fix: add type definition for jest mock (#708)

types/index.d.ts

@@ -1,5 +1,71 @@
 // CREDITS: This types are based on the original work made by all the people who contributed to @types/react-native
 
+interface AsyncStorage {
+  /**
+   * Fetches key and passes the result to callback, along with an Error if there is any.
+   */
+  getItem(key: string, callback?: (error?: Error, result?: string) => void): Promise<string | null>;
+
+  /**
+   * Sets value for key and calls callback on completion, along with an Error if there is any
+   */
+  setItem(key: string, value: string, callback?: (error?: Error) => void): Promise<void>;
+
+  removeItem(key: string, callback?: (error?: Error) => void): Promise<void>;
+
+  /**
+   * Merges existing value with input value, assuming they are stringified json. Returns a Promise object.
+   * Not supported by all native implementation
+   */
+  mergeItem(key: string, value: string, callback?: (error?: Error) => void): Promise<void>;
+
+  /**
+   * Erases all AsyncStorage for all clients, libraries, etc. You probably don't want to call this.
+   * Use removeItem or multiRemove to clear only your own keys instead.
+   */
+  clear(callback?: (error?: Error) => void): Promise<void>;
+
+  /**
+   * Gets all keys known to the app, for all callers, libraries, etc
+   */
+  getAllKeys(callback?: (error?: Error, keys?: string[]) => void): Promise<string[]>;
+
+  /**
+   * multiGet invokes callback with an array of key-value pair arrays that matches the input format of multiSet
+   */
+  multiGet(
+    keys: string[],
+    callback?: (errors?: Error[], result?: [string, string | null][]) => void
+  ): Promise<[string, string | null][]>;
+
+  /**
+   * multiSet and multiMerge take arrays of key-value array pairs that match the output of multiGet,
+   *
+   * multiSet([['k1', 'val1'], ['k2', 'val2']], cb);
+   */
+  multiSet(keyValuePairs: string[][], callback?: (errors?: Error[]) => void): Promise<void>;
+
+  /**
+   * Delete all the keys in the keys array.
+   */
+  multiRemove(keys: string[], callback?: (errors?: Error[]) => void): Promise<void>;
+
+  /**
+   * Merges existing values with input values, assuming they are stringified json.
+   * Returns a Promise object.
+   *
+   * Not supported by all native implementations.
+   */
+  multiMerge(keyValuePairs: string[][], callback?: (errors?: Error[]) => void): Promise<void>;
+}
+
+type AsyncStorageHook = {
+  getItem(callback?: (error?: Error, result?: string) => void): Promise<string | null>;
+  setItem(value: string, callback?: (error?: Error) => void): Promise<void>;
+  mergeItem(value: string, callback?: (error?: Error) => void): Promise<void>;
+  removeItem(callback?: (error?: Error) => void): Promise<void>;
+}
+
 declare module '@react-native-async-storage/async-storage' {
   /**
    * AsyncStorage is a simple, unencrypted, asynchronous, persistent, key-value storage
@@ -16,73 +82,13 @@ declare module '@react-native-async-storage/async-storage' {
    *
    * @see https://react-native-async-storage.github.io/async-storage/docs/api
    */
-  export interface AsyncStorageStatic {
-    /**
-     * Fetches key and passes the result to callback, along with an Error if there is any.
-     */
-    getItem(key: string, callback?: (error?: Error, result?: string) => void): Promise<string | null>;
-
-    /**
-     * Sets value for key and calls callback on completion, along with an Error if there is any
-     */
-    setItem(key: string, value: string, callback?: (error?: Error) => void): Promise<void>;
-
-    removeItem(key: string, callback?: (error?: Error) => void): Promise<void>;
-
-    /**
-     * Merges existing value with input value, assuming they are stringified json. Returns a Promise object.
-     * Not supported by all native implementation
-     */
-    mergeItem(key: string, value: string, callback?: (error?: Error) => void): Promise<void>;
-
-    /**
-     * Erases all AsyncStorage for all clients, libraries, etc. You probably don't want to call this.
-     * Use removeItem or multiRemove to clear only your own keys instead.
-     */
-    clear(callback?: (error?: Error) => void): Promise<void>;
-
-    /**
-     * Gets all keys known to the app, for all callers, libraries, etc
-     */
-    getAllKeys(callback?: (error?: Error, keys?: string[]) => void): Promise<string[]>;
-
-    /**
-     * multiGet invokes callback with an array of key-value pair arrays that matches the input format of multiSet
-     */
-    multiGet(
-      keys: string[],
-      callback?: (errors?: Error[], result?: [string, string | null][]) => void
-    ): Promise<[string, string | null][]>;
-
-    /**
-     * multiSet and multiMerge take arrays of key-value array pairs that match the output of multiGet,
-     *
-     * multiSet([['k1', 'val1'], ['k2', 'val2']], cb);
-     */
-    multiSet(keyValuePairs: string[][], callback?: (errors?: Error[]) => void): Promise<void>;
-
-    /**
-     * Delete all the keys in the keys array.
-     */
-    multiRemove(keys: string[], callback?: (errors?: Error[]) => void): Promise<void>;
-
-    /**
-     * Merges existing values with input values, assuming they are stringified json.
-     * Returns a Promise object.
-     *
-     * Not supported by all native implementations.
-     */
-    multiMerge(keyValuePairs: string[][], callback?: (errors?: Error[]) => void): Promise<void>;
-  }
-
-  export function useAsyncStorage(key: string): {
-    getItem(callback?: (error?: Error, result?: string) => void): Promise<string | null>;
-    setItem(value: string, callback?: (error?: Error) => void): Promise<void>;
-    mergeItem(value: string, callback?: (error?: Error) => void): Promise<void>;
-    removeItem(callback?: (error?: Error) => void): Promise<void>;
-  }
-
-  const AsyncStorage: AsyncStorageStatic;
+  export function useAsyncStorage(key: string): AsyncStorageHook
+  const AsyncStorageLib: AsyncStorage;
+  export default AsyncStorageLib;
+}
 
-  export default AsyncStorage;
+declare module '@react-native-async-storage/async-storage/jest/async-storage-mock' {
+  export function useAsyncStorage(key: string): AsyncStorageHook
+  const AsyncStorageLib: AsyncStorage;
+  export default AsyncStorageLib;
 }