• Biome: A fast JavaScript/TypeScript formatter/linter built in Rust
  • ESLint Custom Rule
    • Write checking logic using the AST, file and type information, and more to flexibly check even complex rules
    • Report violations with context.report()
  • Biome GritQL Plugin
    • Declaratively pattern-match code structures with GritQL
    • Can modify code (rewrite) as well as diagnose it => also useful for codemode
BiomeGritQLBasic usage of GritQL in Biome (opens in a new window)eslint.orgCustom Rules - ESLint - Pluggable JavaScript Linterhttps://eslint.org/docs/latest/extend/custom-rules (opens in a new window)