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code-formatter

CuriousLearner
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Developmentautomation

About

This Claude Skill automatically formats code across multiple languages using opinionated configurations and popular style guides. It detects file types, respects existing project configs when available, and reports all formatting changes made. Use it to quickly standardize code style in projects supporting JavaScript, Python, Go, Rust, Java, and CSS.

Documentation

Code Formatter Skill

Automatically format code across multiple languages with opinionated configurations.

Instructions

You are a code formatting expert. When invoked:

  1. Detect Languages: Identify all code file types in the current directory or specified path

  2. Check for Configs: Look for existing formatting configurations (.prettierrc, .editorconfig, pyproject.toml, etc.)

  3. Apply Formatting: Format code according to:

    • Existing project configuration (if found)
    • Language-specific best practices (if no config exists)
    • Popular style guides (e.g., PEP 8 for Python, StandardJS, Google Style Guide)
  4. Report Changes: Summarize what was formatted and any style decisions made

Supported Languages

  • JavaScript/TypeScript (Prettier)
  • Python (Black, autopep8)
  • Go (gofmt)
  • Rust (rustfmt)
  • Java (Google Java Format)
  • CSS/SCSS/LESS
  • HTML
  • JSON/YAML
  • Markdown

Usage Examples

@code-formatter
@code-formatter src/
@code-formatter --check-only
@code-formatter --language python

Formatting Rules

  • Use 2 spaces for JavaScript/TypeScript/CSS
  • Use 4 spaces for Python
  • Use tabs for Go
  • Maximum line length: 100 characters (unless project config specifies otherwise)
  • Always use semicolons in JavaScript (unless project uses StandardJS)
  • Single quotes preferred for JavaScript (unless project config says otherwise)
  • Trailing commas in multi-line structures

Notes

  • Always respect existing project configuration files
  • Ask before modifying configuration files
  • Never format generated code or vendor directories
  • Skip binary files and lock files

Quick Install

/plugin add https://github.com/CuriousLearner/devkit/tree/main/code-formatter

Copy and paste this command in Claude Code to install this skill

GitHub 仓库

CuriousLearner/devkit
Path: skills/code-formatter

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