denoland-deno/cli/tests/testdata/fmt/deno.jsonc

{
  "fmt": {
    "files": {
      "include": ["fmt/fmt_with_config/"],
      "exclude": ["fmt/fmt_with_config/b.ts"]
    },
    "options": {
      "useTabs": true,
      "lineWidth": 40,
      "indentWidth": 8,
      "singleQuote": true,
      "proseWrap": "always"
    }
  }
}