…ing.prototype.length` (#5704)

* fix: counts graphemes instead of String length

* Update packages/eslint-plugin/src/rules/ban-ts-comment.ts

Co-authored-by: Josh Goldberg <git@joshuakgoldberg.com>

* chore: add valid tests

* Add grapheme-splitter to peerDependencies

* Move to standard dependency

* No more peerDependency

Co-authored-by: Josh Goldberg <git@joshuakgoldberg.com>
Co-authored-by: Josh Goldberg <me@joshuakgoldberg.com>

… type declarations (#6211)

* 🚧 key-spacing for interface on default settings

* 🚧 Support type literals as welll

* 🚧 Add full typing for the options

* 🚧 Add 'mode' param

* 🐛 Fix index signatures

* ✨ Support classes

* 🩹 fixes

* ✅ Add tests on mode, multiLine, singleLine

* 🏷️ Allow options.multiline.align to be an object

* 🎨 Use ast utils to locate last character before token

* ✨ Support comments in-between properties

* ✅ Add test cases for nested type declarations & multiline type annotations

* ✨ Autofix for non-aligned values

* ✨ Autofix for aligned values

* ✏️

* 🚨

* 🐛 Support optional ? token

* ✅ Add tests with class property assignments

* 📝 Add documentation on key-spacing

* 🎨 Use .at() to access last element of array

* ✅ Fix tests

* fixup! ✅ Fix tests

* ✅ Add some coverage

* 🐛 Fix edge case in determining aligned groups

In case there is three statements in one line, and one statement in the line after

* ⚡️ Use Array.concat instead of .push(...)

.push could error if 60k + arguments

* 🎨 Improve readability

* 🎨 Use tempate literals in tests

* ✅ Add test with anonymous types

* ✅ Add test with quoted keys

* ➕ Add grapheme-splitter to deal with emojis

* ✅ Add test case for multiline comments

* 🚨 Remove 'in' statements, reduce amount of null-assertions

* ✅ Add test case for properties without type annotation or assignments

* ✅ Add wacky test cases

* ✅ Add coverage

* ✅ Add coverage, again

* ✅ Add coverage, again

* ✅ Add coverage when align is an object, but align.on is missing

It defaults to 'colon' in this case

* KeyTypeNodeWithTypeAnnotation

* Extract to shared helper

Co-authored-by: Josh Goldberg <git@joshuakgoldberg.com>

closes: #6354

#5919)

* fix(eslint-plugin): [prefer-optional-chain] fixer produces wrong logic (#1438)

* Update packages/eslint-plugin/src/rules/prefer-optional-chain.ts

* fix(eslint-plugin): [prefer-optional-chain] fix tests

* fix(eslint-plugin): [prefer-optional-chain] fix tests

Co-authored-by: Josh Goldberg <git@joshuakgoldberg.com>
Co-authored-by: Святослав Зайцев <sz@agentapp.ru>

…d link (#6223)

…6321)

* docs: describe update steps for ESLint, Node, and TypeScript

* lil typo fix, and a heart

* Finalize VERSIONING/Versioning.md rename

* chore(website): reorganized sidebar and header nav a bit

* Fix Formatting.md link case

#6391)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

…`PrivateIdentifier` errors (#6028)