Agent skill

code-formatting

Format code on the current branch using Biome. Use when asked to format, lint, or clean up code before committing or creating a PR.

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Forks 31

Install this agent skill to your Project

npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/data/code-formatting

SKILL.md

Code Formatting

Format JS/TS/JSON files changed on the current branch using Biome.

Quick Usage

bash
.claude/skills/code-formatting/scripts/format-branch.sh

This formats all .js, .ts, .jsx, .tsx, .json, .jsonc files changed compared to main.

Custom Base Branch

bash
.claude/skills/code-formatting/scripts/format-branch.sh develop

What It Does

  1. Finds files changed on current branch vs base branch
  2. Filters to JS/TS/JSON files only
  3. Runs npx biome check --write on those files
  4. Uses same settings as the biome-check.yml CI workflow

Config

Biome config is at biome.jsonc in repo root.

Notes

  • Run from repo root
  • Requires Node.js/npx
  • Only formats changed files (not entire codebase)

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