Bump babel-related deps (facebook#4159)

packages/babel-preset-react-app/index.js

@@ -76,6 +76,9 @@ module.exports = function(api, opts) {
           // Adds component stack to warning messages
           // Adds __self attribute to JSX which React will use for some warnings
           development: isEnvDevelopment || isEnvTest,
+          // Will use the native built-in instead of trying to polyfill
+          // behavior for any plugins that require one.
+          useBuiltIns: true,
         },
       ],
       isFlowEnabled && [require('@babel/preset-flow').default],
@@ -99,13 +102,6 @@ module.exports = function(api, opts) {
           useBuiltIns: true,
         },
       ],
-      // Transforms JSX
-      [
-        require('@babel/plugin-transform-react-jsx').default,
-        {
-          useBuiltIns: true,
-        },
-      ],
       // Polyfills the runtime needed for async/await and generators
       [
         require('@babel/plugin-transform-runtime').default,

packages/babel-preset-react-app/package.json

@@ -11,15 +11,15 @@
     "index.js",
     "dependencies.js"
   ],
-  "dependencies": {
+   "dependencies": {
     "@babel/core": "7.0.0-beta.42",
     "@babel/plugin-proposal-class-properties": "7.0.0-beta.42",
+    "@babel/plugin-proposal-object-rest-spread": "7.0.0-beta.42",
     "@babel/plugin-syntax-dynamic-import": "7.0.0-beta.42",
     "@babel/plugin-transform-classes": "7.0.0-beta.42",
     "@babel/plugin-transform-destructuring": "7.0.0-beta.42",
     "@babel/plugin-transform-react-constant-elements": "7.0.0-beta.42",
     "@babel/plugin-transform-react-display-name": "7.0.0-beta.42",
-    "@babel/plugin-transform-react-jsx": "7.0.0-beta.42",
     "@babel/plugin-transform-regenerator": "7.0.0-beta.42",
     "@babel/plugin-transform-runtime": "7.0.0-beta.42",
     "@babel/preset-env": "7.0.0-beta.42",

packages/react-scripts/template/README.md

@@ -1806,7 +1806,6 @@ After that, follow the instructions on the screen.
 
 Learn more about React Storybook:
 
-* Screencast: [Getting Started with React Storybook](https://egghead.io/lessons/react-getting-started-with-react-storybook)
 * [GitHub Repo](https://github.com/storybooks/storybook)
 * [Documentation](https://storybook.js.org/basics/introduction/)
 * [Snapshot Testing UI](https://github.com/storybooks/storybook/tree/master/addons/storyshots) with Storybook + addon/storyshot