Deploy v0.89

Reviewed By: jbrown215

Differential Revision: D13457087

fbshipit-source-id: 9f01371ae3515990c5595f1eb2361174050066b8

Libraries/Components/ActivityIndicator/ActivityIndicator.js

@@ -110,10 +110,12 @@ const ActivityIndicator = (
   );
 };
 
-// $FlowFixMe - TODO T29156721 `React.forwardRef` is not defined in Flow, yet.
 const ActivityIndicatorWithRef = React.forwardRef(ActivityIndicator);
 ActivityIndicatorWithRef.displayName = 'ActivityIndicator';
 
+/* $FlowFixMe(>=0.89.0 site=react_native_fb) This comment suppresses an error
+ * found when Flow v0.89 was deployed. To see the error, delete this comment
+ * and run Flow. */
 ActivityIndicatorWithRef.defaultProps = {
   animating: true,
   color: Platform.OS === 'ios' ? GRAY : null,
@@ -136,4 +138,7 @@ const styles = StyleSheet.create({
   },
 });
 
+/* $FlowFixMe(>=0.89.0 site=react_native_fb) This comment suppresses an error
+ * found when Flow v0.89 was deployed. To see the error, delete this comment
+ * and run Flow. */
 module.exports = (ActivityIndicatorWithRef: Class<NativeComponent<Props>>);

Libraries/Components/CheckBox/CheckBox.android.js

@@ -190,9 +190,11 @@ const styles = StyleSheet.create({
  */
 type CheckBoxType = Class<NativeComponent<Props>>;
 
-// $FlowFixMe - TODO T29156721 `React.forwardRef` is not defined in Flow, yet.
 const CheckBoxWithRef = React.forwardRef(function CheckBoxWithRef(props, ref) {
   return <CheckBox {...props} forwardedRef={ref} />;
 });
 
+/* $FlowFixMe(>=0.89.0 site=react_native_android_fb) This comment suppresses an
+ * error found when Flow v0.89 was deployed. To see the error, delete this
+ * comment and run Flow. */
 module.exports = (CheckBoxWithRef: CheckBoxType);

Libraries/Components/ProgressBarAndroid/ProgressBarAndroid.android.js

@@ -89,15 +89,20 @@ const ProgressBarAndroid = (
   return <AndroidProgressBar {...props} ref={forwardedRef} />;
 };
 
-// $FlowFixMe - TODO T29156721 `React.forwardRef` is not defined in Flow, yet.
 const ProgressBarAndroidToExport = React.forwardRef(ProgressBarAndroid);
 
+/* $FlowFixMe(>=0.89.0 site=react_native_android_fb) This comment suppresses an
+ * error found when Flow v0.89 was deployed. To see the error, delete this
+ * comment and run Flow. */
 ProgressBarAndroidToExport.defaultProps = {
   styleAttr: 'Normal',
   indeterminate: true,
   animating: true,
 };
 
+/* $FlowFixMe(>=0.89.0 site=react_native_android_fb) This comment suppresses an
+ * error found when Flow v0.89 was deployed. To see the error, delete this
+ * comment and run Flow. */
 module.exports = (ProgressBarAndroidToExport: Class<
   NativeComponent<ProgressBarAndroidProps>,
 >);

Libraries/Components/ProgressViewIOS/ProgressViewIOS.ios.js

@@ -80,7 +80,9 @@ const styles = StyleSheet.create({
   },
 });
 
-// $FlowFixMe - TODO T29156721 `React.forwardRef` is not defined in Flow, yet.
 const ProgressViewIOSWithRef = React.forwardRef(ProgressViewIOS);
 
+/* $FlowFixMe(>=0.89.0 site=react_native_ios_fb) This comment suppresses an
+ * error found when Flow v0.89 was deployed. To see the error, delete this
+ * comment and run Flow. */
 module.exports = (ProgressViewIOSWithRef: NativeProgressViewIOS);

Libraries/Components/ScrollView/ScrollView.js

@@ -403,8 +403,8 @@ export type Props = $ReadOnly<{|
    *   - `false`, deprecated, use 'never' instead
    *   - `true`, deprecated, use 'always' instead
    */
-  /* $FlowFixMe(>=0.86.0 site=react_native_fb) This comment suppresses an error
-   * found when Flow v0.86 was deployed. To see the error, delete this comment
+  /* $FlowFixMe(>=0.89.0 site=react_native_fb) This comment suppresses an error
+   * found when Flow v0.89 was deployed. To see the error, delete this comment
    * and run Flow. */
   keyboardShouldPersistTaps?: ?('always' | 'never' | 'handled' | false | true),
   /**

Libraries/Components/SegmentedControlIOS/SegmentedControlIOS.ios.js

@@ -127,7 +127,6 @@ const styles = StyleSheet.create({
   },
 });
 
-// $FlowFixMe - TODO T29156721 `React.forwardRef` is not defined in Flow, yet.
 const SegmentedControlIOSWithRef = React.forwardRef(
   (
     props: SegmentedControlIOSProps,
@@ -137,4 +136,7 @@ const SegmentedControlIOSWithRef = React.forwardRef(
   },
 );
 
+/* $FlowFixMe(>=0.89.0 site=react_native_ios_fb) This comment suppresses an
+ * error found when Flow v0.89 was deployed. To see the error, delete this
+ * comment and run Flow. */
 module.exports = (SegmentedControlIOSWithRef: NativeSegmentedControlIOS);

Libraries/Components/Slider/Slider.js

@@ -250,9 +250,11 @@ const Slider = (
   );
 };
 
-// $FlowFixMe - TODO T29156721 `React.forwardRef` is not defined in Flow, yet.
 const SliderWithRef = React.forwardRef(Slider);
 
+/* $FlowFixMe(>=0.89.0 site=react_native_fb) This comment suppresses an error
+ * found when Flow v0.89 was deployed. To see the error, delete this comment
+ * and run Flow. */
 SliderWithRef.defaultProps = {
   disabled: false,
   value: 0,
@@ -274,4 +276,7 @@ if (Platform.OS === 'ios') {
   });
 }
 
+/* $FlowFixMe(>=0.89.0 site=react_native_fb) This comment suppresses an error
+ * found when Flow v0.89 was deployed. To see the error, delete this comment
+ * and run Flow. */
 module.exports = (SliderWithRef: Class<ReactNative.NativeComponent<Props>>);

Libraries/Components/ToolbarAndroid/ToolbarAndroid.android.js

@@ -236,7 +236,6 @@ class ToolbarAndroid extends React.Component<Props> {
   }
 }
 
-// $FlowFixMe - TODO T29156721 `React.forwardRef` is not defined in Flow, yet.
 const ToolbarAndroidToExport = React.forwardRef(
   (
     props: ToolbarAndroidProps,
@@ -246,6 +245,9 @@ const ToolbarAndroidToExport = React.forwardRef(
   },
 );
 
+/* $FlowFixMe(>=0.89.0 site=react_native_android_fb) This comment suppresses an
+ * error found when Flow v0.89 was deployed. To see the error, delete this
+ * comment and run Flow. */
 module.exports = (ToolbarAndroidToExport: Class<
   NativeComponent<ToolbarAndroidProps>,
 >);

Libraries/Components/Touchable/TouchableBounce.js

@@ -56,6 +56,9 @@ const TouchableBounce = ((createReactClass({
   mixins: [Touchable.Mixin.withoutDefaultFocusAndBlur, NativeMethodsMixin],
 
   propTypes: {
+    /* $FlowFixMe(>=0.89.0 site=react_native_fb) This comment suppresses an
+     * error found when Flow v0.89 was deployed. To see the error, delete this
+     * comment and run Flow. */
     ...TouchableWithoutFeedback.propTypes,
     // The function passed takes a callback to start the animation which should
     // be run after this onPress handler is done. You can use this (for example)
@@ -86,6 +89,9 @@ const TouchableBounce = ((createReactClass({
 
   getInitialState: function(): State {
     return {
+      /* $FlowFixMe(>=0.89.0 site=react_native_fb) This comment suppresses an
+       * error found when Flow v0.89 was deployed. To see the error, delete
+       * this comment and run Flow. */
       ...this.touchableGetInitialState(),
       scale: new Animated.Value(1),
     };
@@ -181,13 +187,31 @@ const TouchableBounce = ((createReactClass({
         nativeID={this.props.nativeID}
         testID={this.props.testID}
         hitSlop={this.props.hitSlop}
+        /* $FlowFixMe(>=0.89.0 site=react_native_fb) This comment suppresses an
+         * error found when Flow v0.89 was deployed. To see the error, delete
+         * this comment and run Flow. */
         onStartShouldSetResponder={this.touchableHandleStartShouldSetResponder}
         onResponderTerminationRequest={
+          /* $FlowFixMe(>=0.89.0 site=react_native_fb) This comment suppresses
+           * an error found when Flow v0.89 was deployed. To see the error,
+           * delete this comment and run Flow. */
           this.touchableHandleResponderTerminationRequest
         }
+        /* $FlowFixMe(>=0.89.0 site=react_native_fb) This comment suppresses an
+         * error found when Flow v0.89 was deployed. To see the error, delete
+         * this comment and run Flow. */
         onResponderGrant={this.touchableHandleResponderGrant}
+        /* $FlowFixMe(>=0.89.0 site=react_native_fb) This comment suppresses an
+         * error found when Flow v0.89 was deployed. To see the error, delete
+         * this comment and run Flow. */
         onResponderMove={this.touchableHandleResponderMove}
+        /* $FlowFixMe(>=0.89.0 site=react_native_fb) This comment suppresses an
+         * error found when Flow v0.89 was deployed. To see the error, delete
+         * this comment and run Flow. */
         onResponderRelease={this.touchableHandleResponderRelease}
+        /* $FlowFixMe(>=0.89.0 site=react_native_fb) This comment suppresses an
+         * error found when Flow v0.89 was deployed. To see the error, delete
+         * this comment and run Flow. */
         onResponderTerminate={this.touchableHandleResponderTerminate}>
         {this.props.children}
         {Touchable.renderDebugView({

Libraries/Components/Touchable/TouchableHighlight.js

@@ -155,6 +155,9 @@ type Props = $ReadOnly<{|
 const TouchableHighlight = ((createReactClass({
   displayName: 'TouchableHighlight',
   propTypes: {
+    /* $FlowFixMe(>=0.89.0 site=react_native_fb) This comment suppresses an
+     * error found when Flow v0.89 was deployed. To see the error, delete this
+     * comment and run Flow. */
     ...TouchableWithoutFeedback.propTypes,
     /**
      * Determines what the opacity of the wrapped view should be when touch is
@@ -200,9 +203,15 @@ const TouchableHighlight = ((createReactClass({
   getDefaultProps: () => DEFAULT_PROPS,
 
   getInitialState: function() {
+    /* $FlowFixMe(>=0.89.0 site=react_native_fb) This comment suppresses an
+     * error found when Flow v0.89 was deployed. To see the error, delete this
+     * comment and run Flow. */
     this._isMounted = false;
     if (this.props.testOnly_pressed) {
       return {
+        /* $FlowFixMe(>=0.89.0 site=react_native_fb) This comment suppresses an
+         * error found when Flow v0.89 was deployed. To see the error, delete
+         * this comment and run Flow. */
         ...this.touchableGetInitialState(),
         extraChildStyle: {
           opacity: this.props.activeOpacity,
@@ -213,6 +222,9 @@ const TouchableHighlight = ((createReactClass({
       };
     } else {
       return {
+        /* $FlowFixMe(>=0.89.0 site=react_native_fb) This comment suppresses an
+         * error found when Flow v0.89 was deployed. To see the error, delete
+         * this comment and run Flow. */
         ...this.touchableGetInitialState(),
         extraChildStyle: null,
         extraUnderlayStyle: null,
@@ -221,12 +233,21 @@ const TouchableHighlight = ((createReactClass({
   },
 
   componentDidMount: function() {
+    /* $FlowFixMe(>=0.89.0 site=react_native_fb) This comment suppresses an
+     * error found when Flow v0.89 was deployed. To see the error, delete this
+     * comment and run Flow. */
     this._isMounted = true;
     ensurePositiveDelayProps(this.props);
   },
 
   componentWillUnmount: function() {
+    /* $FlowFixMe(>=0.89.0 site=react_native_fb) This comment suppresses an
+     * error found when Flow v0.89 was deployed. To see the error, delete this
+     * comment and run Flow. */
     this._isMounted = false;
+    /* $FlowFixMe(>=0.89.0 site=react_native_fb) This comment suppresses an
+     * error found when Flow v0.89 was deployed. To see the error, delete this
+     * comment and run Flow. */
     clearTimeout(this._hideTimeout);
   },
 
@@ -244,13 +265,22 @@ const TouchableHighlight = ((createReactClass({
    * defined on your component.
    */
   touchableHandleActivePressIn: function(e: PressEvent) {
+    /* $FlowFixMe(>=0.89.0 site=react_native_fb) This comment suppresses an
+     * error found when Flow v0.89 was deployed. To see the error, delete this
+     * comment and run Flow. */
     clearTimeout(this._hideTimeout);
+    /* $FlowFixMe(>=0.89.0 site=react_native_fb) This comment suppresses an
+     * error found when Flow v0.89 was deployed. To see the error, delete this
+     * comment and run Flow. */
     this._hideTimeout = null;
     this._showUnderlay();
     this.props.onPressIn && this.props.onPressIn(e);
   },
 
   touchableHandleActivePressOut: function(e: PressEvent) {
+    /* $FlowFixMe(>=0.89.0 site=react_native_fb) This comment suppresses an
+     * error found when Flow v0.89 was deployed. To see the error, delete this
+     * comment and run Flow. */
     if (!this._hideTimeout) {
       this._hideUnderlay();
     }
@@ -272,9 +302,15 @@ const TouchableHighlight = ((createReactClass({
   },
 
   touchableHandlePress: function(e: PressEvent) {
+    /* $FlowFixMe(>=0.89.0 site=react_native_fb) This comment suppresses an
+     * error found when Flow v0.89 was deployed. To see the error, delete this
+     * comment and run Flow. */
     clearTimeout(this._hideTimeout);
     if (!Platform.isTV) {
       this._showUnderlay();
+      /* $FlowFixMe(>=0.89.0 site=react_native_fb) This comment suppresses an
+       * error found when Flow v0.89 was deployed. To see the error, delete
+       * this comment and run Flow. */
       this._hideTimeout = setTimeout(
         this._hideUnderlay,
         this.props.delayPressOut,
@@ -308,6 +344,9 @@ const TouchableHighlight = ((createReactClass({
   },
 
   _showUnderlay: function() {
+    /* $FlowFixMe(>=0.89.0 site=react_native_fb) This comment suppresses an
+     * error found when Flow v0.89 was deployed. To see the error, delete this
+     * comment and run Flow. */
     if (!this._isMounted || !this._hasPressHandler()) {
       return;
     }
@@ -323,7 +362,13 @@ const TouchableHighlight = ((createReactClass({
   },
 
   _hideUnderlay: function() {
+    /* $FlowFixMe(>=0.89.0 site=react_native_fb) This comment suppresses an
+     * error found when Flow v0.89 was deployed. To see the error, delete this
+     * comment and run Flow. */
     clearTimeout(this._hideTimeout);
+    /* $FlowFixMe(>=0.89.0 site=react_native_fb) This comment suppresses an
+     * error found when Flow v0.89 was deployed. To see the error, delete this
+     * comment and run Flow. */
     this._hideTimeout = null;
     if (this.props.testOnly_pressed) {
       return;
@@ -364,13 +409,31 @@ const TouchableHighlight = ((createReactClass({
         isTVSelectable={true}
         tvParallaxProperties={this.props.tvParallaxProperties}
         hasTVPreferredFocus={this.props.hasTVPreferredFocus}
+        /* $FlowFixMe(>=0.89.0 site=react_native_fb) This comment suppresses an
+         * error found when Flow v0.89 was deployed. To see the error, delete
+         * this comment and run Flow. */
         onStartShouldSetResponder={this.touchableHandleStartShouldSetResponder}
         onResponderTerminationRequest={
+          /* $FlowFixMe(>=0.89.0 site=react_native_fb) This comment suppresses
+           * an error found when Flow v0.89 was deployed. To see the error,
+           * delete this comment and run Flow. */
           this.touchableHandleResponderTerminationRequest
         }
+        /* $FlowFixMe(>=0.89.0 site=react_native_fb) This comment suppresses an
+         * error found when Flow v0.89 was deployed. To see the error, delete
+         * this comment and run Flow. */
         onResponderGrant={this.touchableHandleResponderGrant}
+        /* $FlowFixMe(>=0.89.0 site=react_native_fb) This comment suppresses an
+         * error found when Flow v0.89 was deployed. To see the error, delete
+         * this comment and run Flow. */
         onResponderMove={this.touchableHandleResponderMove}
+        /* $FlowFixMe(>=0.89.0 site=react_native_fb) This comment suppresses an
+         * error found when Flow v0.89 was deployed. To see the error, delete
+         * this comment and run Flow. */
         onResponderRelease={this.touchableHandleResponderRelease}
+        /* $FlowFixMe(>=0.89.0 site=react_native_fb) This comment suppresses an
+         * error found when Flow v0.89 was deployed. To see the error, delete
+         * this comment and run Flow. */
         onResponderTerminate={this.touchableHandleResponderTerminate}
         nativeID={this.props.nativeID}
         testID={this.props.testID}>

Libraries/Components/Touchable/TouchableNativeFeedback.android.js

@@ -75,6 +75,9 @@ const PRESS_RETENTION_OFFSET = {top: 20, left: 20, right: 20, bottom: 30};
 const TouchableNativeFeedback = createReactClass({
   displayName: 'TouchableNativeFeedback',
   propTypes: {
+    /* $FlowFixMe(>=0.89.0 site=react_native_android_fb) This comment
+     * suppresses an error found when Flow v0.89 was deployed. To see the
+     * error, delete this comment and run Flow. */
     ...TouchableWithoutFeedback.propTypes,
 
     /**
@@ -107,7 +110,10 @@ const TouchableNativeFeedback = createReactClass({
      * Creates an object that represents android theme's default background for
      * selectable elements (?android:attr/selectableItemBackground).
      */
-    SelectableBackground: function() {
+    SelectableBackground: function(): {
+      type: 'ThemeAttrAndroid',
+      attribute: 'selectableItemBackground',
+    } {
       return {type: 'ThemeAttrAndroid', attribute: 'selectableItemBackground'};
     },
     /**
@@ -115,7 +121,10 @@ const TouchableNativeFeedback = createReactClass({
      * selectable elements (?android:attr/selectableItemBackgroundBorderless).
      * Available on android API level 21+.
      */
-    SelectableBackgroundBorderless: function() {
+    SelectableBackgroundBorderless: function(): {
+      type: 'ThemeAttrAndroid',
+      attribute: 'selectableItemBackgroundBorderless',
+    } {
       return {
         type: 'ThemeAttrAndroid',
         attribute: 'selectableItemBackgroundBorderless',
@@ -131,7 +140,14 @@ const TouchableNativeFeedback = createReactClass({
      * @param color The ripple color
      * @param borderless If the ripple can render outside it's bounds
      */
-    Ripple: function(color: string, borderless: boolean) {
+    Ripple: function(
+      color: string,
+      borderless: boolean,
+    ): {
+      type: 'RippleAndroid',
+      color: ?number,
+      borderless: boolean,
+    } {
       return {
         type: 'RippleAndroid',
         color: processColor(color),
@@ -139,7 +155,7 @@ const TouchableNativeFeedback = createReactClass({
       };
     },
 
-    canUseNativeForeground: function() {
+    canUseNativeForeground: function(): boolean {
       return Platform.OS === 'android' && Platform.Version >= 23;
     },
   },
@@ -171,9 +187,18 @@ const TouchableNativeFeedback = createReactClass({
   touchableHandleActivePressIn: function(e: PressEvent) {
     this.props.onPressIn && this.props.onPressIn(e);
     this._dispatchPressedStateChange(true);
+    /* $FlowFixMe(>=0.89.0 site=react_native_android_fb) This comment
+     * suppresses an error found when Flow v0.89 was deployed. To see the
+     * error, delete this comment and run Flow. */
     if (this.pressInLocation) {
       this._dispatchHotspotUpdate(
+        /* $FlowFixMe(>=0.89.0 site=react_native_android_fb) This comment
+         * suppresses an error found when Flow v0.89 was deployed. To see the
+         * error, delete this comment and run Flow. */
         this.pressInLocation.locationX,
+        /* $FlowFixMe(>=0.89.0 site=react_native_android_fb) This comment
+         * suppresses an error found when Flow v0.89 was deployed. To see the
+         * error, delete this comment and run Flow. */
         this.pressInLocation.locationY,
       );
     }

Libraries/Components/Touchable/TouchableOpacity.js

@@ -135,6 +135,9 @@ const TouchableOpacity = ((createReactClass({
   mixins: [Touchable.Mixin.withoutDefaultFocusAndBlur, NativeMethodsMixin],
 
   propTypes: {
+    /* $FlowFixMe(>=0.89.0 site=react_native_fb) This comment suppresses an
+     * error found when Flow v0.89 was deployed. To see the error, delete this
+     * comment and run Flow. */
     ...TouchableWithoutFeedback.propTypes,
     /**
      * Determines what the opacity of the wrapped view should be when touch is
@@ -159,7 +162,13 @@ const TouchableOpacity = ((createReactClass({
 
   getInitialState: function() {
     return {
+      /* $FlowFixMe(>=0.89.0 site=react_native_fb) This comment suppresses an
+       * error found when Flow v0.89 was deployed. To see the error, delete
+       * this comment and run Flow. */
       ...this.touchableGetInitialState(),
+      /* $FlowFixMe(>=0.89.0 site=react_native_fb) This comment suppresses an
+       * error found when Flow v0.89 was deployed. To see the error, delete
+       * this comment and run Flow. */
       anim: new Animated.Value(this._getChildStyleOpacityWithDefault()),
     };
   },
@@ -257,6 +266,9 @@ const TouchableOpacity = ((createReactClass({
   },
 
   _opacityInactive: function(duration: number) {
+    /* $FlowFixMe(>=0.89.0 site=react_native_fb) This comment suppresses an
+     * error found when Flow v0.89 was deployed. To see the error, delete this
+     * comment and run Flow. */
     this.setOpacityTo(this._getChildStyleOpacityWithDefault(), duration);
   },
 
@@ -281,13 +293,31 @@ const TouchableOpacity = ((createReactClass({
         hasTVPreferredFocus={this.props.hasTVPreferredFocus}
         tvParallaxProperties={this.props.tvParallaxProperties}
         hitSlop={this.props.hitSlop}
+        /* $FlowFixMe(>=0.89.0 site=react_native_fb) This comment suppresses an
+         * error found when Flow v0.89 was deployed. To see the error, delete
+         * this comment and run Flow. */
         onStartShouldSetResponder={this.touchableHandleStartShouldSetResponder}
         onResponderTerminationRequest={
+          /* $FlowFixMe(>=0.89.0 site=react_native_fb) This comment suppresses
+           * an error found when Flow v0.89 was deployed. To see the error,
+           * delete this comment and run Flow. */
           this.touchableHandleResponderTerminationRequest
         }
+        /* $FlowFixMe(>=0.89.0 site=react_native_fb) This comment suppresses an
+         * error found when Flow v0.89 was deployed. To see the error, delete
+         * this comment and run Flow. */
         onResponderGrant={this.touchableHandleResponderGrant}
+        /* $FlowFixMe(>=0.89.0 site=react_native_fb) This comment suppresses an
+         * error found when Flow v0.89 was deployed. To see the error, delete
+         * this comment and run Flow. */
         onResponderMove={this.touchableHandleResponderMove}
+        /* $FlowFixMe(>=0.89.0 site=react_native_fb) This comment suppresses an
+         * error found when Flow v0.89 was deployed. To see the error, delete
+         * this comment and run Flow. */
         onResponderRelease={this.touchableHandleResponderRelease}
+        /* $FlowFixMe(>=0.89.0 site=react_native_fb) This comment suppresses an
+         * error found when Flow v0.89 was deployed. To see the error, delete
+         * this comment and run Flow. */
         onResponderTerminate={this.touchableHandleResponderTerminate}>
         {this.props.children}
         {Touchable.renderDebugView({

Libraries/Components/View/View.js

@@ -47,7 +47,6 @@ if (__DEV__) {
         </TextAncestor.Consumer>
       );
     };
-    // $FlowFixMe - TODO T29156721 `React.forwardRef` is not defined in Flow, yet.
     ViewToExport = React.forwardRef(View);
     ViewToExport.displayName = 'View';
   }

Libraries/Components/View/ViewNativeComponent.js

@@ -16,6 +16,9 @@ const requireNativeComponent = require('requireNativeComponent');
 
 import type {ViewProps} from 'ViewPropTypes';
 
+/* $FlowFixMe(>=0.89.0 site=react_native_fb) This comment suppresses an error
+ * found when Flow v0.89 was deployed. To see the error, delete this comment
+ * and run Flow. */
 type ViewNativeComponentType = Class<ReactNative.NativeComponent<ViewProps>>;
 
 const NativeViewComponent = requireNativeComponent('RCTView');