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Remove var in RNTester (#22017)
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Summary:
I removed `var` in RNTester.

- [x] npm run prettier
- [x] npm run flow-check-ios
- [x] npm run flow-check-android

[GENERAL] [ENHANCEMENT] [RNTester] - remove `var`
Pull Request resolved: #22017

Differential Revision: D12843109

Pulled By: TheSavior

fbshipit-source-id: 936ed5efdcff2e7b85e90ed90c589eb98c60c411
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@nissy-dev @facebook-github-bot
nissy-dev authored and facebook-github-bot committed Oct 30, 2018
1 parent a06c0da commit 7a9d860
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Showing 15 changed files with 102 additions and 101 deletions.
14 changes: 7 additions & 7 deletions RNTester/js/LayoutEventsExample.js
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Original file line number Diff line number Diff line change
Expand Up @@ -10,9 +10,9 @@

'use strict';

var React = require('react');
var ReactNative = require('react-native');
var {Image, LayoutAnimation, StyleSheet, Text, View} = ReactNative;
const React = require('react');
const ReactNative = require('react-native');
const {Image, LayoutAnimation, StyleSheet, Text, View} = ReactNative;

import type {ViewLayout, ViewLayoutEvent} from 'ViewPropTypes';

Expand Down Expand Up @@ -71,9 +71,9 @@ class LayoutEventExample extends React.Component<{}, State> {
};

render() {
var viewStyle = [styles.view, this.state.viewStyle];
var textLayout = this.state.textLayout || {width: '?', height: '?'};
var imageLayout = this.state.imageLayout || {x: '?', y: '?'};
const viewStyle = [styles.view, this.state.viewStyle];
const textLayout = this.state.textLayout || {width: '?', height: '?'};
const imageLayout = this.state.imageLayout || {x: '?', y: '?'};
return (
<View style={this.state.containerStyle}>
<Text>
Expand Down Expand Up @@ -113,7 +113,7 @@ class LayoutEventExample extends React.Component<{}, State> {
}
}

var styles = StyleSheet.create({
const styles = StyleSheet.create({
view: {
padding: 12,
borderColor: 'black',
Expand Down
20 changes: 10 additions & 10 deletions RNTester/js/LayoutExample.js
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Original file line number Diff line number Diff line change
Expand Up @@ -10,17 +10,17 @@

'use strict';

var React = require('react');
var ReactNative = require('react-native');
var {StyleSheet, Text, View} = ReactNative;
const React = require('react');
const ReactNative = require('react-native');
const {StyleSheet, Text, View} = ReactNative;

var RNTesterBlock = require('./RNTesterBlock');
var RNTesterPage = require('./RNTesterPage');
const RNTesterBlock = require('./RNTesterBlock');
const RNTesterPage = require('./RNTesterPage');

class Circle extends React.Component<$FlowFixMeProps> {
render() {
var size = this.props.size || 20;
var backgroundColor = this.props.bgColor || '#527fe4';
const size = this.props.size || 20;
const backgroundColor = this.props.bgColor || '#527fe4';
return (
<View
style={{
Expand All @@ -37,7 +37,7 @@ class Circle extends React.Component<$FlowFixMeProps> {

class CircleBlock extends React.Component<$FlowFixMeProps> {
render() {
var circleStyle = {
const circleStyle = {
flexDirection: 'row',
backgroundColor: '#f6f7f8',
borderWidth: 0.5,
Expand All @@ -56,7 +56,7 @@ class LayoutExample extends React.Component<$FlowFixMeProps> {
static displayName = 'LayoutExample';

render() {
var fiveColoredCircles = [
const fiveColoredCircles = [
<Circle bgColor="#527fe4" key="blue" />,
<Circle bgColor="#D443E3" key="violet" />,
<Circle bgColor="#FF9049" key="orange" />,
Expand Down Expand Up @@ -186,7 +186,7 @@ class LayoutExample extends React.Component<$FlowFixMeProps> {
}
}

var styles = StyleSheet.create({
const styles = StyleSheet.create({
overlay: {
backgroundColor: '#aaccff',
borderRadius: 10,
Expand Down
22 changes: 11 additions & 11 deletions RNTester/js/ListViewExample.js
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Original file line number Diff line number Diff line change
Expand Up @@ -69,8 +69,8 @@ class ListViewSimpleExample extends React.Component<RNTesterProps, State> {
rowID: number,
highlightRow: (sectionID: number, rowID: number) => void,
) => {
var rowHash = Math.abs(hashCode(rowData));
var imgSource = THUMB_URLS[rowHash % THUMB_URLS.length];
const rowHash = Math.abs(hashCode(rowData));
const imgSource = THUMB_URLS[rowHash % THUMB_URLS.length];
return (
<TouchableHighlight
onPress={() => {
Expand All @@ -90,9 +90,9 @@ class ListViewSimpleExample extends React.Component<RNTesterProps, State> {
};

_genRows(pressData: {[key: number]: boolean}): Array<string> {
var dataBlob = [];
for (var ii = 0; ii < 100; ii++) {
var pressedText = pressData[ii] ? ' (pressed)' : '';
const dataBlob = [];
for (let ii = 0; ii < 100; ii++) {
const pressedText = pressData[ii] ? ' (pressed)' : '';
dataBlob.push('Row ' + ii + pressedText);
}
return dataBlob;
Expand Down Expand Up @@ -124,7 +124,7 @@ class ListViewSimpleExample extends React.Component<RNTesterProps, State> {
}
}
var THUMB_URLS = [
const THUMB_URLS = [
require('./Thumbnails/like.png'),
require('./Thumbnails/dislike.png'),
require('./Thumbnails/call.png'),
Expand All @@ -138,19 +138,19 @@ var THUMB_URLS = [
require('./Thumbnails/superlike.png'),
require('./Thumbnails/victory.png'),
];
var LOREM_IPSUM =
const LOREM_IPSUM =
'Lorem ipsum dolor sit amet, ius ad pertinax oportere accommodare, an vix civibus corrumpit referrentur. Te nam case ludus inciderint, te mea facilisi adipiscing. Sea id integre luptatum. In tota sale consequuntur nec. Erat ocurreret mei ei. Eu paulo sapientem vulputate est, vel an accusam intellegam interesset. Nam eu stet pericula reprimique, ea vim illud modus, putant invidunt reprehendunt ne qui.';
/* eslint no-bitwise: 0 */
var hashCode = function(str) {
var hash = 15;
for (var ii = str.length - 1; ii >= 0; ii--) {
const hashCode = function(str) {
let hash = 15;
for (let ii = str.length - 1; ii >= 0; ii--) {
hash = (hash << 5) - hash + str.charCodeAt(ii);
}
return hash;
};
var styles = StyleSheet.create({
const styles = StyleSheet.create({
row: {
flexDirection: 'row',
justifyContent: 'center',
Expand Down
20 changes: 10 additions & 10 deletions RNTester/js/ListViewGridLayoutExample.js
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Original file line number Diff line number Diff line change
Expand Up @@ -24,7 +24,7 @@ const ListViewDataSource = require('ListViewDataSource');

import type {RNTesterProps} from 'RNTesterTypes';

var THUMB_URLS = [
const THUMB_URLS = [
require('./Thumbnails/like.png'),
require('./Thumbnails/dislike.png'),
require('./Thumbnails/call.png'),
Expand Down Expand Up @@ -78,8 +78,8 @@ class ListViewGridLayoutExample extends React.Component<RNTesterProps, State> {
}

_renderRow = (rowData: string, sectionID: number, rowID: number) => {
var rowHash = Math.abs(hashCode(rowData));
var imgSource = THUMB_URLS[rowHash % THUMB_URLS.length];
const rowHash = Math.abs(hashCode(rowData));
const imgSource = THUMB_URLS[rowHash % THUMB_URLS.length];
return (
<TouchableHighlight
onPress={() => this._pressRow(rowID)}
Expand All @@ -95,9 +95,9 @@ class ListViewGridLayoutExample extends React.Component<RNTesterProps, State> {
};

_genRows(pressData: {[key: number]: boolean}): Array<string> {
var dataBlob = [];
for (var ii = 0; ii < 100; ii++) {
var pressedText = pressData[ii] ? ' (X)' : '';
const dataBlob = [];
for (let ii = 0; ii < 100; ii++) {
const pressedText = pressData[ii] ? ' (X)' : '';
dataBlob.push('Cell ' + ii + pressedText);
}
return dataBlob;
Expand All @@ -114,15 +114,15 @@ class ListViewGridLayoutExample extends React.Component<RNTesterProps, State> {
}

/* eslint no-bitwise: 0 */
var hashCode = function(str) {
var hash = 15;
for (var ii = str.length - 1; ii >= 0; ii--) {
const hashCode = function(str) {
let hash = 15;
for (let ii = str.length - 1; ii >= 0; ii--) {
hash = (hash << 5) - hash + str.charCodeAt(ii);
}
return hash;
};

var styles = StyleSheet.create({
const styles = StyleSheet.create({
list: {
justifyContent: 'space-around',
flexDirection: 'row',
Expand Down
48 changes: 24 additions & 24 deletions RNTester/js/ListViewPagingExample.js
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Original file line number Diff line number Diff line change
Expand Up @@ -10,9 +10,9 @@

'use strict';

var React = require('react');
var ReactNative = require('react-native');
var {
const React = require('react');
const ReactNative = require('react-native');
const {
Image,
LayoutAnimation,
ListView,
Expand All @@ -22,10 +22,10 @@ var {
View,
} = ReactNative;

var NativeModules = require('NativeModules');
var {UIManager} = NativeModules;
const NativeModules = require('NativeModules');
const {UIManager} = NativeModules;

var THUMB_URLS = [
const THUMB_URLS = [
require('./Thumbnails/like.png'),
require('./Thumbnails/dislike.png'),
require('./Thumbnails/call.png'),
Expand All @@ -39,8 +39,8 @@ var THUMB_URLS = [
require('./Thumbnails/superlike.png'),
require('./Thumbnails/victory.png'),
];
var NUM_SECTIONS = 100;
var NUM_ROWS_PER_SECTION = 10;
const NUM_SECTIONS = 100;
const NUM_ROWS_PER_SECTION = 10;

class Thumb extends React.Component<{}, $FlowFixMeState> {
UNSAFE_componentWillMount() {
Expand All @@ -53,7 +53,7 @@ class Thumb extends React.Component<{}, $FlowFixMeState> {
};

_onPressThumb = () => {
var config =
const config =
layoutAnimationConfigs[
this.state.thumbIndex % layoutAnimationConfigs.length
];
Expand Down Expand Up @@ -94,31 +94,31 @@ class ListViewPagingExample extends React.Component<$FlowFixMeProps, *> {
// $FlowFixMe found when converting React.createClass to ES6
constructor(props) {
super(props);
var getSectionData = (dataBlob, sectionID) => {
const getSectionData = (dataBlob, sectionID) => {
return dataBlob[sectionID];
};
var getRowData = (dataBlob, sectionID, rowID) => {
const getRowData = (dataBlob, sectionID, rowID) => {
return dataBlob[rowID];
};

var dataSource = new ListView.DataSource({
const dataSource = new ListView.DataSource({
getRowData: getRowData,
getSectionHeaderData: getSectionData,
rowHasChanged: (row1, row2) => row1 !== row2,
sectionHeaderHasChanged: (s1, s2) => s1 !== s2,
});

var dataBlob = {};
var sectionIDs = [];
var rowIDs = [];
for (var ii = 0; ii < NUM_SECTIONS; ii++) {
var sectionName = 'Section ' + ii;
const dataBlob = {};
const sectionIDs = [];
const rowIDs = [];
for (let ii = 0; ii < NUM_SECTIONS; ii++) {
const sectionName = 'Section ' + ii;
sectionIDs.push(sectionName);
dataBlob[sectionName] = sectionName;
rowIDs[ii] = [];

for (var jj = 0; jj < NUM_ROWS_PER_SECTION; jj++) {
var rowName = 'S' + ii + ', R' + jj;
for (let jj = 0; jj < NUM_ROWS_PER_SECTION; jj++) {
const rowName = 'S' + ii + ', R' + jj;
rowIDs[ii].push(rowName);
dataBlob[rowName] = rowName;
}
Expand Down Expand Up @@ -151,7 +151,7 @@ class ListViewPagingExample extends React.Component<$FlowFixMeProps, *> {
};

renderHeader = () => {
var headerLikeText =
const headerLikeText =
this.state.headerPressCount % 2 ? (
<View>
<Text style={styles.text}>1 Like</Text>
Expand Down Expand Up @@ -198,7 +198,7 @@ class ListViewPagingExample extends React.Component<$FlowFixMeProps, *> {
}

_onPressHeader = () => {
var config =
const config =
layoutAnimationConfigs[
Math.floor(this.state.headerPressCount / 2) %
layoutAnimationConfigs.length
Expand All @@ -208,7 +208,7 @@ class ListViewPagingExample extends React.Component<$FlowFixMeProps, *> {
};
}

var styles = StyleSheet.create({
const styles = StyleSheet.create({
listview: {
backgroundColor: '#B0C4DE',
},
Expand Down Expand Up @@ -256,7 +256,7 @@ var styles = StyleSheet.create({
},
});

var animations = {
const animations = {
layout: {
spring: {
duration: 750,
Expand Down Expand Up @@ -284,7 +284,7 @@ var animations = {
},
};

var layoutAnimationConfigs = [
const layoutAnimationConfigs = [
animations.layout.spring,
animations.layout.easeInEaseOut,
];
Expand Down
16 changes: 8 additions & 8 deletions RNTester/js/ModalExample.js
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Original file line number Diff line number Diff line change
Expand Up @@ -10,9 +10,9 @@

'use strict';

var React = require('react');
var ReactNative = require('react-native');
var {
const React = require('react');
const ReactNative = require('react-native');
const {
Modal,
Picker,
Platform,
Expand Down Expand Up @@ -44,7 +44,7 @@ class Button extends React.Component<$FlowFixMeProps, $FlowFixMeState> {
};

render() {
var colorStyle = {
const colorStyle = {
color: this.state.active ? '#fff' : '#000',
};
return (
Expand Down Expand Up @@ -106,15 +106,15 @@ class ModalExample extends React.Component<{}, $FlowFixMeState> {
}

render() {
var modalBackgroundStyle = {
const modalBackgroundStyle = {
backgroundColor: this.state.transparent
? 'rgba(0, 0, 0, 0.5)'
: '#f5fcff',
};
var innerContainerTransparentStyle = this.state.transparent
const innerContainerTransparentStyle = this.state.transparent
? {backgroundColor: '#fff', padding: 20}
: null;
var activeButtonStyle = {
const activeButtonStyle = {
backgroundColor: '#ddd',
};

Expand Down Expand Up @@ -241,7 +241,7 @@ exports.examples = [
},
];

var styles = StyleSheet.create({
const styles = StyleSheet.create({
container: {
flex: 1,
justifyContent: 'center',
Expand Down
2 changes: 1 addition & 1 deletion RNTester/js/NativeAnimationsExample.js
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Original file line number Diff line number Diff line change
Expand Up @@ -21,7 +21,7 @@ const {
Slider,
} = ReactNative;

var AnimatedSlider = Animated.createAnimatedComponent(Slider);
const AnimatedSlider = Animated.createAnimatedComponent(Slider);

class Tester extends React.Component<$FlowFixMeProps, $FlowFixMeState> {
state = {
Expand Down
2 changes: 1 addition & 1 deletion RNTester/js/PanResponderExample.js
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Original file line number Diff line number Diff line change
Expand Up @@ -126,7 +126,7 @@ class PanResponderExample extends React.Component<Props> {
}
}

var styles = StyleSheet.create({
const styles = StyleSheet.create({
circle: {
width: CIRCLE_SIZE,
height: CIRCLE_SIZE,
Expand Down
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