* Fix Nested Index Dynamic Routes in Development

* add missing

This change updates the _ssr-caching_ to not cache the response when a
404 status code has been returned.

* 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

* Add NextApiHandler type

* Fix formatting
Co-authored-by: NJoe Haddad <timer150@gmail.com>

* Make sure to handle rejection when prefetching pages

* Update comment

* Make sure to show prefetch error in development still

This reverts commit 72823f04.

* Enable polyfillsOptimization

* Update sizes

* Commons is no longer there

* Update test

* Re-add Sass Docs

* Update built-in-css-support.md

* Apply lint-fix
Co-authored-by: NJJ Kasper <jj@jjsweb.site>

Co-authored-by: NJoe Haddad <timer150@gmail.com>

Just another app that I’ve been using for analysis

* Remove ts-ignore where possible

And replace by typecasts

* More accurate types

* bend cliententries in a correct shape earlier on

* comment becomes unnecessary

* add webpack overload to allow for the next.js use case

* Avoid changing public interface
Co-authored-by: NJoe Haddad <timer150@gmail.com>

* Speculate Navigations for Client-Side JS

* add tests

* avoid desctructure

* Rename to README-template.md

* Add yarn scripts

* Rewrite CNA README

* Forgot zeit link

* Simplify

* Update deploy doc

* Just link to the doc

* page is reloaded

* reload → update

* Deploy updates

This adds a `isFallback` property to detect if the page is being rendered in "fallback" mode or normal mode.
Accessed via the `useRouter()` hook.

---

Closes #10527

* 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>

* Check next.config.js settings

* Add tests

* test package.json case too

* Make sure to encode pathname for custom-route destination

* Add tests to security test suite

* Remove `native-url` Again

* update comment

* update sizes

* Update stripe-node.

* Update casting.

* Add global CSS styles 💅

* Remove emojies from README.

* Add twitter meta.

* Add demo gifs to README.

* Solid card icon.

* lint fix
Co-authored-by: NLuis Alvarez D. <luis@zeit.co>

* Make withApollo work with _app.js components

* Support wrapping functional _App

* Add apolloClient to NextPageContext & NextPageContext

* Propertly call App.getInitialProps if used in NextAppContext

* Add Automatic Static Optimization warning

* Update deps

* Reduce API surface

* Move back to singleton client

* Improve documentation

* Remove Head.rewind()
We can get rid of .rewind by now as the latest next/head no longer uses legacy context.

* Add extra docs

* Reuse apolloState coming from previous hocs
Co-authored-by: NJoe Haddad <timer150@gmail.com>

* Add failing SSG syntax

* Add handling for default as named export in SSG transform

* Revert [comment].js

* Revert index.js

* adjust
Co-authored-by: NJoe Haddad <timer150@gmail.com>