.eslintrc

{
  "env": {
    "browser": true,
    "node": true,
    "es6": true
  },
  "parser": "babel-eslint",
  "ecmaFeatures": {
    "jsx": true,
    "arrowFunctions": true,
    "blockBindings": true,
    "classes": true,
    "defaultParams": true,
    "destructuring": true,
    "forOf": true,
    "generators": false,
    "modules": true,
    "objectLiteralComputedProperties": true,
    "objectLiteralDuplicateProperties": false,
    "objectLiteralShorthandMethods": true,
    "objectLiteralShorthandProperties": true,
    "spread": true,
    "superInFunctions": true,
    "templateStrings": true,
  },
  "rules": {
    /**
     * References
     *  http://www.cnblogs.com/qianlegeqian/p/4728170.html
     *  https://github.com/airbnb/javascript/blob/master/packages/eslint-config-airbnb/base/index.js
     */

    // babel inserts 'use strict'; for us
    "strict": [2, "never"],
    "semi": [2, "always"], // 句尾強制分號
    "curly": 0,
    "radix": 2,
    "wrap-iife": 2,
    "brace-style": 0,
    "comma-style": 2,
    "comma-dangle": [2, "never"],
    "consistent-this": 0,
    "indent": [2, 2],
    "no-lonely-if": 2,
    "no-nested-ternary": 2,
    "no-use-before-define": [2, "nofunc"],
    "quotes": [2, "single"],
    "space-after-keywords": [2, "always"],
    "space-before-blocks": [2, "always"], // 大括號前要有空白
    "space-before-function-paren": [2, "never"],
    "space-in-parens": [2, "never"], // 小括號內(前後)不得有空白
    "space-unary-ops": 2,
    "no-mixed-spaces-and-tabs": [2, false], // 禁止混用 space & tab
  }
}