docs: 批量博文

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杭城小刘
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## 前端工程化与 CI、CD
首先明确,这个话题很大,所以文章篇幅特别长,所以拆分成多个部分进行记录。
### 用 husky 和 lint-staged
1. 什么是 lint
> In computer programming, lint is a Unix utility that flags some suspicious and non-portable constructs (likely to be bugs) in C language source code; generically, lint or a linter is any tool that flags suspicious usage in software written in any computer language. The term lint-like behavior is sometimes applied to the process of flagging suspicious language usage. Lint-like tools generally perform static analysis of source code.
上面是[维基百科](https://en.wikipedia.org/wiki/Lint_%28software%29)的定义。 **Lint 就是对代码进行静态分析,并试图找出潜在问题的工具。**
2. Lint 的好处,有以下三点:
- 可以让代码更加阅读性良好
- 具有更高的开发效率。工程师会花 50% 时间去做问题定位和解决 bug其中很多错误是低级的而 lint 可以很容易定位发现这些低级错误
- 可以让代码存在更少 Bug。
3. Lint 的反馈链条太长
假如 lint 是在 ci、cd 的后续步骤则会发现整个反馈流程太长,所以应该是 commit 之前做 lint。CI 流程做 lint 的缺点Lint 在整个开发工作流中反馈链条太长,浪费时间
4. 所以有工具可以做这个事情。
lint-staged、husky 允许你在代码提交的时候做掉 eslint。commitlint 可以让你在提交的时候将 commit message 写的规范,
```json
"dependencies": {
"eslint": "^6.7.2",
"lint-staged": "^9.5.0",
"mocha": "^6.2.2"
},
"script": {
"test": "NODE_ENV=development jest",
"lint": "eslint . --fix --format codefrane"
},
"devDependencies": {
"@commitlint/cli": "^8.2.0",
"@commitlint/config-conventional": "^8.2.0",
"husky": "^3.1.0"
},
"husky": {
"hooks": {
"pre-commit": "lint-staged",
"commit-msg": "commitlint -E HUSKY_GIT_PARAMS"
}
},
"lint-staged": {
"**/*.js": [
"eslint --fix --cache --format=pretty",
"git add"
]
}
```
关键词: commitlint、lint-staged
### 前端代码风格自动化系列