biome.json

{
  "$schema": "./node_modules/@biomejs/biome/configuration_schema.json",
  "organizeImports": {
    "enabled": true
  },
  "json": {
    "formatter": {
      "enabled": true,
      "trailingCommas": "none",
      "lineWidth": 100,
      "indentStyle": "space",
      "indentWidth": 2,
      "lineEnding": "lf"
    }
  },
  "javascript": {
    "formatter": {
      "enabled": true,
      "arrowParentheses": "always",
      "bracketSpacing": true,
      "indentWidth": 2,
      "indentStyle": "space",
      "semicolons": "asNeeded",
      "lineWidth": 100,
      "quoteStyle": "single",
      "trailingCommas": "all"
    }
  },
  "files": {
    "include": [
      "./test/**/*.ts",
      "./src/**/*.ts",
      "./scripts/**/*.ts",
      "./biome.json",
      "./package.json"
    ],
    "ignore": ["./dist", "./coverage", "./node_modules"]
  },
  "formatter": {
    "enabled": true,
    "lineEnding": "lf",
    "indentStyle": "space",
    "indentWidth": 2
  },
  "linter": {
    "rules": {
      "performance": {
        "noAccumulatingSpread": "error",
        "noBarrelFile": "error",
        "noDelete": "error",
        "noReExportAll": "error"
      },
      "style": {
        "noNonNullAssertion": "off",
        "noDefaultExport": "error",
        "noParameterAssign": "error",
        "useTemplate": "error",
        "useShorthandAssign": "error",
        "useShorthandFunctionType": "error",
        "noVar": "error",
        "noUselessElse": "error",
        "noUnusedTemplateLiteral": "off",
        "useConst": "error",
        "useExportType": "error",
        "useNodejsImportProtocol": "error",
        "useForOf": "error",
        "useImportType": "error"
      },
      "correctness": {
        "noConstAssign": "error",
        "noConstructorReturn": "error",
        "noGlobalObjectCalls": "error",
        "noInnerDeclarations": "error",
        "noInvalidConstructorSuper": "error",
        "noInvalidNewBuiltin": "error",
        "noSelfAssign": "error",
        "noSetterReturn": "error",
        "noUnreachable": "error",
        "useYield": "error",
        "useValidForDirection": "error",
        "noUnusedVariables": "error",
        "noUnusedImports": "error",
        "noUnusedPrivateClassMembers": "error",
        "noUnreachableSuper": "error",
        "noUndeclaredVariables": "error",
        "useImportExtensions": {
          "level": "error",
          "fix": "safe",
          "options": {
            "suggestedExtensions": {
              "ts": {
                "module": "js",
                "component": "js"
              },
              "mts": {
                "module": "mjs",
                "component": "mjs"
              }
            }
          }
        }
      },
      "suspicious": {
        "noGlobalIsNan": "off",
        "noAssignInExpressions": "error",
        "noCatchAssign": "error",
        "noClassAssign": "error",
        "noConsoleLog": "error",
        "noDuplicateCase": "error",
        "noDuplicateClassMembers": "error",
        "noEmptyBlockStatements": "off",
        "useValidTypeof": "error",
        "useIsArray": "error",
        "useGetterReturn": "error",
        "useAwait": "error",
        "noSkippedTests": "off",
        "noShadowRestrictedNames": "error",
        "noRedeclare": "error",
        "noDuplicateParameters": "error",
        "noDuplicateObjectKeys": "error",
        "noPrototypeBuiltins": "error",
        "noMisleadingInstantiator": "error",
        "noExplicitAny": "error",
        "noFocusedTests": "error",
        "noGlobalAssign": "error",
        "noFunctionAssign": "error"
      },
      "complexity": {
        "noForEach": "error",
        "useOptionalChain": "error",
        "noEmptyTypeParameters": "off",
        "noExcessiveCognitiveComplexity": {
          "level": "error",
          "options": {
            "maxAllowedComplexity": 15
          }
        },
        "noExtraBooleanCast": "error",
        "noBannedTypes": "off"
      }
    }
  }
}