* Only install react-scripts in CI mode

* Link locally

* Re-enable all output tests

*  Polish webpack output

* Test sass support message

* Add more tests, but disabled

* Format missing default export error

* Format aliased import

* Why was node-sass required? Odd

* Format webpack rejection error

* Re-enable unknown package test

* Format file not found error and catch module scope plugin error

* Re-disable case sensitive paths

* Intercept and format case sensitive path errors

* Test out of scope message formatting

* Run behavior on macOS

* Run behavior on Node 8 and 10, only Node 8 for macOS

* Add some debugging

* Update matcher

* Only check stderr

* Remove old snapshot

* More debug

* Remove debug

* Add new debug

* Disable test on linux

* Add comment for future

- [x] Utilize webpack 4 development and production modes
- [x] Upgrade webpack dev server
- [x] Webpack 4 compatible release of thread-loader
- [x] Webpack 4 compatible release of HtmlWebpackPlugin
- [x] Webpack 4 compatible release of SwPrecacheWebpackPlugin
- [x] Webpack 4 compatible release of WebpackManifestPlugin
- [x] Update README
- [x] Update WebpackDevServerUtils
- [x] Update InterpolateHtmlPlugin
- [x] Update ModuleScopePlugin
- [x] Update WatchMissingNodeModulesPlugin
- [x] Move UglifyJS options to webpack 4 optimize
- [x] Move InterpolateHtmlPlugin to make it tapable on HtmlWebpackPlugin
- [x] vendor splitting via splitChunks.splitChunks (https://twitter.com/wSokra/status/969633336732905474)
- [x] long term caching via splitChunks.runtimeChunk (https://twitter.com/wSokra/status/969679223278505985)
- [x] Make sure process.env.NODE_ENV is proxied correctly to `react-error-overlay`
- [x] Implicit webpack.NamedModulesPlugin in dev config as its default in webpack 4
- [x] Disable webpack performance hints as we have our own filesize reporter
- [x] Replace ExtractTextPlugin with MiniCssExtractPlugin
- [x] Switch to css whole file minification via OptimizeCSSAssetsPlugin rather than per module css minification to gain performance

* allow appSrc accepting an array

* fixture of finding all appSrcs logic

* update docs on ModuleScopePlugin accepts an array for appSrc

* minor typo fix in docs: change directory to directories.

* File headers BSD+Patents -> MIT

* BSD+Patents -> MIT

* Allow importing package.json

* Remove package.json import from App.js template

* fix importing package.json

* Rename variable to reflect path is relative to root

* Check for both package & package.json in ModuleScopePlugin

* Use regex to check relative path to package.json

* Strictly enforce package.json extension on scope plugin

* Add allowedPaths to ModuleScopePlugin ctor and use it to allow app package.json

* Remove package.json import from App.js template

* Add package.json to react-scripts/template, show package version and name in the template

* Remove import package.json from template

* Remove template/package.json and its references in code

* Update ModuleScopePlugin.js

* Update README.md

* Fix detection of parent directory

* Correct parent directory detection fix

Add windows specific path and extend to issuer path

* Add module scope plugin

* Oops

* Add comments

* Check windows seps too

* More descriptive error

* Document it