* Update getInitialProps to getStaticProps

* Updated example
Co-authored-by: NLuis Alvarez <luis@zeit.co>

* Remove unused files

* Update next
Co-authored-by: NJoe Haddad <joe.haddad@zeit.co>

* use getServerSideProps

* run Prettier

* update react

* use getStaticProps

* delete query

* Remove data fetching requirements
Co-authored-by: N“kosuke_matano” <kosuke_matano@cyberagent.co.jp>
Co-authored-by: NLuis Alvarez <luis@zeit.co>

* Updated analyze-bundles example

* Updated react and react-dom (for hooks)

* Correct Cache-Control Behavior for GS(S)P

* remove old line

* fix test

* update next-sass example to use built-in sass support

* Update README.md
Co-authored-by: NJoe Haddad <joe.haddad@zeit.co>

* feat: update api-routes example to SSG

* Update examples/api-routes/components/Person.js
Co-authored-by: NLuis Alvarez D <luis@zeit.co>

* Update to SSG

* Change to getServerSideProps

* Fix lint

* Update

Co-authored-by: NJoe Haddad <joe.haddad@zeit.co>

* Add Array.flat polyfill to nomodule-polyfills

* Fix code style issue

* Generic form of GetStaticProps and GetServerSideProps

* Oops, fix type!

* Add constraint for P

* Update packages/next/types/index.d.ts
Co-authored-by: NJoe Haddad <timer150@gmail.com>
Co-authored-by: NJoe Haddad <joe.haddad@zeit.co>

* Make sure to not show pages/404 GIP error from _app having GIP

* Add error for getStaticProps in pages/404 too

* Add support for getStaticProps in pages/404

* Update test

* Improve Sass Error

* test sass error massage

* use quotes
Co-authored-by: NJJ Kasper <jj@jjsweb.site>

* Use core-js promise polyfill for nomodule browsers

Also updated to the core-js@3 features modules instead of importing the exact modules directly.

Fixes #10966

* Simplify reflect and regexp

* Add ie11 test for bad Promise

* Add test script for regexp and ie11
Co-authored-by: NJJ Kasper <jj@jjsweb.site>
Co-authored-by: NJoe Haddad <joe.haddad@zeit.co>

* Example with-react-relay-network-modern: update dependencies

* Example with-react-relay-network-modern: move relay __generated__ out of pages dir

* Example with-react-relay-network-modern: fix some errors

- Without checking if props.allBlogPosts exists it fails sometimes on
  "TypeError: Cannot read property 'edges' of undefined"

- I have no idea how it could work before with Component.query().params.name,
  but maybe some dependent library API has changed

* Example with-relay-modern-server-express: update dependencies

* Example with-relay-modern-server-express: move relay __generated__ out of pages dir

Fixes Error: Build optimization failed: found page without a React Component as default export in
pages/__generated__/pages_indexQuery.graphql

* Example with-relay-modern: update dependencies

* Example with-react-relay-network-modern: fix prettier errors

* Make sure to not show pages/404 GIP error from _app having GIP

* Add error for getStaticProps in pages/404 too

* fix missing open parenthesis

* Apply suggestions from code review
Co-Authored-By: NJJ Kasper <jj@jjsweb.site>
Co-authored-by: NJJ Kasper <jj@jjsweb.site>

* Update handling for unnamed params and named patterns in custom-routes

* Update query handling to match Now

* Add missing words

* Update docs/basic-features/data-fetching.md
Co-Authored-By: NJJ Kasper <jj@jjsweb.site>
Co-authored-by: NJJ Kasper <jj@jjsweb.site>
Co-authored-by: NJoe Haddad <joe.haddad@zeit.co>

* Correctly Count Object References

* Make error message better

* add more tests

* Verify GS(S)P Serializability

* Add support for cyclic refs

* Add unit tests

* Test for error in development mode

* Fix prerender preview tests

* Fix gssp preview tests

* fix 2x test cases

* Add desired test

* fix some more tests

* Fix route manifest expect

* Fix test expects

* Test that `getServerSideProps` does not error in production

* Test that getStaticProps is not checked in production

* Test serialization check during build

* Fix export detection for serverless

* Update test/unit/is-serializable-props.test.js
Co-Authored-By: NJJ Kasper <jj@jjsweb.site>
Co-authored-by: NJJ Kasper <jj@jjsweb.site>