vscode 配置代码自动格式化加修复

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一、安装 Eslint

首选得在ide安装eslint插件

二、安装 Prettier-Code formatter

目前新的vscode 都需要安装这个 代码格式化插件

否则会提示 Extension 'esbenp.prettier-vscode' is configured as formatter but not available. Select a different default formatter to continue.

三、安装Vetur
目前vue 用的比较多，当然避不了的使用一个格式.vue的文件，如：
 

四、配置 setting.json

找到File > Preference > Settings > Text Editor > Code Actions On Save > Edit in setting.json打开进行编辑
截图如

添加如下的配置到你的setting.json (这个注释很全就不过得解释了) 

{
    "workbench.startupEditor": "newUntitledFile",
    "window.zoomLevel": 1, // window be show of level in ide
    "git.ignoreMissingGitWarning": true,
    "explorer.confirmDelete": false,
    "workbench.colorTheme": "Monokai",
    "workbench.colorCustomizations": {
        "[Monokai]": {
        "editor.background": "#1a2c1c",
        "sideBar.background": "#2a3b2d",
        "activityBar.background": "#7154978a",
        "icon.foreground": "#893ecf",
        "activityBar.inactiveForeground": "#ffee00b4",
        },
    },
    "docthis.authorName": "tomAnny",
    "docthis.includeDescriptionTag": true,
    "docthis.includeDateTag": true,
    "docthis.includeAuthorTag": true,
    "vsicons.dontShowNewVersionMessage": true,
    "terminal.integrated.rendererType": "dom",
    // vscode默认启用了根据文件类型自动设置tabsize的选项
    "editor.detectIndentation": false,
    // 重新设定tabsize
    "editor.tabSize": 2,
    // #每次保存的时候自动格式化 
    "editor.formatOnSave": true,
    "editor.formatOnType": true,
    // 强制单引号
    "prettier.singleQuote": true,
    "prettier.semi": false,
    // 尽可能控制尾随逗号的打印
    "prettier.trailingComma": "all",
    // #这个按用户自身习惯选择-- prettier 或者js-beautify-html
    "vetur.format.defaultFormatter.html": "js-beautify-html",
    // #让vue中的js按编辑器自带的ts格式进行格式化 
    "vetur.format.defaultFormatter.js": "vscode-typescript",
    "html.format.indentHandlebars": true,
    "javascript.preferences.quoteStyle": "single",
    "typescript.preferences.quoteStyle": "single",
    "html.format.enable": false,
    "html.format.preserveNewLines": false,
    "diffEditor.ignoreTrimWhitespace": false,
    "vetur.format.defaultFormatterOptions": {
      "js-beautify-html": {
        "wrap_attributes": "force-aligned"
        // #vue组件中html代码格式化样式
      }
    },
    //防止VSCode启动带有node_modules的项目的时候很卡的问题
    "search.followSymlinks": false,
    "files.autoSave": "onWindowChange",
    "[vue]": {
      //"editor.defaultFormatter": "octref.vetur"
      "editor.defaultFormatter": "esbenp.prettier-vscode"
    },
    "[javascript]": {
      "editor.defaultFormatter": "HookyQR.beautify"
    },
    "[scss]": {
      "editor.defaultFormatter": "HookyQR.beautify"
    },
    "[html]": {
      "editor.defaultFormatter": "HookyQR.beautify"
    },
    "[css]": {
      "editor.defaultFormatter": "HookyQR.beautify"
   },
    // #每次保存的时候将代码按eslint格式进行修复
    "editor.codeActionsOnSave": {
      "source.fixAll.eslint": true
    },
  }

五、配置 .eslintrc.js

现在需要将项目中对应的elsintrc.js配置一下，来规范整个项目的代码风格，避免团队人员多了，代码五花八门,

个人配置大概如下：

module.exports = {
  root: true,
  parserOptions: {
    parser: 'babel-eslint',
    sourceType: 'module'
  },
  env: {
    browser: true,
    node: true,
    es6: true,
  },
  extends: ['plugin:vue/recommended', 'eslint:recommended'],

  // add your custom rules here
  //it is base on https://github/vuejs/eslint-config-vue
  rules: {
    "vue/max-attributes-per-line": [2, {
      "singleline": 10,
      "multiline": {
        "max": 1,
        "allowFirstLine": false
      }
    }],
    "vue/singleline-html-element-content-newline": "off",
    "vue/multiline-html-element-content-newline":"off",
    "vue/name-property-casing": ["error", "PascalCase"],
    "vue/no-v-html": "off",
    'accessor-pairs': 2,
    'arrow-spacing': [2, {
      'before': true,
      'after': true
    }],
    'block-spacing': [2, 'always'],
    'brace-style': [2, '1tbs', {
      'allowSingleLine': true
    }],
    'camelcase': [0, {
      'properties': 'always'
    }],
    'comma-dangle': [2, 'never'],
    'comma-spacing': [2, {
      'before': false,
      'after': true
    }],
    'comma-style': [2, 'last'],
    'constructor-super': 2,
    'curly': [2, 'multi-line'],
    'dot-location': [2, 'property'],
    'eol-last': 2,
    'eqeqeq': ["error", "always", {"null": "ignore"}],
    'generator-star-spacing': [2, {
      'before': true,
      'after': true
    }],
    'handle-callback-err': [2, '^(err|error)$'],
    'indent': [2, 2, {
      'SwitchCase': 1
    }],
    'jsx-quotes': [2, 'prefer-single'],
    'key-spacing': [2, {
      'beforeColon': false,
      'afterColon': true
    }],
    'keyword-spacing': [2, {
      'before': true,
      'after': true
    }],
    'new-cap': [2, {
      'newIsCap': true,
      'capIsNew': false
    }],
    'new-parens': 2,
    'no-array-constructor': 2,
    'no-caller': 2,
    'no-console': 'off',
    'no-class-assign': 2,
    'no-cond-assign': 2,
    'no-const-assign': 2,
    'no-control-regex': 0,
    'no-delete-var': 2,
    'no-dupe-args': 2,
    'no-dupe-class-members': 2,
    'no-dupe-keys': 2,
    'no-duplicate-case': 2,
    'no-empty-character-class': 2,
    'no-empty-pattern': 2,
    'no-eval': 2,
    'no-ex-assign': 2,
    'no-extend-native': 2,
    'no-extra-bind': 2,
    'no-extra-boolean-cast': 2,
    'no-extra-parens': [2, 'functions'],
    'no-fallthrough': 2,
    'no-floating-decimal': 2,
    'no-func-assign': 2,
    'no-implied-eval': 2,
    'no-inner-declarations': [2, 'functions'],
    'no-invalid-regexp': 2,
    'no-irregular-whitespace': 2,
    'no-iterator': 2,
    'no-label-var': 2,
    'no-labels': [2, {
      'allowLoop': false,
      'allowSwitch': false
    }],
    'no-lone-blocks': 2,
    'no-mixed-spaces-and-tabs': 2,
    'no-multi-spaces': 2,
    'no-multi-str': 2,
    'no-multiple-empty-lines': [2, {
      'max': 1
    }],
    'no-native-reassign': 2,
    'no-negated-in-lhs': 2,
    'no-new-object': 2,
    'no-new-require': 2,
    'no-new-symbol': 2,
    'no-new-wrappers': 2,
    'no-obj-calls': 2,
    'no-octal': 2,
    'no-octal-escape': 2,
    'no-path-concat': 2,
    'no-proto': 2,
    'no-redeclare': 2,
    'no-regex-spaces': 2,
    'no-return-assign': [2, 'except-parens'],
    'no-self-assign': 2,
    'no-self-compare': 2,
    'no-sequences': 2,
    'no-shadow-restricted-names': 2,
    'no-spaced-func': 2,
    'no-sparse-arrays': 2,
    'no-this-before-super': 2,
    'no-throw-literal': 2,
    'no-trailing-spaces': 2,
    'no-undef': 2,
    'no-undef-init': 2,
    'no-unexpected-multiline': 2,
    'no-unmodified-loop-condition': 2,
    'no-unneeded-ternary': [2, {
      'defaultAssignment': false
    }],
    'no-unreachable': 2,
    'no-unsafe-finally': 2,
    'no-unused-vars': [2, {
      'vars': 'all',
      'args': 'none'
    }],
    'no-useless-call': 2,
    'no-useless-computed-key': 2,
    'no-useless-constructor': 2,
    'no-useless-escape': 0,
    'no-whitespace-before-property': 2,
    'no-with': 2,
    'one-var': [2, {
      'initialized': 'never'
    }],
    'operator-linebreak': [2, 'after', {
      'overrides': {
        '?': 'before',
        ':': 'before'
      }
    }],
    'padded-blocks': [2, 'never'],
    'quotes': [2, 'single', {
      'avoidEscape': true,
      'allowTemplateLiterals': true
    }],
    'semi': [2, 'never'],
    'semi-spacing': [2, {
      'before': false,
      'after': true
    }],
    'space-before-blocks': [2, 'always'],
    'space-before-function-paren': [2, 'never'],
    'space-in-parens': [2, 'never'],
    'space-infix-ops': 2,
    'space-unary-ops': [2, {
      'words': true,
      'nonwords': false
    }],
    'spaced-comment': [2, 'always', {
      'markers': ['global', 'globals', 'eslint', 'eslint-disable', '*package', '!', ',']
    }],
    'template-curly-spacing': [2, 'never'],
    'use-isnan': 2,
    'valid-typeof': 2,
    'wrap-iife': [2, 'any'],
    'yield-star-spacing': [2, 'both'],
    'yoda': [2, 'never'],
    'prefer-const': 2,
    'no-debugger': process.env.NODE_ENV === 'production' ? 2 : 0,
    'object-curly-spacing': [2, 'always', {
      objectsInObjects: false
    }],
    'array-bracket-spacing': [2, 'never']
  }
}

六、配置 .editorconfig

再配置一个代码 空格，缩进、换行等规范

看看官方对这个editor的介绍

# https://editorconfig
root = true

[*]
charset = utf-8
indent_style = space
indent_size = 2
end_of_line = lf
insert_final_newline = true
trim_trailing_whitespace = true

[*.md]
insert_final_newline = false
trim_trailing_whitespace = false

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