Formatter Options

Use this reference when normalizing project formatting with Biome.

Common Formatter Settings

{
  "formatter": {
    "enabled": true,
    "indentStyle": "space",
    "indentWidth": 2,
    "lineWidth": 100,
    "lineEnding": "lf"
  },
  "javascript": {
    "formatter": {
      "quoteStyle": "double",
      "trailingCommas": "all"
    }
  }
}

Verify

bunx @biomejs/biome format . --write

bunx @biomejs/biome check .

Migration Note

Run Biome formatter once after removing Prettier from the same files.