.eslintrc

{
  "extends": "airbnb",
  "parser": "babel-eslint",
  "env": {
    "browser": true,
    "node": true,
    "mocha": true
  },
  "ecmaFeatures": {
    "jsx": true,
    "es6": true,
    "classes": true
  },
  "rules": {
    "indent": [0, 2, {"SwitchCase": 1}],
    "comma-dangle": [1, "always-multiline"],
    "max-len": [1, 180, 4],
    "arrow-body-style": [0],

    ////////// Node.js //////////


    ////////// Possible Errors //////////
    "prefer-arrow-callback": 0,
    "func-names": 0,                // require function expressions to have a name (off by default)
    "comma-dangle": 0,         // disallow trailing commas in object literals
    "new-cap": 0,                   // require a capital letter for constructors
    "space-infix-ops": 0,           // require spaces around operators
    "space-before-function-paren": 0,
    "object-shorthand": 0,

    ////////// Variables //////////

    "no-unused-vars": 0,              // disallow declaration of variables that are not used in the code

    ////////// ECMAScript 6 //////////

    "no-var": 0          // require let or const instead of var (off by default)
  }
}