feat: add expo example

.eslintrc.js

@@ -0,0 +1,19 @@
+module.exports = {
+  root: true,
+  extends: ['@react-native', 'prettier'],
+  plugins: ['prettier'],
+  rules: {
+    'react/react-in-jsx-scope': 'off',
+    'prettier/prettier': [
+      'error',
+      {
+        quoteProps: 'consistent',
+        singleQuote: true,
+        tabWidth: 2,
+        trailingComma: 'es5',
+        useTabs: false,
+      },
+    ],
+  },
+  ignorePatterns: ['**/lib/**', '**/dist/**', '**/node_modules/**'],
+};

.github/workflows/ci.yml

@@ -50,6 +50,9 @@ jobs:
       - name: Setup
         uses: ./.github/actions/setup
 
+      - name: Build package
+        run: yarn prepare
+
       - name: Cache turborepo for Android
         uses: actions/cache@v3
         with:
@@ -106,6 +109,9 @@ jobs:
       - name: Setup
         uses: ./.github/actions/setup
 
+      - name: Build package
+        run: yarn prepare
+
       - name: Cache turborepo for Android new arch
         uses: actions/cache@v3
         with:
@@ -162,6 +168,9 @@ jobs:
       - name: Setup
         uses: ./.github/actions/setup
 
+      - name: Build package
+        run: yarn prepare
+
       - name: Cache turborepo for iOS
         uses: actions/cache@v3
         with:
@@ -202,6 +211,9 @@ jobs:
       - name: Setup
         uses: ./.github/actions/setup
 
+      - name: Build package
+        run: yarn prepare
+
       - name: Cache turborepo for iOS
         uses: actions/cache@v3
         with:
@@ -230,3 +242,97 @@ jobs:
       - name: Build example for iOS
         run: |
           yarn turbo run build:ios --cache-dir="${{ env.TURBO_CACHE_DIR }}"
+
+  build-ios-expo:
+    runs-on: macos-15
+    env:
+      TURBO_CACHE_DIR: .turbo/expo-ios
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Setup
+        uses: ./.github/actions/setup
+
+      - name: Build package
+        run: yarn prepare
+
+      - name: Cache turborepo for iOS
+        uses: actions/cache@v3
+        with:
+          path: ${{ env.TURBO_CACHE_DIR }}
+          key: ${{ runner.os }}-turborepo-expo-ios-${{ hashFiles('yarn.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-turborepo-expo-ios-
+
+      - name: Check turborepo cache for iOS
+        run: |
+          TURBO_CACHE_STATUS=$(node -p "($(yarn turbo run build:ios-expo --cache-dir="${{ env.TURBO_CACHE_DIR }}" --dry=json)).tasks.find(t => t.task === 'build:ios-expo').cache.status")
+
+          if [[ $TURBO_CACHE_STATUS == "HIT" ]]; then
+            echo "turbo_cache_hit=1" >> $GITHUB_ENV
+          fi
+
+      - name: Build example for iOS
+        run: |
+          yarn turbo run build:ios-expo --cache-dir="${{ env.TURBO_CACHE_DIR }}"
+
+
+  build-android-expo:
+    runs-on: ubuntu-latest
+    env:
+      TURBO_CACHE_DIR: .turbo/android
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Setup
+        uses: ./.github/actions/setup
+
+      - name: Build package
+        run: yarn prepare
+
+      - name: Cache turborepo for Android
+        uses: actions/cache@v3
+        with:
+          path: ${{ env.TURBO_CACHE_DIR }}
+          key: ${{ runner.os }}-turborepo-expo-android-${{ hashFiles('yarn.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-turborepo-expo-android-
+
+      - name: Check turborepo cache for Android
+        run: |
+          TURBO_CACHE_STATUS=$(node -p "($(yarn turbo run build:android-expo --cache-dir="${{ env.TURBO_CACHE_DIR }}" --dry=json)).tasks.find(t => t.task === 'build:android-expo').cache.status")
+
+          if [[ $TURBO_CACHE_STATUS == "HIT" ]]; then
+            echo "turbo_cache_hit=1" >> $GITHUB_ENV
+          fi
+
+      - name: Install JDK
+        if: env.turbo_cache_hit != 1
+        uses: actions/setup-java@v3
+        with:
+          distribution: 'zulu'
+          java-version: '17'
+
+      - name: Finalize Android SDK
+        if: env.turbo_cache_hit != 1
+        run: |
+          /bin/bash -c "yes | $ANDROID_HOME/cmdline-tools/latest/bin/sdkmanager --licenses > /dev/null"
+
+      - name: Cache Gradle
+        if: env.turbo_cache_hit != 1
+        uses: actions/cache@v3
+        with:
+          path: |
+            ~/.gradle/wrapper
+            ~/.gradle/caches
+          key: ${{ runner.os }}-gradle-${{ hashFiles('apps/example/android/gradle/wrapper/gradle-wrapper.properties') }}
+          restore-keys: |
+            ${{ runner.os }}-gradle-
+
+      - name: Build example for Android
+        env:
+          JAVA_OPTS: "-XX:MaxHeapSize=6g"
+        run: |
+          yarn turbo run build:android-expo --cache-dir="${{ env.TURBO_CACHE_DIR }}"

.yarnrc.yml

@@ -1,5 +1,4 @@
 nodeLinker: node-modules
-nmHoistingLimits: workspaces
 
 plugins:
   - path: .yarn/plugins/@yarnpkg/plugin-interactive-tools.cjs

apps/example-expo/.gitignore

@@ -0,0 +1,40 @@
+# Learn more https://docs.github.com/en/get-started/getting-started-with-git/ignoring-files
+
+# dependencies
+node_modules/
+
+# Expo
+.expo/
+dist/
+web-build/
+expo-env.d.ts
+android
+ios
+
+# Native
+*.orig.*
+*.jks
+*.p8
+*.p12
+*.key
+*.mobileprovision
+
+# Metro
+.metro-health-check*
+
+# debug
+npm-debug.*
+yarn-debug.*
+yarn-error.*
+
+# macOS
+.DS_Store
+*.pem
+
+# local env files
+.env*.local
+
+# typescript
+*.tsbuildinfo
+
+app-example

apps/example-expo/app.json

@@ -0,0 +1,53 @@
+{
+  "expo": {
+    "name": "bottom-tabs",
+    "slug": "bottom-tabs",
+    "version": "1.0.0",
+    "orientation": "portrait",
+    "icon": "./assets/images/icon.png",
+    "scheme": "myapp",
+    "userInterfaceStyle": "automatic",
+    "ios": {
+      "supportsTablet": true,
+      "bundleIdentifier": "com.anonymous.bottomtabs"
+    },
+    "android": {
+      "adaptiveIcon": {
+        "foregroundImage": "./assets/images/adaptive-icon.png",
+        "backgroundColor": "#ffffff"
+      },
+      "package": "com.anonymous.bottomtabs"
+    },
+    "web": {
+      "bundler": "metro",
+      "output": "static",
+      "favicon": "./assets/images/favicon.png"
+    },
+    "plugins": [
+      "expo-router",
+      "react-native-bottom-tabs",
+      [
+        "expo-splash-screen",
+        {
+          "image": "./assets/images/splash-icon.png",
+          "imageWidth": 200,
+          "resizeMode": "contain",
+          "backgroundColor": "#ffffff"
+        }
+      ],
+      [
+        "expo-build-properties",
+        {
+          "ios": {
+            "deploymentTarget": "14.0",
+            "useFrameworks": "static"
+          }
+        }
+      ],
+      "expo-font"
+    ],
+    "experiments": {
+      "typedRoutes": true
+    }
+  }
+}

apps/example-expo/app/(tabs)/_layout.tsx

@@ -0,0 +1,29 @@
+import React from 'react';
+
+import { withLayoutContext } from 'expo-router';
+import createNativeBottomTabNavigator from '../../../../packages/react-native-bottom-tabs/src/react-navigation/navigators/createNativeBottomTabNavigator';
+
+const Tabs = withLayoutContext(createNativeBottomTabNavigator().Navigator);
+
+function TabLayout() {
+  return (
+    <Tabs>
+      <Tabs.Screen
+        name="index"
+        options={{
+          title: 'Home',
+          tabBarIcon: () => ({ sfSymbol: 'house.fill' }),
+        }}
+      />
+      <Tabs.Screen
+        name="explore"
+        options={{
+          title: 'Explore',
+          tabBarIcon: () => ({ sfSymbol: 'house.fill' }),
+        }}
+      />
+    </Tabs>
+  );
+}
+
+export default TabLayout;

apps/example-expo/app/(tabs)/explore.tsx

@@ -0,0 +1,96 @@
+import { StyleSheet, Image } from 'react-native';
+
+import { Collapsible } from '@/components/Collapsible';
+import { ExternalLink } from '@/components/ExternalLink';
+import { ThemedText } from '@/components/ThemedText';
+import { ThemedView } from '@/components/ThemedView';
+import { ScrollView } from 'react-native-gesture-handler';
+
+function TabTwoScreen() {
+  return (
+    <ScrollView>
+      <ThemedView style={styles.titleContainer}>
+        <ThemedText type="title">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={{ alignSelf: 'center' }}
+        />
+        <ExternalLink href="https://reactnative.dev/docs/images">
+          <ThemedText type="link">Learn more</ThemedText>
+        </ExternalLink>
+      </Collapsible>
+      <Collapsible title="Custom fonts">
+        <ThemedText>
+          Open <ThemedText type="defaultSemiBold">app/_layout.tsx</ThemedText>{' '}
+          to see how to load{' '}
+          <ThemedText style={{ fontFamily: 'SpaceMono' }}>
+            custom fonts such as this one.
+          </ThemedText>
+        </ThemedText>
+        <ExternalLink href="https://docs.expo.dev/versions/latest/sdk/font">
+          <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'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>
+    </ScrollView>
+  );
+}
+
+const styles = StyleSheet.create({
+  headerImage: {
+    color: '#808080',
+    bottom: -90,
+    left: -35,
+    position: 'absolute',
+  },
+  titleContainer: {
+    flexDirection: 'row',
+    gap: 8,
+  },
+});
+
+export default TabTwoScreen;