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项目中一键添加husky实现详解

2022-09-03 10:41:06 作者：Yomuki

这篇文章主要为大家介绍了项目中一键添加husky实现示例详解，有需要的朋友可以借鉴参考下，希望能够有所帮助，祝大家多多进步，早日升职加薪

关于husky

前置条件：项目已关联了git。

husky有什么用？

当我们commit message时，可以进行测试和lint操作，保证仓库里的代码是优雅的。当我们进行commit操作时，会触发pre-commit，在此阶段，可进行test和lint。其后，会触发commit-msg，对commit的message内容进行验证。

pre-commit

一般的lint会全局扫描，但是在此阶段，我们仅需要对暂存区的代码进行lint即可。所以使用lint-staged插件。

commit-msg

在此阶段，可用 @commitlint/cli @commitlint/config-conventional 对提交信息进行验证。但是记信息格式规范真的太太太太麻烦了，所以可用 commitizen cz-git 生成提交信息。

一键添加husky

从上述说明中，可以得出husky配置的基本流程：

安装husky；安装lint-staged @commitlint/cli @commitlint/config-conventional commitizen cz-git
写commitlint和lint-staged的配置文件
修改package.json中的scripts和config
添加pre-commit和commit-msg钩子

看上去简简单单轻轻松松，那么，开干！

先把用到的import拿出来溜溜

import { red, cyan, green } from "kolorist"; // 打印颜色文字
import { copyFileSync, existsSync, readFileSync, writeFileSync } from "node:fs";
import { resolve } from "node:path";
import { cwd } from "node:process";
import prompts from "prompts";// 命令行交互提示
import { fileURLToPath } from "node:url";
import { getLintStagedOption } from "./src/index.js";// 获取lint-staged配置 ，后头说
import { createSpinner } from "nanospinner"; // 载入动画（用于安装依赖的时候）
import { exec } from "node:child_process";

package验证

既然是为项目添加，那当然得有package.json文件啦！

const projectDirectory = cwd();
const pakFile = resolve(projectDirectory, "package.json");
if (!existsSync(pakFile)) {
    console.log(red("未在当前目录中找到package.json，请在项目根目录下运行哦~"));
    return;
}

既然需要lint，那当然也要eslint/prettier/stylelint啦~

const pakContent = JSON.parse(readFileSync(pakFile));
const devs = {
    ...(pakContent?.devDependencies || {}),
    ...(pakContent?.dependencies || {}),
};
const pakHasLint = needDependencies.filter((item) => {
    return item in devs;
});

但是考虑到有可能lint安装在了全局，所以这边就不直接return了，而是向questions中插入一些询问来确定到底安装了哪些lint。

const noLintQuestions = [
	{
		type: "confirm",
		name: "isContinue",
		message: "未在package.json中找到eslint/prettier/stylelint，是否继续？",
	},
	{
		// 处理上一步的确认值。如果用户没同意，抛出异常。同意了就继续
		type: (_, { isContinue } = {}) => {
			if (isContinue === false) {
				throw new Error(red("✖ 取消操作"));
			}
			return null;
		},
		name: "isContinueChecker",
	},
	{
		type: "multiselect",
		name: "selectLint",
		message: "请选择已安装的依赖：",
		choices: [
			{
				title: "eslint",
				value: "eslint",
			},
			{
				title: "prettier",
				value: "prettier",
			},
			{
				title: "stylelint",
				value: "stylelint",
			},
		],
	},
];
const questions = pakHasLint.length === 0 ? [...noLintQuestions, ...huskyQuestions] : huskyQuestions; // huskyQuestions的husky安装的询问语句，下面会讲

husky安装询问

因为不同的包管理器有不同的安装命令，以及有些项目会不需要commit msg验证。所有就会有以下询问的出现啦

const huskyQuestions = [
	{
		type: "select",
		name: "manager",
		message: "请选择包管理器：",
		choices: [
			{
				title: "npm",
				value: "npm",
			},
			{
				title: "yarn1",
				value: "yarn1",
			},
			{
				title: "yarn2+",
				value: "yarn2",
			},
			{
				title: "pnpm",
				value: "pnpm",
			},
			{
				title: "pnpm 根工作区",
				value: "pnpmw",
			},
		],
	},
	{
		type: "confirm",
		name: "commitlint",
		message: "是否需要commit信息验证？",
	},
];

使用prompts进行交互提示

let result = {};
try {
  result = await prompts(questions, {
      onCancel: () => {
      throw new Error(red("❌Bye~"));
    },
  });
} catch (cancelled) {
  console.log(cancelled.message);
  return;
}
const { selectLint, manager, commitlint } = result;

这样子，我们就获取到了：

manager 项目使用的包管理
commitlint 是否需要commit msg验证
selectLint 用户自己选择的已安装的lint依赖

生成命令

通过manager和commitlint，可以生成要运行的命令

const huskyCommandMap = {
  npm: "npx husky-init && npm install && npm install --save-dev ",
  yarn1: "npx husky-init && yarn && yarn add --dev ",
  yarn2: "yarn dlx husky-init --yarn2 && yarn && yarn add --dev ",
  pnpm: "pnpm dlx husky-init && pnpm install && pnpm install --save-dev ",
  pnpmw: "pnpm dlx husky-init && pnpm install -w && pnpm install --save-dev -w ",
};
const preCommitPackages = "lint-staged";
const commitMsgPackages = "@commitlint/cli @commitlint/config-conventional commitizen cz-git";
// 需要安装的包
const packages = commitlint ? `${preCommitPackages} ${commitMsgPackages}` : preCommitPackages;
// 需要安装的包的安装命令
const command = `${huskyCommandMap[manager]}${packages}`;
const createCommitHook = `npx husky set .husky/pre-commit "npm run lint:lint-staged"`;
const createMsgHook = `npx husky add .husky/commit-msg 'npx --no-install commitlint --edit "$1"'`;
// 需要创建钩子的命令
const createHookCommand = commitlint ? `${createCommitHook} && ${createMsgHook}` : createCommitHook;

lint-staged 配置

一般的lint-staged.config.js长这样：

module.exports = {
	"*.{js,jsx,ts,tsx}": ["eslint --fix", "prettier --write"],
	"{!(package)*.json,*.code-snippets,.!(browserslist)*rc}": ["prettier --write--parser json"],
	"package.json": ["prettier --write"],
	"*.vue": ["eslint --fix", "prettier --write", "stylelint --fix"],
	"*.{scss,less,styl,html}": ["stylelint --fix", "prettier --write"],
	"*.md": ["prettier --write"],
};

所以呢，需要根据项目使用的lint来生成lint-staged.config.js：

// 简单粗暴的函数
export function getLintStagedOption(lint) {
	const jsOp = [],
		jsonOp = [],
		pakOp = [],
		vueOp = [],
		styleOp = [],
		mdOp = [];
	if (lint.includes("eslint")) {
		jsOp.push("eslint --fix");
		vueOp.push("eslint --fix");
	}
	if (lint.includes("prettier")) {
		jsOp.push("prettier --write");
		vueOp.push("prettier --write");
		mdOp.push("prettier --write");
		jsonOp.push("prettier --write--parser json");
		pakOp.push("prettier --write");
		styleOp.push("prettier --write");
	}
	if (lint.includes("stylelint")) {
		vueOp.push("stylelint --fix");
		styleOp.push("stylelint --fix");
	}
	return {
		"*.{js,jsx,ts,tsx}": jsOp,
		"{!(package)*.json,*.code-snippets,.!(browserslist)*rc}": jsonOp,
		"package.json": pakOp,
		"*.vue": vueOp,
		"*.{scss,less,styl,html}": styleOp,
		"*.md": mdOp,
	};
}
// lint-staged.config.js 内容
const lintStagedContent = `module.exports =${JSON.stringify(getLintStagedOption(selectLint || pakHasLint))}`;
// lint-staged.config.js 文件
const lintStagedFile = resolve(projectDirectory, "lint-staged.config.js");

commitlint 配置

因为commitlint.config.js中的配置过于复杂。所以，我选择在安装完依赖后直接copy文件！被copy的文件内容：

// @see: https://cz-git.qbenben.com/zh/guide
/** @type {import('cz-git').UserConfig} */
module.exports = {
	ignores: [(commit) => commit.includes("init")],
	extends: ["@commitlint/config-conventional"],
	// parserPreset: "conventional-changelog-conventionalcommits",
	rules: {
		// @see: https://commitlint.js.org/#/reference-rules
		"body-leading-blank": [2, "always"],
		"footer-leading-blank": [1, "always"],
		"header-max-length": [2, "always", 108],
		"subject-empty": [2, "never"],
		"type-empty": [2, "never"],
		"subject-case": [0],
		"type-enum": [2, "always", ["feat", "fix", "docs", "style", "refactor", "perf", "test", "build", "ci", "chore", "revert"]],
	},
	prompt: {
		alias: { fd: "docs: fix typos" },
		messages: {
			type: "选择你要提交的类型 :",
			scope: "选择一个提交范围（可选）:",
			customScope: "请输入自定义的提交范围 :",
			subject: "填写简短精炼的变更描述 :\n",
			body: '填写更加详细的变更描述（可选）。使用 "|" 换行 :\n',
			breaking: '列举非兼容性重大的变更（可选）。使用 "|" 换行 :\n',
			footerPrefixsSelect: "选择关联issue前缀（可选）:",
			customFooterPrefixs: "输入自定义issue前缀 :",
			footer: "列举关联issue (可选) 例如: #31, #I3244 :\n",
			confirmCommit: "是否提交或修改commit ?",
		},
		types: [
			{ value: "feat", name: "feat:     🚀新增功能 | A new feature", emoji: "🚀" },
			{ value: "fix", name: "fix:      🐛修复缺陷 | A bug fix", emoji: "🐛" },
			{ value: "docs", name: "docs:     📚文档更新 | Documentation only changes", emoji: "📚" },
			{ value: "style", name: "style:    🎨代码格式 | Changes that do not affect the meaning of the code", emoji: "🎨" },
			{
				value: "refactor",
				name: "refactor: 📦代码重构 | A code change that neither fixes a bug nor adds a feature",
				emoji: "📦",
			},
			{ value: "perf", name: "perf:     ⚡️性能提升 | A code change that improves performance", emoji: "⚡️" },
			{ value: "test", name: "test:     🚨测试相关 | Adding missing tests or correcting existing tests", emoji: "🚨" },
			{ value: "build", name: "build:    🛠构建相关 | Changes that affect the build system or external dependencies", emoji: "🛠" },
			{ value: "ci", name: "ci:       🎡持续集成 | Changes to our CI configuration files and scripts", emoji: "🎡" },
			{ value: "revert", name: "revert:   ⏪️回退代码 | Revert to a commit", emoji: "⏪️" },
			{ value: "chore", name: "chore:    🔨其他修改 | Other changes that do not modify src or test files", emoji: "🔨" },
		],
		useEmoji: true,
		emojiAlign: "center",
		themeColorCode: "",
		scopes: [],
		allowCustomScopes: true,
		allowEmptyScopes: true,
		customScopesAlign: "bottom",
		customScopesAlias: "custom | 以上都不是？我要自定义",
		emptyScopesAlias: "empty | 跳过",
		upperCaseSubject: false,
		markBreakingChangeMode: false,
		allowBreakingChanges: ["feat", "fix"],
		breaklineNumber: 100,
		breaklineChar: "|",
		skipQuestions: [],
		issuePrefixs: [
			// 如果使用 gitee 作为开发管理
			{ value: "link", name: "link:     链接 ISSUES 进行中" },
			{ value: "closed", name: "closed:   标记 ISSUES 已完成" },
		],
		customIssuePrefixsAlign: "top",
		emptyIssuePrefixsAlias: "skip | 跳过",
		customIssuePrefixsAlias: "custom | 自定义前缀",
		allowCustomIssuePrefixs: true,
		allowEmptyIssuePrefixs: true,
		confirmColorize: true,
		maxHeaderLength: Infinity,
		maxSubjectLength: Infinity,
		minSubjectLength: 0,
		scopeOverrides: undefined,
		defaultBody: "",
		defaultIssues: "",
		defaultScope: "",
		defaultSubject: "",
	},
};

被复制的路径，和目标路径

const commitlintFile = resolve(projectDirectory, "commitlint.config.js");
const commitlintFileTemplateDir = resolve(fileURLToPath(import.meta.url), "../src/template", "commitlint.config.js");

准备就绪，开始安装！

执行刚刚生成的安装命令
更改package.json内容
写入配置文件
添加钩子

const spinner = createSpinner("Installing packages...").start();
exec(`${command}`, { cwd: projectDirectory }, (error) => {
  if (error) {
    spinner.error({
      text: red("Failed to install packages!"),
      mark: "✖",
    });
    console.error(error);
    return;
  }
  /*  更改package.json内容 开始  */
  let newPakContent = JSON.parse(readFileSync(pakFile));// 获取最新的包内容
  newPakContent.scripts = {
    ...newPakContent.scripts,
    "lint:lint-staged": "lint-staged",
    commit: "git add . && git-cz",
  };
  newPakContent.config = {
    ...(newPakContent?.config || {}),
    commitizen: {
      path: "node_modules/cz-git",
    },
  };
  writeFileSync(pakFile, JSON.stringify(newPakContent));// 写入
  /*  更改package.json内容 结束  */
  writeFileSync(lintStagedFile, lintStagedContent);// 写入lint-staged配置
  copyFileSync(commitlintFileTemplateDir, commitlintFile);// 复制commitlint配置至项目中
  spinner.success({ text: green("安装成功~准备添加钩子! 🎉"), mark: "✔" });// 包安装成功啦~
  const hookSpinner = createSpinner("添加husky钩子中...").start();// 开始装钩子
  exec(`${createHookCommand}`, { cwd: projectDirectory }, (error) => {
    if (error) {
      hookSpinner.error({
        text: red(`添加钩子失败，请手动执行${createHookCommand}`),
        mark: "✖",
      });
      console.error(error);
      return;
    }
    hookSpinner.success({ text: green("一切就绪! 🎉"), mark: "✔" });// 钩子安装成功啦~一切ok~~
  });
});

发包

最后，发下包，就可以在其他项目中使用啦

结尾

这个是本萌新因为懒又想把git提交规范下又不想每次创项目都要翻文档安装的产物，没有经过测试，中间部分代码会有更好的解决方案~

本代码仓库

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