Biome Config

biome.json

{
  "$schema": "https://biomejs.dev/schemas/1.9.4/schema.json",
  "files": { "ignore": ["*/routeTree.gen.ts"], "ignoreUnknown": false },
  "formatter": {
    "attributePosition": "auto",
    "bracketSpacing": true,
    "enabled": true,
    "formatWithErrors": false,
    "indentStyle": "space",
    "indentWidth": 2,
    "lineEnding": "crlf",
    "lineWidth": 80,
    "useEditorconfig": true
  },
  "javascript": {
    "formatter": {
      "arrowParentheses": "always",
      "attributePosition": "auto",
      "bracketSameLine": false,
      "bracketSpacing": true,
      "jsxQuoteStyle": "double",
      "quoteProperties": "asNeeded",
      "quoteStyle": "double",
      "semicolons": "always",
      "trailingCommas": "all"
    }
  },
  "linter": {
    "enabled": true,
    "rules": {
      "complexity": {
        "noExtraBooleanCast": "error",
        "noMultipleSpacesInRegularExpressionLiterals": "error",
        "noUselessCatch": "error",
        "noUselessConstructor": "error",
        "noUselessLoneBlockStatements": "error",
        "noUselessRename": "error",
        "noUselessTernary": "error",
        "noUselessUndefinedInitialization": "error",
        "noWith": "error",
        "useLiteralKeys": "error",
        "useRegexLiterals": "error"
      },
      "correctness": {
        "noConstAssign": "error",
        "noEmptyCharacterClassInRegex": "off",
        "noEmptyPattern": "error",
        "noGlobalObjectCalls": "error",
        "noInvalidBuiltinInstantiation": "error",
        "noInvalidConstructorSuper": "error",
        "noInvalidUseBeforeDeclaration": "error",
        "noPrecisionLoss": "error",
        "noSelfAssign": "error",
        "noSwitchDeclarations": "error",
        "noUndeclaredVariables": "error",
        "noUnreachable": "error",
        "noUnreachableSuper": "error",
        "noUnsafeFinally": "error",
        "noUnusedImports": "warn",
        "noUnusedVariables": "warn",
        "useArrayLiterals": "error",
        "useExhaustiveDependencies": "warn",
        "useHookAtTopLevel": "error",
        "useIsNan": "error"
      },
      "nursery": {
        "useSortedClasses": {
          "fix": "safe",
          "level": "warn",
          "options": {}
        }
      },
      "recommended": false,
      "security": { "noGlobalEval": "error" },
      "style": {
        "noArguments": "error",
        "noCommaOperator": "error",
        "noRestrictedGlobals": {
          "level": "error",
          "options": { "deniedGlobals": ["global", "self"] }
        },
        "noVar": "error",
        "noYodaExpression": "error",
        "useConsistentBuiltinInstantiation": "error",
        "useConst": "error",
        "useExponentiationOperator": "error",
        "useNodejsImportProtocol": "error",
        "useNumberNamespace": "error",
        "useSingleVarDeclarator": "error",
        "useTemplate": "error",
        "useThrowNewError": "off"
      },
      "suspicious": {
        "noArrayIndexKey": "warn",
        "noAsyncPromiseExecutor": "error",
        "noCatchAssign": "error",
        "noClassAssign": "error",
        "noCompareNegZero": "error",
        "noConsole": {
          "level": "warn",
          "options": { "allow": ["warn", "error"] }
        },
        "noControlCharactersInRegex": "error",
        "noDebugger": "error",
        "noDoubleEquals": "error",
        "noDuplicateCase": "error",
        "noDuplicateClassMembers": "error",
        "noDuplicateJsxProps": "warn",
        "noDuplicateObjectKeys": "error",
        "noDuplicateParameters": "error",
        "noEmptyBlockStatements": "error",
        "noFallthroughSwitchClause": "error",
        "noFunctionAssign": "error",
        "noGlobalAssign": "error",
        "noImportAssign": "error",
        "noMisleadingCharacterClass": "error",
        "noPrototypeBuiltins": "error",
        "noRedeclare": "error",
        "noSelfCompare": "error",
        "noShadowRestrictedNames": "error",
        "noSparseArray": "error",
        "noUnsafeNegation": "error",
        "useDefaultSwitchClauseLast": "error",
        "useErrorMessage": "error",
        "useValidTypeof": "error"
      }
    }
  },
  "organizeImports": { "enabled": true },
  "vcs": { "clientKind": "git", "enabled": true }
}

settings.json

{
  // Auto fix
  "editor.codeActionsOnSave": {
    "source.fixAll.biome": "explicit",
    "source.organizeImports.biome": "explicit"
  },
  "[javascript]": {
    "editor.defaultFormatter": "biomejs.biome"
  },
  "[typescript]": {
    "editor.defaultFormatter": "biomejs.biome"
  },
  "[typescriptreact]": {
    "editor.defaultFormatter": "biomejs.biome"
  },
  "[css]": {
    "editor.defaultFormatter": "biomejs.biome"
  },
  "editor.formatOnSave": true,
  "files.readonlyInclude": {
    "**/routeTree.gen.ts": true
  },
  "files.watcherExclude": {
    "**/routeTree.gen.ts": true
  },
  "search.exclude": {
    "**/routeTree.gen.ts": true
  }
}