Switch to Babel 7 (facebook#3522)

* Update dependencies in react-scripts

* Add first pass of working dependencies for babel-preset-react-app and react-scripts

* Bump more dependency versions

* Adjust more versions and edit fix options

* Restore functionality of old preset

* Disable Uglify in iframe webpack

* Apply prettier

* Re-enable cache in dev and clean deps

* Lock packages and move babel/core to dep in preset

* Bump babel-jest

* Re-enable uglify

* Nest forceAllTransforms correctly in webpack config

* Install babel-core bridge for jest

* Add jest-cli and babel-core bridge to make tests in react-error-overlay pass

* Re-enable transform-dynamic-import

* Add dynamic import syntax support back

* Use new babel in kitchensink

* Transform modules in test

* Revert "Transform modules in test"

This reverts commit 539e46a.

* Attempt fix for ejected tests

* try this

* Add regenerator back

* Bump babel deps to beta.34

* Remove bad files

* Use default when requiring babel transform plugin

* Bump deps

* Try the fix?

* Oopsie

* Remove some weird things

* Run Babel on react-error-overlay tests

* Try fixing kitchensink

* Use new API for codeFrame

* Add missing (?) babelrc

* Maybe this helps?

* Maybe fix mocha

* I shouldn't have deleted this 🤦

Author: clemmy

config/webpack.config.dev.js

@@ -96,9 +96,9 @@ module.exports = {
       // Resolve Babel runtime relative to react-scripts.
       // It usually still works on npm 3 without this but it would be
       // unfortunate to rely on, as react-scripts could be symlinked,
-      // and thus babel-runtime might not be resolvable from the source.
-      'babel-runtime': path.dirname(
-        require.resolve('babel-runtime/package.json')
+      // and thus @babel/runtime might not be resolvable from the source.
+      '@babel/runtime': path.dirname(
+        require.resolve('@babel/runtime/package.json')
       ),
       // @remove-on-eject-end
       // Support React Native Web

config/webpack.config.prod.js

@@ -103,9 +103,9 @@ module.exports = {
       // Resolve Babel runtime relative to react-scripts.
       // It usually still works on npm 3 without this but it would be
       // unfortunate to rely on, as react-scripts could be symlinked,
-      // and thus babel-runtime might not be resolvable from the source.
-      'babel-runtime': path.dirname(
-        require.resolve('babel-runtime/package.json')
+      // and thus @babel/runtime might not be resolvable from the source.
+      '@babel/runtime': path.dirname(
+        require.resolve('@babel/runtime/package.json')
       ),
       // @remove-on-eject-end
       // Support React Native Web

fixtures/kitchensink/.babelrc

@@ -1,8 +1,8 @@
 {
   "dependencies": {
-    "babel-register": "6.22.0",
-    "babel-plugin-transform-es2015-modules-commonjs": "6.22.0",
-    "babel-polyfill": "6.20.0",
+    "@babel/plugin-transform-modules-commonjs": "7.0.0-beta.36",
+    "@babel/polyfill": "7.0.0-beta.36",
+    "@babel/register": "7.0.0-beta.36",
     "chai": "3.5.0",
     "jsdom": "9.8.3",
     "mocha": "3.2.0",

fixtures/kitchensink/.template.dependencies.json

@@ -21,13 +21,14 @@
     "react-scripts": "./bin/react-scripts.js"
   },
   "dependencies": {
+    "@babel/core": "7.0.0-beta.36",
+    "@babel/runtime": "7.0.0-beta.36",
     "autoprefixer": "7.1.6",
-    "babel-core": "6.26.0",
-    "babel-eslint": "7.2.3",
+    "babel-core": "7.0.0-bridge.0",
+    "babel-eslint": "8.0.2",
     "babel-jest": "22.0.6",
-    "babel-loader": "7.1.2",
+    "babel-loader": "8.0.0-beta.0",
     "babel-preset-react-app": "^3.1.1",
-    "babel-runtime": "6.26.0",
     "case-sensitive-paths-webpack-plugin": "2.1.1",
     "chalk": "1.1.3",
     "css-loader": "0.28.7",