refactor: Replace require with import statement (#2143)

Author: dplewis

.eslintrc.json

@@ -40,6 +40,7 @@
     "require-atomic-updates": "off",
     "prefer-spread": "off",
     "prefer-rest-params": "off",
+    "@typescript-eslint/ban-ts-comment": "off",
     "@typescript-eslint/triple-slash-reference": "off",
     "@typescript-eslint/no-empty-function": "off",
     "@typescript-eslint/no-explicit-any": "off",

src/Analytics.js renamed to src/Analytics.ts

@@ -1,7 +1,3 @@
-/**
- * @flow
- */
-
 import CoreManager from './CoreManager';
 
 /**
@@ -44,7 +40,7 @@ import CoreManager from './CoreManager';
  * @returns {Promise} A promise that is resolved when the round-trip
  * to the server completes.
  */
-export function track(name: string, dimensions: { [key: string]: string }): Promise {
+export function track(name: string, dimensions: { [key: string]: string }): Promise<void> {
   name = name || '';
   name = name.replace(/^\s*/, '');
   name = name.replace(/\s*$/, '');
@@ -62,10 +58,10 @@ export function track(name: string, dimensions: { [key: string]: string }): Prom
 }
 
 const DefaultController = {
-  track(name, dimensions) {
+  track(name: string, dimensions: { [key: string]: string }) {
     const path = 'events/' + name;
     const RESTController = CoreManager.getRESTController();
-    return RESTController.request('POST', path, { dimensions: dimensions });
+    return RESTController.request('POST', path, { dimensions });
   },
 };
 

src/AnonymousUtils.js renamed to src/AnonymousUtils.ts

@@ -1,10 +1,6 @@
-/**
- * @flow-weak
- */
-
 import ParseUser from './ParseUser';
 import type { RequestOptions } from './RESTController';
-const uuidv4 = require('./uuid');
+import uuidv4 from './uuid';
 
 let registered = false;
 

src/CloudCode.js renamed to src/CloudCode.ts

@@ -1,5 +1,5 @@
-let AES;
-let ENC;
+let AES: any;
+let ENC: any;
 
 if (process.env.PARSE_BUILD === 'react-native') {
   const CryptoJS = require('react-native-crypto-js');
@@ -11,15 +11,16 @@ if (process.env.PARSE_BUILD === 'react-native') {
 }
 
 const CryptoController = {
-  encrypt(obj: any, secretKey: string): ?string {
+  encrypt(obj: any, secretKey: string): string {
     const encrypted = AES.encrypt(JSON.stringify(obj), secretKey);
     return encrypted.toString();
   },
 
-  decrypt(encryptedText: string, secretKey: string): ?string {
+  decrypt(encryptedText: string, secretKey: string): string {
     const decryptedStr = AES.decrypt(encryptedText, secretKey).toString(ENC);
     return decryptedStr;
   },
 };
 
 module.exports = CryptoController;
+export default CryptoController;

src/CryptoController.js renamed to src/CryptoController.ts

@@ -2,7 +2,7 @@
  * This is a simple wrapper to unify EventEmitter implementations across platforms.
  */
 
-let EventEmitter;
+let EventEmitter: any;
 
 try {
   if (process.env.PARSE_BUILD === 'react-native') {
@@ -18,3 +18,4 @@ try {
   // EventEmitter unavailable
 }
 module.exports = EventEmitter;
+export default EventEmitter;

src/EventEmitter.js renamed to src/EventEmitter.ts

@@ -72,9 +72,8 @@ const generateInterval = k => {
  * We expose three events to help you monitor the status of the LiveQueryClient.
  *
  * <pre>
- * let Parse = require('parse/node');
- * let LiveQueryClient = Parse.LiveQueryClient;
- * let client = new LiveQueryClient({
+ * const LiveQueryClient = Parse.LiveQueryClient;
+ * const client = new LiveQueryClient({
  *   applicationId: '',
  *   serverURL: '',
  *   javascriptKey: '',

src/LiveQueryClient.ts

@@ -1,5 +1,5 @@
 import CoreManager from './CoreManager';
-
+import LocalDatastoreController from './LocalDatastoreController';
 import type ParseObject from './ParseObject';
 import ParseQuery from './ParseQuery';
 import { DEFAULT_PIN, PIN_PREFIX, OBJECT_PREFIX } from './LocalDatastoreUtils';
@@ -390,9 +390,5 @@ const LocalDatastore = {
 module.exports = LocalDatastore;
 export default LocalDatastore;
 
-if (process.env.PARSE_BUILD === 'react-native') {
-  CoreManager.setLocalDatastoreController(require('./LocalDatastoreController.react-native'));
-} else {
-  CoreManager.setLocalDatastoreController(require('./LocalDatastoreController'));
-}
+CoreManager.setLocalDatastoreController(LocalDatastoreController);
 CoreManager.setLocalDatastore(LocalDatastore);

src/LocalDatastore.ts

@@ -1,5 +1,5 @@
 import { isLocalDatastoreKey } from './LocalDatastoreUtils';
-const RNStorage = require('./StorageController.react-native');
+import RNStorage from './StorageController.react-native';
 
 const LocalDatastoreController = {
   async fromPinWithName(name: string): Promise<Array<any>> {
@@ -35,7 +35,7 @@ const LocalDatastoreController = {
       }
     }
     const LDS = {};
-    let results: any[] = [];
+    let results: any = [];
     try {
       results = await RNStorage.multiGet(batch);
     } catch (error) {
@@ -57,8 +57,8 @@ const LocalDatastoreController = {
   async getRawStorage(): Promise<any> {
     const keys = await RNStorage.getAllKeysAsync();
     const storage = {};
-    const results = await RNStorage.multiGet(keys);
-    results.map(pair => {
+    const results = await RNStorage.multiGet(keys as string[]);
+    results!.map(pair => {
       const [key, value] = pair;
       storage[key] = value;
     });
@@ -74,7 +74,7 @@ const LocalDatastoreController = {
         batch.push(key);
       }
     }
-    return RNStorage.multiRemove(batch).catch(error =>
+    await RNStorage.multiRemove(batch).catch(error =>
       console.error('Error clearing local datastore: ', error)
     );
   },