biome.json

{
  "$schema": "https://biomejs.dev/schemas/1.8.3/schema.json",
  "formatter": {
    "enabled": true,
    "formatWithErrors": false,
    "indentStyle": "space",
    "indentWidth": 2,
    "lineEnding": "lf",
    "lineWidth": 80,
    "attributePosition": "auto"
  },
  "organizeImports": { "enabled": true },
  "linter": {
    "enabled": true,
    "rules": {
      "security": { "noDangerouslySetInnerHtmlWithChildren": "warn" },
      "style": {
        "noNamespace": "error",
        "useAsConstAssertion": "error",
        "useBlockStatements": "off",
        "useImportType": "error",
        "useConsistentArrayType": {
          "level": "warn",
          "options": { "syntax": "shorthand" }
        },
        "noArguments": "error",
        "noVar": "error",
        "useConst": "error"
      },
      "suspicious": {
        "noAssignInExpressions": "error",
        "noAsyncPromiseExecutor": "error",
        "noCatchAssign": "error",
        "noClassAssign": "error",
        "noCompareNegZero": "error",
        "noControlCharactersInRegex": "error",
        "noDebugger": "error",
        "noDoubleEquals": "warn",
        "noDuplicateCase": "error",
        "noDuplicateClassMembers": "error",
        "noDuplicateJsxProps": "error",
        "noDuplicateObjectKeys": "error",
        "noDuplicateParameters": "error",
        "noEmptyBlockStatements": "error",
        "noExplicitAny": "error",
        "noExtraNonNullAssertion": "error",
        "noFallthroughSwitchClause": "error",
        "noFunctionAssign": "error",
        "noGlobalAssign": "error",
        "noImportAssign": "error",
        "noMisleadingCharacterClass": "error",
        "noMisleadingInstantiator": "error",
        "noPrototypeBuiltins": "error",
        "noRedeclare": "error",
        "noShadowRestrictedNames": "error",
        "noUnsafeDeclarationMerging": "error",
        "noUnsafeNegation": "error",
        "useGetterReturn": "error",
        "useValidTypeof": "error"
      },
      "nursery": {
        "useSortedClasses": "warn"
      },
      "complexity": {
        "noBannedTypes": "error",
        "noUselessConstructor": "warn"
      },
      "correctness": {
        "noUndeclaredVariables": "off",
        "noUnusedVariables": "warn",
        "noConstAssign": "off",
        "noGlobalObjectCalls": "off",
        "noInvalidConstructorSuper": "off",
        "noInvalidNewBuiltin": "off",
        "noNewSymbol": "off",
        "noSetterReturn": "off",
        "noUnreachable": "off",
        "noUnreachableSuper": "off",
        "noUnusedImports": "warn"
      }
    },
    "ignore": ["**/metro.config.js", "android/app/build"]
  },
  "javascript": {
    "formatter": {
      "jsxQuoteStyle": "double",
      "quoteProperties": "asNeeded",
      "trailingCommas": "all",
      "semicolons": "always",
      "arrowParentheses": "always",
      "bracketSpacing": true,
      "bracketSameLine": false,
      "quoteStyle": "double",
      "attributePosition": "auto"
    },
    "globals": ["console", "__DEV__", "shared-node-browser"]
  },
  "vcs": {
    "enabled": true,
    "clientKind": "git",
    "useIgnoreFile": true
  }
}