rn-waku-relay-poc/App.tsx

127 lines
2.7 KiB
TypeScript

/**
* Sample React Native App
* https://github.com/facebook/react-native
*
* Generated with the TypeScript template
* https://github.com/react-native-community/react-native-template-typescript
*
* @format
*/
import React from 'react';
import {
SafeAreaView,
ScrollView,
StatusBar,
StyleSheet,
Text,
useColorScheme,
View,
} from 'react-native';
import {
Colors,
DebugInstructions,
Header,
LearnMoreLinks,
ReloadInstructions,
} from 'react-native/Libraries/NewAppScreen';
import { Waku } from 'js-waku';
const Section: React.FC<{
title: string;
}> = ({children, title}) => {
const isDarkMode = useColorScheme() === 'dark';
return (
<View style={styles.sectionContainer}>
<Text
style={[
styles.sectionTitle,
{
color: isDarkMode ? Colors.white : Colors.black,
},
]}>
{title}
</Text>
<Text
style={[
styles.sectionDescription,
{
color: isDarkMode ? Colors.light : Colors.dark,
},
]}>
{children}
</Text>
</View>
);
};
const App = () => {
const [waku, setWaku] = React.useState(undefined);
const [wakuStatus, setWakuStatus] = React.useState('None');
// Start Waku
React.useEffect(() => {
// If Waku is already assigned, the job is done
if (!!waku) return;
// If Waku status not None, it means we are already starting Waku
if (wakuStatus !== 'None') return;
setWakuStatus('Starting');
// Create Waku
Waku.create({ bootstrap: { default: true } }).then(waku => {
// Once done, put it in the state
setWaku(waku);
// And update the status
setWakuStatus('Started');
});
}, [waku, wakuStatus]);
const isDarkMode = useColorScheme() === 'dark';
const backgroundStyle = {
backgroundColor: isDarkMode ? Colors.darker : Colors.lighter,
};
return (
<SafeAreaView style={backgroundStyle}>
<StatusBar barStyle={isDarkMode ? 'light-content' : 'dark-content'} />
<ScrollView
contentInsetAdjustmentBehavior="automatic"
style={backgroundStyle}>
<Header />
<View
style={{
backgroundColor: isDarkMode ? Colors.black : Colors.white,
}}>
<Section title="Waku">{wakuStatus}</Section>
<LearnMoreLinks />
</View>
</ScrollView>
</SafeAreaView>
);
};
const styles = StyleSheet.create({
sectionContainer: {
marginTop: 32,
paddingHorizontal: 24,
},
sectionTitle: {
fontSize: 24,
fontWeight: '600',
},
sectionDescription: {
marginTop: 8,
fontSize: 18,
fontWeight: '400',
},
highlight: {
fontWeight: '700',
},
});
export default App;