Longmo's Preferences

| Category | Preference | |----------------------|-------------------------------------------------------------------------------| | Package Manager | pnpm (with @antfu/ni for unified commands) | | Language | TypeScript (strict mode, ESM only) | | Linting & Formatting | @antfu/eslint-config (no Prettier) + eslint-plugin-oxlint + commitlint | | Testing | Vitest | | Git Hooks | lefthook | | Bundler (Libraries) | tsdown | | Documentation | VitePress |

---

Core Conventions

@antfu/ni Commands

| Command | Description | |----------------------------|--------------------------------------------| | ni | Install dependencies | | ni <pkg> / ni -D <pkg> | Add dependency / dev dependency | | nr <script> | Run script | | nu | Upgrade dependencies | | nun <pkg> | Uninstall dependency | | nci | Clean install (pnpm i --frozen-lockfile) | | nlx <pkg> | Execute package (npx) |

TypeScript Config

{
	"compilerOptions": {
		"target": "ESNext",
		"module": "ESNext",
		"moduleResolution": "bundler",
		"strict": true,
		"esModuleInterop": true,
		"skipLibCheck": true,
		"resolveJsonModule": true,
		"isolatedModules": true,
		"noEmit": true
	}
}

ESLint Setup

// eslint.config.mjs
import antfu from '@antfu/eslint-config'
import oxlint from 'eslint-plugin-oxlint'

export default [
    ...(await antfu({
        vue: {
            overrides: {
                'vue/html-self-closing': 'off',
            },
        },
    })),
    ...oxlint.configs['flat/all'],
]

Fix linting errors with nr lint --fix. Do NOT add a separate lint:fix script.

For detailed configuration options: antfu-eslint-config

Commit Message Guidelines

// commitlint.config.mjs
export default {
    extends: ['@commitlint/config-conventional'],
    rules: {
        'type-enum': [
            2,
            'always',
            [
                'feat',     // 新功能
                'fix',      // 修复
                'docs',     // 文档
                'style',    // 代码格式（不影响代码运行的变动）
                'refactor', // 重构
                'perf',     // 性能优化
                'test',     // 测试
                'chore',    // 构建过程或辅助工具的变动
                'ci',       // CI配置
                'revert',   // 回滚
                'build',    // 构建系统
            ],
        ],
        'subject-case': [0], // 不限制 subject 大小写
    },
}

Lefthook Configuration

# Lefthook 配置文件
# 参考：https://github.com/evilmartians/lefthook
pre-commit:
  parallel: true
  commands:
    # 格式化和检查 Vue 文件
    lint-vue:
      glob: '*.vue'
      run: pnpm exec eslint --cache --fix {staged_files}
      fail_text: "ESLint 检查失败，请修复错误后再提交"

    # 格式化和检查 TypeScript/JavaScript 文件
    lint-ts:
      glob: '*.{ts,tsx,js,jsx}'
      run: pnpm exec eslint --cache --fix {staged_files}
      fail_text: "ESLint 检查失败，请修复错误后再提交"

commit-msg:
  commands:
    commitlint:
      run: pnpm exec commitlint --edit {1}
      fail_text: "提交信息不符合规范，请参考 Conventional Commits 规范"
      skip: 'git log -1 --pretty=%s | grep -q "\[skip ci\]"'

Git Hooks

{
	"scripts": {
		"prepare": "lefthook install"
	}
}

务必用 lefthook 更新 pnpm-workspace.yaml onlyBuiltDependencies， 并在根 package.json 中添加 lefthook pnpm.onlyBuiltDependencies， 否则lefthook包的安装后脚本不会被执行，钩子也不会被安装。

Vitest Conventions

• Test files: foo.ts → foo.test.ts (same directory)
• Use describe/it API (not test)
• Use toMatchSnapshot for complex outputs
• Use toMatchFileSnapshot with explicit path for language-specific snapshots

---

pnpm Catalogs

Use named catalogs in pnpm-workspace.yaml for version management:

| Catalog | Purpose | |------------|--------------------------------------| | prod | Production dependencies | | inlined | Bundler-inlined dependencies | | dev | Dev tools (linter, bundler, testing) | | frontend | Frontend libraries |

Avoid the default catalog. Catalog names can be adjusted per project needs.

---

References

| Topic | Description | Reference | |---------------------|-----------------------------------------------------------------|----------------------------------------------------------| | ESLint Config | Framework support, formatters, rule overrides, VS Code settings | antfu-eslint-config | | Project Setup | .gitignore, GitHub Actions, VS Code extensions | setting-up | | App Development | Vue/Nuxt/UnoCSS conventions and patterns | app-development | | Library Development | tsdown bundling, pure ESM publishing | library-development | | Monorepo | pnpm workspaces, centralized alias, Turborepo | monorepo |