webstorm配置eslint一键格式化代码

安装eslint插件：npm install --save-dev eslint-config-vue eslint-plugin-vue创建eslintrc.js文件，添加相关代码规范（根据自己喜好进行调整）

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.com/vuejs/eslint-config-vue  rules: {    'vue/attribute-hyphenation': 'off',    'vue/no-mutating-props': 'off',    'vue/require-prop-types': 'off',    'vue/html-self-closing': [      'error',      {        html: {          void: 'any',          normal: 'any',          component: 'always'        },        svg: 'always',        math: 'always'      }    ],    'vue/max-attributes-per-line': [      2,      {        singleline: 2,        multiline: {          max: 2,          allowFirstLine: false        }      }    ],    'vue/singleline-html-element-content-newline': 'off',    'vue/multiline-html-element-content-newline': 'error',    '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: 'off',    '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-case-declarations': 'off',    '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': [      1,      {        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': [0, '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': 0,    'object-curly-spacing': [      2,      'always',      {        objectsInObjects: false      }    ],    'array-bracket-spacing': [2, 'never']  }}

webstorm进行快捷键设置
这样在页面使用Alt + S，即可一键格式化代码了

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