* Add Failing CSS Test Case

* update tests

* Fix dynamic route rename failing for case change

* Update normalizing curPageFiles

* Remove using webpacks file info since its inaccurate

* Revert changes in favor of fixing upstream

* Update to latest watchpack with case rename fix

* Enable polyfillsOptimization

* Update sizes

* Commons is no longer there

* Update test

* Migrate to AMP Optimizer 2.0

Most notable changes:

* Automatically import all missing AMP component scripts.
* Automatically add any missing mandatary AMP tags.
* 40% faster

I've updated the docs to mention component auto import and added a corresponding
test case.

* change validator tests which now pass validation

* Improve wording
Co-Authored-By: NJJ Kasper <jj@jjsweb.site>

* Update adding-amp-components.md
Co-authored-by: NJJ Kasper <jj@jjsweb.site>
Co-authored-by: NJoe Haddad <timer150@gmail.com>

* Remove `native-url` Again

* update comment

* update sizes

* checkpoint: api impl

* Add support for tryGetPreviewData

* snapshot: server(less) support

* Add X-Prerender-Bypass-Mode header support

* Pass preview data to getStaticProps call

* add TODO

* setPreviewData

* 100k iterations

* Handle jwt error

* Write out preview values

* forgot file

* set preview props

* Send preview props

* add preview props

* Pass around more data

* update yarn lock

* Fail on Invalid Prerender Manifest

* Make Missing Prerender Manifest Fatal

* fix ts errors

* fix test

* Fix setting cookies + maxage

* Secure is not needed as we encrypt necessary data

* Set on domain root

* Set cookie max ages

* Render a fallback on-demand for non-dynamic pages

* Test preview mode

* remove old build

* remove snapshots

* Add serverless tests

* use afterAll

* Remove object assigns

* fix cookie spread

* add comment

`@types/babel-types` doesn't seem to be in use anymore. `babel-types` is not used anywhere and `@babel/types` has its own typings included.

* De-dupe paths returned in getStaticPaths

* Remove warning

* Re-enable `native-url`

* update sizes

* Add support for rewriting to external resources

* Update rewrite proxying test
Co-authored-by: NTim Neutkens <tim@timneutkens.nl>
Co-authored-by: NJoe Haddad <timer150@gmail.com>

* Polyfill Promise in polyfills chunk

* Override promise polyfill to use built-in

* Update sizes

* Update polyfills

* Test

* Add dep

* Use iife

* Unscope

* Revert "Unscope"

This reverts commit ab26bcefd551c544d5b3c577b7ce91e5ecfb9bb9.

* trigger

* Remove unused code

* Set helpers to true

* Update yarn.lock

* Fix test

* Update polyfills size

* Add comment

* Add back comment

* Put polyfills optimization under experimental flag

* Fix filename

* bring back promise for backwards compat until experimental feature is landed

* fix resolve alias check

* correct loader

* fix logic branches

* adjust !!

* adjust cache key

* Conditionally branch polyfill

* fix promise polyfill branching

* Re-add runtime

* fix base object

* fix yarn lock

* Add cache key

* correctly set caller

* add basic test

* Increment h=>i

* increment to j just in case
Co-authored-by: NJoe Haddad <timer150@gmail.com>
Co-authored-by: NJJ Kasper <jj@jjsweb.site>

* Added support for bigint to API routes

Closes #7980

* added BigInt test to get result
Co-authored-by: NJoe Haddad <timer150@gmail.com>

* adding Conformance Plugin behind a flag

* fixing compiler ts error

* fixing spelling errors 🤦🏻‍♂️

* addressing comments

* bug fix

* making it const enum

* reverting const enum
Co-authored-by: NJoe Haddad <timer150@gmail.com>

* Add built-in Sass support

* Add copy of CSS tests for SCSS

* Fix failing tests

* Fix url-loader tests

* Remove css file generated by tests

* Fix nprogress import for css file

* Fix SCSS modules (still 2 tests that need investigating)

* Update documentation for Sass support

* Fix plain CSS import test

* Fix formatting with prettier fix

* Update test output to reflect scss usage

* Revert "Fix plain CSS import test"

This reverts commit 380319d9d0c4bfb19e28c210262ccd82d19f3556.

# Conflicts:
#	test/integration/scss-modules/test/index.test.js

* Update loader structure

* Resolve loaders before passing to compile function

* Remove dead filter  code

* Arrange loaders in order and push to array

* Fix loader order bug

* Fix global Sass loader and make module prepocessor optional

* Adjust Sass Modules Implementation

* Fix typo

* Adjust regexps

* Use regexes

* Simplify global setup

* Adjust comments

* fix regex

* Simplify identifier file

* Update Sass Instructions

* Remove unneeded fixtures

* Adjust global tests

* Remove wrapper

* Update source maps

* Flag scss behavior

* Fix css property value

* Update fixtures with Sass vars

* Turn on Scss support

* fix HMR test

* Fix snapshots
Co-authored-by: NTim Neutkens <tim@timneutkens.nl>
Co-authored-by: NJoe Haddad <timer150@gmail.com>

* Remove `native-url`

* Increase sizes

* Fix Browserslist Loading

* Fix Browserslist Integration for CSS

* Add missing file

* Remove experiment

* Add back ssr-prepass for serverless test

* Update size as they both decreased
Co-authored-by: NJJ Kasper <jj@jjsweb.site>

Fixes https://github.com/zeit/next.js/issues/9687#issuecomment-569632942

* Migrate from wd to selenium-webdriver

* Add chaining for next-webdriver

* Re-add browserStackLocal global for teardown

* Add additional element methods

* Use freshWindow helper for chrome

* Add selenium-server

* Add cross-env for windows compat

* Fix single quote windows

* Update production preload tests

* Update preload tests count

* Update CircleCi for testing other browsers

* Update CI configs

* Update config

* Add browser.url command

* Add more methods

* Update xcode version

* Make sure to add chromedriver to path

* Add forceExit flag

* Update config

* Update config

* Disable safari

* Fix bug in test

* Add teardown logging

* Update jest teardown

* Move testing ie11 to Azure

* Update job names

* Remove force exiting on long teardown

* Update Azure config

* Re-add safari testing with BrowserStack

* Update config

* Update prefetch tests for ie11

* Update prefetch for safari and ids for ie11 testing

* trigger prefetching manually in ie

* Disable CSS Support When Manually Configured

* upgrade TS

* adjust yarn lock

* Remove another version of TypeScript

* Remove possibly leftover loader

* Revert "Remove possibly leftover loader"

This reverts commit 7ce2d1a8854f3d7a833867f8ac3be7923a6cb1d8.

* Update to use no-op loader

* Redesign PostCSS Configuration Loading

* Test array configuration

* Test new configuration handling

* Remove unnecessary async

* CSS Module Support

* Fix Server-Side Render of CSS Modules

* Fix Jest Snapshots
https://github.com/facebook/jest/pull/8492

* Fix snapshots

* Add test for CSS module edit without remounting

* Add tests for dev and production style being applied

* Add missing TODOs

* Include/exclude should only be applied to issuer, not the CSS file itself

* Add CSS modules + node_modules tests

* Test that content is correct

* Create Multi Module Suite

* Add client-side navigation support for CSS

* Add tests for client-side nav

* Add some delays

* Try another fix

* Increase timeout to 3 minutes

* Fix test

* Give all unique directories

* WIP

* Move data experiment

* Do not throw away rules

* Remove test code

* Correct next data behavior

* Add support for async composing

* Remove unnecessary workaround

* Rename Field

Closes #9602

* Upgrade `path-to-regexp`

* Correct import

* Update delimiter

* Fix path match

* Fix hot loader

* Fix params.path usage and pathToRegexp import

* Revert changes for params.path

* Fix lint

* Simplify path match function

* Delimiter should always be `/`

* Fix passed in params

* Add new regex wrapping

* Wrap another route

* Fix error message match