Ashoat Tevosyan 046a9f8930 [flow] Make StackRouter action creators optional and add DrawerRouter ones (#4257)
This will force all Flow users to do runtime assertions if they want to use these action creators. Open to any better solutions.
2018-05-23 10:18:35 -07:00

124 lines
3.3 KiB
JavaScript

/**
* @flow
*/
import type { NavigationScreenProp } from 'react-navigation';
import * as React from 'react';
import { ScrollView, StatusBar } from 'react-native';
import { createStackNavigator, SafeAreaView } from 'react-navigation';
import invariant from 'invariant';
import { Button } from './commonComponents/ButtonWithMargin';
type NavScreenProps = {
navigation: NavigationScreenProp<*>,
};
class HomeScreen extends React.Component<NavScreenProps> {
static navigationOptions = {
title: 'Welcome',
};
render() {
const { navigation } = this.props;
const { push } = navigation;
invariant(push, 'missing `push` action creator for StackNavigator');
return (
<SafeAreaView style={{ paddingTop: 30 }}>
<Button onPress={() => push('Other')} title="Push another screen" />
<Button
onPress={() => push('ScreenWithNoHeader')}
title="Push screen with no header"
/>
<Button onPress={() => navigation.goBack(null)} title="Go Home" />
<StatusBar barStyle="default" />
</SafeAreaView>
);
}
}
class OtherScreen extends React.Component<NavScreenProps> {
static navigationOptions = {
title: 'Your title here',
};
render() {
const { navigation } = this.props;
const { push, pop } = navigation;
invariant(push && pop, 'missing action creators for StackNavigator');
return (
<SafeAreaView style={{ paddingTop: 30 }}>
<Button
onPress={() => push('ScreenWithLongTitle')}
title="Push another screen"
/>
<Button
onPress={() => push('ScreenWithNoHeader')}
title="Push screen with no header"
/>
<Button onPress={() => pop()} title="Pop" />
<Button onPress={() => navigation.goBack(null)} title="Go back" />
<StatusBar barStyle="default" />
</SafeAreaView>
);
}
}
class ScreenWithLongTitle extends React.Component<NavScreenProps> {
static navigationOptions = {
title: "Another title that's kind of long",
};
render() {
const { navigation } = this.props;
const { pop } = navigation;
invariant(pop, 'missing `pop` action creator for StackNavigator');
return (
<SafeAreaView style={{ paddingTop: 30 }}>
<Button onPress={() => pop()} title="Pop" />
<Button onPress={() => navigation.goBack(null)} title="Go back" />
<StatusBar barStyle="default" />
</SafeAreaView>
);
}
}
class ScreenWithNoHeader extends React.Component<NavScreenProps> {
static navigationOptions = {
header: null,
title: 'No Header',
};
render() {
const { navigation } = this.props;
const { push, pop } = navigation;
invariant(push && pop, 'missing action creators for StackNavigator');
return (
<SafeAreaView style={{ paddingTop: 30 }}>
<Button onPress={() => push('Other')} title="Push another screen" />
<Button onPress={() => pop()} title="Pop" />
<Button onPress={() => navigation.goBack(null)} title="Go back" />
<StatusBar barStyle="default" />
</SafeAreaView>
);
}
}
const StackWithHeaderPreset = createStackNavigator(
{
Home: HomeScreen,
Other: OtherScreen,
ScreenWithNoHeader: ScreenWithNoHeader,
ScreenWithLongTitle: ScreenWithLongTitle,
},
{
headerTransitionPreset: 'uikit',
}
);
export default StackWithHeaderPreset;