.eslintrc.js

/*eslint-env node*/
module.exports = {
  "parserOptions": {
    "ecmaVersion": 6,
    "sourceType": "module"
  },
  "env": {
    "browser": true
  },
  "globals": {
    "require": "readonly",
    "__dirname": "readonly",
    "module": "writable"
  },
  'rules': {
    'camelcase': 2,
    'comma-dangle': [2, 'never'],
    'comma-style': [2, 'last'],
    'eqeqeq': 2,
    'indent': [2, 2, { 'VariableDeclarator': 2 }],
    'no-eq-null': 2,
    'no-extra-parens': 2,
    'no-extra-semi': 2,
    'no-lonely-if': 2,
    'no-multi-spaces': 0,
    'no-nested-ternary': 2,
    'no-param-reassign': 2,
    'no-self-compare': 2,
    'no-shadow': 2,
    'no-throw-literal': 2,
    'no-undef': 2,
    'no-underscore-dangle': 0,
    'no-void': 2,
    'quotes': [2, 'single'],
    'semi': [2, 'always']
  }
};