        />
+      </View>
+    );
+  }
+}
+
+class TokenizedTextExample extends React.Component {
+  state: any;
+
+  constructor(props) {
+    super(props);
+    this.state = {text: 'Hello #World'};
+  }
+  render() {
+
+    //define delimiter
+    let delimiter = /\s+/;
+
+    //split string
+    let _text = this.state.text;
+    let token, index, parts = [];
+    while (_text) {
+      delimiter.lastIndex = 0;
+      token = delimiter.exec(_text);
+      if (token === null) {
+        break;
+      }
+      index = token.index;
+      if (token[0].length === 0) {
+        index = 1;
+      }
+      parts.push(_text.substr(0, index));
+      parts.push(token[0]);
+      index = index + token[0].length;
+      _text = _text.slice(index);
+    }
+    parts.push(_text);
+
+    return (
+      <View>
+        <TextInput
+          value={parts.join('')}
+          multiline={true}
+          style={styles.multiline}
+          onChangeText={(text) => {
+            this.setState({text});
+          }}
+        />
+      </View>
+    );
+  }
+}
+
+class BlurOnSubmitExample extends React.Component {
+  focusNextField = (nextField) => {
+    this.refs[nextField].focus();
+  };
+
+  render() {
+    return (
+      <View>
+        <TextInput
+          ref="1"
+          style={styles.default}
+          placeholder="blurOnSubmit = false"
+          returnKeyType="next"
+          blurOnSubmit={false}
+          onSubmitEditing={() => this.focusNextField('2')}
+        />
+        <TextInput
+          ref="2"
+          style={styles.default}
+          keyboardType="email-address"
+          placeholder="blurOnSubmit = false"
+          returnKeyType="next"
+          blurOnSubmit={false}
+          onSubmitEditing={() => this.focusNextField('3')}
+        />
+        <TextInput
+          ref="3"
+          style={styles.default}
+          keyboardType="url"
+          placeholder="blurOnSubmit = false"
+          returnKeyType="next"
+          blurOnSubmit={false}
+          onSubmitEditing={() => this.focusNextField('4')}
+        />
+        <TextInput
+          ref="4"
+          style={styles.default}
+          keyboardType="numeric"
+          placeholder="blurOnSubmit = false"
+          blurOnSubmit={false}
+          onSubmitEditing={() => this.focusNextField('5')}
+        />
+        <TextInput
+          ref="5"
+          style={styles.default}
+          keyboardType="numeric"
+          placeholder="blurOnSubmit = true"
+          returnKeyType="done"
+        />
+      </View>
+    );
+  }
+}
+
+type SelectionExampleState = {
+  selection: {
+    start: number;
+    end?: number;
+  };
+  value: string;
+};
+
+class SelectionExample extends React.Component {
+  state: SelectionExampleState;
+
+  _textInput: any;
+
+  constructor(props) {
+    super(props);
+    this.state = {
+      selection: {start: 0, end: 0},
+      value: props.value
+    };
+  }
+
+  onSelectionChange({nativeEvent: {selection}}) {
+    this.setState({selection});
+  }
+
+  getRandomPosition() {
+    var length = this.state.value.length;
+    return Math.round(Math.random() * length);
+  }
+
+  select(start, end) {
+    this._textInput.focus();
+    this.setState({selection: {start, end}});
+  }
+
+  selectRandom() {
+    var positions = [this.getRandomPosition(), this.getRandomPosition()].sort();
+    this.select(...positions);
+  }
+
+  placeAt(position) {
+    this.select(position, position);
+  }
+
+  placeAtRandom() {
+    this.placeAt(this.getRandomPosition());
+  }
+
+  render() {
+    var length = this.state.value.length;
+
+    return (
+      <View>
+        <TextInput
+          multiline={this.props.multiline}
+          onChangeText={(value) => this.setState({value})}
+          onSelectionChange={this.onSelectionChange.bind(this)}
+          ref={textInput => (this._textInput = textInput)}
+          selection={this.state.selection}
+          style={this.props.style}
+          value={this.state.value}
+        />
+        <View>
+          <Text>
+            selection = {JSON.stringify(this.state.selection)}
+          </Text>
+          <Text onPress={this.placeAt.bind(this, 0)}>
+            Place at Start (0, 0)
+          </Text>
+          <Text onPress={this.placeAt.bind(this, length)}>
+            Place at End ({length}, {length})
+          </Text>
+          <Text onPress={this.placeAtRandom.bind(this)}>
+            Place at Random
+          </Text>
+          <Text onPress={this.select.bind(this, 0, length)}>
+            Select All
+          </Text>
+          <Text onPress={this.selectRandom.bind(this)}>
+            Select Random
+          </Text>
+        </View>
+      </View>
+    );
+  }
+}
+
+var styles = StyleSheet.create({
+  page: {
+    paddingBottom: 300,
+  },
+  default: {
+    height: 26,
+    borderWidth: 0.5,
+    borderColor: '#0f0f0f',
+    flex: 1,
+    fontSize: 13,
+    padding: 4,
+  },
+  multiline: {
+    borderWidth: 0.5,
+    borderColor: '#0f0f0f',
+    flex: 1,
+    fontSize: 13,
+    height: 50,
+    padding: 4,
+    marginBottom: 4,
+  },
+  multilineWithFontStyles: {
+    color: 'blue',
+    fontWeight: 'bold',
+    fontSize: 18,
+    fontFamily: 'Cochin',
+    height: 60,
+  },
+  multilineChild: {
+    width: 50,
+    height: 40,
+    position: 'absolute',
+    right: 5,
+    backgroundColor: 'red',
+  },
+  eventLabel: {
+    margin: 3,
+    fontSize: 12,
+  },
+  labelContainer: {
+    flexDirection: 'row',
+    marginVertical: 2,
+    flex: 1,
+  },
+  label: {
+    width: 115,
+    alignItems: 'flex-end',
+    marginRight: 10,
+    paddingTop: 2,
+  },
+  rewriteContainer: {
+    flexDirection: 'row',
+    alignItems: 'center',
+  },
+  remainder: {
+    textAlign: 'right',
+    width: 24,
+  },
+  hashtag: {
+    color: 'blue',
+    fontWeight: 'bold',
+  },
+});
+
+const examples = [
+  {
+    title: 'Auto-focus',
+    render: function() {
+      return (
+        <View>
+          <TextInput
+            autoFocus={true}
+            style={styles.default}
+            accessibilityLabel="I am the accessibility label for text input"
+          />
+        </View>
+      );
+    }
+  },
+  {
+    title: "Live Re-Write (<sp>  ->  '_') + maxLength",
+    render: function() {
+      return <RewriteExample />;
+    }
+  },
+  {
+    title: 'Live Re-Write (no spaces allowed)',
+    render: function() {
+      return <RewriteExampleInvalidCharacters />;
+    }
+  },
+  {
+    title: 'Auto-capitalize',
+    render: function() {
+      return (
+        <View>
+          <WithLabel label="none">
+            <TextInput
+              autoCapitalize="none"
+              style={styles.default}
+            />
+          </WithLabel>
+          <WithLabel label="sentences">
+            <TextInput
+              autoCapitalize="sentences"
+              style={styles.default}
+            />
+          </WithLabel>
+          <WithLabel label="words">
+            <TextInput
+              autoCapitalize="words"
+              style={styles.default}
+            />
+          </WithLabel>
+          <WithLabel label="characters">
+            <TextInput
+              autoCapitalize="characters"
+              style={styles.default}
+            />
+          </WithLabel>
+        </View>
+      );
+    }
+  },
+  {
+    title: 'Auto-correct',
+    render: function() {
+      return (
+        <View>
+          <WithLabel label="true">
+            <TextInput autoCorrect={true} style={styles.default} />
+          </WithLabel>
+          <WithLabel label="false">
+            <TextInput autoCorrect={false} style={styles.default} />
+          </WithLabel>
+        </View>
+      );
+    }
+  },
+  {
+    title: 'Keyboard types',
+    render: function() {
+      var keyboardTypes = [
+        'default',
+        //'ascii-capable',
+        //'numbers-and-punctuation',
+        'url',
+        'number-pad',
+        'phone-pad',
+        //'name-phone-pad',
+        'email-address',
+        //'decimal-pad',
+        //'twitter',
+        'web-search',
+        'numeric',
+      ];
+      var examples = keyboardTypes.map((type) => {
+        return (
+          <WithLabel key={type} label={type}>
+            <TextInput
+              keyboardType={type}
+              style={styles.default}
+            />
+          </WithLabel>
+        );
+      });
+      return <View>{examples}</View>;
+    }
+  },
+  {
+    title: 'Keyboard appearance',
+    render: function() {
+      var keyboardAppearance = [
+        'default',
+        'light',
+        'dark',
+      ];
+      var examples = keyboardAppearance.map((type) => {
+        return (
+          <WithLabel key={type} label={type}>
+            <TextInput
+              keyboardAppearance={type}
+              style={styles.default}
+            />
+          </WithLabel>
+        );
+      });
+      return <View>{examples}</View>;
+    }
+  },
+  {
+    title: 'Return key types',
+    render: function() {
+      var returnKeyTypes = [
+        'default',
+        'go',
+        'google',
+        'join',
+        'next',
+        'route',
+        'search',
+        'send',
+        'yahoo',
+        'done',
+        'emergency-call',
+      ];
+      var examples = returnKeyTypes.map((type) => {
+        return (
+          <WithLabel key={type} label={type}>
+            <TextInput
+              returnKeyType={type}
+              style={styles.default}
+            />
+          </WithLabel>
+        );
+      });
+      return <View>{examples}</View>;
+    }
+  },
+  {
+    title: 'Enable return key automatically',
+    render: function() {
+      return (
+        <View>
+          <WithLabel label="true">
+            <TextInput enablesReturnKeyAutomatically={true} style={styles.default} />
+          </WithLabel>
+        </View>
+      );
+    }
+  },
+  {
+    title: 'Secure text entry',
+    render: function() {
+      return (
+        <View>
+          <WithLabel label="true">
+            <TextInput secureTextEntry={true} style={styles.default} defaultValue="abc" />
+          </WithLabel>
+        </View>
+      );
+    }
+  },
+  {
+    title: 'Event handling',
+    render: function(): React.Element<any> { return <TextEventsExample />; },
+  },
+  {
+    title: 'Colored input text',
+    render: function() {
+      return (
+        <View>
+          <TextInput
+            style={[styles.default, {color: 'blue'}]}
+            defaultValue="Blue"
+          />
+          <TextInput
+            style={[styles.default, {color: 'green'}]}
+            defaultValue="Green"
+          />
+        </View>
+      );
+    }
+  },
+  {
+    title: 'Colored highlight/cursor for text input',
+    render: function() {
+      return (
+        <View>
+          <TextInput
+            style={styles.default}
+            selectionColor={"green"}
+            defaultValue="Highlight me"
+          />
+          <TextInput
+            style={styles.default}
+            selectionColor={"rgba(86, 76, 205, 1)"}
+            defaultValue="Highlight me"
+          />
+        </View>
+      );
+    }
+  },
+  {
+    title: 'Clear button mode',
+    render: function () {
+      return (
+        <View>
+          <WithLabel label="never">
+            <TextInput
+              style={styles.default}
+              clearButtonMode="never"
+            />
+          </WithLabel>
+          <WithLabel label="while editing">
+            <TextInput
+              style={styles.default}
+              clearButtonMode="while-editing"
+            />
+          </WithLabel>
+          <WithLabel label="unless editing">
+            <TextInput
+              style={styles.default}
+              clearButtonMode="unless-editing"
+            />
+          </WithLabel>
+          <WithLabel label="always">
+            <TextInput
+              style={styles.default}
+              clearButtonMode="always"
+            />
+          </WithLabel>
+        </View>
+      );
+    }
+  },
+  {
+    title: 'Clear and select',
+    render: function() {
+      return (
+        <View>
+          <WithLabel label="clearTextOnFocus">
+            <TextInput
+              placeholder="text is cleared on focus"
+              defaultValue="text is cleared on focus"
+              style={styles.default}
+              clearTextOnFocus={true}
+            />
+          </WithLabel>
+          <WithLabel label="selectTextOnFocus">
+            <TextInput
+              placeholder="text is selected on focus"
+              defaultValue="text is selected on focus"
+              style={styles.default}
+              selectTextOnFocus={true}
+            />
+          </WithLabel>
+        </View>
+      );
+    }
+  },
+  {
+    title: 'Blur on submit',
+    render: function(): React.Element<any> { return <BlurOnSubmitExample />; },
+  },
+  {
+    title: 'Multiline blur on submit',
+    render: function() {
+      return (
+        <View>
+          <TextInput
+            style={styles.multiline}
+            placeholder="blurOnSubmit = true"
+            returnKeyType="next"
+            blurOnSubmit={true}
+            multiline={true}
+            onSubmitEditing={event => alert(event.nativeEvent.text)}
+          />
+        </View>
+      );
+    }
+  },
+  {
+    title: 'Multiline',
+    render: function() {
+      return (
+        <View>
+          <TextInput
+            placeholder="multiline text input"
+            multiline={true}
+            style={styles.multiline}
+          />
+          <TextInput
+            placeholder="multiline text input with font styles and placeholder"
+            multiline={true}
+            clearTextOnFocus={true}
+            autoCorrect={true}
+            autoCapitalize="words"
+            placeholderTextColor="red"
+            keyboardType="url"
+            style={[styles.multiline, styles.multilineWithFontStyles]}
+          />
+          <TextInput
+            placeholder="multiline text input with max length"
+            maxLength={5}
+            multiline={true}
+            style={styles.multiline}
+          />
+          <TextInput
+            placeholder="uneditable multiline text input"
+            editable={false}
+            multiline={true}
+            style={styles.multiline}
+          />
+          <TextInput
+            defaultValue="uneditable multiline text input with phone number detection: 88888888."
+            editable={false}
+            multiline={true}
+            style={styles.multiline}
+            dataDetectorTypes="phoneNumber"
+          />
+        </View>
+      );
+    }
+  },
+  {
+    title: 'Number of lines',
+    render: function() {
+      return (
+        <View>
+          <TextInput
+            multiline={true}
+            numberOfLines={4}
+            style={[ styles.multiline, { height: 'auto' } ]}
+          />
+        </View>
+      );
+    }
+  },
+  {
+    title: 'Auto-expanding',
+    render: function() {
+      return (
+        <View>
+          <AutoExpandingTextInput
+            placeholder="height increases with content"
+            enablesReturnKeyAutomatically={true}
+            returnKeyType="default"
+          />
+        </View>
+      );
+    }
+  },
+  {
+    title: 'Attributed text',
+    render: function() {
+      return <TokenizedTextExample />;
+    }
+  },
+  {
+    title: 'Text selection & cursor placement',
+    render: function() {
+      return (
+        <View>
+          <SelectionExample
+            style={styles.default}
+            value="text selection can be changed"
+          />
+          <SelectionExample
+            multiline
+            style={styles.multiline}
+            value={"multiline text selection\ncan also be changed"}
+          />
+        </View>
+      );
+    }
+  },
+  {
+    title: 'TextInput maxLength',
+    render: function() {
+      return (
+        <View>
+          <WithLabel label="maxLength: 5">
+            <TextInput
+              maxLength={5}
+              style={styles.default}
+            />
+          </WithLabel>
+          <WithLabel label="maxLength: 5 with placeholder">
+            <TextInput
+              maxLength={5}
+              placeholder="ZIP code entry"
+              style={styles.default}
+            />
+          </WithLabel>
+          <WithLabel label="maxLength: 5 with default value already set">
+            <TextInput
+              maxLength={5}
+              defaultValue="94025"
+              style={styles.default}
+            />
+          </WithLabel>
+          <WithLabel label="maxLength: 5 with very long default value already set">
+            <TextInput
+              maxLength={5}
+              defaultValue="9402512345"
+              style={styles.default}
+            />
+          </WithLabel>
+        </View>
+      );
+    }
+  }
+];
+
+examples.forEach((example) => {
+  storiesOf('component: TextInput', module)
+    .add(example.title, () => example.render())
+});

examples/components/Touchable/TouchableExample.js

@@ -307,11 +307,11 @@ var TouchableDisabled = React.createClass({
   render: function() {
     return (
       <View>
-        <TouchableOpacity disabled={true} style={[styles.row, styles.block]}>
+        <TouchableOpacity disabled={true} style={[styles.row, styles.block]} onPress={action('TouchableOpacity')}>
           <Text style={styles.disabledButton}>Disabled TouchableOpacity</Text>
         </TouchableOpacity>
 
-        <TouchableOpacity disabled={false} style={[styles.row, styles.block]}>
+        <TouchableOpacity disabled={false} style={[styles.row, styles.block]} onPress={action('TouchableOpacity')}>
           <Text style={styles.button}>Enabled TouchableOpacity</Text>
         </TouchableOpacity>
 
@@ -321,7 +321,7 @@ var TouchableDisabled = React.createClass({
           animationVelocity={0}
           underlayColor="rgb(210, 230, 255)"
           style={[styles.row, styles.block]}
-          onPress={() => console.log('custom THW text - highlight')}>
+          onPress={action('TouchableHighlight')}>
           <Text style={styles.disabledButton}>
             Disabled TouchableHighlight
           </Text>
@@ -332,7 +332,7 @@ var TouchableDisabled = React.createClass({
           animationVelocity={0}
           underlayColor="rgb(210, 230, 255)"
           style={[styles.row, styles.block]}
-          onPress={() => console.log('custom THW text - highlight')}>
+          onPress={action('TouchableHighlight')}>
           <Text style={styles.button}>
             Enabled TouchableHighlight
           </Text>

examples/components/View/ViewExample.js

@@ -31,6 +31,17 @@ var styles = StyleSheet.create({
     borderColor: '#000033',
     borderWidth: 1,
   },
+  shadowBox: {
+    width: 100,
+    height: 100,
+    borderWidth: 2,
+  },
+  shadow: {
+    shadowOpacity: 0.5,
+    shadowColor: 'red',
+    shadowRadius: 3,
+    shadowOffset: { width: 3, height: 3 },
+  },
   zIndex: {
     justifyContent: 'space-around',
     width: 100,
@@ -242,6 +253,19 @@ const examples = [
       return <ZIndexExample />;
     },
   },
+  {
+    title: 'Basic shadow',
+    render() {
+      return <View style={[ styles.shadowBox, styles.shadow ]} />;
+    }
+  },
+  {
+    title: 'Shaped shadow',
+    description: 'borderRadius: 50',
+    render() {
+      return <View style={[ styles.shadowBox, styles.shadow, {borderRadius: 50} ]} />;
+    }
+  }
 ];
 
 examples.forEach((example) => {

examples/demos/Game2048/Game2048.js

@@ -23,7 +23,7 @@ var {
   AppRegistry,
   StyleSheet,
   Text,
-  TouchableBounce,
+  TouchableOpacity,
   View,
 } = ReactNative;
 
@@ -139,9 +139,9 @@ class GameEndOverlay extends React.Component {
     return (
       <View style={styles.overlay}>
         <Text style={styles.overlayMessage}>{message}</Text>
-        <TouchableBounce onPress={this.props.onRestart} style={styles.tryAgain}>
+        <TouchableOpacity onPress={this.props.onRestart} style={styles.tryAgain}>
           <Text style={styles.tryAgainText}>Try Again?</Text>
-        </TouchableBounce>
+        </TouchableOpacity>
       </View>
     );
   }

examples/demos/TicTacToe/TicTacToe.js

@@ -113,7 +113,7 @@ var Cell = React.createClass({
       case 2:
         return styles.cellTextO;
       default:
-        return {};
+        return null;
     }
   },
 

karma.config.js

@@ -1,62 +0,0 @@
-const webpack = require('webpack')
-
-const testEntry = 'src/tests.webpack.js'
-
-module.exports = function (config) {
-  config.set({
-    browsers: process.env.TRAVIS ? [ 'Firefox' ] : [ 'Chrome' ],
-    browserNoActivityTimeout: 60000,
-    client: {
-      captureConsole: true,
-      mocha: { ui: 'tdd' },
-      useIframe: true
-    },
-    files: [
-      testEntry
-    ],
-    frameworks: [ 'mocha' ],
-    plugins: [
-      'karma-chrome-launcher',
-      'karma-firefox-launcher',
-      'karma-mocha',
-      'karma-mocha-reporter',
-      'karma-sourcemap-loader',
-      'karma-webpack'
-    ],
-    preprocessors: {
-      [testEntry]: [ 'webpack', 'sourcemap' ]
-    },
-    reporters: process.env.TRAVIS ? [ 'dots' ] : [ 'mocha' ],
-    singleRun: true,
-    webpack: {
-      devtool: 'inline-source-map',
-      // required by 'enzyme'
-      externals: {
-        'cheerio': 'window',
-        'react/addons': true,
-        'react/lib/ExecutionEnvironment': true,
-        'react/lib/ReactContext': true
-      },
-      module: {
-        loaders: [
-          {
-            test: /\.js$/,
-            exclude: /node_modules/,
-            loader: 'babel',
-            query: { cacheDirectory: true }
-          }
-        ]
-      },
-      plugins: [
-        new webpack.DefinePlugin({
-          'process.env': {
-            NODE_ENV: JSON.stringify('test')
-          }
-        })
-      ]
-    },
-    webpackServer: {
-      noInfo: true
-    }
-  })
-}

package.json

@@ -1,63 +1,66 @@
 {
   "name": "react-native-web",
-  "version": "0.0.48",
+  "version": "0.0.64",
   "description": "React Native for Web",
   "main": "dist/index.js",
   "files": [
-    "dist"
+    "dist",
+    "src",
+    "!**/__tests__"
   ],
   "scripts": {
     "build": "del ./dist && mkdir dist && babel src -d dist --ignore **/__tests__",
     "build:examples": "build-storybook -o dist-examples -c ./examples/.storybook",
+    "build:performance": "cd performance && webpack",
     "build:umd": "webpack --config webpack.config.js --sort-assets-by --progress",
     "deploy:examples": "git checkout gh-pages && rm -rf ./storybook && mv dist-examples storybook && git add -A && git commit -m \"Storybook deploy\" && git push origin gh-pages && git checkout -",
     "examples": "start-storybook -p 9001 -c ./examples/.storybook --dont-track",
-    "lint": "eslint src",
+    "lint": "eslint performance src",
     "prepublish": "npm run build && npm run build:umd",
-    "test": "karma start karma.config.js",
-    "test:watch": "npm run test -- --no-single-run"
+    "test": "npm run lint && npm run test:jest",
+    "test:jest": "jest",
+    "test:watch": "npm run test:jest -- --watch"
   },
   "dependencies": {
-    "animated": "^0.1.3",
-    "babel-runtime": "^6.11.6",
-    "fbjs": "^0.8.4",
-    "inline-style-prefixer": "^2.0.1",
-    "lodash": "^4.15.0",
-    "react-dom": "^15.3.1",
+    "animated": "^0.1.5",
+    "array-find-index": "^1.0.2",
+    "asap": "^2.0.5",
+    "babel-runtime": "^6.20.0",
+    "debounce": "^1.0.0",
+    "deep-assign": "^2.0.0",
+    "fbjs": "^0.8.8",
+    "inline-style-prefixer": "^2.0.5",
+    "react-dom": "~15.4.1",
     "react-textarea-autosize": "^4.0.4",
     "react-timer-mixin": "^0.13.3"
   },
   "devDependencies": {
     "@kadira/storybook": "^2.5.1",
     "babel-cli": "^6.14.0",
-    "babel-core": "^6.14.0",
-    "babel-eslint": "^6.1.2",
-    "babel-loader": "^6.2.5",
-    "babel-preset-react-native": "^1.9.0",
-    "del-cli": "^0.2.0",
+    "babel-core": "^6.21.0",
+    "babel-eslint": "^7.1.1",
+    "babel-loader": "^6.2.10",
+    "babel-plugin-transform-react-remove-prop-types": "^0.2.11",
+    "babel-preset-react-native": "^1.9.1",
+    "del-cli": "^0.2.1",
     "enzyme": "^2.4.1",
     "eslint": "^3.4.0",
     "eslint-plugin-jsx-a11y": "^2.2.0",
     "eslint-plugin-promise": "^2.0.1",
     "eslint-plugin-react": "^6.1.2",
     "file-loader": "^0.9.0",
-    "karma": "^1.2.0",
-    "karma-browserstack-launcher": "^1.0.1",
-    "karma-chrome-launcher": "^2.0.0",
-    "karma-firefox-launcher": "^1.0.0",
-    "karma-mocha": "^1.1.1",
-    "karma-mocha-reporter": "^2.1.0",
-    "karma-sourcemap-loader": "^0.3.7",
-    "karma-webpack": "^1.8.0",
-    "mocha": "^3.0.2",
+    "jest": "^16.0.2",
+    "marky": "^1.1.1",
     "node-libs-browser": "^0.5.3",
-    "react": "^15.3.1",
-    "react-addons-test-utils": "^15.3.1",
+    "react": "~15.4.1",
+    "react-addons-test-utils": "~15.4.1",
+    "react-test-renderer": "~15.4.1",
     "url-loader": "^0.5.7",
-    "webpack": "^1.13.2"
+    "webpack": "^1.13.2",
+    "webpack-bundle-analyzer": "^1.5.3"
   },
   "peerDependencies": {
-    "react": "^15.3.1"
+    "react": "~15.4.1"
   },
   "author": "Nicolas Gallagher",
   "license": "BSD-3-Clause",
@@ -73,5 +76,9 @@
     "react-component",
     "react-native",
     "web"
-  ]
+  ],
+  "jest": {
+    "testEnvironment": "jsdom",
+    "timers": "fake"
+  }
 }

performance/benchmark.js

@@ -0,0 +1,65 @@
+import * as marky from 'marky';
+
+const fmt = (time) => `${Math.round(time * 100) / 100}ms`;
+
+const measure = (name, fn) => {
+  marky.mark(name);
+  fn();
+  const performanceMeasure = marky.stop(name);
+  return performanceMeasure;
+};
+
+const benchmark = ({ name, description, setup, teardown, task, runs }) => {
+  return new Promise((resolve) => {
+    const performanceMeasures = [];
+    let i = 0;
+
+    setup();
+    const first = measure('first', task);
+    teardown();
+
+    const done = () => {
+      const mean = performanceMeasures.reduce((sum, performanceMeasure) => {
+        return sum + performanceMeasure.duration;
+      }, 0) / runs;
+
+      const firstDuration = fmt(first.duration);
+      const meanDuration = fmt(mean);
+
+      console.log(`First: ${firstDuration}`);
+      console.log(`Mean: ${meanDuration}`);
+      console.groupEnd();
+      resolve(mean);
+    };
+
+    const a = () => {
+      setup();
+      window.requestAnimationFrame(b);
+    };
+
+    const b = () => {
+      performanceMeasures.push(measure('mean', task));
+      window.requestAnimationFrame(c);
+    };
+
+    const c = () => {
+      teardown();
+      window.requestAnimationFrame(d);
+    };
+
+    const d = () => {
+      i += 1;
+      if (i < runs) {
+        window.requestAnimationFrame(a);
+      } else {
+        window.requestAnimationFrame(done);
+      }
+    };
+
+    console.group(`[benchmark] ${name}`);
+    console.log(description);
+    window.requestAnimationFrame(a);
+  });
+};
+
+module.exports = benchmark;

performance/benchmarks/deepTree/createDeepTree.js

@@ -0,0 +1,88 @@
+import React, { Component, PropTypes } from 'react';
+
+const createDeepTree = ({ StyleSheet, View }, options = {}) => {
+  class DeepTree extends Component {
+    static propTypes = {
+      breadth: PropTypes.number.isRequired,
+      depth: PropTypes.number.isRequired,
+      id: PropTypes.number.isRequired,
+      wrap: PropTypes.number.isRequired
+    };
+
+    render() {
+      const { breadth, depth, id, wrap } = this.props;
+
+      let result = (
+        <View
+          style={[
+            styles.outer,
+            depth % 2 === 0 ? styles.even : styles.odd,
+            styles[`custom${id % 3}`]
+          ]}
+        >
+          {depth === 0 && (
+            <View
+              style={[
+                styles.terminal,
+                styles[`terminal${id % 3}`]
+              ]}
+            />
+          )}
+          {depth !== 0 && Array.from({ length: breadth }).map((el, i) => (
+            <DeepTree
+              breadth={breadth}
+              depth={depth - 1}
+              id={i}
+              key={i}
+              wrap={wrap}
+            />
+          ))}
+        </View>
+      );
+      for (let i = 0; i < wrap; i++) {
+        result = <View>{result}</View>;
+      }
+      return result;
+    }
+  }
+
+  const stylesObject = {
+    outer: {
+      padding: 4
+    },
+    odd: {
+      flexDirection: 'row'
+    },
+    even: {
+      flexDirection: 'column'
+    },
+    custom0: {
+      backgroundColor: '#222'
+    },
+    custom1: {
+      backgroundColor: '#666'
+    },
+    custom2: {
+      backgroundColor: '#999'
+    },
+    terminal: {
+      width: 20,
+      height: 20
+    },
+    terminal0: {
+      backgroundColor: 'blue'
+    },
+    terminal1: {
+      backgroundColor: 'orange'
+    },
+    terminal2: {
+      backgroundColor: 'red'
+    }
+  };
+
+  const styles = options.registerStyles ? StyleSheet.create(stylesObject) : stylesObject;
+
+  return DeepTree;
+};
+
+module.exports = createDeepTree;

performance/benchmarks/deepTree/index.js

@@ -0,0 +1,24 @@
+import benchmark from '../../benchmark';
+import createDeepTree from './createDeepTree';
+import React from 'react';
+import ReactDOM from 'react-dom';
+import ReactNative from 'react-native';
+
+const deepTreeBenchmark = ({ breadth, depth, registerStyles = true, runs, wrap }, node) => () => {
+  // React Native for Web implementation of the tree
+  const DeepTree = createDeepTree(ReactNative, { registerStyles });
+
+  const setup = () => {};
+  const teardown = () => ReactDOM.unmountComponentAtNode(node);
+
+  return benchmark({
+    name: `DeepTree (${registerStyles ? 'registered' : 'unregistered'}) styles)`,
+    description: `depth=${depth}, breadth=${breadth}, wrap=${wrap}`,
+    runs,
+    setup,
+    teardown,
+    task: () => ReactDOM.render(<DeepTree breadth={breadth} depth={depth} id={0} wrap={wrap} />, node)
+  });
+};
+
+module.exports = deepTreeBenchmark;

performance/index.html

@@ -0,0 +1,11 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <title>Title</title>
+</head>
+<body>
+  <div class="root"></div>
+  <script src="../dist-performance/performance.bundle.js"></script>
+</body>
+</html>

performance/index.js

@@ -0,0 +1,16 @@
+import createDeepTree from './benchmarks/deepTree/createDeepTree';
+import deepTree from './benchmarks/deepTree';
+import React from 'react';
+import ReactDOM from 'react-dom';
+import ReactNative from 'react-native';
+
+const node = document.querySelector('.root');
+const DeepTree = createDeepTree(ReactNative);
+
+Promise.resolve()
+  .then(deepTree({ wrap: 4, depth: 3, breadth: 10, runs: 10, registerStyles: false }, node))
+  .then(deepTree({ wrap: 1, depth: 5, breadth: 3, runs: 20, registerStyles: false }, node))
+  .then(deepTree({ wrap: 4, depth: 3, breadth: 10, runs: 10 }, node))
+  .then(deepTree({ wrap: 1, depth: 5, breadth: 3, runs: 20 }, node))
+  .then(() => ReactDOM.render(<DeepTree breadth={3} depth={5} id={0} wrap={1} />, node));
+

performance/webpack.config.js

@@ -0,0 +1,45 @@
+const path = require('path');
+const webpack = require('webpack');
+// const BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPlugin;
+
+module.exports = {
+  entry: {
+    performance: './index'
+  },
+  output: {
+    path: path.resolve(__dirname, '../dist-performance'),
+    filename: 'performance.bundle.js'
+  },
+  module: {
+    loaders: [
+      {
+        test: /\.js$/,
+        exclude: /node_modules/,
+        loader: 'babel-loader',
+        query: { cacheDirectory: true }
+      }
+    ]
+  },
+  plugins: [
+    new webpack.DefinePlugin({ 'process.env.NODE_ENV': JSON.stringify('production') }),
+    new webpack.optimize.DedupePlugin(),
+    // https://github.com/animatedjs/animated/issues/40
+    new webpack.NormalModuleReplacementPlugin(
+      /es6-set/,
+      path.join(__dirname, '../src/modules/polyfills/Set.js')
+    ),
+    new webpack.optimize.OccurenceOrderPlugin(),
+    new webpack.optimize.UglifyJsPlugin({
+      compress: {
+        dead_code: true,
+        screw_ie8: true,
+        warnings: true
+      }
+    })
+  ],
+  resolve: {
+    alias: {
+      'react-native': path.join(__dirname, '../src')
+    }
+  }
+};

src/apis/AppRegistry/__tests__/__snapshots__/renderApplication-test.js.snap

@@ -0,0 +1,48 @@
+exports[`apis/AppRegistry/renderApplication getApplication 1`] = `
+"<style id=\"react-native-stylesheet\">
+/* React Native StyleSheet*/
+html{font-family:sans-serif;-ms-text-size-adjust:100%;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:rgba(0,0,0,0)}
+body{margin:0}
+button::-moz-focus-inner,input::-moz-focus-inner{border:0;padding:0}
+input::-webkit-inner-spin-button,input::-webkit-outer-spin-button,input::-webkit-search-cancel-button,input::-webkit-search-decoration,input::-webkit-search-results-button,input::-webkit-search-results-decoration{display:none}
+@keyframes rn-ActivityIndicator-animation{0%{-webkit-transform: rotate(0deg); transform: rotate(0deg);}100%{-webkit-transform: rotate(360deg); transform: rotate(360deg);}}
+@keyframes rn-ProgressBar-animation{0%{-webkit-transform: translateX(-100%); transform: translateX(-100%);}100%{-webkit-transform: translateX(400%); transform: translateX(400%);}}
+.rn-pointerEvents\\:auto,.rn_pointerEvents\\:box-only,.rn-pointerEvents\\:box-none *{pointer-events:auto}.rn-pointerEvents\\:none,.rn_pointerEvents\\:box-only *,.rn-pointerEvents\\:box-none{pointer-events:none}
+.rn-bottom\\:0px{bottom:0px}
+.rn-left\\:0px{left:0px}
+.rn-position\\:absolute{position:absolute}
+.rn-right\\:0px{right:0px}
+.rn-top\\:0px{top:0px}
+.rn-alignItems\\:stretch{-ms-flex-align:stretch;-webkit-align-items:stretch;-webkit-box-align:stretch;align-items:stretch}
+.rn-backgroundColor\\:transparent{background-color:transparent}
+.rn-borderTopStyle\\:solid{border-top-style:solid}
+.rn-borderRightStyle\\:solid{border-right-style:solid}
+.rn-borderBottomStyle\\:solid{border-bottom-style:solid}
+.rn-borderLeftStyle\\:solid{border-left-style:solid}
+.rn-borderTopWidth\\:0px{border-top-width:0px}
+.rn-borderRightWidth\\:0px{border-right-width:0px}
+.rn-borderBottomWidth\\:0px{border-bottom-width:0px}
+.rn-borderLeftWidth\\:0px{border-left-width:0px}
+.rn-boxSizing\\:border-box{-moz-box-sizing:border-box;box-sizing:border-box}
+.rn-color\\:inherit{color:inherit}
+.rn-display\\:flex{display:-webkit-box;display:-moz-box;display:-ms-flexbox;display:-webkit-flex;display:flex}
+.rn-flexBasis\\:auto{-ms-preferred-size:auto;-webkit-flex-basis:auto;flex-basis:auto}
+.rn-flexDirection\\:column{-ms-flex-direction:column;-webkit-box-direction:normal;-webkit-box-orient:vertical;-webkit-flex-direction:column;flex-direction:column}
+.rn-font\\:inherit{font:inherit}
+.rn-listStyle\\:none{list-style:none}
+.rn-marginTop\\:0px{margin-top:0px}
+.rn-marginRight\\:0px{margin-right:0px}
+.rn-marginBottom\\:0px{margin-bottom:0px}
+.rn-marginLeft\\:0px{margin-left:0px}
+.rn-minHeight\\:0px{min-height:0px}
+.rn-minWidth\\:0px{min-width:0px}
+.rn-paddingTop\\:0px{padding-top:0px}
+.rn-paddingRight\\:0px{padding-right:0px}
+.rn-paddingBottom\\:0px{padding-bottom:0px}
+.rn-paddingLeft\\:0px{padding-left:0px}
+.rn-position\\:relative{position:relative}
+.rn-textAlign\\:inherit{text-align:inherit}
+.rn-textDecoration\\:none{text-decoration:none}
+.rn-flexShrink\\:0{-ms-flex-negative:0px;-webkit-flex-shrink:0px;flex-shrink:0}
+</style>"
+`;

src/apis/AppRegistry/__tests__/renderApplication-test.js

@@ -1,16 +1,15 @@
-/* eslint-env mocha */
+/* eslint-env jasmine, jest */
 
-import assert from 'assert';
-import { prerenderApplication } from '../renderApplication';
+import { getApplication } from '../renderApplication';
 import React from 'react';
 
 const component = () => <div />;
 
-suite('apis/AppRegistry/renderApplication', () => {
-  test('prerenderApplication', () => {
-    const { html, styleElement } = prerenderApplication(component, {});
+describe('apis/AppRegistry/renderApplication', () => {
+  test('getApplication', () => {
+    const { element, stylesheet } = getApplication(component, {});
 
-    assert.ok(html.indexOf('<div ') > -1);
-    assert.equal(styleElement.type, 'style');
+    expect(element).toBeTruthy();
+    expect(stylesheet).toMatchSnapshot();
   });
 });

src/apis/AppRegistry/index.js

@@ -8,9 +8,10 @@
 
 import { Component } from 'react';
 import invariant from 'fbjs/lib/invariant';
-import ReactDOM from 'react-dom';
-import renderApplication, { prerenderApplication } from './renderApplication';
+import { unmountComponentAtNode } from 'react-dom/lib/ReactMount';
+import renderApplication, { getApplication } from './renderApplication';
 
+const emptyObject = {};
 const runnables = {};
 
 type ComponentProvider = () => Component<any, any, any>
@@ -29,20 +30,20 @@ class AppRegistry {
     return Object.keys(runnables);
   }
 
-  static prerenderApplication(appKey: string, appParameters?: Object): string {
+  static getApplication(appKey: string, appParameters?: Object): string {
     invariant(
-      runnables[appKey] && runnables[appKey].prerender,
+      runnables[appKey] && runnables[appKey].getApplication,
       `Application ${appKey} has not been registered. ` +
       'This is either due to an import error during initialization or failure to call AppRegistry.registerComponent.'
     );
 
-    return runnables[appKey].prerender(appParameters);
+    return runnables[appKey].getApplication(appParameters);
   }
 
   static registerComponent(appKey: string, getComponentFunc: ComponentProvider): string {
     runnables[appKey] = {
-      run: ({ initialProps, rootTag }) => renderApplication(getComponentFunc(), initialProps, rootTag),
-      prerender: ({ initialProps } = {}) => prerenderApplication(getComponentFunc(), initialProps)
+      getApplication: ({ initialProps } = emptyObject) => getApplication(getComponentFunc(), initialProps),
+      run: ({ initialProps = emptyObject, rootTag }) => renderApplication(getComponentFunc(), initialProps, rootTag)
     };
     return appKey;
   }
@@ -85,7 +86,7 @@ class AppRegistry {
   }
 
   static unmountApplicationComponentAtRootTag(rootTag) {
-    ReactDOM.unmountComponentAtNode(rootTag);
+    unmountComponentAtNode(rootTag);
   }
 }
 

src/apis/AppRegistry/renderApplication.js

@@ -7,8 +7,7 @@
  */
 
 import invariant from 'fbjs/lib/invariant';
-import ReactDOM from 'react-dom';
-import ReactDOMServer from 'react-dom/server';
+import { render } from 'react-dom/lib/ReactMount';
 import ReactNativeApp from './ReactNativeApp';
 import StyleSheet from '../../apis/StyleSheet';
 import React, { Component } from 'react';
@@ -23,17 +22,16 @@ export default function renderApplication(RootComponent: Component, initialProps
       rootTag={rootTag}
     />
   );
-  ReactDOM.render(component, rootTag);
+  render(component, rootTag);
 }
 
-export function prerenderApplication(RootComponent: Component, initialProps: Object): string {
-  const component = (
+export function getApplication(RootComponent: Component, initialProps: Object): Object {
+  const element = (
     <ReactNativeApp
       initialProps={initialProps}
       rootComponent={RootComponent}
     />
   );
-  const html = ReactDOMServer.renderToString(component);
-  const styleElement = StyleSheet.render();
-  return { html, styleElement };
+  const stylesheet = StyleSheet.renderToString();
+  return { element, stylesheet };
 }

src/apis/AppState/__tests__/index-test.js

@@ -1,31 +1,30 @@
-/* eslint-env mocha */
+/* eslint-env jasmine, jest */
 
 import AppState from '..';
-import assert from 'assert';
 
-suite('apis/AppState', () => {
+describe('apis/AppState', () => {
   const handler = () => {};
 
-  teardown(() => {
+  afterEach(() => {
     try { AppState.removeEventListener('change', handler); } catch (e) {}
   });
 
-  suite('addEventListener', () => {
+  describe('addEventListener', () => {
     test('throws if the provided "eventType" is not supported', () => {
-      assert.throws(() => AppState.addEventListener('foo', handler));
-      assert.doesNotThrow(() => AppState.addEventListener('change', handler));
+      expect(() => AppState.addEventListener('foo', handler)).toThrow();
+      expect(() => AppState.addEventListener('change', handler)).not.toThrow();
     });
   });
 
-  suite('removeEventListener', () => {
+  describe('removeEventListener', () => {
     test('throws if the handler is not registered', () => {
-      assert.throws(() => AppState.removeEventListener('change', handler));
+      expect(() => AppState.removeEventListener('change', handler)).toThrow();
     });
 
     test('throws if the provided "eventType" is not supported', () => {
       AppState.addEventListener('change', handler);
-      assert.throws(() => AppState.removeEventListener('foo', handler));
-      assert.doesNotThrow(() => AppState.removeEventListener('change', handler));
+      expect(() => AppState.removeEventListener('foo', handler)).toThrow();
+      expect(() => AppState.removeEventListener('change', handler)).not.toThrow();
     });
   });
 });

src/apis/AppState/index.js

@@ -1,5 +1,5 @@
 import ExecutionEnvironment from 'fbjs/lib/ExecutionEnvironment';
-import findIndex from 'lodash/findIndex';
+import findIndex from 'array-find-index';
 import invariant from 'fbjs/lib/invariant';
 
 const EVENT_TYPES = [ 'change' ];

src/apis/AsyncStorage/__tests__/__snapshots__/index-test.js.snap

@@ -0,0 +1,11 @@
+exports[`apis/AsyncStorage mergeLocalStorageItem should have same behavior as react-native 1`] = `
+Object {
+  "age": 31,
+  "name": "Chris",
+  "traits": Object {
+    "eyes": "blue",
+    "hair": "brown",
+    "shoe_size": 10,
+  },
+}
+`;

src/apis/AsyncStorage/__tests__/index-test.js

@@ -1,5 +1,4 @@
-/* eslint-env mocha */
-import assert from 'assert';
+/* eslint-env jasmine, jest */
 import AsyncStorage from '..';
 
 const waterfall = (fns, cb) => {
@@ -20,9 +19,21 @@ const waterfall = (fns, cb) => {
   _waterfall();
 };
 
-suite('apis/AsyncStorage', () => {
-  suite('mergeLocalStorageItem', () => {
+const obj = {};
+const mockLocalStorage = {
+  getItem(key) {
+    return obj[key];
+  },
+  setItem(key, value) {
+    obj[key] = value;
+  }
+};
+const originalLocalStorage = window.localStorage;
+
+describe('apis/AsyncStorage', () => {
+  describe('mergeLocalStorageItem', () => {
     test('should have same behavior as react-native', (done) => {
+      window.localStorage = mockLocalStorage;
       // https://facebook.github.io/react-native/docs/asyncstorage.html
       const UID123_object = {
         name: 'Chris',
@@ -33,6 +44,7 @@ suite('apis/AsyncStorage', () => {
         age: 31,
         traits: { eyes: 'blue', shoe_size: 10 }
       };
+
       waterfall([
         (cb) => {
           AsyncStorage.setItem('UID123', JSON.stringify(UID123_object))
@@ -52,12 +64,9 @@ suite('apis/AsyncStorage', () => {
             .catch(cb);
         }
       ], (err, result) => {
-        assert.equal(err, null);
-        assert.deepEqual(result, {
-          'name': 'Chris', 'age': 31, 'traits': {
-            'shoe_size': 10, 'hair': 'brown', 'eyes': 'blue'
-          }
-        });
+        expect(err).toEqual(null);
+        expect(result).toMatchSnapshot();
+        window.localStorage = originalLocalStorage;
         done();
       });
     });

src/apis/AsyncStorage/index.js

@@ -3,7 +3,7 @@
  * Copyright (c) 2015-present, Facebook, Inc.
  * All rights reserved.
  */
-import merge from 'lodash/merge';
+import merge from 'deep-assign';
 
 const mergeLocalStorageItem = (key, value) => {
   const oldValue = window.localStorage.getItem(key);

src/apis/BackAndroid/index.js

@@ -0,0 +1,28 @@
+/**
+ * Copyright (c) 2015-present, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ *
+ * web stub for BackAndroid.android.js
+ *
+ * @providesModule BackAndroid
+ */
+
+'use strict';
+
+function emptyFunction() {}
+
+const BackAndroid = {
+  exitApp: emptyFunction,
+  addEventListener() {
+    return {
+      remove: emptyFunction
+    };
+  },
+  removeEventListener: emptyFunction
+};
+
+module.exports = BackAndroid;

src/apis/Clipboard/index.js

@@ -0,0 +1,21 @@
+class Clipboard {
+  static getString() {
+    return Promise.resolve('');
+  }
+
+  static setString(text) {
+    let success = false;
+    const textField = document.createElement('textarea');
+    textField.innerText = text;
+    document.body.appendChild(textField);
+    textField.select();
+    try {
+      document.execCommand('copy');
+      success = true;
+    } catch (e) {}
+    document.body.removeChild(textField);
+    return success;
+  }
+}
+
+module.exports = Clipboard;

src/apis/Dimensions/__tests__/index-test.js

@@ -1,5 +1,5 @@
-/* eslint-env mocha */
+/* eslint-env jasmine, jest */
 
-suite('apis/Dimensions', () => {
+describe('apis/Dimensions', () => {
   test.skip('NO TEST COVERAGE', () => {});
 });

src/apis/Dimensions/index.js

@@ -6,7 +6,7 @@
  * @flow
  */
 
-import debounce from 'lodash/debounce';
+import debounce from 'debounce';
 import ExecutionEnvironment from 'fbjs/lib/ExecutionEnvironment';
 import invariant from 'fbjs/lib/invariant';
 

src/apis/I18nManager/__tests__/index-test.js

@@ -1,45 +1,44 @@
-/* eslint-env mocha */
+/* eslint-env jasmine, jest */
 
-import assert from 'assert';
 import I18nManager from '..';
 
-suite('apis/I18nManager', () => {
-  suite('when RTL not enabled', () => {
-    setup(() => {
+describe('apis/I18nManager', () => {
+  describe('when RTL not enabled', () => {
+    beforeEach(() => {
       I18nManager.setPreferredLanguageRTL(false);
     });
 
     test('is "false" by default', () => {
-      assert.equal(I18nManager.isRTL, false);
-      assert.equal(document.documentElement.getAttribute('dir'), 'ltr');
+      expect(I18nManager.isRTL).toEqual(false);
+      expect(document.documentElement.getAttribute('dir')).toEqual('ltr');
     });
 
     test('is "true" when forced', () => {
       I18nManager.forceRTL(true);
-      assert.equal(I18nManager.isRTL, true);
-      assert.equal(document.documentElement.getAttribute('dir'), 'rtl');
+      expect(I18nManager.isRTL).toEqual(true);
+      expect(document.documentElement.getAttribute('dir')).toEqual('rtl');
       I18nManager.forceRTL(false);
     });
   });
 
-  suite('when RTL is enabled', () => {
-    setup(() => {
+  describe('when RTL is enabled', () => {
+    beforeEach(() => {
       I18nManager.setPreferredLanguageRTL(true);
     });
 
-    teardown(() => {
+    afterEach(() => {
       I18nManager.setPreferredLanguageRTL(false);
     });
 
     test('is "true" by default', () => {
-      assert.equal(I18nManager.isRTL, true);
-      assert.equal(document.documentElement.getAttribute('dir'), 'rtl');
+      expect(I18nManager.isRTL).toEqual(true);
+      expect(document.documentElement.getAttribute('dir')).toEqual('rtl');
     });
 
     test('is "false" when not allowed', () => {
       I18nManager.allowRTL(false);
-      assert.equal(I18nManager.isRTL, false);
-      assert.equal(document.documentElement.getAttribute('dir'), 'ltr');
+      expect(I18nManager.isRTL).toEqual(false);
+      expect(document.documentElement.getAttribute('dir')).toEqual('ltr');
       I18nManager.allowRTL(true);
     });
   });

src/apis/InteractionManager/index.js

@@ -6,13 +6,12 @@
  */
 
 import invariant from 'fbjs/lib/invariant';
-import keyMirror from 'fbjs/lib/keyMirror';
 
 const InteractionManager = {
-  Events: keyMirror({
-    interactionStart: true,
-    interactionComplete: true
-  }),
+  Events: {
+    interactionStart: 'interactionStart',
+    interactionComplete: 'interactionComplete'
+  },
 
   /**
    * Schedule a function to run after all interactions have completed.

src/apis/Linking/index.js

@@ -0,0 +1,36 @@
+const Linking = {
+  addEventListener() {},
+  removeEventListener() {},
+  canOpenUrl() { return true; },
+  getInitialUrl() { return ''; },
+  openURL(url) {
+    iframeOpen(url);
+  }
+};
+
+/**
+ * Tabs opened using JavaScript may redirect the parent tab using
+ * `window.opener.location`, ignoring cross-origin restrictions and enabling
+ * phishing attacks.
+ *
+ * Safari requires that we open the url by injecting a hidden iframe that calls
+ * window.open(), then removes the iframe from the DOM.
+ *
+ * https://mathiasbynens.github.io/rel-noopener/
+ */
+const iframeOpen = (url) => {
+  const iframe = document.createElement('iframe');
+  iframe.style.display = 'none';
+  document.body.appendChild(iframe);
+
+  const iframeDoc = iframe.contentDocument || iframe.contentWindow.document;
+  const script = iframeDoc.createElement('script');
+  script.text = `
+    window.parent = null; window.top = null; window.frameElement = null;
+    var child = window.open("${url}"); child.opener = null;
+  `;
+  iframeDoc.body.appendChild(script);
+  document.body.removeChild(iframe);
+};
+
+module.exports = Linking;

src/apis/NetInfo/__tests__/index-test.js

@@ -1,5 +1,32 @@
-/* eslint-env mocha */
+/* eslint-env jasmine, jest */
 
-suite('apis/NetInfo', () => {
-  test.skip('NO TEST COVERAGE', () => {});
+import NetInfo from '..';
+
+describe('apis/NetInfo', () => {
+  describe('isConnected', () => {
+    const handler = () => {};
+
+    afterEach(() => {
+      try { NetInfo.isConnected.removeEventListener('change', handler); } catch (e) {}
+    });
+
+    describe('addEventListener', () => {
+      test('throws if the provided "eventType" is not supported', () => {
+        expect(() => NetInfo.isConnected.addEventListener('foo', handler)).toThrow();
+        expect(() => NetInfo.isConnected.addEventListener('change', handler)).not.toThrow();
+      });
+    });
+
+    describe('removeEventListener', () => {
+      test('throws if the handler is not registered', () => {
+        expect(() => NetInfo.isConnected.removeEventListener('change', handler)).toThrow;
+      });
+
+      test('throws if the provided "eventType" is not supported', () => {
+        NetInfo.isConnected.addEventListener('change', handler);
+        expect(() => NetInfo.isConnected.removeEventListener('foo', handler)).toThrow;
+        expect(() => NetInfo.isConnected.removeEventListener('change', handler)).not.toThrow;
+      });
+    });
+  });
 });

src/apis/NetInfo/index.js

@@ -7,6 +7,7 @@
  */
 
 import ExecutionEnvironment from 'fbjs/lib/ExecutionEnvironment';
+import findIndex from 'array-find-index';
 import invariant from 'fbjs/lib/invariant';
 
 const connection = ExecutionEnvironment.canUseDOM && (
@@ -17,6 +18,8 @@ const connection = ExecutionEnvironment.canUseDOM && (
 
 const eventTypes = [ 'change' ];
 
+const connectionListeners = [];
+
 /**
  * Navigator online: https://developer.mozilla.org/en-US/docs/Web/API/NavigatorOnLine/onLine
  * Network Connection API: https://developer.mozilla.org/en-US/docs/Web/API/NetworkInformation
@@ -56,8 +59,12 @@ const NetInfo = {
   isConnected: {
     addEventListener(type: string, handler: Function): { remove: () => void } {
       invariant(eventTypes.indexOf(type) !== -1, 'Trying to subscribe to unknown event: "%s"', type);
-      window.addEventListener('online', handler.bind(null, true), false);
-      window.addEventListener('offline', handler.bind(null, false), false);
+      const onlineCallback = () => handler(true);
+      const offlineCallback = () => handler(false);
+      connectionListeners.push([ handler, onlineCallback, offlineCallback ]);
+
+      window.addEventListener('online', onlineCallback, false);
+      window.addEventListener('offline', offlineCallback, false);
 
       return {
         remove: () => NetInfo.isConnected.removeEventListener(type, handler)
@@ -66,8 +73,15 @@ const NetInfo = {
 
     removeEventListener(type: string, handler: Function): void {
       invariant(eventTypes.indexOf(type) !== -1, 'Trying to subscribe to unknown event: "%s"', type);
-      window.removeEventListener('online', handler.bind(null, true), false);
-      window.removeEventListener('offline', handler.bind(null, false), false);
+
+      const listenerIndex = findIndex(connectionListeners, (pair) => pair[0] === handler);
+      invariant(listenerIndex !== -1, 'Trying to remove NetInfo connection listener for unregistered handler');
+      const [ , onlineCallback, offlineCallback ] = connectionListeners[listenerIndex];
+
+      window.removeEventListener('online', onlineCallback, false);
+      window.removeEventListener('offline', offlineCallback, false);
+
+      connectionListeners.splice(listenerIndex, 1);
     },
 
     fetch(): Promise {

src/apis/PanResponder/index.js

@@ -6,7 +6,7 @@
 
 "use strict";
 
-var TouchHistoryMath = require('react/lib/TouchHistoryMath');
+var TouchHistoryMath = require('react-dom/lib/TouchHistoryMath');
 
 var currentCentroidXOfTouchesChangedAfter =
   TouchHistoryMath.currentCentroidXOfTouchesChangedAfter;

src/apis/PixelRatio/__tests__/index-test.js

@@ -1,5 +1,5 @@
-/* eslint-env mocha */
+/* eslint-env jasmine, jest */
 
-suite('apis/PixelRatio', () => {
+describe('apis/PixelRatio', () => {
   test.skip('NO TEST COVERAGE', () => {});
 });

src/apis/StyleSheet/StyleSheetValidation.js

@@ -9,8 +9,8 @@
 
 import { PropTypes } from 'react'
 import ImageStylePropTypes from '../../components/Image/ImageStylePropTypes'
-import ReactPropTypeLocations from 'react/lib/ReactPropTypeLocations'
-import ReactPropTypesSecret from 'react/lib/ReactPropTypesSecret'
+import ReactPropTypeLocations from 'react-dom/lib/ReactPropTypeLocations'
+import ReactPropTypesSecret from 'react-dom/lib/ReactPropTypesSecret'
 import TextStylePropTypes from '../../components/Text/TextStylePropTypes'
 import ViewStylePropTypes from '../../components/View/ViewStylePropTypes'
 import warning from 'fbjs/lib/warning'

src/apis/StyleSheet/__tests__/__snapshots__/createReactDOMStyle-test.js.snap

@@ -0,0 +1,15 @@
+exports[`apis/StyleSheet/createReactDOMStyle converts ReactNative style to ReactDOM style 1`] = `
+Object {
+  "borderBottomWidth": "1px",
+  "borderLeftWidth": "1px",
+  "borderRightWidth": "1px",
+  "borderTopWidth": "1px",
+  "borderWidthLeft": "2px",
+  "borderWidthRight": "3px",
+  "boxShadow": "1px 1px 1px 1px #000, 1px 2px 0px rgba(255,0,0,1)",
+  "display": "flex",
+  "marginBottom": "0px",
+  "marginTop": "0px",
+  "opacity": 0,
+}
+`;

src/apis/StyleSheet/__tests__/__snapshots__/expandStyle-test.js.snap

@@ -0,0 +1,18 @@
+exports[`apis/StyleSheet/expandStyle shortform -> longform 1`] = `
+Object {
+  "borderBottomColor": "white",
+  "borderBottomStyle": "solid",
+  "borderBottomWidth": "1px",
+  "borderLeftStyle": "solid",
+  "borderLeftWidth": "0px",
+  "borderRightStyle": "solid",
+  "borderRightWidth": "0px",
+  "borderTopStyle": "solid",
+  "borderTopWidth": "0px",
+  "boxSizing": "border-box",
+  "marginBottom": "25px",
+  "marginLeft": "10px",
+  "marginRight": "10px",
+  "marginTop": "50px",
+}
+`;

src/apis/StyleSheet/__tests__/__snapshots__/flattenStyle-test.js.snap

@@ -0,0 +1,26 @@
+exports[`apis/StyleSheet/flattenStyle should merge style objects 1`] = `
+Object {
+  "opacity": 1,
+  "order": 2,
+}
+`;
+
+exports[`apis/StyleSheet/flattenStyle should override style properties 1`] = `
+Object {
+  "backgroundColor": "#023c69",
+  "order": null,
+}
+`;
+
+exports[`apis/StyleSheet/flattenStyle should overwrite properties with \`undefined\` 1`] = `
+Object {
+  "backgroundColor": undefined,
+}
+`;
+
+exports[`apis/StyleSheet/flattenStyle should recursively flatten arrays 1`] = `
+Object {
+  "opacity": 1,
+  "order": 3,
+}
+`;

src/apis/StyleSheet/__tests__/__snapshots__/generateCss-test.js.snap

@@ -0,0 +1 @@
+exports[`apis/StyleSheet/generateCss generates correct css 1`] = `"-webkit-transition-duration:0.1s;border-width-left:2px;border-width-right:3px;box-shadow:1px 1px 1px 1px #000;position:absolute;transition-duration:0.1s"`;

src/apis/StyleSheet/__tests__/__snapshots__/i18nStyle-test.js.snap

@@ -0,0 +1,107 @@
+exports[`apis/StyleSheet/i18nStyle LTR mode does not auto-flip 1`] = `
+Object {
+  "borderBottomLeftRadius": 20,
+  "borderBottomRightRadius": "2rem",
+  "borderLeftColor": "red",
+  "borderLeftStyle": "solid",
+  "borderLeftWidth": 5,
+  "borderRightColor": "blue",
+  "borderRightStyle": "dotted",
+  "borderRightWidth": 6,
+  "borderTopLeftRadius": 10,
+  "borderTopRightRadius": "1rem",
+  "left": 1,
+  "marginLeft": 7,
+  "marginRight": 8,
+  "paddingLeft": 9,
+  "paddingRight": 10,
+  "right": 2,
+  "textAlign": "left",
+  "textShadowOffset": Object {
+    "height": 10,
+    "width": "1rem",
+  },
+  "writingDirection": "ltr",
+}
+`;
+
+exports[`apis/StyleSheet/i18nStyle LTR mode normalizes properties 1`] = `
+Object {
+  "borderBottomLeftRadius": 20,
+  "borderBottomRightRadius": "2rem",
+  "borderLeftColor": "red",
+  "borderLeftStyle": "solid",
+  "borderLeftWidth": 5,
+  "borderRightColor": "blue",
+  "borderRightStyle": "dotted",
+  "borderRightWidth": 6,
+  "borderTopLeftRadius": 10,
+  "borderTopRightRadius": "1rem",
+  "left": 1,
+  "marginLeft": 7,
+  "marginRight": 8,
+  "paddingLeft": 9,
+  "paddingRight": 10,
+  "right": 2,
+  "textAlign": "left",
+  "textShadowOffset": Object {
+    "height": 10,
+    "width": "1rem",
+  },
+  "writingDirection": "ltr",
+}
+`;
+
+exports[`apis/StyleSheet/i18nStyle RTL mode does auto-flip 1`] = `
+Object {
+  "borderBottomLeftRadius": "2rem",
+  "borderBottomRightRadius": 20,
+  "borderLeftColor": "blue",
+  "borderLeftStyle": "dotted",
+  "borderLeftWidth": 6,
+  "borderRightColor": "red",
+  "borderRightStyle": "solid",
+  "borderRightWidth": 5,
+  "borderTopLeftRadius": "1rem",
+  "borderTopRightRadius": 10,
+  "left": 2,
+  "marginLeft": 8,
+  "marginRight": 7,
+  "paddingLeft": 10,
+  "paddingRight": 9,
+  "right": 1,
+  "textAlign": "right",
+  "textShadowOffset": Object {
+    "height": 10,
+    "width": "-1rem",
+  },
+  "writingDirection": "rtl",
+}
+`;
+
+exports[`apis/StyleSheet/i18nStyle RTL mode normalizes properties 1`] = `
+Object {
+  "borderBottomLeftRadius": 20,
+  "borderBottomRightRadius": "2rem",
+  "borderLeftColor": "red",
+  "borderLeftStyle": "solid",
+  "borderLeftWidth": 5,
+  "borderRightColor": "blue",
+  "borderRightStyle": "dotted",
+  "borderRightWidth": 6,
+  "borderTopLeftRadius": 10,
+  "borderTopRightRadius": "1rem",
+  "left": 1,
+  "marginLeft": 7,
+  "marginRight": 8,
+  "paddingLeft": 9,
+  "paddingRight": 10,
+  "right": 2,
+  "textAlign": "left",
+  "textShadowOffset": Object {
+    "height": 10,
+    "width": "-1rem",
+  },
+  "writingDirection": "ltr",
+}
+`;

src/apis/StyleSheet/__tests__/__snapshots__/index-test.js.snap

@@ -0,0 +1,14 @@
+exports[`apis/StyleSheet renderToString 1`] = `
+"<style id=\"react-native-stylesheet\">
+.rn-borderTopColor\\:red{border-top-color:red}
+.rn-borderRightColor\\:red{border-right-color:red}
+.rn-borderBottomColor\\:red{border-bottom-color:red}
+.rn-borderLeftColor\\:red{border-left-color:red}
+.rn-borderTopWidth\\:0px{border-top-width:0px}
+.rn-borderRightWidth\\:0px{border-right-width:0px}
+.rn-borderBottomWidth\\:0px{border-bottom-width:0px}
+.rn-borderLeftWidth\\:0px{border-left-width:0px}
+.rn-left\\:50px{left:50px}
+.rn-position\\:absolute{position:absolute}
+</style>"
+`;

src/apis/StyleSheet/__tests__/__snapshots__/registry-test.js.snap

@@ -0,0 +1,179 @@
+exports[`apis/StyleSheet/registry resolve with register, resolves to className 1`] = `
+Object {
+  "className": "
+rn-borderTopColor:red
+rn-borderRightColor:red
+rn-borderBottomColor:red
+rn-borderLeftColor:red
+rn-borderTopWidth:0px
+rn-borderRightWidth:0px
+rn-borderBottomWidth:0px
+rn-borderLeftWidth:0px
+rn-left:50px
+rn-pointerEvents:box-only
+rn-position:absolute
+rn-width:100px",
+  "style": Object {},
+}
+`;
+
+exports[`apis/StyleSheet/registry resolve with register, resolves to className 2`] = `
+Object {
+  "className": "
+rn-borderTopColor:red
+rn-borderRightColor:red
+rn-borderBottomColor:red
+rn-borderLeftColor:red
+rn-borderTopWidth:0px
+rn-borderRightWidth:0px
+rn-borderBottomWidth:0px
+rn-borderLeftWidth:0px
+rn-left:50px
+rn-pointerEvents:box-only
+rn-position:absolute
+rn-width:200px",
+  "style": Object {},
+}
+`;
+
+exports[`apis/StyleSheet/registry resolve with register, resolves to className 3`] = `
+Object {
+  "className": "
+rn-borderTopColor:red
+rn-borderRightColor:red
+rn-borderBottomColor:red
+rn-borderLeftColor:red
+rn-borderTopWidth:0px
+rn-borderRightWidth:0px
+rn-borderBottomWidth:0px
+rn-borderLeftWidth:0px
+rn-left:50px
+rn-pointerEvents:box-only
+rn-position:absolute
+rn-width:100px",
+  "style": Object {},
+}
+`;
+
+exports[`apis/StyleSheet/registry resolve with register, resolves to mixed 1`] = `
+Object {
+  "className": "
+rn-left:50px
+rn-pointerEvents:box-only
+rn-position:absolute",
+  "style": Object {
+    "borderBottomColor": "red",
+    "borderBottomWidth": "0px",
+    "borderLeftColor": "red",
+    "borderLeftWidth": "0px",
+    "borderRightColor": "red",
+    "borderRightWidth": "0px",
+    "borderTopColor": "red",
+    "borderTopWidth": "0px",
+    "width": "100px",
+  },
+}
+`;
+
+exports[`apis/StyleSheet/registry resolve with register, resolves to mixed 2`] = `
+Object {
+  "className": "
+rn-left:50px
+rn-pointerEvents:box-only
+rn-position:absolute
+rn-width:200px",
+  "style": Object {
+    "borderBottomColor": "red",
+    "borderBottomWidth": "0px",
+    "borderLeftColor": "red",
+    "borderLeftWidth": "0px",
+    "borderRightColor": "red",
+    "borderRightWidth": "0px",
+    "borderTopColor": "red",
+    "borderTopWidth": "0px",
+  },
+}
+`;
+
+exports[`apis/StyleSheet/registry resolve with register, resolves to mixed 3`] = `
+Object {
+  "className": "
+rn-left:50px
+rn-pointerEvents:box-only
+rn-position:absolute",
+  "style": Object {
+    "borderBottomColor": "red",
+    "borderBottomWidth": "0px",
+    "borderLeftColor": "red",
+    "borderLeftWidth": "0px",
+    "borderRightColor": "red",
+    "borderRightWidth": "0px",
+    "borderTopColor": "red",
+    "borderTopWidth": "0px",
+    "width": "100px",
+  },
+}
+`;
+
+exports[`apis/StyleSheet/registry resolve without register, resolves to inline styles 1`] = `
+Object {
+  "className": "
+",
+  "style": Object {
+    "borderBottomColor": "red",
+    "borderBottomWidth": "0px",
+    "borderLeftColor": "red",
+    "borderLeftWidth": "0px",
+    "borderRightColor": "red",
+    "borderRightWidth": "0px",
+    "borderTopColor": "red",
+    "borderTopWidth": "0px",
+    "left": "50px",
+    "pointerEvents": "box-only",
+    "position": "absolute",
+    "width": "100px",
+  },
+}
+`;
+
+exports[`apis/StyleSheet/registry resolve without register, resolves to inline styles 2`] = `
+Object {
+  "className": "
+",
+  "style": Object {
+    "borderBottomColor": "red",
+    "borderBottomWidth": "0px",
+    "borderLeftColor": "red",
+    "borderLeftWidth": "0px",
+    "borderRightColor": "red",
+    "borderRightWidth": "0px",
+    "borderTopColor": "red",
+    "borderTopWidth": "0px",
+    "left": "50px",
+    "pointerEvents": "box-only",
+    "position": "absolute",
+    "width": "200px",
+  },
+}
+`;
+
+exports[`apis/StyleSheet/registry resolve without register, resolves to inline styles 3`] = `
+Object {
+  "className": "
+",
+  "style": Object {
+    "borderBottomColor": "red",
+    "borderBottomWidth": "0px",
+    "borderLeftColor": "red",
+    "borderLeftWidth": "0px",
+    "borderRightColor": "red",
+    "borderRightWidth": "0px",
+    "borderTopColor": "red",
+    "borderTopWidth": "0px",
+    "left": "50px",
+    "pointerEvents": "box-only",
+    "position": "absolute",
+    "width": "100px",
+  },
+}
+`;

src/apis/StyleSheet/__tests__/createReactDOMStyle-test.js

@@ -0,0 +1,28 @@
+/* eslint-env jasmine, jest */
+
+import createReactDOMStyle from '../createReactDOMStyle';
+
+const reactNativeStyle = {
+  boxShadow: '1px 1px 1px 1px #000',
+  borderWidthLeft: 2,
+  borderWidth: 1,
+  borderWidthRight: 3,
+  display: 'flex',
+  marginVertical: 0,
+  opacity: 0,
+  shadowColor: 'red',
+  shadowOffset: { width: 1, height: 2 },
+  resizeMode: 'contain'
+};
+
+describe('apis/StyleSheet/createReactDOMStyle', () => {
+  test('converts ReactNative style to ReactDOM style', () => {
+    expect(createReactDOMStyle(reactNativeStyle)).toMatchSnapshot();
+  });
+
+  test('noop on DOM styles', () => {
+    const firstStyle = createReactDOMStyle(reactNativeStyle);
+    const secondStyle = createReactDOMStyle(firstStyle);
+    expect(firstStyle).toEqual(secondStyle);
+  });
+});

src/apis/StyleSheet/__tests__/createReactStyleObject-test.js

@@ -1,13 +0,0 @@
-/* eslint-env mocha */
-
-import assert from 'assert';
-import createReactStyleObject from '../createReactStyleObject';
-
-suite('apis/StyleSheet/createReactStyleObject', () => {
-  test('converts ReactNative style to ReactDOM style', () => {
-    const reactNativeStyle = { display: 'flex', marginVertical: 0, opacity: 0 };
-    const expectedStyle = { display: 'flex', marginTop: '0px', marginBottom: '0px', opacity: 0 };
-
-    assert.deepEqual(createReactStyleObject(reactNativeStyle), expectedStyle);
-  });
-});

src/apis/StyleSheet/__tests__/expandStyle-test.js

@@ -1,11 +1,10 @@
-/* eslint-env mocha */
+/* eslint-env jasmine, jest */
 
-import assert from 'assert';
 import expandStyle from '../expandStyle';
 
-suite('apis/StyleSheet/expandStyle', () => {
+describe('apis/StyleSheet/expandStyle', () => {
   test('shortform -> longform', () => {
-    const initial = {
+    const style = {
       borderStyle: 'solid',
       boxSizing: 'border-box',
       borderBottomColor: 'white',
@@ -16,24 +15,7 @@ suite('apis/StyleSheet/expandStyle', () => {
       margin: 10
     };
 
-    const expected = {
-      borderBottomStyle: 'solid',
-      borderLeftStyle: 'solid',
-      borderRightStyle: 'solid',
-      boxSizing: 'border-box',
-      borderBottomColor: 'white',
-      borderTopStyle: 'solid',
-      borderTopWidth: '0px',
-      borderLeftWidth: '0px',
-      borderRightWidth: '0px',
-      borderBottomWidth: '1px',
-      marginTop: '50px',
-      marginBottom: '25px',
-      marginLeft: '10px',
-      marginRight: '10px'
-    };
-
-    assert.deepEqual(expandStyle(initial), expected);
+    expect(expandStyle(style)).toMatchSnapshot();
   });
 
   test('textAlignVertical', () => {
@@ -45,7 +27,7 @@ suite('apis/StyleSheet/expandStyle', () => {
       verticalAlign: 'middle'
     };
 
-    assert.deepEqual(expandStyle(initial), expected);
+    expect(expandStyle(initial)).toEqual(expected);
   });
 
   test('flex', () => {
@@ -61,6 +43,6 @@ suite('apis/StyleSheet/expandStyle', () => {
       flexBasis: 'auto'
     };
 
-    assert.deepEqual(expandStyle(initial), expected);
+    expect(expandStyle(initial)).toEqual(expected);
   });
 });

src/apis/StyleSheet/__tests__/flattenStyle-test.js

@@ -0,0 +1,52 @@
+/* eslint-env jasmine, jest */
+
+/**
+ * Copyright (c) 2015-present, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ */
+
+import flattenStyle from '../flattenStyle';
+
+describe('apis/StyleSheet/flattenStyle', () => {
+  test('should merge style objects', () => {
+    const style = flattenStyle([
+      { opacity: 1 },
+      { order: 2 }
+    ]);
+    expect(style).toMatchSnapshot();
+  });
+
+  test('should override style properties', () => {
+    const style = flattenStyle([
+      { backgroundColor: '#000', order: 1 },
+      { backgroundColor: '#023c69', order: null }
+    ]);
+    expect(style).toMatchSnapshot();
+  });
+
+  test('should overwrite properties with `undefined`', () => {
+    const style = flattenStyle([
+      { backgroundColor: '#000' },
+      { backgroundColor: undefined }
+    ]);
+    expect(style).toMatchSnapshot();
+  });
+
+  test('should not fail on falsy values', () => {
+    expect(() => flattenStyle([ null, false, undefined ])).not.toThrow();
+  });
+
+  test('should recursively flatten arrays', () => {
+    const style = flattenStyle([
+      null,
+      [],
+      [ { order: 2 }, { opacity: 1 } ],
+      { order: 3 }
+    ]);
+    expect(style).toMatchSnapshot();
+  });
+});

src/apis/StyleSheet/__tests__/generateCss-test.js

@@ -0,0 +1,16 @@
+/* eslint-env jasmine, jest */
+
+import generateCss from '../generateCss';
+
+describe('apis/StyleSheet/generateCss', () => {
+  test('generates correct css', () => {
+    const style = {
+      boxShadow: '1px 1px 1px 1px #000',
+      borderWidthLeft: 2,
+      borderWidthRight: 3,
+      position: 'absolute',
+      transitionDuration: '0.1s'
+    };
+    expect(generateCss(style)).toMatchSnapshot();
+  });
+});

src/apis/StyleSheet/__tests__/i18nStyle-test.js

@@ -1,10 +1,9 @@
-/* eslint-env mocha */
+/* eslint-env jasmine, jest */
 
-import assert from 'assert';
 import I18nManager from '../../I18nManager';
 import i18nStyle from '../i18nStyle';
 
-const initial = {
+const style = {
   borderLeftColor: 'red',
   borderRightColor: 'blue',
   borderTopLeftRadius: 10,
@@ -26,66 +25,44 @@ const initial = {
   writingDirection: 'ltr'
 };
 
-const initialNoI18n = Object.keys(initial).reduce((acc, prop) => {
+const styleNoI18n = Object.keys(style).reduce((acc, prop) => {
   const newProp = `${prop}$noI18n`;
-  acc[newProp] = initial[prop];
+  acc[newProp] = style[prop];
   return acc;
 }, {});
 
-const expected = {
-  borderLeftColor: 'blue',
-  borderRightColor: 'red',
-  borderTopLeftRadius: '1rem',
-  borderTopRightRadius: 10,
-  borderBottomLeftRadius: '2rem',
-  borderBottomRightRadius: 20,
-  borderLeftStyle: 'dotted',
-  borderRightStyle: 'solid',
-  borderLeftWidth: 6,
-  borderRightWidth: 5,
-  left: 2,
-  marginLeft: 8,
-  marginRight: 7,
-  paddingLeft: 10,
-  paddingRight: 9,
-  right: 1,
-  textAlign: 'right',
-  textShadowOffset: { width: '-1rem', height: 10 },
-  writingDirection: 'rtl'
-};
-
-suite('apis/StyleSheet/i18nStyle', () => {
-  suite('LTR mode', () => {
-    setup(() => {
+describe('apis/StyleSheet/i18nStyle', () => {
+  describe('LTR mode', () => {
+    beforeEach(() => {
       I18nManager.allowRTL(false);
     });
 
-    teardown(() => {
+    afterEach(() => {
       I18nManager.allowRTL(true);
     });
 
     test('does not auto-flip', () => {
-      assert.deepEqual(i18nStyle(initial), initial);
+      expect(i18nStyle(style)).toMatchSnapshot();
     });
     test('normalizes properties', () => {
-      assert.deepEqual(i18nStyle(initialNoI18n), initial);
+      expect(i18nStyle(styleNoI18n)).toMatchSnapshot();
     });
   });
 
-  suite('RTL mode', () => {
-    setup(() => {
+  describe('RTL mode', () => {
+    beforeEach(() => {
       I18nManager.forceRTL(true);
     });
 
-    teardown(() => {
+    afterEach(() => {
       I18nManager.forceRTL(false);
     });
 
     test('does auto-flip', () => {
-      assert.deepEqual(i18nStyle(initial), expected);
+      expect(i18nStyle(style)).toMatchSnapshot();
     });
     test('normalizes properties', () => {
-      assert.deepEqual(i18nStyle(initialNoI18n), initial);
+      expect(i18nStyle(styleNoI18n)).toMatchSnapshot();
     });
   });
 });

src/apis/StyleSheet/__tests__/index-test.js

@@ -1,71 +1,58 @@
-/* eslint-env mocha */
+/* eslint-env jasmine, jest */
 
-import assert from 'assert';
-import { getDefaultStyleSheet } from '../css';
-import isPlainObject from 'lodash/isPlainObject';
 import StyleSheet from '..';
+import StyleRegistry from '../registry';
 
-suite('apis/StyleSheet', () => {
-  setup(() => {
-    StyleSheet._reset();
+const isPlainObject = (x) => {
+  const toString = Object.prototype.toString;
+  let proto;
+  /* eslint-disable */
+  return (
+    toString.call(x) === '[object Object]' &&
+    (proto = Object.getPrototypeOf(x), proto === null || proto === Object.getPrototypeOf({}))
+  );
+  /* eslint-enable */
+};
+
+describe('apis/StyleSheet', () => {
+  beforeEach(() => {
+    StyleRegistry.reset();
   });
 
   test('absoluteFill', () => {
-    assert(Number.isInteger(StyleSheet.absoluteFill) === true);
+    expect(Number.isInteger(StyleSheet.absoluteFill) === true).toBeTruthy();
   });
 
   test('absoluteFillObject', () => {
-    assert.ok(isPlainObject(StyleSheet.absoluteFillObject) === true);
+    expect(isPlainObject(StyleSheet.absoluteFillObject) === true).toBeTruthy();
   });
 
-  suite('create', () => {
+  describe('create', () => {
     test('replaces styles with numbers', () => {
       const style = StyleSheet.create({ root: { opacity: 1 } });
-      assert(Number.isInteger(style.root) === true);
-    });
-
-    test('renders a style sheet in the browser', () => {
-      StyleSheet.create({ root: { color: 'red' } });
-      assert.equal(
-        document.getElementById('__react-native-style').textContent,
-        getDefaultStyleSheet()
-      );
+      expect(Number.isInteger(style.root) === true).toBeTruthy();
     });
   });
 
   test('flatten', () => {
-    assert(typeof StyleSheet.flatten === 'function');
+    expect(typeof StyleSheet.flatten === 'function').toBeTruthy();
   });
 
   test('hairlineWidth', () => {
-    assert(Number.isInteger(StyleSheet.hairlineWidth) === true);
+    expect(Number.isInteger(StyleSheet.hairlineWidth) === true).toBeTruthy();
   });
 
-  test('render', () => {
-    assert.equal(
-      StyleSheet.render().props.dangerouslySetInnerHTML.__html,
-      getDefaultStyleSheet()
-    );
-  });
-
-  test('resolve', () => {
-    assert.deepEqual(
-      StyleSheet.resolve({
-        className: 'test',
-        style: {
-          display: 'flex',
-          opacity: 1,
-          pointerEvents: 'box-none'
-        }
-      }),
-      {
-        className: 'test __style_df __style_pebn',
-        style: {
-          display: null,
-          opacity: 1,
-          pointerEvents: null
-        }
+  test('renderToString', () => {
+    StyleSheet.create({
+      a: {
+        borderWidth: 0,
+        borderColor: 'red'
+      },
+      b: {
+        position: 'absolute',
+        left: 50
       }
-    );
+    });
+    expect(StyleSheet.renderToString()).toMatchSnapshot();
   });
 });

src/apis/StyleSheet/__tests__/injector.js

@@ -0,0 +1,22 @@
+/* eslint-env jasmine, jest */
+
+import injector from '../injector';
+
+describe('apis/StyleSheet/injector', () => {
+  beforeEach(() => {
+    document.head.insertAdjacentHTML('afterbegin', `
+      <style id="react-native-stylesheet">
+        .rn-alignItems\\:stretch{align-items:stretch;}
+        .rn-position\\:top{position:top;}
+      </style>
+    `);
+  });
+
+  test('hydrates from SSR', () => {
+    const classList = injector.getClassNames();
+    expect(classList).toEqual({
+      'rn-alignItems\\:stretch': true,
+      'rn-position\\:top': true
+    });
+  });
+});

src/apis/StyleSheet/__tests__/normalizeValue-test.js

@@ -1,14 +1,13 @@
-/* eslint-env mocha */
+/* eslint-env jasmine, jest */
 
-import assert from 'assert';
 import normalizeValue from '../normalizeValue';
 
-suite('apis/StyleSheet/normalizeValue', () => {
+describe('apis/StyleSheet/normalizeValue', () => {
   test('normalizes property values requiring units', () => {
-    assert.deepEqual(normalizeValue('margin', 0), '0px');
+    expect(normalizeValue('margin', 0)).toEqual('0px');
   });
   test('ignores unitless property values', () => {
-    assert.deepEqual(normalizeValue('flexGrow', 1), 1);
-    assert.deepEqual(normalizeValue('scale', 2), 2);
+    expect(normalizeValue('flexGrow', 1)).toEqual(1);
+    expect(normalizeValue('scale', 2)).toEqual(2);
   });
 });

src/apis/StyleSheet/__tests__/prefixInlineStyles-test.js

@@ -0,0 +1,13 @@
+/* eslint-env jasmine, jest */
+
+import prefixInlineStyles from '../prefixInlineStyles';
+
+describe('apis/StyleSheet/prefixInlineStyles', () => {
+  test('handles array values', () => {
+    const style = {
+      display: [ '-webkit-flex', 'flex' ]
+    };
+
+    expect(prefixInlineStyles(style)).toEqual({ display: 'flex' });
+  });
+});

src/apis/StyleSheet/__tests__/processTextShadow-test.js

@@ -1,24 +0,0 @@
-/* eslint-env mocha */
-
-import assert from 'assert';
-import processTextShadow from '../processTextShadow';
-
-suite('apis/StyleSheet/processTextShadow', () => {
-  test('textShadowOffset', () => {
-    const style = {
-      textShadowColor: 'red',
-      textShadowOffset: { width: 2, height: 2 },
-      textShadowRadius: 5
-    };
-
-    assert.deepEqual(
-      processTextShadow(style),
-      {
-        textShadow: '2px 2px 5px red',
-        textShadowColor: null,
-        textShadowOffset: null,
-        textShadowRadius: null
-      }
-    );
-  });
-});

src/apis/StyleSheet/__tests__/processTransform-test.js

@@ -1,35 +0,0 @@
-/* eslint-env mocha */
-
-import assert from 'assert';
-import processTransform from '../processTransform';
-
-suite('apis/StyleSheet/processTransform', () => {
-  test('transform', () => {
-    const style = {
-      transform: [
-        { scaleX: 20 },
-        { translateX: 20 },
-        { rotate: '20deg' }
-      ]
-    };
-
-    assert.deepEqual(
-      processTransform(style),
-      { transform: 'scaleX(20) translateX(20px) rotate(20deg)' }
-    );
-  });
-
-  test('transformMatrix', () => {
-    const style = {
-      transformMatrix: [ 1, 2, 3, 4, 5, 6 ]
-    };
-
-    assert.deepEqual(
-      processTransform(style),
-      {
-        transform: 'matrix3d(1,2,3,4,5,6)',
-        transformMatrix: null
-      }
-    );
-  });
-});

src/apis/StyleSheet/__tests__/processVendorPrefixes-test.js

@@ -1,17 +0,0 @@
-/* eslint-env mocha */
-
-import assert from 'assert';
-import processVendorPrefixes from '../processVendorPrefixes';
-
-suite('apis/StyleSheet/processVendorPrefixes', () => {
-  test('handles array values', () => {
-    const style = {
-      display: [ '-webkit-flex', 'flex' ]
-    };
-
-    assert.deepEqual(
-      processVendorPrefixes(style),
-      { display: 'flex' }
-    );
-  });
-});

src/apis/StyleSheet/__tests__/registry-test.js

@@ -0,0 +1,54 @@
+/* eslint-env jasmine, jest */
+
+import StyleRegistry from '../registry';
+
+describe('apis/StyleSheet/registry', () => {
+  beforeEach(() => {
+    StyleRegistry.reset();
+  });
+
+  test('register', () => {
+    const style = { opacity: 0 };
+    const id = StyleRegistry.register(style);
+    expect(typeof id === 'number').toBe(true);
+  });
+
+  describe('resolve', () => {
+    const styleA = { borderWidth: 0, borderColor: 'red', width: 100 };
+    const styleB = { position: 'absolute', left: 50, pointerEvents: 'box-only' };
+    const styleC = { width: 200 };
+
+    const testResolve = (a, b, c) => {
+      // no common properties, different resolving order, same result
+      const resolve1 = StyleRegistry.resolve([ a, b ]);
+      expect(resolve1).toMatchSnapshot();
+      const resolve2 = StyleRegistry.resolve([ b, a ]);
+      expect(resolve1).toEqual(resolve2);
+
+      // common properties, different resolving order, different result
+      const resolve3 = StyleRegistry.resolve([ a, b, c ]);
+      expect(resolve3).toMatchSnapshot();
+      const resolve4 = StyleRegistry.resolve([ c, a, b ]);
+      expect(resolve4).toMatchSnapshot();
+      expect(resolve3).not.toEqual(resolve4);
+    };
+
+    test('with register, resolves to className', () => {
+      const a = StyleRegistry.register(styleA);
+      const b = StyleRegistry.register(styleB);
+      const c = StyleRegistry.register(styleC);
+      testResolve(a, b, c);
+    });
+
+    test('with register, resolves to mixed', () => {
+      const a = styleA;
+      const b = StyleRegistry.register(styleB);
+      const c = StyleRegistry.register(styleC);
+      testResolve(a, b, c);
+    });
+
+    test('without register, resolves to inline styles', () => {
+      testResolve(styleA, styleB, styleC);
+    });
+  });
+});

src/apis/StyleSheet/__tests__/resolveBoxShadow-test.js

@@ -0,0 +1,60 @@
+/* eslint-env jasmine, jest */
+
+import resolveBoxShadow from '../resolveBoxShadow';
+
+describe('apis/StyleSheet/resolveBoxShadow', () => {
+  test('shadowColor only', () => {
+    const resolvedStyle = {};
+    const style = { shadowColor: 'red' };
+    resolveBoxShadow(resolvedStyle, style);
+
+    expect(resolvedStyle).toEqual({
+      boxShadow: '0px 0px 0px rgba(255,0,0,1)'
+    });
+  });
+
+  test('shadowColor and shadowOpacity only', () => {
+    const resolvedStyle = {};
+    const style = { shadowColor: 'red', shadowOpacity: 0.5 };
+    resolveBoxShadow(resolvedStyle, style);
+
+    expect(resolvedStyle).toEqual({
+      boxShadow: '0px 0px 0px rgba(255,0,0,0.5)'
+    });
+  });
+
+  test('shadowOffset only', () => {
+    const resolvedStyle = {};
+    const style = { shadowOffset: { width: 1, height: 2 } };
+    resolveBoxShadow(resolvedStyle, style);
+
+    expect(resolvedStyle).toEqual({
+      boxShadow: '1px 2px 0px rgba(0,0,0,0)'
+    });
+  });
+
+  test('shadowRadius only', () => {
+    const resolvedStyle = {};
+    const style = { shadowRadius: 5 };
+    resolveBoxShadow(resolvedStyle, style);
+
+    expect(resolvedStyle).toEqual({
+      boxShadow: '0px 0px 5px rgba(0,0,0,0)'
+    });
+  });
+
+  test('shadowOffset, shadowRadius, shadowColor', () => {
+    const resolvedStyle = {};
+    const style = {
+      shadowColor: 'rgba(50,60,70,0.5)',
+      shadowOffset: { width: 1, height: 2 },
+      shadowOpacity: 0.5,
+      shadowRadius: 3
+    };
+    resolveBoxShadow(resolvedStyle, style);
+
+    expect(resolvedStyle).toEqual({
+      boxShadow: '1px 2px 3px rgba(50,60,70,0.25)'
+    });
+  });
+});

src/apis/StyleSheet/__tests__/resolveTextShadow-test.js

@@ -0,0 +1,19 @@
+/* eslint-env jasmine, jest */
+
+import resolveTextShadow from '../resolveTextShadow';
+
+describe('apis/StyleSheet/resolveTextShadow', () => {
+  test('textShadowOffset', () => {
+    const resolvedStyle = {};
+    const style = {
+      textShadowColor: 'red',
+      textShadowOffset: { width: 1, height: 2 },
+      textShadowRadius: 5
+    };
+    resolveTextShadow(resolvedStyle, style);
+
+    expect(resolvedStyle).toEqual({
+      textShadow: '1px 2px 5px red'
+    });
+  });
+});

src/apis/StyleSheet/__tests__/resolveTransform-test.js

@@ -0,0 +1,31 @@
+/* eslint-env jasmine, jest */
+
+import resolveTransform from '../resolveTransform';
+
+describe('apis/StyleSheet/resolveTransform', () => {
+  test('transform', () => {
+    const resolvedStyle = {};
+    const style = {
+      transform: [
+        { scaleX: 20 },
+        { translateX: 20 },
+        { rotate: '20deg' }
+      ]
+    };
+    resolveTransform(resolvedStyle, style);
+
+    expect(resolvedStyle).toEqual({
+      transform: 'scaleX(20) translateX(20px) rotate(20deg)'
+    });
+  });
+
+  test('transformMatrix', () => {
+    const resolvedStyle = {};
+    const style = { transformMatrix: [ 1, 2, 3, 4, 5, 6 ] };
+    resolveTransform(resolvedStyle, style);
+
+    expect(resolvedStyle).toEqual({
+      transform: 'matrix3d(1,2,3,4,5,6)'
+    });
+  });
+});

src/apis/StyleSheet/createReactDOMStyle.js

@@ -0,0 +1,6 @@
+import expandStyle from './expandStyle';
+import i18nStyle from './i18nStyle';
+
+const createReactDOMStyle = (flattenedReactNativeStyle) => expandStyle(i18nStyle(flattenedReactNativeStyle));
+
+module.exports = createReactDOMStyle;

src/apis/StyleSheet/createReactStyleObject.js

@@ -1,20 +0,0 @@
-import expandStyle from './expandStyle';
-import flattenStyle from '../../modules/flattenStyle';
-import i18nStyle from './i18nStyle';
-import processTextShadow from './processTextShadow';
-import processTransform from './processTransform';
-import processVendorPrefixes from './processVendorPrefixes';
-
-const processors = [
-  processTextShadow,
-  processTransform,
-  processVendorPrefixes
-];
-
-const applyProcessors = (style) => processors.reduce((style, processor) => processor(style), style);
-
-const createReactDOMStyleObject = (reactNativeStyle) => applyProcessors(
-  expandStyle(i18nStyle(flattenStyle(reactNativeStyle)))
-);
-
-module.exports = createReactDOMStyleObject;

src/apis/StyleSheet/css.js

@@ -1,42 +0,0 @@
-const DISPLAY_FLEX_CLASSNAME = '__style_df';
-const POINTER_EVENTS_AUTO_CLASSNAME = '__style_pea';
-const POINTER_EVENTS_BOX_NONE_CLASSNAME = '__style_pebn';
-const POINTER_EVENTS_BOX_ONLY_CLASSNAME = '__style_pebo';
-const POINTER_EVENTS_NONE_CLASSNAME = '__style_pen';
-
-/* eslint-disable max-len */
-const CSS_RESET =
-// reset unwanted styles
-'/* React Native */\n' +
-'html{font-family:sans-serif;-ms-text-size-adjust:100%;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:rgba(0,0,0,0)}\n' +
-'body{margin:0}\n' +
-'button::-moz-focus-inner,input::-moz-focus-inner{border:0;padding:0}\n' +
-'input::-webkit-inner-spin-button,input::-webkit-outer-spin-button,' +
-'input::-webkit-search-cancel-button,input::-webkit-search-decoration,' +
-'input::-webkit-search-results-button,input::-webkit-search-results-decoration{display:none}';
-
-const CSS_HELPERS =
-// vendor prefix 'display:flex' until React supports fallback values for inline styles
-`.${DISPLAY_FLEX_CLASSNAME} {display:-webkit-box;display:-moz-box;display:-ms-flexbox;display:-webkit-flex;display:flex}\n` +
-// implement React Native's pointer event values
-`.${POINTER_EVENTS_AUTO_CLASSNAME}, .${POINTER_EVENTS_BOX_ONLY_CLASSNAME}, .${POINTER_EVENTS_BOX_NONE_CLASSNAME} * {pointer-events:auto}\n` +
-`.${POINTER_EVENTS_NONE_CLASSNAME}, .${POINTER_EVENTS_BOX_ONLY_CLASSNAME} *, .${POINTER_EVENTS_NONE_CLASSNAME} {pointer-events:none}`;
-/* eslint-enable max-len */
-
-const styleAsClassName = {
-  display: {
-    'flex': DISPLAY_FLEX_CLASSNAME
-  },
-  pointerEvents: {
-    'auto': POINTER_EVENTS_AUTO_CLASSNAME,
-    'box-none': POINTER_EVENTS_BOX_NONE_CLASSNAME,
-    'box-only': POINTER_EVENTS_BOX_ONLY_CLASSNAME,
-    'none': POINTER_EVENTS_NONE_CLASSNAME
-  }
-};
-
-export const getDefaultStyleSheet = () => `${CSS_RESET}\n${CSS_HELPERS}`;
-
-export const getStyleAsHelperClassName = (prop, value) => {
-  return styleAsClassName[prop] && styleAsClassName[prop][value];
-};

src/apis/StyleSheet/expandStyle.js

@@ -10,6 +10,9 @@
  */
 
 import normalizeValue from './normalizeValue';
+import resolveBoxShadow from './resolveBoxShadow';
+import resolveTextShadow from './resolveTextShadow';
+import resolveTransform from './resolveTransform';
 
 const emptyObject = {};
 const styleShortFormProperties = {
@@ -28,46 +31,83 @@ const styleShortFormProperties = {
   writingDirection: [ 'direction' ]
 };
 
-const alphaSort = (arr) => arr.sort((a, b) => {
+const alphaSortProps = (propsArray) => propsArray.sort((a, b) => {
   if (a < b) { return -1; }
   if (a > b) { return 1; }
   return 0;
 });
 
-const createStyleReducer = (originalStyle) => {
-  const originalStyleProps = Object.keys(originalStyle);
+const expandStyle = (style) => {
+  if (!style) { return emptyObject; }
+  const styleProps = Object.keys(style);
+  const sortedStyleProps = alphaSortProps(styleProps);
+  let hasResolvedBoxShadow = false;
+  let hasResolvedTextShadow = false;
 
-  return (style, prop) => {
-    const value = normalizeValue(prop, originalStyle[prop]);
-    const longFormProperties = styleShortFormProperties[prop];
+  const reducer = (resolvedStyle, prop) => {
+    const value = normalizeValue(prop, style[prop]);
+    if (value == null) { return resolvedStyle; }
 
-    // React Native treats `flex:1` like `flex:1 1 auto`
-    if (prop === 'flex') {
-      style.flexGrow = value;
-      style.flexShrink = 1;
-      style.flexBasis = 'auto';
-    // React Native accepts 'center' as a value
-    } else if (prop === 'textAlignVertical') {
-      style.verticalAlign = (value === 'center' ? 'middle' : value);
-    } else if (longFormProperties) {
-      longFormProperties.forEach((longForm, i) => {
-        // the value of any longform property in the original styles takes
-        // precedence over the shortform's value
-        if (originalStyleProps.indexOf(longForm) === -1) {
-          style[longForm] = value;
+    switch (prop) {
+      // ignore React Native styles
+      case 'elevation':
+      case 'resizeMode': {
+        break;
+      }
+      case 'flex': {
+        resolvedStyle.flexGrow = value;
+        resolvedStyle.flexShrink = 1;
+        resolvedStyle.flexBasis = 'auto';
+        break;
+      }
+      case 'shadowColor':
+      case 'shadowOffset':
+      case 'shadowOpacity':
+      case 'shadowRadius': {
+        if (!hasResolvedBoxShadow) {
+          resolveBoxShadow(resolvedStyle, style);
         }
-      });
-    } else {
-      style[prop] = value;
+        hasResolvedBoxShadow = true;
+        break;
+      }
+      case 'textAlignVertical': {
+        resolvedStyle.verticalAlign = (value === 'center' ? 'middle' : value);
+        break;
+      }
+      case 'textShadowColor':
+      case 'textShadowOffset':
+      case 'textShadowRadius': {
+        if (!hasResolvedTextShadow) {
+          resolveTextShadow(resolvedStyle, style);
+        }
+        hasResolvedTextShadow = true;
+        break;
+      }
+      case 'transform': {
+        resolveTransform(resolvedStyle, style);
+        break;
+      }
+      default: {
+        const longFormProperties = styleShortFormProperties[prop];
+        if (longFormProperties) {
+          longFormProperties.forEach((longForm, i) => {
+            // the value of any longform property in the original styles takes
+            // precedence over the shortform's value
+            if (styleProps.indexOf(longForm) === -1) {
+              resolvedStyle[longForm] = value;
+            }
+          });
+        } else {
+          resolvedStyle[prop] = value;
+        }
+      }
     }
-    return style;
-  };
-};
 
-const expandStyle = (style = emptyObject) => {
-  const sortedStyleProps = alphaSort(Object.keys(style));
-  const styleReducer = createStyleReducer(style);
-  return sortedStyleProps.reduce(styleReducer, {});
+    return resolvedStyle;
+  };
+
+  const resolvedStyle = sortedStyleProps.reduce(reducer, {});
+  return resolvedStyle;
 };
 
 module.exports = expandStyle;

src/apis/StyleSheet/flattenStyle.js

@@ -1,4 +1,3 @@
-/* eslint-disable */
 /**
  * Copyright (c) 2015-present, Facebook, Inc.
  * All rights reserved.
@@ -10,10 +9,8 @@
  * @providesModule flattenStyle
  * @flow
  */
-'use strict';
-
-var ReactNativePropRegistry = require('../ReactNativePropRegistry');
-var invariant = require('fbjs/lib/invariant');
+import ReactNativePropRegistry from '../../modules/ReactNativePropRegistry';
+import invariant from 'fbjs/lib/invariant';
 
 function getStyle(style) {
   if (typeof style === 'number') {
@@ -22,22 +19,26 @@ function getStyle(style) {
   return style;
 }
 
-function flattenStyle(style: ?StyleObj): ?Object {
+function flattenStyle(style) {
   if (!style) {
     return undefined;
   }
-  invariant(style !== true, 'style may be false but not true');
+
+  if (process.env.NODE !== 'production') {
+    invariant(style !== true, 'style may be false but not true');
+  }
 
   if (!Array.isArray(style)) {
     return getStyle(style);
   }
 
-  var result = {};
-  for (var i = 0, styleLength = style.length; i < styleLength; ++i) {
-    var computedStyle = flattenStyle(style[i]);
+  const result = {};
+  for (let i = 0, styleLength = style.length; i < styleLength; ++i) {
+    const computedStyle = flattenStyle(style[i]);
     if (computedStyle) {
-      for (var key in computedStyle) {
-        result[key] = computedStyle[key];
+      for (const key in computedStyle) {
+        const value = computedStyle[key];
+        result[key] = value;
       }
     }
   }

src/apis/StyleSheet/generateCss.js

@@ -0,0 +1,23 @@
+import hyphenate from './hyphenate';
+import mapKeyValue from '../../modules/mapKeyValue';
+import normalizeValue from './normalizeValue';
+import prefixAll from 'inline-style-prefixer/static';
+
+const createDeclarationString = (prop, val) => {
+  const name = hyphenate(prop);
+  const value = normalizeValue(prop, val);
+  if (Array.isArray(val)) {
+    return val.map((v) => `${name}:${v}`).join(';');
+  }
+  return `${name}:${value}`;
+};
+
+/**
+ * Generates valid CSS rule body from a JS object
+ *
+ * generateCss({ width: 20, color: 'blue' });
+ * // => 'color:blue;width:20px'
+ */
+const generateCss = (style) => mapKeyValue(prefixAll(style), createDeclarationString).sort().join(';');
+
+module.exports = generateCss;

src/apis/StyleSheet/hyphenate.js

@@ -0,0 +1,3 @@
+const RE_1 = /([A-Z])/g;
+const RE_2 = /^ms-/;
+module.exports = (s) => s.replace(RE_1, '-$1').toLowerCase().replace(RE_2, '-ms-');

src/apis/StyleSheet/i18nStyle.js

@@ -1,6 +1,8 @@
 import I18nManager from '../I18nManager';
 import multiplyStyleLengthValue from '../../modules/multiplyStyleLengthValue';
 
+const emptyObject = {};
+
 /**
  * Map of property names to their BiDi equivalent.
  */
@@ -64,38 +66,40 @@ const swapLtrRtl = (value:String): String => {
   return value === 'ltr' ? 'rtl' : value === 'rtl' ? 'ltr' : value;
 };
 
-const i18nStyle = (style = {}) => {
+const i18nStyle = (style = emptyObject) => {
   const newStyle = {};
   for (const prop in style) {
-    if (style.hasOwnProperty(prop)) {
-      const indexOfNoFlip = prop.indexOf('$noI18n');
+    if (!Object.prototype.hasOwnProperty.call(style, prop)) {
+      continue;
+    }
 
-      if (I18nManager.isRTL) {
-        if (PROPERTIES_TO_SWAP[prop]) {
-          const newProp = flipProperty(prop);
-          newStyle[newProp] = style[prop];
-        } else if (PROPERTIES_SWAP_LEFT_RIGHT[prop]) {
-          newStyle[prop] = swapLeftRight(style[prop]);
-        } else if (PROPERTIES_SWAP_LTR_RTL[prop]) {
-          newStyle[prop] = swapLtrRtl(style[prop]);
-        } else if (prop === 'textShadowOffset') {
-          newStyle[prop] = style[prop];
-          newStyle[prop].width = additiveInverse(style[prop].width);
-        } else if (prop === 'transform') {
-          newStyle[prop] = style[prop].map(flipTransform);
-        } else if (indexOfNoFlip > -1) {
-          const newProp = prop.substring(0, indexOfNoFlip);
-          newStyle[newProp] = style[prop];
-        } else {
-          newStyle[prop] = style[prop];
-        }
+    const indexOfNoFlip = prop.indexOf('$noI18n');
+
+    if (I18nManager.isRTL) {
+      if (PROPERTIES_TO_SWAP[prop]) {
+        const newProp = flipProperty(prop);
+        newStyle[newProp] = style[prop];
+      } else if (PROPERTIES_SWAP_LEFT_RIGHT[prop]) {
+        newStyle[prop] = swapLeftRight(style[prop]);
+      } else if (PROPERTIES_SWAP_LTR_RTL[prop]) {
+        newStyle[prop] = swapLtrRtl(style[prop]);
+      } else if (prop === 'textShadowOffset') {
+        newStyle[prop] = style[prop];
+        newStyle[prop].width = additiveInverse(style[prop].width);
+      } else if (prop === 'transform') {
+        newStyle[prop] = style[prop].map(flipTransform);
+      } else if (indexOfNoFlip > -1) {
+        const newProp = prop.substring(0, indexOfNoFlip);
+        newStyle[newProp] = style[prop];
       } else {
-        if (indexOfNoFlip > -1) {
-          const newProp = prop.substring(0, indexOfNoFlip);
-          newStyle[newProp] = style[prop];
-        } else {
-          newStyle[prop] = style[prop];
-        }
+        newStyle[prop] = style[prop];
+      }
+    } else {
+      if (indexOfNoFlip > -1) {
+        const newProp = prop.substring(0, indexOfNoFlip);
+        newStyle[newProp] = style[prop];
+      } else {
+        newStyle[prop] = style[prop];
       }
     }
   }

src/apis/StyleSheet/index.js

@@ -1,88 +1,26 @@
-import * as css from './css';
-import createReactStyleObject from './createReactStyleObject';
-import ExecutionEnvironment from 'fbjs/lib/ExecutionEnvironment';
-import flattenStyle from '../../modules/flattenStyle';
-import React from 'react';
-import ReactNativePropRegistry from '../../modules/ReactNativePropRegistry';
-import StyleSheetValidation from './StyleSheetValidation';
+import flattenStyle from './flattenStyle';
+import initialize from './initialize';
+import injector from './injector';
+import StyleRegistry from './registry';
 
-let styleElement;
-let shouldInsertStyleSheet = ExecutionEnvironment.canUseDOM;
-
-const STYLE_SHEET_ID = '__react-native-style';
+initialize();
 
 const absoluteFillObject = { position: 'absolute', left: 0, right: 0, top: 0, bottom: 0 };
 
-const defaultStyleSheet = css.getDefaultStyleSheet();
-
-const insertStyleSheet = () => {
-  // check if the server rendered the style sheet
-  styleElement = document.getElementById(STYLE_SHEET_ID);
-  // if not, inject the style sheet
-  if (!styleElement) {
-    document.head.insertAdjacentHTML(
-      'afterbegin',
-      `<style id="${STYLE_SHEET_ID}">${defaultStyleSheet}</style>`
-    );
-    shouldInsertStyleSheet = false;
-  }
-};
-
 module.exports = {
-  /**
-   * For testing
-   * @private
-   */
-  _reset() {
-    if (styleElement) {
-      document.head.removeChild(styleElement);
-      styleElement = null;
-      shouldInsertStyleSheet = true;
-    }
-  },
-
-  absoluteFill: ReactNativePropRegistry.register(absoluteFillObject),
-
+  absoluteFill: StyleRegistry.register(absoluteFillObject),
   absoluteFillObject,
-
   create(styles) {
-    if (shouldInsertStyleSheet) {
-      insertStyleSheet();
-    }
-
     const result = {};
-    for (const key in styles) {
-      StyleSheetValidation.validateStyle(key, styles);
-      result[key] = ReactNativePropRegistry.register(styles[key]);
-    }
+    Object.keys(styles).forEach((key) => {
+      if (process.env.NODE_ENV !== 'production') {
+        require('./StyleSheetValidation').validateStyle(key, styles);
+      }
+      result[key] = StyleRegistry.register(styles[key]);
+    });
     return result;
   },
-
   hairlineWidth: 1,
-
   flatten: flattenStyle,
-
-  /* @platform web */
-  render() {
-    return <style dangerouslySetInnerHTML={{ __html: defaultStyleSheet }} id={STYLE_SHEET_ID} />;
-  },
-
-  /**
-   * Accepts React props and converts style declarations to classNames when necessary
-   * @platform web
-   */
-  resolve(props) {
-    let className = props.className || '';
-    const style = createReactStyleObject(props.style);
-    for (const prop in style) {
-      const value = style[prop];
-      const replacementClassName = css.getStyleAsHelperClassName(prop, value);
-      if (replacementClassName) {
-        className += ` ${replacementClassName}`;
-        style[prop] = null;
-      }
-    }
-
-    return { className, style };
-  }
+  renderToString: injector.getStyleSheetHtml
 };

src/apis/StyleSheet/initialize.js

@@ -0,0 +1,39 @@
+import injector from './injector';
+import StyleRegistry from './registry';
+
+const initialize = () => {
+  injector.addRule(
+    'reset',
+    '/* React Native StyleSheet*/\n' +
+    'html{' +
+      'font-family:sans-serif;-ms-text-size-adjust:100%;-webkit-text-size-adjust:100%;' +
+      '-webkit-tap-highlight-color:rgba(0,0,0,0)' +
+    '}\n' +
+    'body{margin:0}\n' +
+    'button::-moz-focus-inner,input::-moz-focus-inner{border:0;padding:0}\n' +
+    'input::-webkit-inner-spin-button,input::-webkit-outer-spin-button,' +
+    'input::-webkit-search-cancel-button,input::-webkit-search-decoration,' +
+    'input::-webkit-search-results-button,input::-webkit-search-results-decoration{display:none}'
+  );
+  injector.addRule(
+    'keyframes',
+    '@keyframes rn-ActivityIndicator-animation{' +
+      '0%{-webkit-transform: rotate(0deg); transform: rotate(0deg);}' +
+      '100%{-webkit-transform: rotate(360deg); transform: rotate(360deg);}' +
+    '}\n' +
+    '@keyframes rn-ProgressBar-animation{' +
+      '0%{-webkit-transform: translateX(-100%); transform: translateX(-100%);}' +
+      '100%{-webkit-transform: translateX(400%); transform: translateX(400%);}' +
+    '}'
+  );
+  injector.addRule(
+    'pointer-events',
+    '.rn-pointerEvents\\:auto,.rn_pointerEvents\\:box-only,.rn-pointerEvents\\:box-none *{pointer-events:auto}' +
+    '.rn-pointerEvents\\:none,.rn_pointerEvents\\:box-only *,.rn-pointerEvents\\:box-none{pointer-events:none}'
+  );
+
+  const classNames = injector.getClassNames();
+  StyleRegistry.initialize(classNames);
+};
+
+export default initialize;

src/apis/StyleSheet/injector.js

@@ -0,0 +1,106 @@
+/**
+ * Based on
+ * https://github.com/lelandrichardson/react-primitives/blob/master/src/StyleSheet/injector.js
+ */
+
+import asap from 'asap';
+
+const emptyObject = {};
+const hasOwnProperty = Object.prototype.hasOwnProperty;
+
+const CLASSNAME_REXEP = /\.rn-([^{;\s]+)/g;
+const STYLE_ELEMENT_ID = 'react-native-stylesheet';
+
+let registry = {};
+let isDirty = false;
+
+/**
+ * Registers a rule and requests an update to the style sheet
+ */
+const addRule = (key, rule) => {
+  if (!registry[key]) {
+    registry[key] = rule;
+    isDirty = true;
+    if (global.document) {
+      asap(frame);
+    }
+  }
+};
+
+/**
+ * Returns a string of the registered rules
+ */
+const getStyleText = () => {
+  /* eslint prefer-template:0 */
+  let result = '\n';
+  for (const key in registry) {
+    if (hasOwnProperty.call(registry, key)) {
+      result += registry[key] + '\n';
+    }
+  }
+  return result;
+};
+
+/**
+ * Returns an HTML string for server rendering
+ */
+const getStyleSheetHtml = () => `<style id="${STYLE_ELEMENT_ID}">${getStyleText()}</style>`;
+
+const reset = () => { registry = {}; };
+
+/**
+ * Finds or injects the style sheet when in a browser environment
+ */
+let styleNode = null;
+const getStyleNode = () => {
+  if (global.document) {
+    if (!styleNode) {
+      // look for existing style sheet (could also be server-rendered)
+      styleNode = document.getElementById(STYLE_ELEMENT_ID);
+      if (!styleNode) {
+        // if there is no existing stylesheet, inject it style sheet
+        document.head.insertAdjacentHTML('afterbegin', getStyleSheetHtml());
+        styleNode = document.getElementById(STYLE_ELEMENT_ID);
+      }
+    }
+    return styleNode;
+  }
+};
+
+/**
+ * Determines which classes are available in the existing document. Doesn't
+ * rely on the registry so it can be used to read class names from a SSR style
+ * sheet.
+ */
+const getClassNames = () => {
+  const styleNode = getStyleNode();
+  if (styleNode) {
+    const text = styleNode.textContent;
+    const matches = text.match(CLASSNAME_REXEP);
+    if (matches) {
+      return matches.map((name) => name.slice(1)).reduce((classMap, className) => {
+        classMap[className] = true;
+        return classMap;
+      }, {});
+    }
+  }
+  return emptyObject;
+};
+
+const frame = () => {
+  if (!isDirty || !global.document) { return; }
+  isDirty = false;
+
+  const styleNode = getStyleNode();
+  if (styleNode) {
+    const css = getStyleText();
+    styleNode.textContent = css;
+  }
+};
+
+module.exports = {
+  addRule,
+  getClassNames,
+  getStyleSheetHtml,
+  reset
+};

src/apis/StyleSheet/normalizeValue.js

@@ -24,7 +24,9 @@ const unitlessNumbers = {
   scale: true,
   scaleX: true,
   scaleY: true,
-  scaleZ: true
+  scaleZ: true,
+  // RN properties
+  shadowOpacity: true
 };
 
 const normalizeValue = (property, value) => {

src/apis/StyleSheet/prefixInlineStyles.js

@@ -1,16 +1,18 @@
 import prefixAll from 'inline-style-prefixer/static';
 
-const processVendorPrefixes = (style) => {
+const prefixInlineStyles = (style) => {
   const prefixedStyles = prefixAll(style);
+
   // React@15 removed undocumented support for fallback values in
   // inline-styles. Revert array values to the standard CSS value
-  for (const prop in prefixedStyles) {
+  Object.keys(prefixedStyles).forEach((prop) => {
     const value = prefixedStyles[prop];
     if (Array.isArray(value)) {
       prefixedStyles[prop] = value[value.length - 1];
     }
-  }
+  });
+
   return prefixedStyles;
 };
 
-module.exports = processVendorPrefixes;
+module.exports = prefixInlineStyles;

src/apis/StyleSheet/processTextShadow.js

@@ -1,19 +0,0 @@
-import normalizeValue from './normalizeValue';
-
-const processTextShadow = (style) => {
-  if (style && style.textShadowOffset) {
-    const { height, width } = style.textShadowOffset;
-    const offsetX = normalizeValue(null, height || 0);
-    const offsetY = normalizeValue(null, width || 0);
-    const blurRadius = normalizeValue(null, style.textShadowRadius || 0);
-    const color = style.textShadowColor || 'currentcolor';
-
-    style.textShadow = `${offsetX} ${offsetY} ${blurRadius} ${color}`;
-    style.textShadowColor = null;
-    style.textShadowOffset = null;
-    style.textShadowRadius = null;
-  }
-  return style;
-};
-
-module.exports = processTextShadow;

src/apis/StyleSheet/registry.js

@@ -0,0 +1,215 @@
+/**
+ * WARNING: changes to this file in particular can cause significant changes to
+ * the results of render performance benchmarks.
+ */
+
+import createReactDOMStyle from './createReactDOMStyle';
+import flattenArray from '../../modules/flattenArray';
+import flattenStyle from './flattenStyle';
+import generateCss from './generateCss';
+import injector from './injector';
+import mapKeyValue from '../../modules/mapKeyValue';
+import prefixInlineStyles from './prefixInlineStyles';
+import ReactNativePropRegistry from '../../modules/ReactNativePropRegistry';
+
+const prefix = 'r';
+const SPACE_REGEXP = /\s/g;
+const ESCAPE_SELECTOR_CHARS_REGEXP = /[(),":?.%\\$#*]/g;
+
+/**
+ * Creates an HTML class name for use on elements
+ */
+const createClassName = (prop, value) => {
+  const val = `${value}`.replace(SPACE_REGEXP, '-');
+  return `rn-${prop}:${val}`;
+};
+
+/**
+ * Formatting improves debugging in devtools and snapshot
+ */
+const mapDeclarationsToClassName = (style, fn) => {
+  const result = mapKeyValue(style, fn).join('\n').trim();
+  return `\n${result}`;
+};
+
+/**
+ * Inject a CSS rule for a given declaration and record the availability of the
+ * resulting class name.
+ */
+let injectedClassNames = {};
+const injectClassNameIfNeeded = (prop, value) => {
+  const className = createClassName(prop, value);
+  if (!injectedClassNames[className]) {
+    // create a valid CSS selector for a given HTML class name
+    const selector = className.replace(ESCAPE_SELECTOR_CHARS_REGEXP, '\\$&');
+    const body = generateCss({ [prop]: value });
+    const css = `.${selector}{${body}}`;
+    // this adds the rule to the buffer to be injected into the document
+    injector.addRule(className, css);
+    injectedClassNames[className] = true;
+  }
+
+  return className;
+};
+
+/**
+ * Converts a React Native style object to HTML class names
+ */
+let resolvedPropsCache = {};
+const registerStyle = (id, flatStyle) => {
+  const style = createReactDOMStyle(flatStyle);
+  const className = mapDeclarationsToClassName(style, (prop, value) => {
+    if (value != null) {
+      return injectClassNameIfNeeded(prop, value);
+    }
+  });
+
+  const key = `${prefix}-${id}`;
+  resolvedPropsCache[key] = { className };
+
+  return id;
+};
+
+/**
+ * Resolves a React Native style object to DOM props
+ */
+const resolveProps = (reactNativeStyle) => {
+  const flatStyle = flattenStyle(reactNativeStyle);
+  const domStyle = createReactDOMStyle(flatStyle);
+  const style = {};
+
+  const className = mapDeclarationsToClassName(domStyle, (prop, value) => {
+    if (value != null) {
+      const singleClassName = createClassName(prop, value);
+      if (injectedClassNames[singleClassName]) {
+        return singleClassName;
+      } else {
+        // 4x slower render
+        style[prop] = value;
+      }
+    }
+  });
+
+  const props = {
+    className,
+    style: prefixInlineStyles(style)
+  };
+
+  if (process.env.__REACT_NATIVE_DEBUG_ENABLED__) {
+    console.groupCollapsed('[StyleSheet] resolving uncached styles');
+    console.log(
+      'Slow operation. Resolving style objects (uncached result). ' +
+      'Occurs on first render and when using styles not registered with "StyleSheet.create"'
+    );
+    console.log('source => \n', reactNativeStyle);
+    console.log('flatten => \n', flatStyle);
+    console.log('resolve => \n', props);
+    console.groupEnd();
+  }
+
+  return props;
+};
+
+/**
+ * Caching layer over 'resolveProps'
+ */
+const resolvePropsIfNeeded = (key, style) => {
+  if (key) {
+    if (!resolvedPropsCache[key]) {
+      // slow: convert style object to props and cache
+      resolvedPropsCache[key] = resolveProps(style);
+    }
+    return resolvedPropsCache[key];
+  }
+  return resolveProps(style);
+};
+
+/**
+ * Web style registry
+ */
+const StyleRegistry = {
+  initialize(classNames) {
+    injectedClassNames = classNames;
+
+    if (process.env.__REACT_NATIVE_DEBUG_ENABLED__) {
+      if (global.__REACT_NATIVE_DEBUG_ENABLED__styleRegistryTimer) {
+        clearInterval(global.__REACT_NATIVE_DEBUG_ENABLED__styleRegistryTimer);
+      }
+      global.__REACT_NATIVE_DEBUG_ENABLED__styleRegistryTimer = setInterval(() => {
+        const entryCount = Object.keys(resolvedPropsCache).length;
+        console.groupCollapsed('[StyleSheet] resolved props cache snapshot:', entryCount, 'entries');
+        console.log(resolvedPropsCache);
+        console.groupEnd();
+      }, 30000);
+    }
+  },
+
+  reset() {
+    injectedClassNames = {};
+    resolvedPropsCache = {};
+    injector.reset();
+  },
+
+  register(style) {
+    const id = ReactNativePropRegistry.register(style);
+    return registerStyle(id, style);
+  },
+
+  resolve(reactNativeStyle) {
+    if (!reactNativeStyle) {
+      return undefined;
+    }
+
+    // fast and cachable
+    if (typeof reactNativeStyle === 'number') {
+      const key = `${prefix}${reactNativeStyle}`;
+      return resolvePropsIfNeeded(key, reactNativeStyle);
+    }
+
+    // convert a RN style object to DOM props
+    if (!Array.isArray(reactNativeStyle)) {
+      return resolveProps(reactNativeStyle);
+    }
+
+    // flatten the array
+    // [ 1, [ 2, 3 ], { prop: value }, 4, 5 ] => [ 1, 2, 3, { prop: value }, 4, 5 ];
+    const flatArray = flattenArray(reactNativeStyle);
+
+    let isArrayOfNumbers = true;
+    for (let i = 0; i < flatArray.length; i++) {
+      if (typeof flatArray[i] !== 'number') {
+        isArrayOfNumbers = false;
+        break;
+      }
+    }
+
+    // TODO: determine when/if to cache unregistered styles. This produces 2x
+    // faster benchmark results for unregistered styles. However, the cache
+    // could be filled with props that are never used again.
+    //
+    // let hasValidKey = true;
+    // let key = flatArray.reduce((keyParts, element) => {
+    //   if (typeof element === 'number') {
+    //     keyParts.push(element);
+    //   } else {
+    //     if (element.transform) {
+    //       hasValidKey = false;
+    //     } else {
+    //       const objectAsKey = Object.keys(element).map((prop) => `${prop}:${element[prop]}`).join(';');
+    //       if (objectAsKey !== '') {
+    //         keyParts.push(objectAsKey);
+    //       }
+    //     }
+    //   }
+    //   return keyParts;
+    // }, [ prefix ]).join('-');
+    // if (!hasValidKey) { key = null; }
+
+    // cache resolved props when all styles are registered
+    const key = isArrayOfNumbers ? `${prefix}-${flatArray.join('-')}` : null;
+
+    return resolvePropsIfNeeded(key, flatArray);
+  }
+};
+
+module.exports = StyleRegistry;