* Add custom timings for CircleCi

* Re-add split-by flag

* Add testcase item to junit.xml

* Log tests being run

* Update junit.xml path

* bump

* CSS Support Customization

* Sort imports

* Correct PostCSS plugin loading

* Add css customization test

* Test "bad" css configuration

* Add load config test

* adjust spacing

* adjust spacing 2x

* Only allow config through JSON

* Support excluding false plugins

* Test tailwind css behavior

* Test plugin exclusion

* Fix unit test

* Fix config file

* Remove more variants

* Update test cases

* no ssr component which uses useEffect hook

This library used wasn't updated for 4 years. I tried to contact the owner, which failed, and decided to create my own. So if you see this PR as a shameless plugin for my own component you can delete it. Just wanted to make this example more up to date.

* Update index.js

* fix linting

* Update index.js

* Update example

* Catch Telemetry Initialization Error
This catches telemetry initialization errors where a user's `os.tmpdir()` directory isn't writable by the process.

* adjust cond

* Add failing test

* Escape dollar signs in AMP HTML

* Update to not use replace for updating AMP_RENDER_TARGET

The `sprStatus` module state is no longer used (and shouldn't be!). We can safely remove this code.

I also renamed the drop bundle identifier while I was here.

* Bust Babel Cache

* Increase e

* Disable concurrency for tests

* Add browser instance sharing

* Bump concurrency and install chromedriver smoother

* Fix config typo

* Fix local test

* Limit azure concurrency again

* Add delay for empty-object-test

* Make sure to use open port for chromedriver

* Move browser closing to jest-environment

* Re-enable concurrency for Azure

* bump

* Disable concurrency for Azure again

* Re-enable concurrency for Azure

* bump

* Drop Re-Exported iSSG Imports
This pull request adds loader support for the following export form:
```js
export { getStaticParams as unstable_getStaticParams } from '../../lib/docs/page';
export { getStaticProps as unstable_getStaticProps } from '../../lib/docs/page';
```

This will now result in correct detection and removal.

* Add unit tests for next page config behavior

* Test extra function is not dropped

* Adds err.sh for multi-match error

* Fix missing apostrophe

* Update regex to catch other param names

* Add test for multi-match error

* Update test/integration/invalid-multi-match/test/index.test.js

* Updated with-jest example to latest versions

* Fix linting issue

* Updating snapshots

* Rollback snapshots change

Requested [here](https://github.com/zeit/next.js/pull/7728#issuecomment-555695290)

* `next export` should skip iSSG fallback page

* Move config to correct place

See https://github.com/zeit/next.js/pull/9109#issuecomment-557139022

* Ensure CSS Is Preloaded First

* add test polyfills

* Upgrade Babel Dependencies

* Update test for new size

* Update purgecss search string to include typescript files - closes #9415

* fix minor formatting issue

* Add handling for rewriting to /_next with catchall

* bump

* Exclude cache from being deleted in dev

* Exclude cache directory from delete

* Fix clean regex and update tests

* Remove extra param comment

* Adds missing dependency

* Update package.json

* Update yarn.lock

* Fix next-news inconsistent return type

* Add failing test for static file rewrite

* Revert "Fix next-news inconsistent return type"

This reverts commit b66e76fb86061e45741c3c4bb9296a0874900f76.

* Add failing test for double redirect

* Fix bug in matcher when having multiple redirects

* Remove custom traversal in favor of router handling it

* Update next-server.ts

* Update router.ts

* Temporarily disable test

* Don't deeply resolve redirects

* Support combined parameters + query passing

* Make sure params are correctly passed in

* Add test for hash in route

* Fix typo in serverless loader

* Add test for top level error in API route

* Fix type error

* Fix recursive-copy function failing with more
folders than concurrency

* Make default concurrency 32 for recursive-copy