Remove knowledge of fbjs from the packager

Summary:Follow-up to facebook/react-native#5084

This…
- changes all requires within RN to `require('fbjs/lib/…')`
- updates `.flowconfig`
- updates `packager/blacklist.js`
- adapts tests
- removes things from `Libraries/vendor/{core,emitter}` that are also in fbjs
- removes knowledge of `fbjs` from the packager

Closes facebook/react-native#5084

Reviewed By: bestander

Differential Revision: D2926835

fb-gh-sync-id: 2095e22b2f38e032599d1f2601722b3560e8b6e9
shipit-source-id: 2095e22b2f38e032599d1f2601722b3560e8b6e9

blacklist.js

@@ -17,57 +17,8 @@ var sharedBlacklist = [
   'node_modules/react/lib/React.js',
   'node_modules/react/lib/ReactDOM.js',
 
-  // For each of these fbjs files (especially the non-forks/stubs), we should
-  // consider deleting the conflicting copy and just using the fbjs version.
-  //
   // fbjs forks:
   'node_modules/fbjs/lib/Map.js',
-  'node_modules/fbjs/lib/Promise.js',
-  'node_modules/fbjs/lib/fetch.js',
-  // fbjs stubs:
-  'node_modules/fbjs/lib/ErrorUtils.js',
-  'node_modules/fbjs/lib/URI.js',
-  // fbjs modules:
-  'node_modules/fbjs/lib/Deferred.js',
-  'node_modules/fbjs/lib/PromiseMap.js',
-  'node_modules/fbjs/lib/UserAgent.js',
-  'node_modules/fbjs/lib/areEqual.js',
-  'node_modules/fbjs/lib/base62.js',
-  'node_modules/fbjs/lib/crc32.js',
-  'node_modules/fbjs/lib/everyObject.js',
-  'node_modules/fbjs/lib/fetchWithRetries.js',
-  'node_modules/fbjs/lib/filterObject.js',
-  'node_modules/fbjs/lib/flattenArray.js',
-  'node_modules/fbjs/lib/forEachObject.js',
-  'node_modules/fbjs/lib/isEmpty.js',
-  'node_modules/fbjs/lib/nullthrows.js',
-  'node_modules/fbjs/lib/removeFromArray.js',
-  'node_modules/fbjs/lib/resolveImmediate.js',
-  'node_modules/fbjs/lib/someObject.js',
-  'node_modules/fbjs/lib/sprintf.js',
-  'node_modules/fbjs/lib/xhrSimpleDataSerializer.js',
-
-  // Those conflicts with the ones in fbjs/. We need to blacklist the
-  // internal version otherwise they won't work in open source.
-  'downstream/core/CSSCore.js',
-  'downstream/core/TouchEventUtils.js',
-  'downstream/core/camelize.js',
-  'downstream/core/createArrayFromMixed.js',
-  'downstream/core/createNodesFromMarkup.js',
-  'downstream/core/dom/containsNode.js',
-  'downstream/core/dom/focusNode.js',
-  'downstream/core/dom/getActiveElement.js',
-  'downstream/core/dom/getUnboundedScrollPosition.js',
-  'downstream/core/dom/isNode.js',
-  'downstream/core/dom/isTextNode.js',
-  'downstream/core/emptyFunction.js',
-  'downstream/core/emptyObject.js',
-  'downstream/core/getMarkupWrap.js',
-  'downstream/core/hyphenate.js',
-  'downstream/core/hyphenateStyleName.js',
-  'downstream/core/invariant.js',
-  'downstream/core/nativeRequestAnimationFrame.js',
-  'downstream/core/toArray.js',
 
   /website\/node_modules\/.*/,
 

package.json

@@ -1,5 +1,5 @@
 {
-  "version": "0.1.3",
+  "version": "0.1.4",
   "name": "react-native-packager",
   "description": "Build native apps with React!",
   "repository": {

react-packager/src/Resolver/index.js

@@ -84,7 +84,6 @@ class Resolver {
           (opts.blacklistRE && opts.blacklistRE.test(filepath));
       },
       providesModuleNodeModules: [
-        'fbjs',
         'react',
         'react-native',
         // Parse requires AsyncStorage. They will