Oxfmt

Oxfmt

High-performance formatter (~30x faster than Prettier) for JavaScript/TypeScript/JSON/CSS and more.

Installation

pnpm add -D oxfmt

Usage

# Format all files
pnpm oxfmt --write .

# Check formatting without writing
pnpm oxfmt --check .

# Initialize config
pnpm oxfmt --init

Configuration

Create .oxfmtrc.json:

{
  "$schema": "./node_modules/oxfmt/configuration_schema.json",
  "semi": false,
  "singleQuote": true,
  "trailingComma": "all",
  "printWidth": 80
}

Prettier-compatible options:

• semi - Add semicolons (default: true)
• singleQuote - Use single quotes (default: false)
• trailingComma - "all" | "es5" | "none"
• printWidth - Line width limit (default: 100)
• tabWidth - Spaces per indent (default: 2)
• useTabs - Use tabs (default: false)

Oxfmt-specific:

• experimentalSortImports - Sort imports
• experimentalTailwindcss - Sort Tailwind classes
• insertFinalNewline - Add final newline (default: true)

Migration from Prettier

Oxfmt automatically reads .prettierrc. To migrate:

1. Install oxfmt: pnpm add -D oxfmt
2. Rename .prettierrc to .oxfmtrc.json
3. Add "$schema": "./node_modules/oxfmt/configuration_schema.json"
4. Remove prettier from devDependencies
5. Update scripts: "format": "oxfmt --write"

Package.json Scripts

{
  "scripts": {
    "format": "oxfmt --write .",
    "format:check": "oxfmt --check ."
  }
}

References

• Oxfmt docs
• Config reference