* Add tests for getStaticPaths

* Fix edge case in fetch polyfill

Fixes #12794

* Correct typo in tests

* updates relayer, uses web-vital lib, removes fid polyfill and removes unstable prefix from relayer

* simplify logic, fix null check

* update docs

* Update tests

* Rename relayWebVitals to reportWebVitals
Co-authored-by: Nhousseindjirdeh <houssein@google.com>

* Allow `@babel/preset-typescript` to be configured

Some usages, e.g. [getting parameter decorators to work properly](https://github.com/WarnerHooh/babel-plugin-parameter-decorator/pull/19), require configuring `@babel/preset-typescript`.

This commit adds that functionality to `next/babel`.

* Add unit test for babel/preset allowing to pass options to @babel/preset-typescript

* Add integration test for onlyRemoveTypeImports

* Update babel dependencies

* Update to compatible typescript version and fix types

* Fix linting and run pre-nccing

* Update size-limit test

* Add additional tests

* Re-Apply delta to be calculated using -262
Co-authored-by: NJJ Kasper <jj@jjsweb.site>

* Add new logger output

* Fix tests

* Fix tests

* Update next start log for consistency

* Fix cli tests

* Fix tsconfig tests

* Update plugins test

* Fix invalid-custom-routes tests

* Revert "Fix invalid-custom-routes tests"

This reverts commit 8e8eec11dd21feb2186163856207bb974110c13e.

* Revert "Update plugins test"

This reverts commit 3f09270509ea52a1b4f0515cee8e4e711f7e1b16.

* Revert "Fix tsconfig tests"

This reverts commit a4c23bb120e81a15ea50dc6ad1ad097368ef3be6.

* Revert "Fix cli tests"

This reverts commit ff3a321d29bd9afb09f7cf550823010a08a54ae1.

* Revert "Update next start log for consistency"

This reverts commit 481509d8f713a918b7a125e4b7f7bc5c5990c2e1.

* Revert "Fix tests"

This reverts commit 6fb2cb59f79fdf8495fc7288c1c18ece75279ed7.

* Revert "Fix tests"

This reverts commit 9d37298dbc20392a33338cf45166ad86c556de4b.

* Fix tests

* Update next start message

* Update packages/next/build/output/log.ts
Co-Authored-By: NJoe Haddad <timer@zeit.co>

* Fix tests
Co-authored-by: NJoe Haddad <timer@zeit.co>
Co-authored-by: NJoe Haddad <joe.haddad@zeit.co>

* Dedupe webpack

* Dedupe deps

* Update compiled deps

* Upgrade webpack

* rebundle

* Add Fast Refresh Support

* Add Basic Acceptance Test

* Increase delay

* fix version

* Ignore test files

* Update packages/next/build/webpack/loaders/next-babel-loader.js

* Copy tests

* Redo test style

* drop directory

* fix compile

* fix remove function

* Update helpers

* refactor(next-client-pages-loader): allow toggling router HMR

* Turn on

* Toggle dev properly

* Fix Test Run Order

* Enable "paths" support by default

* Enable NEXT_PUBLIC_ prefix exposing the variable globally

Part of #11106

* Disable PnP plugin in webpack 5
Co-Authored-By: NZack Jackson <zackary.l.jackson@gmail.com>

* Use full hashes for hot update names
Co-Authored-By: NZack Jackson <zackary.l.jackson@gmail.com>

* Disable autodll in webpack 5
Co-Authored-By: NZack Jackson <zackary.l.jackson@gmail.com>

* Disable HashedModuleIdsPlugin in webpack 5
Co-Authored-By: NZack Jackson <zackary.l.jackson@gmail.com>

* Use regexes for ignoreplugin as it only supports regexes in webpack 5
Co-Authored-By: NZack Jackson <zackary.l.jackson@gmail.com>

* webpack 4 supports resourceRegExp and contextRegExp
Co-Authored-By: NZack Jackson <zackary.l.jackson@gmail.com>

* Remove webpack 4 specific properties from the webpack 5 config
Co-Authored-By: NZack Jackson <zackary.l.jackson@gmail.com>

* Add library option for webpack 5 support
Co-Authored-By: NZack Jackson <zackary.l.jackson@gmail.com>

* Fix TypeScript Errors
Co-authored-by: NZack Jackson <zackary.l.jackson@gmail.com>
Co-authored-by: NJoe Haddad <joe.haddad@zeit.co>