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Switch to ES6 Class

Reviewed By: yungsters

Differential Revision: D8246980

fbshipit-source-id: fbd6998429e6791000ea093d3fa15c1a486914bd
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TheSavior authored and facebook-github-bot committed Jun 3, 2018
1 parent 5259450 commit 970caa4552d4ba87c1a954391535ff42b00832e7
Showing with 90 additions and 97 deletions.
  1. +90 −97 Libraries/Components/Switch/Switch.js
@@ -10,42 +10,81 @@
'use strict';
const ColorPropType = require('ColorPropType');
const NativeMethodsMixin = require('NativeMethodsMixin');
const Platform = require('Platform');
const React = require('React');
const ReactNative = require('ReactNative');
const PropTypes = require('prop-types');
const StyleSheet = require('StyleSheet');
const ViewPropTypes = require('ViewPropTypes');
const createReactClass = require('create-react-class');
const nullthrows = require('fbjs/lib/nullthrows');
const requireNativeComponent = require('requireNativeComponent');
import type {ColorValue} from 'StyleSheetTypes';
import type {ViewProps} from 'ViewPropTypes';
const RCTSwitch =
Platform.OS === 'android'
? requireNativeComponent('AndroidSwitch')
: requireNativeComponent('RCTSwitch');
type DefaultProps = $ReadOnly<{|
value: boolean,
disabled: boolean,
|}>;
type Props = $ReadOnly<{|
...ViewProps,
/**
* The value of the switch. If true the switch will be turned on.
* Default value is false.
*/
value?: ?boolean,
/**
* If true the user won't be able to toggle the switch.
* Default value is false.
*/
disabled?: ?boolean,
/**
* Switch change handler.
*
* Invoked with the event when the value changes. For getting the value
* the switch was changed to use onValueChange instead.
*/
onChange?: ?Function,
/**
* Invoked with the new value when the value changes.
*/
onValueChange?: ?Function,
/**
* Used to locate this view in end-to-end tests.
*/
testID?: ?string,
/**
* Border color on iOS and background color on Android when the switch is turned off.
*/
tintColor?: ?ColorValue,
/**
* Background color when the switch is turned on.
*/
onTintColor?: ?ColorValue,
/**
* Color of the foreground switch grip.
*/
thumbTintColor?: ?ColorValue,
|}>;
type NativeSwitchType = Class<
ReactNative.NativeComponent<
$ReadOnly<{|
...Props,
enabled?: ?boolean,
on?: ?boolean,
trackTintColor?: ?ColorValue,
|}>,
>,
>;
const RCTSwitch: NativeSwitchType =
Platform.OS === 'android'
? (requireNativeComponent('AndroidSwitch'): any)
: (requireNativeComponent('RCTSwitch'): any);
/**
* Renders a boolean input.
*
@@ -57,105 +96,59 @@ type Props = $ReadOnly<{|
* @keyword checkbox
* @keyword toggle
*/
const Switch = createReactClass({
displayName: 'Switch',
propTypes: {
...ViewPropTypes,
/**
* The value of the switch. If true the switch will be turned on.
* Default value is false.
*/
value: PropTypes.bool,
/**
* If true the user won't be able to toggle the switch.
* Default value is false.
*/
disabled: PropTypes.bool,
/**
* Invoked with the new value when the value changes.
*/
onValueChange: PropTypes.func,
/**
* Used to locate this view in end-to-end tests.
*/
testID: PropTypes.string,
/**
* Border color on iOS and background color on Android when the switch is turned off.
*/
tintColor: ColorPropType,
/**
* Background color when the switch is turned on.
*/
onTintColor: ColorPropType,
/**
* Color of the foreground switch grip.
*/
thumbTintColor: ColorPropType,
},
getDefaultProps: function(): DefaultProps {
return {
value: false,
disabled: false,
};
},
class Switch extends React.Component<Props> {
static defaultProps = {
value: false,
disabled: false,
};
mixins: [NativeMethodsMixin],
_rctSwitch: ?React.ElementRef<NativeSwitchType> = null;
_rctSwitch: {},
_onChange: function(event: Object) {
_onChange = (event: Object) => {
if (Platform.OS === 'android') {
this._rctSwitch.setNativeProps({on: this.props.value});
nullthrows(this._rctSwitch).setNativeProps({on: this.props.value});
} else {
this._rctSwitch.setNativeProps({value: this.props.value});
nullthrows(this._rctSwitch).setNativeProps({value: this.props.value});
}
//Change the props after the native props are set in case the props change removes the component
/* $FlowFixMe(>=0.53.0 site=react_native_fb,react_native_oss) This comment
* suppresses an error when upgrading Flow's support for React. To see the
* error delete this comment and run Flow. */
this.props.onChange && this.props.onChange(event);
this.props.onValueChange &&
this.props.onValueChange(event.nativeEvent.value);
},
};
render() {
const props = {
...this.props,
onStartShouldSetResponder: () => true,
onResponderTerminationRequest: () => false,
};
const platformProps =
Platform.OS === 'android'
? {
enabled: !this.props.disabled,
on: this.props.value,
style: this.props.style,
trackTintColor: this.props.value
? this.props.onTintColor
: this.props.tintColor,
}
: {
style: StyleSheet.compose(styles.rctSwitchIOS, this.props.style),
};
render: function() {
const props = {...this.props};
props.onStartShouldSetResponder = () => true;
props.onResponderTerminationRequest = () => false;
if (Platform.OS === 'android') {
/* $FlowFixMe(>=0.70.0 site=react_native_fb) This comment suppresses an
* error found when Flow v0.70 was deployed. To see the error delete
* this comment and run Flow. */
props.enabled = !this.props.disabled;
/* $FlowFixMe(>=0.70.0 site=react_native_fb) This comment suppresses an
* error found when Flow v0.70 was deployed. To see the error delete
* this comment and run Flow. */
props.on = this.props.value;
props.style = this.props.style;
/* $FlowFixMe(>=0.70.0 site=react_native_fb) This comment suppresses an
* error found when Flow v0.70 was deployed. To see the error delete
* this comment and run Flow. */
props.trackTintColor = this.props.value
? this.props.onTintColor
: this.props.tintColor;
} else if (Platform.OS === 'ios') {
props.style = [styles.rctSwitchIOS, this.props.style];
}
return (
<RCTSwitch
{...props}
{...platformProps}
ref={ref => {
/* $FlowFixMe(>=0.53.0 site=react_native_fb,react_native_oss) This
* comment suppresses an error when upgrading Flow's support for React.
* To see the error delete this comment and run Flow. */
this._rctSwitch = ref;
}}
onChange={this._onChange}
/>
);
},
});
}
}
const styles = StyleSheet.create({
rctSwitchIOS: {
@@ -164,4 +157,4 @@ const styles = StyleSheet.create({
},
});
module.exports = ((Switch: any): Class<ReactNative.NativeComponent<Props>>);
module.exports = Switch;

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