React项目配置prettier和eslint的方法

参考视频: https://www.bilibili.com/video/BV1rh411e7E5?vd_source=eee62ea3954ac01bff9e87e2a7b40084

  • prettier代码格式化
  • eslint js语法检查
  • stylellint css样式检查

配置prettier和eslint

1.初始化React项目

npx create-react-app study_react

2.安装vscode插件 prettiereslint, 配置vscode

在这里插入图片描述

在这里插入图片描述

React项目配置prettier和eslint的方法_第1张图片

3.安装相关依赖

yarn add -D prettier eslint

在代码格式化时采用Perttier规则,而我们代码校验使用的是ESLint,如果同一个规则配置不一致,往往就会出现冲突问题;
比如:字符串单、双引号的配置,eslint后把字符串变成单引号,更新文件代码过后,重新保存(Prettier)又自动格式化后变成双引号,导致代码校验异常。

解决方案1: 两者配置文件部分配置修改成一致.
解决方案2: 安装相关插件(Prettier 和 ESLint 冲突解决方案 eslint-config-prettier eslint-plugin-prettier)

eslint-config-prettier 禁用 eslint 冲突配置
eslint-plugin-prettier Prettier先格式化 (默认是先eslint格式化,再Prettier格式化)
yarn add -D eslint-config-prettier eslint-plugin-prettier

4.优雅的提示错误

“extends”: [“eslint:recommended”, “plugin:react/recommended”], 默认是eslint:recommended,(步骤6后面会看到这个配置)
https://www.npmjs.com/package/eslint-config-airbnb

npx install-peerdeps --dev eslint-config-airbnb

5.初始化.eslintrc.json文件

npx eslint --init

如果全局安装了eslint (npm install -g eslint )了, 可以直接使用eslint --init

根据提示勾选:

React项目配置prettier和eslint的方法_第2张图片

安装完成的eslintrc.json文件

{
 
  "env": {
 
    "browser": true,
    "es2021": true
  },
  "extends": ["eslint:recommended", "plugin:react/recommended"],
  "parserOptions": {
 
    "ecmaFeatures": {
 
      "jsx": true
    },
    "ecmaVersion": "latest",
    "sourceType": "module"
  },
  "plugins": ["react"],
  "rules": {
 
    "indent": ["error", "tab"],
    "linebreak-style": ["error", "windows"],
    "quotes": ["error", "double"],
    "semi": ["error", "always"]
  }
}

6.修改eslintrc.json优雅提示(也就是步骤4所提到)

"extends": ["airbnb", "prettier", "plugin:react/recommended"],
  "plugins": ["prettier", "react"],

7.新建.prettierrc文件

更多规则: https://www.prettier.cn/docs/options.html

{
 
  "singleQuote": false,
  "endOfLine": "lf"
}

8.可自行定义eslintrc.json规则

https://eslint.bootcss.com/docs/rules/

9.效果

React项目配置prettier和eslint的方法_第3张图片

10.让提示更细致

eslintrc.json追加rules, "prettier/prettier": "error",

React项目配置prettier和eslint的方法_第4张图片

最终的两个文件的配置

// eslint
{
 
  "env": {
 
    "browser": true,
    "es2021": true
  },
  "extends": ["airbnb", "prettier", "plugin:react/recommended"],
  "parserOptions": {
 
    "ecmaFeatures": {
 
      "jsx": true
    },
    "ecmaVersion": "latest",
    "sourceType": "module"
  },
  "plugins": ["prettier", "react"],
  "rules": {
 
    "prettier/prettier": "error",
    "indent": ["off", "tab"],
    "linebreak-style": ["off", "windows"],
    "quotes": ["error", "double"],
    "semi": ["error", "always"]
  }
}
===============================================================================
// prettier
{
 
  "singleQuote": false,
  "endOfLine": "lf"
}

配置stylelint

1.安装相关依赖

yarn add stylelint stylelint-config-stardand stylelint-config-prettier stylelint-order -D
- stylelint-config-prettier解决和prettier冲突
- stylelint-order 排序css属性

2.新建.stylelint.json文件

stylelint相关规则: http://stylelint.docschina.org/user-guide/rules/

{
 
  "plugins": ["stylelint-order"],
  "extends": ["stylelint-config-standard", "stylelint-config-prettier"],
  "rules": {
 
    "property-no-unknown": true,
    "comment-no-empty": [
      true,
      {
 
        "message": "禁止空注释"
      }
    ],
    "order/properties-order": [
      "position",
      "top",
      "right",
      "bottom",
      "left",
      "z-index",
      "display",
      "float",
      "width",
      "height",
      "max-width",
      "max-height",
      "min-width",
      "min-height",
      "padding",
      "padding-top",
      "padding-right",
      "padding-bottom",
      "padding-left",
      "margin",
      "margin-top",
      "margin-right",
      "margin-bottom",
      "margin-left",
      "margin-collapse",
      "margin-top-collapse",
      "margin-right-collapse",
      "margin-bottom-collapse",
      "margin-left-collapse",
      "overflow",
      "overflow-x",
      "overflow-y",
      "clip",
      "clear",
      "font",
      "font-family",
      "font-size",
      "font-smoothing",
      "osx-font-smoothing",
      "font-style",
      "font-weight",
      "hyphens",
      "src",
      "line-height",
      "letter-spacing",
      "word-spacing",
      "color",
      "text-align",
      "text-decoration",
      "text-indent",
      "text-overflow",
      "text-rendering",
      "text-size-adjust",
      "text-shadow",
      "text-transform",
      "word-break",
      "word-wrap",
      "white-space",
      "vertical-align",
      "list-style",
      "list-style-type",
      "list-style-position",
      "list-style-image",
      "pointer-events",
      "cursor",
      "background",
      "background-attachment",
      "background-color",
      "background-image",
      "background-position",
      "background-repeat",
      "background-size",
      "border",
      "border-collapse",
      "border-top",
      "border-right",
      "border-bottom",
      "border-left",
      "border-color",
      "border-image",
      "border-top-color",
      "border-right-color",
      "border-bottom-color",
      "border-left-color",
      "border-spacing",
      "border-style",
      "border-top-style",
      "border-right-style",
      "border-bottom-style",
      "border-left-style",
      "border-width",
      "border-top-width",
      "border-right-width",
      "border-bottom-width",
      "border-left-width",
      "border-radius",
      "border-top-right-radius",
      "border-bottom-right-radius",
      "border-bottom-left-radius",
      "border-top-left-radius",
      "border-radius-topright",
      "border-radius-bottomright",
      "border-radius-bottomleft",
      "border-radius-topleft",
      "content",
      "quotes",
      "outline",
      "outline-offset",
      "opacity",
      "filter",
      "visibility",
      "size",
      "zoom",
      "transform",
      "box-align",
      "box-flex",
      "box-orient",
      "box-pack",
      "box-shadow",
      "box-sizing",
      "table-layout",
      "animation",
      "animation-delay",
      "animation-duration",
      "animation-iteration-count",
      "animation-name",
      "animation-play-state",
      "animation-timing-function",
      "animation-fill-mode",
      "transition",
      "transition-delay",
      "transition-duration",
      "transition-property",
      "transition-timing-function",
      "background-clip",
      "backface-visibility",
      "resize",
      "appearance",
      "user-select",
      "interpolation-mode",
      "direction",
      "marks",
      "page",
      "set-link-source",
      "unicode-bidi",
      "speak"
    ]
  }
}

3.效果

React项目配置prettier和eslint的方法_第5张图片

保存自动修复

采用的vscode编辑器, 往setting.json添加配置

"editor.codeActionsOnSave": {
 
	"source.fixAll.stylelint": true,
	"source.fixAll.eslint": true
},

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