Skriv Deres første config plugin

const { withInfoPlist } = require('@expo/config-plugins');

module.exports = function withAppTrackingPermission(config) {
  return withInfoPlist(config, (iosConfig) => {
    // modResults is the parsed Info.plist dictionary
    const plist = iosConfig.modResults;

    // Add multiple keys at once
    plist['NSUserTrackingUsageDescription'] =
      'We use tracking to improve your ad experience.';
    plist['ITSAppUsesNonExemptEncryption'] = false;

    return iosConfig;
  });
};

const { withAndroidManifest, AndroidConfig } = require('@expo/config-plugins');
const { addUsesPermission } = AndroidConfig.Permissions;

module.exports = function withBluetoothPermissions(config) {
  return withAndroidManifest(config, (androidConfig) => {
    const manifest = androidConfig.modResults;

    // Add multiple permissions
    addUsesPermission(manifest, 'android.permission.BLUETOOTH');
    addUsesPermission(manifest, 'android.permission.BLUETOOTH_ADMIN');
    addUsesPermission(manifest, 'android.permission.BLUETOOTH_SCAN');

    return androidConfig;
  });
};

# Test the plugin
npx expo prebuild --clean --platform ios

# Verify the change in Info.plist
plutil -p ios/MyApp/Info.plist | grep -A1 Camera
# Output:
#   "NSCameraUsageDescription" => "Scan QR codes."

# For Android
cat android/app/src/main/AndroidManifest.xml | grep BLUETOOTH

const { withDangerousMod } = require('@expo/config-plugins');
const path = require('path');
const fs = require('fs');

module.exports = function withGoogleServicesJson(config) {
  return withDangerousMod(config, [
    'android',
    async (dangerousConfig) => {
      const projectRoot = dangerousConfig.modRequest.projectRoot;
      const src = path.join(projectRoot, 'google-services.json');
      const dest = path.join(projectRoot, 'android', 'app', 'google-services.json');

      if (!fs.existsSync(src)) {
        throw new Error('google-services.json not found in project root');
      }
      fs.copyFileSync(src, dest);
      return dangerousConfig;
    },
  ]);
};

module.exports = function withAppMetadata(config) {
  const appName = config.name;
  const bundleId = config.ios?.bundleIdentifier;
  const version = config.version;

  return withInfoPlist(config, (iosConfig) => {
    iosConfig.modResults['CFBundleDisplayName'] = appName;
    // Log for debugging during prebuild
    console.log(
      '[withAppMetadata] Setting display name to:', appName,
      'for bundle:', bundleId, 'v' + version
    );
    return iosConfig;
  });
};

const { withAppBuildGradle } = require('@expo/config-plugins');

module.exports = function withGooglePlayServicesPlugin(config) {
  return withAppBuildGradle(config, (gradleConfig) => {
    const contents = gradleConfig.modResults.contents;

    // Add google-services plugin if not already present
    if (!contents.includes('com.google.gms.google-services')) {
      gradleConfig.modResults.contents = contents.replace(
        'apply plugin: "com.android.application"',
        'apply plugin: "com.android.application"\napply plugin: "com.google.gms.google-services"'
      );
    }
    return gradleConfig;
  });
};

const { withXcodeProject } = require('@expo/config-plugins');

module.exports = function withRunScript(config) {
  return withXcodeProject(config, (xcode) => {
    const project = xcode.modResults;
    const target = project.getFirstTarget().uuid;

    // Add a run script build phase
    project.addBuildPhase(
      [],
      'PBXShellScriptBuildPhase',
      'Bundle React Native code and images',
      target,
      { shellPath: '/bin/sh', shellScript: 'echo Running custom script' }
    );

    return xcode;
  });
};

const { withEntitlementsPlist } = require('@expo/config-plugins');

module.exports = function withPushNotifications(config) {
  return withEntitlementsPlist(config, (iosConfig) => {
    const entitlements = iosConfig.modResults;

    // Enable push notifications capability
    entitlements['aps-environment'] = 'production';

    // App Groups for sharing data with extensions
    if (!entitlements['com.apple.security.application-groups']) {
      entitlements['com.apple.security.application-groups'] = [];
    }
    entitlements['com.apple.security.application-groups'].push(
      'group.com.yourapp.shared'
    );

    return iosConfig;
  });
};

const {
  withInfoPlist,
  withAndroidManifest,
  withEntitlementsPlist,
  AndroidConfig,
} = require('@expo/config-plugins');

module.exports = function withPaymentSDK(config, opts = {}) {
  if (!opts.merchantId) {
    throw new Error('withPaymentSDK requires a merchantId option.');
  }

  // iOS
  config = withInfoPlist(config, (c) => {
    c.modResults['PaymentMerchantId'] = opts.merchantId;
    return c;
  });

  config = withEntitlementsPlist(config, (c) => {
    c.modResults['com.apple.developer.in-app-payments'] = [opts.merchantId];
    return c;
  });

  // Android
  config = withAndroidManifest(config, (c) => {
    AndroidConfig.Permissions.addUsesPermission(
      c.modResults, 'android.permission.INTERNET'
    );
    return c;
  });

  return config;
};