Support React Native < 0.43 once again (#461)

Author: arniu

README.md

@@ -36,8 +36,6 @@ For React Native applications, include `'parse/react-native'`:
 var Parse = require('parse/react-native');
 ```
 
-> As of `v1.10`, Parse-SDK-JS supports React Native 0.43+. Please use `v1.9.2` for previous versions of React Native.
-
 ## License
 
 ```

src/StorageController.react-native.js

@@ -10,8 +10,15 @@
  */
 
 import ParsePromise from './ParsePromise';
+
 // RN packager nonsense
-import { AsyncStorage } from 'react-native/Libraries/react-native/react-native-implementation';
+let AsyncStorage;
+try {
+  // for React Native 0.43+
+  AsyncStorage = require('react-native/Libraries/react-native/react-native-implementation').AsyncStorage;
+} catch (error) {
+  AsyncStorage = require('react-native/Libraries/react-native/react-native.js').AsyncStorage;
+}
 
 var StorageController = {
   async: 1,

src/__tests__/Storage-test.js

@@ -29,10 +29,15 @@ var mockRNStorageInterface = {
   },
 };
 
+// for React Native 0.43+
 jest.mock('react-native/Libraries/react-native/react-native-implementation', () => {
   return {AsyncStorage: mockRNStorageInterface};
 }, {virtual: true});
 
+jest.mock('react-native/Libraries/react-native/react-native.js', () => {
+  return {AsyncStorage: mockRNStorageInterface};
+}, {virtual: true});
+
 var CoreManager = require('../CoreManager');
 var ParsePromise = require('../ParsePromise').default;