chore(datafile manager): Fix lint and formatting (optimizely#500)

Summary:

Fix lint and formatting in datafile manager package

Test plan:

Existing tests

Author: mjc1283

packages/datafile-manager/__test__/nodeDatafileManager.spec.ts

@@ -120,7 +120,10 @@ describe('nodeDatafileManager', () => {
     });
     manager.start();
     expect(makeGetRequestSpy).toBeCalledTimes(1);
-    expect(makeGetRequestSpy).toBeCalledWith('https://config.optimizely.com/datafiles/auth/1234.json', expect.anything());
+    expect(makeGetRequestSpy).toBeCalledWith(
+      'https://config.optimizely.com/datafiles/auth/1234.json',
+      expect.anything()
+    );
     await manager.stop();
   });
 
@@ -157,7 +160,7 @@ describe('nodeDatafileManager', () => {
     });
     manager.start();
     expect(makeGetRequestSpy).toBeCalledTimes(1);
-    expect(makeGetRequestSpy).toBeCalledWith(expect.anything(), { 'Authorization': 'Bearer abcdefgh'});
+    expect(makeGetRequestSpy).toBeCalledWith(expect.anything(), { Authorization: 'Bearer abcdefgh' });
     await manager.stop();
   });
 
@@ -173,7 +176,7 @@ describe('nodeDatafileManager', () => {
     const manager = new NodeDatafileManager({
       sdkKey: '1234',
       datafileAccessToken: 'abcdefgh',
-      urlTemplate: 'https://myawesomeurl/'
+      urlTemplate: 'https://myawesomeurl/',
     });
     manager.start();
     expect(makeGetRequestSpy).toBeCalledTimes(1);

packages/datafile-manager/src/nodeDatafileManager.ts

@@ -18,32 +18,25 @@ import { getLogger } from '@optimizely/js-sdk-logging';
 import { makeGetRequest } from './nodeRequest';
 import HttpPollingDatafileManager from './httpPollingDatafileManager';
 import { Headers, AbortableRequest } from './http';
-import {
-  NodeDatafileManagerConfig,
-  DatafileManagerConfig,
-} from './datafileManager';
-import {
-  DEFAULT_URL_TEMPLATE,
-  DEFAULT_AUTHENTICATED_URL_TEMPLATE,
-} from './config';
+import { NodeDatafileManagerConfig, DatafileManagerConfig } from './datafileManager';
+import { DEFAULT_URL_TEMPLATE, DEFAULT_AUTHENTICATED_URL_TEMPLATE } from './config';
 
 const logger = getLogger('NodeDatafileManager');
 
 export default class NodeDatafileManager extends HttpPollingDatafileManager {
-
   private accessToken?: string;
 
   constructor(config: NodeDatafileManagerConfig) {
     const defaultUrlTemplate = config.datafileAccessToken ? DEFAULT_AUTHENTICATED_URL_TEMPLATE : DEFAULT_URL_TEMPLATE;
     super({
-      ... config,
+      ...config,
       urlTemplate: config.urlTemplate || defaultUrlTemplate,
     });
     this.accessToken = config.datafileAccessToken;
   }
 
   protected makeGetRequest(reqUrl: string, headers: Headers): AbortableRequest {
-    let requestHeaders = Object.assign({}, headers);
+    const requestHeaders = Object.assign({}, headers);
     if (this.accessToken) {
       logger.debug('Adding Authorization header with Bearer Token');
       requestHeaders['Authorization'] = `Bearer ${this.accessToken}`;