69 lines
2.0 KiB
TypeScript
69 lines
2.0 KiB
TypeScript
import React from 'react';
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import { Pressable, StyleSheet, Text, View } from 'react-native';
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// Catch render errors anywhere below this boundary and show a readable
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// fallback. Without it, a thrown error during render produces a white
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// screen on TestFlight / production builds with no way for the user to
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// recover short of force-closing the app. Mounted once at the top of
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// app/_layout.tsx so it wraps every screen.
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interface Props {
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children: React.ReactNode;
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}
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interface State {
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error: Error | null;
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}
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export class ErrorBoundary extends React.Component<Props, State> {
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state: State = { error: null };
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static getDerivedStateFromError(error: Error): State {
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return { error };
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}
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componentDidCatch(error: Error, info: React.ErrorInfo): void {
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// Bubble to Metro/console in dev so the redbox still shows; in prod
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// builds this is the only place an exception trace surfaces.
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console.error('[ErrorBoundary] caught render error', error, info.componentStack);
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}
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reset = (): void => {
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this.setState({ error: null });
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};
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render(): React.ReactNode {
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if (this.state.error) {
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return (
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<View style={styles.container}>
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<Text style={styles.title}>Etwas ist schiefgelaufen</Text>
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<Text style={styles.message}>{this.state.error.message}</Text>
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<Pressable style={styles.button} onPress={this.reset}>
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<Text style={styles.buttonText}>Erneut versuchen</Text>
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</Pressable>
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</View>
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);
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}
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return this.props.children;
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}
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}
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const styles = StyleSheet.create({
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container: {
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flex: 1,
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alignItems: 'center',
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justifyContent: 'center',
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backgroundColor: '#0b0b0f',
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padding: 24,
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},
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title: { color: '#fff', fontSize: 22, fontWeight: '600', marginBottom: 8 },
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message: { color: '#9ca3af', textAlign: 'center', marginBottom: 24 },
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button: {
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backgroundColor: '#5865f2',
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paddingHorizontal: 20,
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paddingVertical: 12,
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borderRadius: 10,
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},
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buttonText: { color: '#fff', fontWeight: '600' },
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});
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