Biome
Biome is a linter for JavaScript, TypeScript, JSX, TSX, JSON, JSONC, CSS.
Files
Biome will run on files with the following extensions:
.js.ts.cjs.mjs.d.cts.d.mts.jsx.tsx.json.jsonc.css
Configuration
Biome supports the following config files:
biome.jsoncbiome.json
CodeRabbit will use the following settings based on the profile selected if no config file is found:
Chill
{
"$schema": "https://biomejs.dev/schemas/1.8.3/schema.json",
"organizeImports": {
"enabled": false
},
"formatter": {
"enabled": false
},
"linter": {
"enabled": true,
"rules": {
"all": false,
"recommended": true,
"a11y": {
"recommended": false
},
"correctness": {
"useExhaustiveDependencies": "off",
"noInnerDeclarations": "off"
},
"style": {
"recommended": false,
"noArguments": "warn",
"noCommaOperator": "warn",
"noUselessElse": "warn",
"useAsConstAssertion": "off",
"useBlockStatements": "off",
"useConsistentArrayType": "off",
"useDefaultParameterLast": "warn",
"useEnumInitializers": "off",
"useExponentiationOperator": "warn",
"useExportType": "off",
"useFragmentSyntax": "off",
"useImportType": "off",
"useLiteralEnumMembers": "warn",
"useShorthandArrayType": "off",
"noUnusedTemplateLiteral": "off"
},
"complexity": {
"noForEach": "off",
"noExcessiveCognitiveComplexity": {
"level": "off",
"options": {
"maxAllowedComplexity": 25
}
},
"useLiteralKeys": "off",
"useArrowFunction": "off",
"useFlatMap": "off"
},
"suspicious": {
"noArrayIndexKey": "off",
"noExplicitAny": "off",
"noImplicitAnyLet": "off",
"noDoubleEquals": "off"
},
"nursery": {
"all": false
}
}
},
"css": {
"linter": {
"enabled": true
},
"parser": {
"cssModules": true
}
},
"javascript": {
"parser": {
"unsafeParameterDecoratorsEnabled": true
}
}
}
Assertive
{
"$schema": "https://biomejs.dev/schemas/1.8.3/schema.json",
"organizeImports": {
"enabled": false
},
"formatter": {
"enabled": false
},
"linter": {
"enabled": true,
"rules": {
"all": false,
"recommended": true,
"a11y": {
"recommended": ""
},
"correctness": {
"useExhaustiveDependencies": "off",
"noInnerDeclarations": "warn"
},
"style": {
"recommended": true,
"noArguments": "warn",
"noCommaOperator": "warn",
"noUselessElse": "warn",
"useAsConstAssertion": "off",
"useBlockStatements": "off",
"useConsistentArrayType": "off",
"useDefaultParameterLast": "warn",
"useEnumInitializers": "off",
"useExponentiationOperator": "warn",
"useExportType": "off",
"useFragmentSyntax": "off",
"useImportType": "off",
"useLiteralEnumMembers": "warn",
"useShorthandArrayType": "off",
"noUnusedTemplateLiteral": "off"
},
"complexity": {
"noForEach": "off",
"noExcessiveCognitiveComplexity": {
"level": "warn",
"options": {
"maxAllowedComplexity": 25
}
},
"useLiteralKeys": "off",
"useArrowFunction": "",
"useFlatMap": ""
},
"suspicious": {
"noArrayIndexKey": "",
"noExplicitAny": "",
"noImplicitAnyLet": "",
"noDoubleEquals": ""
},
"nursery": {
"all": false
}
}
},
"css": {
"linter": {
"enabled": true
},
"parser": {
"cssModules": true
}
},
"javascript": {
"parser": {
"unsafeParameterDecoratorsEnabled": true
}
}
}