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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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