Co-authored-by: Nicolò Ribaudo <nicolo.ribaudo@gmail.com>

* Add "<" parser tests

*  No {jsx,flow,typescript} plugin

* Type parameter

* Valid JS Code

* Add: better parser error when using jsx

Address #11499

* Add: babel parser test

Test parser with no plugins and when jsx is given with a js expression

* Add: no flow but with typescript test

* Add: type paramter test with no plugins (no flow)

* Add: unclosed jsx element test

* Add @babel/eslint-plugin-internal

* Add dry-error-messages rule

* Address feedback

* Enable new rule

* fix author field

* Fix errors

* Add readme

* Add example configuration

* Handle directories

* run make bootstrap

* More updates!

* Fix errors

* Update tests

* Fix CI race condition

* fix: statementlist behavior

* fixed prettier and babel-types/converter errors

* added check for first node

* remove node length check, only check if node is first

* add reset eLU if proceeding is non-empty

* fix failure for ci tests

* remove .expressions since sequence expression isn't produced

* changed test title

…st" etc. (#11758)

Co-authored-by: Huáng Jùnliàng <jlhwung@gmail.com>

* Support private properties for semi rule

* Combine selectors