Move to monorepo for React Native!

This commit is contained in:
2025-09-12 16:44:21 -05:00
parent 4cafc11422
commit b1eae564be
144 changed files with 2535 additions and 311 deletions

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import { Tabs } from 'expo-router';
import React from 'react';
import { HapticTab } from '@/components/haptic-tab';
import { IconSymbol } from '@/components/ui/icon-symbol';
import { Colors } from '@/constants/theme';
import { useColorScheme } from '@/hooks/use-color-scheme';
export default function TabLayout() {
const colorScheme = useColorScheme();
return (
<Tabs
screenOptions={{
tabBarActiveTintColor: Colors[colorScheme ?? 'light'].tint,
headerShown: false,
tabBarButton: HapticTab,
}}>
<Tabs.Screen
name="index"
options={{
title: 'Home',
tabBarIcon: ({ color }) => <IconSymbol size={28} name="house.fill" color={color} />,
}}
/>
<Tabs.Screen
name="explore"
options={{
title: 'Explore',
tabBarIcon: ({ color }) => <IconSymbol size={28} name="paperplane.fill" color={color} />,
}}
/>
</Tabs>
);
}

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import { Image } from 'expo-image';
import { Platform, StyleSheet } from 'react-native';
import { Collapsible } from '@/components/ui/collapsible';
import { ExternalLink } from '@/components/external-link';
import ParallaxScrollView from '@/components/parallax-scroll-view';
import { ThemedText } from '@/components/themed-text';
import { ThemedView } from '@/components/themed-view';
import { IconSymbol } from '@/components/ui/icon-symbol';
import { Fonts } from '@/constants/theme';
export default function TabTwoScreen() {
return (
<ParallaxScrollView
headerBackgroundColor={{ light: '#D0D0D0', dark: '#353636' }}
headerImage={
<IconSymbol
size={310}
color="#808080"
name="chevron.left.forwardslash.chevron.right"
style={styles.headerImage}
/>
}>
<ThemedView style={styles.titleContainer}>
<ThemedText
type="title"
style={{
fontFamily: Fonts.rounded,
}}>
Explore
</ThemedText>
</ThemedView>
<ThemedText>This app includes example code to help you get started.</ThemedText>
<Collapsible title="File-based routing">
<ThemedText>
This app has two screens:{' '}
<ThemedText type="defaultSemiBold">app/(tabs)/index.tsx</ThemedText> and{' '}
<ThemedText type="defaultSemiBold">app/(tabs)/explore.tsx</ThemedText>
</ThemedText>
<ThemedText>
The layout file in <ThemedText type="defaultSemiBold">app/(tabs)/_layout.tsx</ThemedText>{' '}
sets up the tab navigator.
</ThemedText>
<ExternalLink href="https://docs.expo.dev/router/introduction">
<ThemedText type="link">Learn more</ThemedText>
</ExternalLink>
</Collapsible>
<Collapsible title="Android, iOS, and web support">
<ThemedText>
You can open this project on Android, iOS, and the web. To open the web version, press{' '}
<ThemedText type="defaultSemiBold">w</ThemedText> in the terminal running this project.
</ThemedText>
</Collapsible>
<Collapsible title="Images">
<ThemedText>
For static images, you can use the <ThemedText type="defaultSemiBold">@2x</ThemedText> and{' '}
<ThemedText type="defaultSemiBold">@3x</ThemedText> suffixes to provide files for
different screen densities
</ThemedText>
<Image
source={require('@/assets/images/react-logo.png')}
style={{ width: 100, height: 100, alignSelf: 'center' }}
/>
<ExternalLink href="https://reactnative.dev/docs/images">
<ThemedText type="link">Learn more</ThemedText>
</ExternalLink>
</Collapsible>
<Collapsible title="Light and dark mode components">
<ThemedText>
This template has light and dark mode support. The{' '}
<ThemedText type="defaultSemiBold">useColorScheme()</ThemedText> hook lets you inspect
what the user&apos;s current color scheme is, and so you can adjust UI colors accordingly.
</ThemedText>
<ExternalLink href="https://docs.expo.dev/develop/user-interface/color-themes/">
<ThemedText type="link">Learn more</ThemedText>
</ExternalLink>
</Collapsible>
<Collapsible title="Animations">
<ThemedText>
This template includes an example of an animated component. The{' '}
<ThemedText type="defaultSemiBold">components/HelloWave.tsx</ThemedText> component uses
the powerful{' '}
<ThemedText type="defaultSemiBold" style={{ fontFamily: Fonts.mono }}>
react-native-reanimated
</ThemedText>{' '}
library to create a waving hand animation.
</ThemedText>
{Platform.select({
ios: (
<ThemedText>
The <ThemedText type="defaultSemiBold">components/ParallaxScrollView.tsx</ThemedText>{' '}
component provides a parallax effect for the header image.
</ThemedText>
),
})}
</Collapsible>
</ParallaxScrollView>
);
}
const styles = StyleSheet.create({
headerImage: {
color: '#808080',
bottom: -90,
left: -35,
position: 'absolute',
},
titleContainer: {
flexDirection: 'row',
gap: 8,
},
});

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import { Image } from 'expo-image';
import { Platform, StyleSheet } from 'react-native';
import { HelloWave } from '@/components/hello-wave';
import ParallaxScrollView from '@/components/parallax-scroll-view';
import { ThemedText } from '@/components/themed-text';
import { ThemedView } from '@/components/themed-view';
import { Link } from 'expo-router';
export default function HomeScreen() {
return (
<ParallaxScrollView
headerBackgroundColor={{ light: '#A1CEDC', dark: '#1D3D47' }}
headerImage={
<Image
source={require('@/assets/images/partial-react-logo.png')}
style={styles.reactLogo}
/>
}>
<ThemedView style={styles.titleContainer}>
<ThemedText type="title">Welcome!</ThemedText>
<HelloWave />
</ThemedView>
<ThemedView style={styles.stepContainer}>
<ThemedText type="subtitle">Step 1: Try it</ThemedText>
<ThemedText>
Edit <ThemedText type="defaultSemiBold">app/(tabs)/index.tsx</ThemedText> to see changes.
Press{' '}
<ThemedText type="defaultSemiBold">
{Platform.select({
ios: 'cmd + d',
android: 'cmd + m',
web: 'F12',
})}
</ThemedText>{' '}
to open developer tools.
</ThemedText>
</ThemedView>
<ThemedView style={styles.stepContainer}>
<Link href="/modal">
<Link.Trigger>
<ThemedText type="subtitle">Step 2: Explore</ThemedText>
</Link.Trigger>
<Link.Preview />
<Link.Menu>
<Link.MenuAction title="Action" icon="cube" onPress={() => alert('Action pressed')} />
<Link.MenuAction
title="Share"
icon="square.and.arrow.up"
onPress={() => alert('Share pressed')}
/>
<Link.Menu title="More" icon="ellipsis">
<Link.MenuAction
title="Delete"
icon="trash"
destructive
onPress={() => alert('Delete pressed')}
/>
</Link.Menu>
</Link.Menu>
</Link>
<ThemedText>
{`Tap the Explore tab to learn more about what's included in this starter app.`}
</ThemedText>
</ThemedView>
<ThemedView style={styles.stepContainer}>
<ThemedText type="subtitle">Step 3: Get a fresh start</ThemedText>
<ThemedText>
{`When you're ready, run `}
<ThemedText type="defaultSemiBold">npm run reset-project</ThemedText> to get a fresh{' '}
<ThemedText type="defaultSemiBold">app</ThemedText> directory. This will move the current{' '}
<ThemedText type="defaultSemiBold">app</ThemedText> to{' '}
<ThemedText type="defaultSemiBold">app-example</ThemedText>.
</ThemedText>
</ThemedView>
</ParallaxScrollView>
);
}
const styles = StyleSheet.create({
titleContainer: {
flexDirection: 'row',
alignItems: 'center',
gap: 8,
},
stepContainer: {
gap: 8,
marginBottom: 8,
},
reactLogo: {
height: 178,
width: 290,
bottom: 0,
left: 0,
position: 'absolute',
},
});

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import { DarkTheme, DefaultTheme, ThemeProvider } from '@react-navigation/native';
import { Stack } from 'expo-router';
import { StatusBar } from 'expo-status-bar';
import 'react-native-reanimated';
import { useColorScheme } from '@/hooks/use-color-scheme';
export const unstable_settings = {
anchor: '(tabs)',
};
export default function RootLayout() {
const colorScheme = useColorScheme();
return (
<ThemeProvider value={colorScheme === 'dark' ? DarkTheme : DefaultTheme}>
<Stack>
<Stack.Screen name="(tabs)" options={{ headerShown: false }} />
<Stack.Screen name="modal" options={{ presentation: 'modal', title: 'Modal' }} />
</Stack>
<StatusBar style="auto" />
</ThemeProvider>
);
}

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import { Link } from 'expo-router';
import { StyleSheet } from 'react-native';
import { ThemedText } from '@/components/themed-text';
import { ThemedView } from '@/components/themed-view';
export default function ModalScreen() {
return (
<ThemedView style={styles.container}>
<ThemedText type="title">This is a modal</ThemedText>
<Link href="/" dismissTo style={styles.link}>
<ThemedText type="link">Go to home screen</ThemedText>
</Link>
</ThemedView>
);
}
const styles = StyleSheet.create({
container: {
flex: 1,
alignItems: 'center',
justifyContent: 'center',
padding: 20,
},
link: {
marginTop: 15,
paddingVertical: 15,
},
});

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import { Href, Link } from 'expo-router';
import { openBrowserAsync, WebBrowserPresentationStyle } from 'expo-web-browser';
import { type ComponentProps } from 'react';
type Props = Omit<ComponentProps<typeof Link>, 'href'> & { href: Href & string };
export function ExternalLink({ href, ...rest }: Props) {
return (
<Link
target="_blank"
{...rest}
href={href}
onPress={async (event) => {
if (process.env.EXPO_OS !== 'web') {
// Prevent the default behavior of linking to the default browser on native.
event.preventDefault();
// Open the link in an in-app browser.
await openBrowserAsync(href, {
presentationStyle: WebBrowserPresentationStyle.AUTOMATIC,
});
}
}}
/>
);
}

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import { BottomTabBarButtonProps } from '@react-navigation/bottom-tabs';
import { PlatformPressable } from '@react-navigation/elements';
import * as Haptics from 'expo-haptics';
export function HapticTab(props: BottomTabBarButtonProps) {
return (
<PlatformPressable
{...props}
onPressIn={(ev) => {
if (process.env.EXPO_OS === 'ios') {
// Add a soft haptic feedback when pressing down on the tabs.
Haptics.impactAsync(Haptics.ImpactFeedbackStyle.Light);
}
props.onPressIn?.(ev);
}}
/>
);
}

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import Animated from 'react-native-reanimated';
export function HelloWave() {
return (
<Animated.Text
style={{
fontSize: 28,
lineHeight: 32,
marginTop: -6,
animationName: {
'50%': { transform: [{ rotate: '25deg' }] },
},
animationIterationCount: 4,
animationDuration: '300ms',
}}>
👋
</Animated.Text>
);
}

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import type { PropsWithChildren, ReactElement } from 'react';
import { StyleSheet } from 'react-native';
import Animated, {
interpolate,
useAnimatedRef,
useAnimatedStyle,
useScrollOffset,
} from 'react-native-reanimated';
import { ThemedView } from '@/components/themed-view';
import { useColorScheme } from '@/hooks/use-color-scheme';
import { useThemeColor } from '@/hooks/use-theme-color';
const HEADER_HEIGHT = 250;
type Props = PropsWithChildren<{
headerImage: ReactElement;
headerBackgroundColor: { dark: string; light: string };
}>;
export default function ParallaxScrollView({
children,
headerImage,
headerBackgroundColor,
}: Props) {
const backgroundColor = useThemeColor({}, 'background');
const colorScheme = useColorScheme() ?? 'light';
const scrollRef = useAnimatedRef<Animated.ScrollView>();
const scrollOffset = useScrollOffset(scrollRef);
const headerAnimatedStyle = useAnimatedStyle(() => {
return {
transform: [
{
translateY: interpolate(
scrollOffset.value,
[-HEADER_HEIGHT, 0, HEADER_HEIGHT],
[-HEADER_HEIGHT / 2, 0, HEADER_HEIGHT * 0.75]
),
},
{
scale: interpolate(scrollOffset.value, [-HEADER_HEIGHT, 0, HEADER_HEIGHT], [2, 1, 1]),
},
],
};
});
return (
<Animated.ScrollView
ref={scrollRef}
style={{ backgroundColor, flex: 1 }}
scrollEventThrottle={16}>
<Animated.View
style={[
styles.header,
{ backgroundColor: headerBackgroundColor[colorScheme] },
headerAnimatedStyle,
]}>
{headerImage}
</Animated.View>
<ThemedView style={styles.content}>{children}</ThemedView>
</Animated.ScrollView>
);
}
const styles = StyleSheet.create({
container: {
flex: 1,
},
header: {
height: HEADER_HEIGHT,
overflow: 'hidden',
},
content: {
flex: 1,
padding: 32,
gap: 16,
overflow: 'hidden',
},
});

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import { StyleSheet, Text, type TextProps } from 'react-native';
import { useThemeColor } from '@/hooks/use-theme-color';
export type ThemedTextProps = TextProps & {
lightColor?: string;
darkColor?: string;
type?: 'default' | 'title' | 'defaultSemiBold' | 'subtitle' | 'link';
};
export function ThemedText({
style,
lightColor,
darkColor,
type = 'default',
...rest
}: ThemedTextProps) {
const color = useThemeColor({ light: lightColor, dark: darkColor }, 'text');
return (
<Text
style={[
{ color },
type === 'default' ? styles.default : undefined,
type === 'title' ? styles.title : undefined,
type === 'defaultSemiBold' ? styles.defaultSemiBold : undefined,
type === 'subtitle' ? styles.subtitle : undefined,
type === 'link' ? styles.link : undefined,
style,
]}
{...rest}
/>
);
}
const styles = StyleSheet.create({
default: {
fontSize: 16,
lineHeight: 24,
},
defaultSemiBold: {
fontSize: 16,
lineHeight: 24,
fontWeight: '600',
},
title: {
fontSize: 32,
fontWeight: 'bold',
lineHeight: 32,
},
subtitle: {
fontSize: 20,
fontWeight: 'bold',
},
link: {
lineHeight: 30,
fontSize: 16,
color: '#0a7ea4',
},
});

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import { View, type ViewProps } from 'react-native';
import { useThemeColor } from '@/hooks/use-theme-color';
export type ThemedViewProps = ViewProps & {
lightColor?: string;
darkColor?: string;
};
export function ThemedView({ style, lightColor, darkColor, ...otherProps }: ThemedViewProps) {
const backgroundColor = useThemeColor({ light: lightColor, dark: darkColor }, 'background');
return <View style={[{ backgroundColor }, style]} {...otherProps} />;
}

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import { PropsWithChildren, useState } from 'react';
import { StyleSheet, TouchableOpacity } from 'react-native';
import { ThemedText } from '@/components/themed-text';
import { ThemedView } from '@/components/themed-view';
import { IconSymbol } from '@/components/ui/icon-symbol';
import { Colors } from '@/constants/theme';
import { useColorScheme } from '@/hooks/use-color-scheme';
export function Collapsible({ children, title }: PropsWithChildren & { title: string }) {
const [isOpen, setIsOpen] = useState(false);
const theme = useColorScheme() ?? 'light';
return (
<ThemedView>
<TouchableOpacity
style={styles.heading}
onPress={() => setIsOpen((value) => !value)}
activeOpacity={0.8}>
<IconSymbol
name="chevron.right"
size={18}
weight="medium"
color={theme === 'light' ? Colors.light.icon : Colors.dark.icon}
style={{ transform: [{ rotate: isOpen ? '90deg' : '0deg' }] }}
/>
<ThemedText type="defaultSemiBold">{title}</ThemedText>
</TouchableOpacity>
{isOpen && <ThemedView style={styles.content}>{children}</ThemedView>}
</ThemedView>
);
}
const styles = StyleSheet.create({
heading: {
flexDirection: 'row',
alignItems: 'center',
gap: 6,
},
content: {
marginTop: 6,
marginLeft: 24,
},
});

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import { SymbolView, SymbolViewProps, SymbolWeight } from 'expo-symbols';
import { StyleProp, ViewStyle } from 'react-native';
export function IconSymbol({
name,
size = 24,
color,
style,
weight = 'regular',
}: {
name: SymbolViewProps['name'];
size?: number;
color: string;
style?: StyleProp<ViewStyle>;
weight?: SymbolWeight;
}) {
return (
<SymbolView
weight={weight}
tintColor={color}
resizeMode="scaleAspectFit"
name={name}
style={[
{
width: size,
height: size,
},
style,
]}
/>
);
}

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// Fallback for using MaterialIcons on Android and web.
import MaterialIcons from '@expo/vector-icons/MaterialIcons';
import { SymbolWeight, SymbolViewProps } from 'expo-symbols';
import { ComponentProps } from 'react';
import { OpaqueColorValue, type StyleProp, type TextStyle } from 'react-native';
type IconMapping = Record<SymbolViewProps['name'], ComponentProps<typeof MaterialIcons>['name']>;
type IconSymbolName = keyof typeof MAPPING;
/**
* Add your SF Symbols to Material Icons mappings here.
* - see Material Icons in the [Icons Directory](https://icons.expo.fyi).
* - see SF Symbols in the [SF Symbols](https://developer.apple.com/sf-symbols/) app.
*/
const MAPPING = {
'house.fill': 'home',
'paperplane.fill': 'send',
'chevron.left.forwardslash.chevron.right': 'code',
'chevron.right': 'chevron-right',
} as IconMapping;
/**
* An icon component that uses native SF Symbols on iOS, and Material Icons on Android and web.
* This ensures a consistent look across platforms, and optimal resource usage.
* Icon `name`s are based on SF Symbols and require manual mapping to Material Icons.
*/
export function IconSymbol({
name,
size = 24,
color,
style,
}: {
name: IconSymbolName;
size?: number;
color: string | OpaqueColorValue;
style?: StyleProp<TextStyle>;
weight?: SymbolWeight;
}) {
return <MaterialIcons color={color} size={size} name={MAPPING[name]} style={style} />;
}

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/**
* Below are the colors that are used in the app. The colors are defined in the light and dark mode.
* There are many other ways to style your app. For example, [Nativewind](https://www.nativewind.dev/), [Tamagui](https://tamagui.dev/), [unistyles](https://reactnativeunistyles.vercel.app), etc.
*/
import { Platform } from 'react-native';
const tintColorLight = '#0a7ea4';
const tintColorDark = '#fff';
export const Colors = {
light: {
text: '#11181C',
background: '#fff',
tint: tintColorLight,
icon: '#687076',
tabIconDefault: '#687076',
tabIconSelected: tintColorLight,
},
dark: {
text: '#ECEDEE',
background: '#151718',
tint: tintColorDark,
icon: '#9BA1A6',
tabIconDefault: '#9BA1A6',
tabIconSelected: tintColorDark,
},
};
export const Fonts = Platform.select({
ios: {
/** iOS `UIFontDescriptorSystemDesignDefault` */
sans: 'system-ui',
/** iOS `UIFontDescriptorSystemDesignSerif` */
serif: 'ui-serif',
/** iOS `UIFontDescriptorSystemDesignRounded` */
rounded: 'ui-rounded',
/** iOS `UIFontDescriptorSystemDesignMonospaced` */
mono: 'ui-monospace',
},
default: {
sans: 'normal',
serif: 'serif',
rounded: 'normal',
mono: 'monospace',
},
web: {
sans: "system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif",
serif: "Georgia, 'Times New Roman', serif",
rounded: "'SF Pro Rounded', 'Hiragino Maru Gothic ProN', Meiryo, 'MS PGothic', sans-serif",
mono: "SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New', monospace",
},
});

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export { useColorScheme } from 'react-native';

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import { useEffect, useState } from 'react';
import { useColorScheme as useRNColorScheme } from 'react-native';
/**
* To support static rendering, this value needs to be re-calculated on the client side for web
*/
export function useColorScheme() {
const [hasHydrated, setHasHydrated] = useState(false);
useEffect(() => {
setHasHydrated(true);
}, []);
const colorScheme = useRNColorScheme();
if (hasHydrated) {
return colorScheme;
}
return 'light';
}

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/**
* Learn more about light and dark modes:
* https://docs.expo.dev/guides/color-schemes/
*/
import { Colors } from '@/constants/theme';
import { useColorScheme } from '@/hooks/use-color-scheme';
export function useThemeColor(
props: { light?: string; dark?: string },
colorName: keyof typeof Colors.light & keyof typeof Colors.dark
) {
const theme = useColorScheme() ?? 'light';
const colorFromProps = props[theme];
if (colorFromProps) {
return colorFromProps;
} else {
return Colors[theme][colorName];
}
}