v19.0.0: Flat Config

BREAKING CHANGES

• update supported Node.js version: ^18.18.2 || >=20.9.0 (Maintenance, LTS and Current)
• now pure ESM
• support only new Flat Config (drop old eslintrc style)
• make prettier optional peer dependencies
• rewrite config for ESM
• just use with prettier
  • drop +prettier preset
  • remove deprecated formatting rules (use prettier)
  • remove eslint-config-prettier
• replace eslint-plugin-eslint-comments with the @eslint-community version
• drop +closure preset
• enable some useful rules

Features

• add builder and utilities for flat configs
• add init script

v19.0.0...v18.0.0