Prevent the cache of files using Babel Macros (facebook#5078)

* Add new overrides option

* Add file to package.json

* Create our own loader

* Remove overrides

* We have to use a real babel option

* Add comments

Author: Timer

config/webpack.config.dev.js

@@ -228,7 +228,10 @@ module.exports = {
                 },
               },
               {
-                loader: require.resolve('babel-loader'),
+                // We need to use our own loader until `babel-loader` supports
+                // customization
+                // https://github.com/babel/babel-loader/pull/687
+                loader: require.resolve('babel-preset-react-app/loader'),
                 options: {
                   // @remove-on-eject-begin
                   babelrc: false,

config/webpack.config.prod.js

@@ -266,7 +266,10 @@ module.exports = {
               // improves compile time on larger projects
               require.resolve('thread-loader'),
               {
-                loader: require.resolve('babel-loader'),
+                // We need to use our own loader until `babel-loader` supports
+                // customization
+                // https://github.com/babel/babel-loader/pull/687
+                loader: require.resolve('babel-preset-react-app/loader'),
                 options: {
                   // @remove-on-eject-begin
                   babelrc: false,