Improved OSS flow and lint reporting

Summary:- lint bot is now managed by Circle CI
- checked that flow and lint errors are caught both by bot and CI
- flow fix for npm 3
- Travis is now using npm 2 and Circle CI npm 3
- Refactored Travis script to be able to be able to fail on multiple lines
Closes https://github.com/facebook/react-native/pull/6508

Differential Revision: D3069500

Pulled By: davidaurelio

fb-gh-sync-id: 02772bf1eae5f2c44489c2e3a01899428a9640cb
shipit-source-id: 02772bf1eae5f2c44489c2e3a01899428a9640cb

react-packager/src/AssetServer/__tests__/AssetServer-test.js

@@ -1,9 +1,15 @@
+/**
+ * Copyright (c) 2013-present, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ */
+
 'use strict';
 
-jest
-  .dontMock('node-haste/lib/lib/getPlatformExtension')
-  .dontMock('node-haste/node_modules/throat')
-  .dontMock('../');
+jest.autoMockOff();
 
 jest
   .mock('crypto')

react-packager/src/Bundler/__tests__/Bundler-test.js

@@ -8,15 +8,24 @@
  */
 'use strict';
 
+jest.autoMockOff();
+
 jest
   .setMock('worker-farm', () => () => undefined)
-  .dontMock('node-haste/node_modules/throat')
-  .dontMock('lodash')
-  .dontMock('../../lib/ModuleTransport')
   .setMock('uglify-js')
-  .dontMock('../');
-
-jest.mock('fs');
+  .mock('image-size')
+  .mock('fs')
+  .mock('assert')
+  .mock('progress')
+  .mock('node-haste')
+  .mock('../../JSTransformer')
+  .mock('../../lib/declareOpts')
+  .mock('../../Resolver')
+  .mock('../Bundle')
+  .mock('../PrepackBundle')
+  .mock('../HMRBundle')
+  .mock('../../Activity')
+  .mock('../../lib/declareOpts');
 
 var Bundler = require('../');
 var Resolver = require('../../Resolver');

react-packager/src/Server/__tests__/Server-test.js

@@ -8,22 +8,22 @@
  */
 'use strict';
 
+jest.autoMockOff();
+
 jest.setMock('worker-farm', function() { return () => {}; })
-    .dontMock('node-haste/node_modules/throat')
-    .dontMock('os')
-    .dontMock('lodash')
-    .dontMock('path')
-    .dontMock('url')
     .setMock('timers', { setImmediate: (fn) => setTimeout(fn, 0) })
     .setMock('uglify-js')
-    .dontMock('../')
-    .setMock('crypto');
+    .setMock('crypto')
+    .mock('../../Bundler')
+    .mock('../../AssetServer')
+    .mock('../../lib/declareOpts')
+    .mock('node-haste')
+    .mock('../../Activity');
 
 const Promise = require('promise');
 
 var Bundler = require('../../Bundler');
 var Server = require('../');
-var Server = require('../../Server');
 var AssetServer = require('../../AssetServer');
 
 var FileWatcher;
@@ -108,7 +108,7 @@ describe('processRequest', () => {
       requestHandler,
       'mybundle.bundle?runModule=true'
     ).then(response => {
-      expect(response.getHeader('ETag')).toBeDefined()
+      expect(response.getHeader('ETag')).toBeDefined();
     });
   });
 
@@ -118,7 +118,7 @@ describe('processRequest', () => {
       'mybundle.bundle?runModule=true',
       { headers : { 'if-none-match' : 'this is an etag' } }
     ).then(response => {
-      expect(response.statusCode).toEqual(304)
+      expect(response.statusCode).toEqual(304);
     });
   });
 
@@ -262,7 +262,7 @@ describe('processRequest', () => {
 
       Bundler.prototype.bundle = bundleFunc;
 
-      const server = new Server(options);
+      server = new Server(options);
       server.setHMRFileChangeListener(() => {});
 
       requestHandler = server.processRequest.bind(server);

react-packager/src/SocketInterface/__tests__/SocketServer-test.js

@@ -8,11 +8,12 @@
  */
 'use strict';
 
+jest.autoMockOff();
 jest.setMock('uglify-js')
     .mock('net')
     .mock('fs')
-    .dontMock('node-haste/node_modules/throat')
-    .dontMock('../SocketServer');
+    .mock('bser')
+    .mock('../../Server');
 
 var PackagerServer = require('../../Server');
 var SocketServer = require('../SocketServer');