biome.json

{
  "$schema": "https://biomejs.dev/schemas/1.8.3/schema.json",
  "vcs": {
    "enabled": true,
    "clientKind": "git",
    "useIgnoreFile": true
  },
  "organizeImports": { "enabled": true },
  "formatter": {
    "enabled": true,
    "formatWithErrors": false,
    "indentStyle": "space",
    "indentWidth": 2,
    "lineEnding": "lf",
    "lineWidth": 120,
    "attributePosition": "auto"
  },
  "javascript": {
    "formatter": {
      "jsxQuoteStyle": "double",
      "quoteProperties": "asNeeded",
      "trailingCommas": "all",
      "semicolons": "always",
      "arrowParentheses": "always",
      "bracketSpacing": true,
      "bracketSameLine": false,
      "quoteStyle": "single",
      "attributePosition": "auto"
    }
  },
  "linter": {
    "enabled": true,
    "rules": {
      "recommended": false,
      "complexity": {
        "noBannedTypes": "error",
        "noUselessTypeConstraint": "error"
      },
      "correctness": {
        "noPrecisionLoss": "error",
        "noUnusedVariables": "off",
        "useArrayLiterals": "off"
      },
      "style": {
        "noNamespace": "error",
        "noNonNullAssertion": "off",
        "useAsConstAssertion": "error",
        "useBlockStatements": "off"
      },
      "suspicious": {
        "noExplicitAny": "off",
        "noExtraNonNullAssertion": "error",
        "noFallthroughSwitchClause": "error",
        "noMisleadingInstantiator": "error",
        "noUnsafeDeclarationMerging": "error"
      }
    }
  },
  "overrides": [
    { "include": ["*.md"], "formatter": { "lineWidth": 100 } },
    { "include": ["fixture/**"], "linter": { "enabled": false } }
  ]
}