各种不能有空格：

以及 string 必须单引号，属性必须单引号，缩进必须是 2 格……我觉得四格党和两格党会打起来：

嗯，一定要写三等号，一定不要漏分号：

自从有了这么个神奇玩意儿，CI 就完全没消停过……不是应该“温柔地”给出警告么，结果直接 error 就 fail 了。作为强迫症患者，我觉得自己已经算是病入膏肓了，没想到写这个 rule（尽管可以配置）的人更加无情。

refs:

• eslint

• rule

以及，还有 ruby 版本的 rubocop，处女座们请接好。

P.S 项目的 rule 是这样的，还真不是我们能决定的，是客户那边写的，有点苛刻，不过习惯也还好：

{
  "parser": "babel-eslint",
  "ecmaFeatures": {
    "modules": true,
    "jsx": true
  },
  "env": {
    "browser": true,
    "jquery": true,
    "es6": true,
    "mocha": true
  },
  "rules": {
    "eqeqeq": 2,
    "no-else-return": 2,
    "camelcase": 0,
    "comma-dangle": 2,
    "no-multi-spaces": 2,
    "no-unused-vars": 2,
    "dot-notation": 2,
    "no-shadow": 2,
    "strict": 0,
    "indent": [2, 2],
    "semi": [2, "always"],
    "quotes": [2, "single", "avoid-escape"],
    "no-dupe-keys": 2,
    "no-underscore-dangle": 0,
    "no-undef": 2,
    "eol-last": 2,
    "react/jsx-boolean-value": [2, "always"],
    "react/jsx-curly-spacing": [2, "never"],
    "react/jsx-no-duplicate-props": [2, { "ignoreCase": true }],
    "react/jsx-no-undef": 2,
    "react/jsx-quotes": [2, "single", "avoid-escape"],
    "react/jsx-uses-react": 2,
    "react/jsx-uses-vars": 2,
    "react/no-danger": 2,
    "react/no-did-mount-set-state": 2,
    "react/no-did-update-set-state": 2,
    "react/no-multi-comp": 2,
    "react/no-unknown-property": 2,
    "react/prop-types": [2, { ignore: [
        "dispatch",
        "children",
        "className"
    ]}],
    "react/react-in-jsx-scope": 2,
    "react/self-closing-comp": 2,
    "react/wrap-multilines": 2
  },
  "plugins": [
    "react"
  ],
  "globals": {
    "global": false,
    "require": false,
    "gon": false,
    "module": false,
    "__dirname": false,
    "__filename": false,
    "analytics": false,
    "process": false,
    "LE": false,
    "goog_report_conversion": false
  }
}