Initial commit

Generated by create-expo-app 3.3.0.

utils/storage.ts

@@ -0,0 +1,68 @@
+import AsyncStorage from '@react-native-async-storage/async-storage';
+import * as SecureStore from 'expo-secure-store';
+import { Platform } from 'react-native';
+
+/**
+ * Cross-platform storage utility that works on both web and native platforms.
+ * Uses SecureStore on native platforms and AsyncStorage on web.
+ */
+export const Storage = {
+  /**
+   * Store a value securely
+   */
+  setItem: async (key: string, value: string): Promise<void> => {
+    try {
+      if (Platform.OS === 'web') {
+        await AsyncStorage.setItem(key, value);
+      } else {
+        await SecureStore.setItemAsync(key, value);
+      }
+    } catch (error) {
+      console.error('Error storing value:', error);
+    }
+  },
+
+  /**
+   * Retrieve a stored value
+   */
+  getItem: async (key: string): Promise<string | null> => {
+    try {
+      if (Platform.OS === 'web') {
+        return await AsyncStorage.getItem(key);
+      } else {
+        return await SecureStore.getItemAsync(key);
+      }
+    } catch (error) {
+      console.error('Error retrieving value:', error);
+      return null;
+    }
+  },
+
+  /**
+   * Delete a stored value
+   */
+  deleteItem: async (key: string): Promise<void> => {
+    try {
+      if (Platform.OS === 'web') {
+        await AsyncStorage.removeItem(key);
+      } else {
+        await SecureStore.deleteItemAsync(key);
+      }
+    } catch (error) {
+      console.error('Error deleting value:', error);
+    }
+  },
+
+  /**
+   * Check if a key exists in storage
+   */
+  hasItem: async (key: string): Promise<boolean> => {
+    try {
+      const value = await Storage.getItem(key);
+      return value !== null;
+    } catch (error) {
+      console.error('Error checking for key:', error);
+      return false;
+    }
+  }
+};