import Constants from 'expo-constants'; const extra = (Constants.expoConfig?.extra ?? {}) as Record; function required(key: string): string { const value = extra[key]; if (!value) throw new Error(`Missing "${key}" in app.json extra`); return value; } export const appConfig = { apiUrl: required('apiUrl'), cognitoDomain: required('cognitoDomain'), cognitoClientId: required('cognitoClientId'), iosMonthlyProductId: required('iosMonthlyProductId'), iosYearlyProductId: required('iosYearlyProductId'), androidMonthlyProductId: required('androidMonthlyProductId'), androidYearlyProductId: required('androidYearlyProductId'), };