biomelisted

# Biome Fast, unified linting, formatting, and import organization for JavaScript, TypeScript, JSX, CSS, and GraphQL. Biome 2.4 provides type-aware linting without the TypeScript compiler, GritQL plugins for custom rules, and domain-based rule grouping. Single binary, zero config by default, 97% Prettier compatibility. ## Critical Rules ### `files.ignore` DOES NOT EXIST - use `files.includes` with negation Biome 2.x only supports `files.includes` (with an `s`). There is NO `files.ignore`, NO `files.include` (without `s`), NO `files.exclude`. Using any of these will throw `Found an unknown key` errors. The only valid keys under `files` are: `includes`, `maxSize`, `ignoreUnknown`. (`experimentalScannerIgnores` exists but is now marked **deprecated** in upstream docs and may be removed.) To exclude files (generated code, vendored files, etc.), use negation patterns in `files.includes`: ```json { "files": { "includes": ["**", "!**/routeTree.gen.ts", "!**/generated/**"] } } ``` For paths the scanner must skip even when other tools or assists would otherwise touch them, use the `!!` force-ignore syntax inside `files.includes` (replaces `experimentalScannerIgnores`): ```json { "files": { "includes": ["**", "!!**/legacy-vendor/**"] } } ``` Do NOT use `overrides` with `linter/formatter/assists: { enabled: false }` to skip generated files - that approach is fragile (easy to miss a subsystem like assists/import organizer) and unnecessarily complex. Just exclude