Prettier ScrollViewExample

Reviewed By: TheSavior, shergin

Differential Revision: D6712726

fbshipit-source-id: 30d8bcdcf6a1cbf1c05048462c7b8444b4ea5ede

RNTester/js/ScrollViewExample.js

@@ -8,6 +8,7 @@
  *
  * @flow
  * @providesModule ScrollViewExample
+ * @format
  */
 'use strict';
 
@@ -20,58 +21,76 @@ var {
   Text,
   TouchableOpacity,
   View,
-  Image
+  Image,
 } = ReactNative;
 
 exports.displayName = 'ScrollViewExample';
 exports.title = '<ScrollView>';
-exports.description = 'Component that enables scrolling through child components';
+exports.description =
+  'Component that enables scrolling through child components';
 exports.examples = [
   {
     title: '<ScrollView>',
-  description: 'To make content scrollable, wrap it within a <ScrollView> component',
+    description:
+      'To make content scrollable, wrap it within a <ScrollView> component',
     render: function() {
       var _scrollView: ScrollView;
       return (
         <View>
           <ScrollView
-          ref={(scrollView) => { _scrollView = scrollView; }}
+            ref={scrollView => {
+              _scrollView = scrollView;
+            }}
             automaticallyAdjustContentInsets={false}
-          onScroll={() => { console.log('onScroll!'); }}
+            onScroll={() => {
+              console.log('onScroll!');
+            }}
             scrollEventThrottle={200}
             style={styles.scrollView}>
             {THUMB_URLS.map(createThumbRow)}
           </ScrollView>
           <TouchableOpacity
             style={styles.button}
-          onPress={() => { _scrollView.scrollTo({y: 0}); }}>
+            onPress={() => {
+              _scrollView.scrollTo({y: 0});
+            }}>
             <Text>Scroll to top</Text>
           </TouchableOpacity>
           <TouchableOpacity
             style={styles.button}
-          onPress={() => { _scrollView.scrollToEnd({animated: true}); }}>
+            onPress={() => {
+              _scrollView.scrollToEnd({animated: true});
+            }}>
             <Text>Scroll to bottom</Text>
           </TouchableOpacity>
           <TouchableOpacity
             style={styles.button}
-          onPress={() => { _scrollView.flashScrollIndicators(); }}>
+            onPress={() => {
+              _scrollView.flashScrollIndicators();
+            }}>
             <Text>Flash scroll indicators</Text>
           </TouchableOpacity>
         </View>
       );
-  }
+    },
-}, {
+  },
+  {
     title: '<ScrollView> (horizontal = true)',
-  description: 'You can display <ScrollView>\'s child components horizontally rather than vertically',
+    description:
+      "You can display <ScrollView>'s child components horizontally rather than vertically",
     render: function() {
-
+      function renderScrollView(
-    function renderScrollView(title: string, addtionalStyles: typeof StyleSheet) {
+        title: string,
+        addtionalStyles: typeof StyleSheet,
+      ) {
         var _scrollView: ScrollView;
         return (
           <View style={addtionalStyles}>
             <Text style={styles.text}>{title}</Text>
             <ScrollView
-            ref={(scrollView) => { _scrollView = scrollView; }}
+              ref={scrollView => {
+                _scrollView = scrollView;
+              }}
               automaticallyAdjustContentInsets={false}
               horizontal={true}
               style={[styles.scrollView, styles.horizontalScrollView]}>
@@ -79,17 +98,23 @@ exports.examples = [
             </ScrollView>
             <TouchableOpacity
               style={styles.button}
-            onPress={() => { _scrollView.scrollTo({x: 0}); }}>
+              onPress={() => {
+                _scrollView.scrollTo({x: 0});
+              }}>
               <Text>Scroll to start</Text>
             </TouchableOpacity>
             <TouchableOpacity
               style={styles.button}
-            onPress={() => { _scrollView.scrollToEnd({animated: true}); }}>
+              onPress={() => {
+                _scrollView.scrollToEnd({animated: true});
+              }}>
               <Text>Scroll to end</Text>
             </TouchableOpacity>
             <TouchableOpacity
               style={styles.button}
-            onPress={() => { _scrollView.flashScrollIndicators(); }}>
+              onPress={() => {
+                _scrollView.flashScrollIndicators();
+              }}>
               <Text>Flash scroll indicators</Text>
             </TouchableOpacity>
           </View>
@@ -102,8 +127,9 @@ exports.examples = [
           {renderScrollView('RTL layout', {direction: 'rtl'})}
         </View>
       );
-  }
+    },
-}];
+  },
+];
 
 class Thumb extends React.Component<$FlowFixMeProps, $FlowFixMeState> {
   shouldComponentUpdate(nextProps, nextState) {
@@ -168,5 +194,5 @@ var styles = StyleSheet.create({
   img: {
     width: 64,
     height: 64,
-  }
+  },
 });