EphemeralSecureStore.js

import * as SecureStore from 'expo-secure-store';
import AsyncStorage from '@react-native-async-storage/async-storage';

class EphemeralSecureStore {
    static prefix = "EphemeralSecureStore";
    
    static getEphemeralKey(key) {
        return `${this.prefix}_${key}`;
    }
    
    static async setItemAsync(key, value, options) {
        await SecureStore.setItemAsync(key, value, options);
        await AsyncStorage.setItem(this.getEphemeralKey(key), 'exists');
    }

    static async getItemAsync(key, options) {
        const value = await SecureStore.getItemAsync(key, options);
        const asyncStoreValue = await AsyncStorage.getItem(this.getEphemeralKey(key));

        // If the key does not exist in AsyncStorage, clear it from SecureStore
        if (!asyncStoreValue) {
            await SecureStore.deleteItemAsync(key);
            return null;
        }

        return value;
    }

    static async deleteItemAsync(key, options) {
        await SecureStore.deleteItemAsync(key, options);
        await AsyncStorage.removeItem(this.getEphemeralKey(key));
    }
}

export default EphemeralSecureStore;