biome.json

{
  "$schema": "https://biomejs.dev/schemas/2.4.7/schema.json",
  "vcs": { "enabled": true, "clientKind": "git", "useIgnoreFile": true },
  "formatter": {
    "enabled": true,
    "indentStyle": "space",
    "indentWidth": 2,
    "lineWidth": 120
  },
  "linter": {
    "enabled": true,
    "rules": {
      "recommended": true,
      "style": {
        "noNonNullAssertion": "warn",
        "useConst": "error",
        "noParameterAssign": "off"
      },
      "suspicious": { "noExplicitAny": "warn" },
      "correctness": {
        "noUnusedVariables": "off",
        "noUnusedImports": "error"
      }
    }
  },
  "javascript": {
    "formatter": { "quoteStyle": "single", "semicolons": "always", "trailingCommas": "all" }
  },
  "files": { "includes": ["apps/**/*.ts", "packages/**/*.ts", "*.json", "apps/**/*.json", "packages/**/*.json"] }
}