# Prettier

> Use this skill when the user wants to format code with prettier.

- Skill: `javimosch/prettier` (Agent Skill)
- Install (CLI): `npx skillmds@latest add javimosch/prettier`
- Raw SKILL.md: https://api.skillmd.com/api/skills/javimosch/prettier/raw
- Safety review: PASS (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: javimosch (https://skillmd.com/u/javimosch)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/javimosch/prettier

---


# Prettier Plugin

Code formatter using prettier. Opinionated code formatter for JavaScript, TypeScript, CSS, HTML, JSON, and more.

## Commands

### Code Formatting
- `prettier file format` — Format file with prettier
- `prettier file check` — Check if files are formatted

## Usage Examples
- "prettier file format --file index.js"
- "prettier file check --file src/"
- "prettier file format --file index.js --single_quote"

## Installation

```bash
npm install -g prettier
```

## Examples

```bash
# Format a file
prettier --write index.js

# Format entire directory
prettier --write src/

# Check if files are formatted
prettier --check src/

# Format with single quotes
prettier --write --single-quote index.js

# Format with trailing commas
prettier --write --trailing-comma all index.js

# Format JSON
prettier --write package.json

# Check formatting
prettier --check src/
```

## Key Features
- Opinionated code formatting
- Supports multiple languages (JS, TS, CSS, HTML, JSON, Markdown)
- Configurable via .prettierrc
- Check mode for CI/CD
- Consistent code style across projects