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setup-pre-commit

vinvcn/mattpocock-skills-zh-cn

How to install setup-pre-commit

npx skills add https://github.com/vinvcn/mattpocock-skills-zh-cn --skill setup-pre-commit
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Full instructions (SKILL.md)

Source of truth, from vinvcn/mattpocock-skills-zh-cn.


name: setup-pre-commit description: 在当前 repo 设置 Husky pre-commit hooks,集成 lint-staged (Prettier)、type checking 和 tests。Use when user wants to add pre-commit hooks, set up Husky, configure lint-staged, or add commit-time formatting/typechecking/testing.

Setup Pre-Commit Hooks

What This Sets Up

  • Husky pre-commit hook
  • lint-staged 对所有 staged files 运行 Prettier
  • Prettier config(如果缺失)
  • pre-commit hook 中的 typechecktest scripts

Steps

1. Detect package manager

检查 package-lock.json (npm)、pnpm-lock.yaml (pnpm)、yarn.lock (yarn)、bun.lockb (bun)。使用存在的那个。不清楚时默认 npm。

2. Install dependencies

作为 devDependencies 安装:

husky lint-staged prettier

3. Initialize Husky

npx husky init

这会创建 .husky/ dir,并向 package.json 添加 prepare: "husky"

4. Create .husky/pre-commit

写入这个文件(Husky v9+ 不需要 shebang):

npx lint-staged
npm run typecheck
npm run test

Adapt:把 npm 替换为检测到的 package manager。如果 repo 的 package.json 没有 typechecktest script,就省略对应行并告知用户。

5. Create .lintstagedrc

{
  "*": "prettier --ignore-unknown --write"
}

6. Create .prettierrc (if missing)

只有没有 Prettier config 时才创建。使用这些 defaults:

{
  "useTabs": false,
  "tabWidth": 2,
  "printWidth": 80,
  "singleQuote": false,
  "trailingComma": "es5",
  "semi": true,
  "arrowParens": "always"
}

7. Verify

  • .husky/pre-commit 存在且可执行
  • .lintstagedrc 存在
  • package.json 中的 prepare script 是 "husky"
  • prettier config 存在
  • 运行 npx lint-staged 验证可用

8. Commit

Stage 所有 changed/created files,并用 message 提交:Add pre-commit hooks (husky + lint-staged + prettier)

这会经过新的 pre-commit hooks,是一个不错的 smoke test。

Notes

  • Husky v9+ 不需要 hook files 中的 shebangs
  • prettier --ignore-unknown 会跳过 Prettier 无法 parse 的 files(images 等)
  • pre-commit 先运行 lint-staged(快,只针对 staged files),再运行完整 typecheck 和 tests

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