.eslintrc

{
  "env": {
    "browser": true,
    "node": true,
    "commonjs": true,
    "es6": true,
    "jquery": true,
    "amd": true
  },
  "parserOptions": {
    "sourceType": "module",
    "ecmaVersion": 2018,
    "ecmaFeatures": {
      // lambda表达式
      "arrowFunctions": true,
      // 解构赋值
      "destructuring": true,
      // class
      "classes": true,
      // http://es6.ruanyifeng.com/#docs/function#函数参数的默认值
      "defaultParams": true,
      // 块级作用域，允许使用let const
      "blockBindings": true,
      // 允许使用模块，模块内默认严格模式
      "modules": true,
      // 允许字面量定义对象时，用表达式做属性名
      // http://es6.ruanyifeng.com/#docs/object#属性名表达式
      "objectLiteralComputedProperties": true,
      // 允许对象字面量方法名简写
      /*var o = {
          method() {
            return "Hello!";
          }
       };
  
       等同于
  
       var o = {
         method: function() {
           return "Hello!";
         }
       };
      */
  
      "objectLiteralShorthandMethods": true,
      /*
        对象字面量属性名简写
        var foo = 'bar';
        var baz = {foo};
        baz // {foo: "bar"}
  
        // 等同于
        var baz = {foo: foo};
      */
  
      "objectLiteralShorthandProperties": true,
      // http://es6.ruanyifeng.com/#docs/function#rest参数
      "restParams": true,
      // http://es6.ruanyifeng.com/#docs/function#扩展运算符
      "spread": true,
      // http://es6.ruanyifeng.com/#docs/iterator#for---of循环
      "forOf": true,
      // http://es6.ruanyifeng.com/#docs/generator
      "generators": true,
      // http://es6.ruanyifeng.com/#docs/string#模板字符串
      "templateStrings": true,
      "superInFunctions": true,
      // http://es6.ruanyifeng.com/#docs/object#对象的扩展运算符
      "experimentalObjectRestSpread": true
    }
  },
  "rules": {
    // 定义对象的set存取器属性时，强制定义get
    "accessor-pairs": 2,
    // 指定数组的元素之间要以空格隔开(,后面)， never参数：[ 之前和 ] 之后不能带空格，always参数：[ 之前和 ] 之后必须带空格
    "array-bracket-spacing": [2, "never"],
    // 在块级作用域外访问块内定义的变量是否报错提示
    "block-scoped-var": 0,
    // if while function 后面的{必须与if在同一行，java风格。
    "brace-style": [2, "1tbs", { "allowSingleLine": true }],
    // 双峰驼命名格式
    "camelcase": 2,
    // 数组和对象键值对最后一个逗号， never参数：不能带末尾的逗号, always参数：必须带末尾的逗号，
    // always-multiline：多行模式必须带逗号，单行模式不能带逗号
    "comma-dangle": [2, "never"],
    // 控制逗号前后的空格
    "comma-spacing": [2, { "before": false, "after": true }],
    // 控制逗号在行尾出现还是在行首出现
    // http://eslint.org/docs/rules/comma-style
    "comma-style": [2, "last"],
    // 圈复杂度
    "complexity": [2, 9],
    // 以方括号取对象属性时，[ 后面和 ] 前面是否需要空格, 可选参数 never, always
    "computed-property-spacing": [2, "never"],
    // 强制方法必须返回值，TypeScript强类型，不配置
    "consistent-return": 0,
    // 用于指统一在回调函数中指向this的变量名，箭头函数中的this已经可以指向外层调用者，应该没卵用了
    // e.g [0,"that"] 指定只能 var that = this. that不能指向其他任何值，this也不能赋值给that以外的其他值
    "consistent-this": 0,
    // 强制在子类构造函数中用super()调用父类构造函数，TypeScrip的编译器也会提示
    "constructor-super": 0,
    // if else while for do后面的代码块是否需要{ }包围，参数：
    //    multi  只有块中有多行语句时才需要{ }包围
    //    multi-line  只有块中有多行语句时才需要{ }包围, 但是块中的执行语句只有一行时，
    //                   块中的语句只能跟和if语句在同一行。if (foo) foo++; else doSomething();
    //    multi-or-nest 只有块中有多行语句时才需要{ }包围, 如果块中的执行语句只有一行，执行语句可以零另起一行也可以跟在if语句后面
    //    [2, "multi", "consistent"] 保持前后语句的{ }一致
    //    default: [2, "all"] 全都需要{ }包围
    "curly": [2, "all"],
    // switch语句强制default分支，也可添加 // no default 注释取消此次警告
    "default-case": 2,
    // 强制object.key 中 . 的位置，参数:
    //      property，'.'号应与属性在同一行
    //      object, '.' 号应与对象名在同一行
    "dot-location": [2, "property"],
    // 强制使用.号取属性
    //    参数： allowKeywords：true 使用保留字做属性名时，只能使用.方式取属性
    //                          false 使用保留字做属性名时, 只能使用[]方式取属性 e.g [2, {"allowKeywords": false}]
    //           allowPattern:  当属性名匹配提供的正则表达式时，允许使用[]方式取值,否则只能用.号取值 e.g [2, {"allowPattern": "^[a-z]+(_[a-z]+)+$"}]
    "dot-notation": [2, { "allowKeywords": true }],
    // 文件末尾强制换行
    "eol-last": 2,
    // 使用 === 替代 ==
    "eqeqeq": [2, "allow-null"],
    // 方法表达式是否需要命名
    "func-names": 0,
    // 方法定义风格，参数：
    //    declaration: 强制使用方法声明的方式，function f(){} e.g [2, "declaration"]
    //    expression：强制使用方法表达式的方式，var f = function() {}  e.g [2, "expression"]
    //    allowArrowFunctions: declaration风格中允许箭头函数。 e.g [2, "declaration", { "allowArrowFunctions": true }]
    "func-style": 0,
    "generator-star-spacing": [2, { "before": true, "after": true }],
    "guard-for-in": 0,
    "handle-callback-err": [2, "^(err|error)$"],
    "indent": [2, 2, { "SwitchCase": 1 }],
    "key-spacing": [2, { "beforeColon": false, "afterColon": true }],
    "linebreak-style": 0,
    "lines-around-comment": 0,
    "max-nested-callbacks": 0,
    "new-cap": [2, { "newIsCap": true, "capIsNew": false }],
    "new-parens": 2,
    "newline-after-var": 0,
    "no-alert": 0,
    "no-array-constructor": 2,
    "no-caller": 2,
    "no-catch-shadow": 0,
    "no-cond-assign": 2,
    "no-console": 0,
    "no-constant-condition": 0,
    "no-continue": 0,
    "no-control-regex": 2,
    "no-debugger": 2,
    "no-delete-var": 2,
    "no-div-regex": 0,
    "no-dupe-args": 2,
    "no-dupe-keys": 2,
    "no-duplicate-case": 2,
    "no-else-return": 0,
    "no-empty": 0,
    "no-empty-character-class": 2,
    "no-eq-null": 0,
    "no-eval": 2,
    "no-ex-assign": 2,
    "no-extend-native": 2,
    "no-extra-bind": 2,
    "no-extra-boolean-cast": 2,
    "no-extra-parens": 0,
    "no-extra-semi": 0,
    "no-fallthrough": 2,
    "no-floating-decimal": 2,
    "no-func-assign": 2,
    "no-implied-eval": 2,
    "no-inline-comments": 0,
    "no-inner-declarations": [2, "functions"],
    "no-invalid-regexp": 2,
    "no-irregular-whitespace": 2,
    "no-iterator": 2,
    "no-label-var": 2,
    "no-labels": 2,
    "no-lone-blocks": 2,
    "no-lonely-if": 0,
    "no-loop-func": 0,
    "no-mixed-requires": 0,
    "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-nested-ternary": 0,
    "no-new": 2,
    "no-new-func": 0,
    "no-new-object": 2,
    "no-new-require": 2,
    "no-new-wrappers": 2,
    "no-obj-calls": 2,
    "no-octal": 2,
    "no-octal-escape": 2,
    "no-param-reassign": 0,
    "no-path-concat": 0,
    "no-process-env": 0,
    "no-process-exit": 0,
    "no-proto": 0,
    "no-redeclare": 2,
    "no-regex-spaces": 2,
    "no-restricted-modules": 0,
    "no-return-assign": 2,
    "no-script-url": 0,
    "no-self-compare": 2,
    "no-sequences": 2,
    "no-shadow": 0,
    "no-shadow-restricted-names": 2,
    "no-spaced-func": 2,
    "no-sparse-arrays": 2,
    "no-sync": 0,
    "no-ternary": 0,
    "no-this-before-super": 2,
    "no-throw-literal": 2,
    "no-trailing-spaces": 2,
    "no-undef": 2,
    "no-undef-init": 2,
    "no-undefined": 0,
    "no-underscore-dangle": 0,
    "no-unexpected-multiline": 2,
    "no-unneeded-ternary": 2,
    "no-unreachable": 2,
    "no-unused-expressions": 0,
    "no-unused-vars": [2, { "vars": "all", "args": "none" }],
    "no-use-before-define": 0,
    "no-var": 0,
    "no-void": 0,
    "no-warning-comments": 0,
    "no-with": 2,
    "object-curly-spacing": 0,
    "object-shorthand": 0,
    "one-var": [2, { "initialized": "never" }],
    "operator-assignment": 0,
    "operator-linebreak": [2, "after", { "overrides": { "?": "before", ":": "before" } }],
    "padded-blocks": 0,
    "prefer-const": 0,
    "quote-props": 0,
    "quotes": [2, "single", "avoid-escape"],
    "radix": 2,
    "semi": [2, "never"],
    "semi-spacing": 0,
    "sort-vars": 0,
    // "keyword-spacing": [2, "always"],
    "space-before-blocks": [2, "always"],
    "space-before-function-paren": [2, "always"],
    "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", "!"] }
    ],
    "strict": 0,
    "use-isnan": 2,
    "valid-jsdoc": 0,
    "valid-typeof": 2,
    "vars-on-top": 0,
    "wrap-iife": [2, "any"],
    "wrap-regex": 0,
    "yoda": [2, "never"]
  }
}