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

npm install -g prettier

Examples

# 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