1  /**
 2   * storage-adapter.js
 3   *
 4   * Polyfills window.storage so VIILegio.jsx works identically on:
 5   *   - Expo Web   → uses the real window.storage (artifact storage API)
 6   *   - iOS/Android → uses AsyncStorage
 7   *
 8   * Import this file ONCE at the top of App.js before anything else.
 9   */
10  
11  import { Platform } from "react-native";
12  
13  // Only patch on native — web already has window.storage from the artifact host
14  if (Platform.OS !== "web") {
15    const AsyncStorage = require("@react-native-async-storage/async-storage").default;
16  
17    const nativeStorage = {
18      async get(key) {
19        try {
20          const value = await AsyncStorage.getItem(key);
21          if (value === null) throw new Error("Key not found");
22          return { key, value, shared: false };
23        } catch (e) {
24          throw e;
25        }
26      },
27  
28      async set(key, value, shared = false) {
29        try {
30          const serialized = typeof value === "string" ? value : JSON.stringify(value);
31          await AsyncStorage.setItem(key, serialized);
32          return { key, value: serialized, shared };
33        } catch (e) {
34          return null;
35        }
36      },
37  
38      async delete(key) {
39        try {
40          await AsyncStorage.removeItem(key);
41          return { key, deleted: true, shared: false };
42        } catch {
43          return null;
44        }
45      },
46  
47      async list(prefix = "", shared = false) {
48        try {
49          const allKeys = await AsyncStorage.getAllKeys();
50          const keys = prefix
51            ? allKeys.filter((k) => k.startsWith(prefix))
52            : allKeys;
53          return { keys, prefix, shared };
54        } catch {
55          return { keys: [], prefix, shared };
56        }
57      },
58    };
59  
60    // Inject into global so window.storage calls in VIILegio work unchanged
61    if (typeof global !== "undefined") {
62      global.window = global.window || {};
63      global.window.storage = nativeStorage;
64    }
65  }