Clean up ununsed devDeps

Also removed object-assign. We only support building with node v4+ which has Object.assign.

Gruntfile.js

@@ -1,6 +1,5 @@
 'use strict';
 
-var assign = require('object-assign');
 var path = require('path');
 var process = require('process');
 
@@ -35,7 +34,7 @@ module.exports = function(grunt) {
       // but if it breaks we'll fix it then.
       cmd: path.join('node_modules', '.bin', GULP_EXE),
       args: args,
-      opts: assign({stdio: 'inherit'}, opts),
+      opts: Object.assign({stdio: 'inherit'}, opts),
     }, function(err, result, code) {
       if (err) {
         grunt.fail.fatal('Something went wrong running gulp: ', result);

grunt/tasks/jest.js

@@ -6,7 +6,6 @@
 
 'use strict';
 
-var assign = require('object-assign');
 var async = require('async');
 var fs = require('fs');
 var glob = require('glob');
@@ -34,7 +33,7 @@ function getCollectCoverageOnlyFrom(callback) {
   var result = {};
 
   async.each(patterns, function(pattern) {
-    var options = assign({ nodir: true }, collectCoverageOnlyFrom[pattern]);
+    var options = Object.assign({ nodir: true }, collectCoverageOnlyFrom[pattern]);
     glob(pattern, options, function(err, files) {
       (files || []).reduce(function(object, key) {
         object[key] = true;
@@ -51,7 +50,7 @@ function getCollectCoverageOnlyFrom(callback) {
 function getJestConfig(callback) {
   var rootDir = path.resolve(buildPath, path.resolve(config.rootDir));
   getCollectCoverageOnlyFrom(function(err, data) {
-    callback(err, assign({}, config, {
+    callback(err, Object.assign({}, config, {
       rootDir: rootDir,
       collectCoverage: true,
       collectCoverageOnlyFrom: data,

grunt/tasks/npm-react-addons.js

@@ -1,6 +1,5 @@
 'use strict';
 
-var assign = require('object-assign');
 var fs = require('fs');
 var grunt = require('grunt');
 var path = require('path');
@@ -76,7 +75,7 @@ function buildReleases() {
     var destLicense = path.join(destDir, 'LICENSE');
     var destPatents = path.join(destDir, 'PATENTS');
 
-    var pkgData = assign({}, pkgTemplate);
+    var pkgData = Object.assign({}, pkgTemplate);
     pkgData.name = pkgName;
 
     grunt.file.mkdir(destDir);

package.json

@@ -6,7 +6,6 @@
     "async": "^1.5.0",
     "babel": "^5.8.29",
     "babel-eslint": "4.1.5",
-    "benchmark": "^1.0.0",
     "browserify": "^12.0.1",
     "bundle-collapser": "^1.1.1",
     "coffee-script": "^1.8.0",
@@ -28,12 +27,8 @@
     "gulp": "^3.9.0",
     "gulp-babel": "^5.3.0",
     "gulp-flatten": "^0.2.0",
-    "gulp-util": "^3.0.7",
     "gzip-js": "~0.3.2",
     "jest-cli": "^0.6.1",
-    "jstransform": "^11.0.0",
-    "object-assign": "^4.0.1",
-    "optimist": "^0.6.1",
     "platform": "^1.1.0",
     "run-sequence": "^1.1.4",
     "through2": "^2.0.0",

scripts/jest/preprocessor.js

@@ -6,7 +6,6 @@ process.env.NODE_ENV = 'test';
 
 var path = require('path');
 
-var assign = require('object-assign');
 var babel = require('babel');
 var coffee = require('coffee-script');
 
@@ -52,8 +51,10 @@ module.exports = {
       !filePath.match(/\/node_modules\//) &&
       !filePath.match(/\/third_party\//)
     ) {
-      var rv =
-        babel.transform(src, assign({filename: filePath}, babelOptions)).code;
+      var rv = babel.transform(
+        src,
+        Object.assign({filename: filePath}, babelOptions)
+      ).code;
       // hax to turn fbjs/lib/foo into /path/to/node_modules/fbjs/lib/foo
       // because jest is slooow with node_modules paths (facebook/jest#465)
       rv = rv.replace(