* Adds the PnP plugin for Webpack to find dependencies when working under PnP

* Adds configuration for jest

* Adds an e2e test for when using PnP

* Avoids cra from crashing at the engine check

* Avoids cra from crashing when initializing react-scripts

* Makes the ownPath portable

* Fixes linting

* Bumps to pnp-webpack-plugin@1.1.0, removes symlinks: false

* Adds a --use-pnp option

* Pin version

* Run smoke tests with Jest

* Get a unique port for smoke test

* Upgrade verdaccio across the board

* Drop unneeded step

* Try latest instead

* Boot registry in home directory

* Correct config path

* Add mutex

* Test webpack message formatting

* Strip color

* Add browserslist to default

* Disable another broken feature

* node10

* token

* rerun tests

* - [x] Upgrade to webpack 4.8.X
- [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

* disable module concatenation

* fix cleanup

* fix optimization

* restore tmp removal

* preserve

* fix css tests

* fix test run

* fix svg test

* revert tmp dir

* fix import

* fix import

* help debugging

* fix tests

* fix sass test

* restore cleanup

* Support package distribution tags (#4348)

* Remove redundand variable check in `getInstallPackage`

* Simplify react-scripts version using `--scripts-version=@tagname` notation

* Add dist-tag tests to e2e-installs

* Fix integration test

* More fixes

* Switch to Yarn Workspaces

* Feedback

* Move flowconfig

* Use publish script

* Keep git status check

* Fix Flow without perf penalty

* Remove Flow from package.json "test"

* Try running it from script directly (?)

* Try magic incantations

* lol flow COME ON

* Try to skip Flow on AppVeyor

* -df

* -df

* -df

* Try to fix CI

* Revert unrelated changes

* Update CONTRIBUTING.md

* This doesn't look needed anymore

* Remove unnecessary rebuilds

* Convert e2e-installs

* Convert kitchensink tests

* Upgrade npm for kitchensink

* Try to use Yarn in more E2E scripts

* Keep using npm pack

* Maybe this will fix Windows?

* Try this

* Use latest npm in e2e tests

* Keep default npm version in "simple" test

* Try to fix CI by using a version that supports Yarn

* add —use-npm flag to bypass yarn

* add e2e test for —use-npm flag

* File headers BSD+Patents -> MIT

* BSD+Patents -> MIT

This reverts commit fcb6dc55.

* run npm 5.4.0 in CI

* run npm cache clean with --force in CI

* use link instead of install

* Update e2e-installs.sh

* Update e2e-kitchensink.sh

* Update e2e-simple.sh

* Bootstrap with Yarn if we can

* Update test scripts

* Check OS and npm concurrency ability

* Windows support

* Update bootstrap.js

* Install yarn before bootstrap

* Test Node 8 on Travis

We still test Node 7 on AppVeyor

* Update e2e-installs.sh

* Update e2e-kitchensink.sh

* Update e2e-simple.sh

* Update e2e-installs.sh

* Update e2e-kitchensink.sh

* Update e2e-installs.sh

* Update e2e-simple.sh

* Update e2e-simple.sh

* Update e2e-kitchensink.sh

* Update e2e-installs.sh

* Put react-scripts in dependencies, not devDependencies

* Sort dependencies on eject

* Remove CI check

* Added cache clear to e2e scripts

* Install latest yarn on AppVeyor to avoid windows crashing bug in yarn

* Alternative fix for yarn crashing e2e tests on windows machines

* ༼ つ ◕_◕ ༽つ stack-frame-overlay

* Fix linting

* Remove auto overlay

* Fix e2e

* Pull in the rest

* Appease flow

* Correct dep

* Remove old repo references

* Check flow on test

* Test overlay in e2e

* Add cross env

* Rename package

* Make sure it gets built post-install

* Update the README

* Remove extra builds now that there's a postinstall script

* Revert "Remove extra builds now that there's a postinstall script"

This reverts commit 8bf601db.

* Remove broken script

* Fix some dev ergo

* Added test to check for accidental dependencies

* Refactored test into a function

* Removed non capturing group from grep

* Update e2e-installs.sh

* Properly extract package name

* Download package if need be ...

* Oops

* Add e2e test based on #1537, but without specific filename

* Pass packageName through promises

A little bit more verbose but explicit and doesn't rely on shared mutable state.

* Fix up directory name in test

* Tweak failure message

* Fix lint

* add double quotes to escape spaces in path

* Change $* to "$@" props to @n3tr

* escape spaces in path for all e2e tests

* Add appveyor.yml

* Execute mocha directly in e2e test

* Replace e2e process substitution

* Kill nohup node processes after e2e

* Disable known failing Windows test

* Only build master

* Gracefully handle initial installation error

* Print out message when problem occurs
* Delete project folder on errors

* Fix directory deleting message

Resolves #1505 

* Use Yarn latest in e2e

* Here too

* And here plz

The `test` command fails with multiple arguments when given a unary operator such as '-e'. Add a function that can test one or more files by looping over all files.

* E2E: run tests when react is ready

* Entangle e2e with callbacks

* Remove unused e2e lines

* Use a more sophisticated template for end-to-end testing.

* Not publish integration tests to npm

* Use "commander" for  cli argv handling

* Handle different scripts version forms and exits without a name given

* Prepare the commands for testing with a template

* Fix dev "template" path

* Add various features to test

* Test various features separately

* Test language features

* Comment unused e2e.sh lines

* Add "development" tests

* Test environment variables

* Test webpack plugins

* Replace kitchensink README

* Switch integration tests from jest to mocha

* Use `fs-extra`

* Use the correct folders

* Do some cleanup

* Print a better message for `--template`

* Test `npm start` with and without https

* Separate fast e2e testing from kitchensink testing

* Hide `--internal-testing-template` (former `--template`) CLI option

* gh-1269: Enabling nested folder paths for project name

* gh-1269: Added "fs-extra" and removed "path-exists"

* gh-1269: Added e2e test cases to verify nested folder names

* Tweak minimal Node error message

* Tweak console messages

* It doesn't need to be from npm

* Try to fix e2e test

* Use "commander" for  cli argv handling

* Handle different scripts version forms and exits without a name given

* Revert comment about min supported node version

* Check sooner for the minimal node version

* Add travis test for node <4

* Parse stderr in node versions <4