.eslintrc.js

module.exports = {
  'env': {
    'browser': false,
    'es6':     true,
    'mocha':   true,
    'node':    true
  },
  'extends': [
    'google',
    'eslint:recommended'
  ],
  'rules': {
    'block-spacing':         [2, 'always'],
    'brace-style':           [2, '1tbs', {'allowSingleLine': true}],
    'camelcase':             [2, {properties: 'never'}],
    'comma-dangle':          0,
    'curly':                 0,
    'key-spacing':           [2, {align: 'value'}],
    'max-len':               [1, 120],
    'no-control-regex':      0,
    'no-console':            1,
    'no-empty':              [2, {'allowEmptyCatch': true}],
    'no-eval':               1, // we use it on purpose
    'no-loop-func':          1,
    'no-multi-spaces':       0,
    'no-proto':              1,
    'no-unused-expressions': 1,
    'no-unused-vars':        1,
    'no-var':                0,
    'no-warning-comments':   0,
    'prefer-rest-params':    0,
    'prefer-spread':         0,
    'quote-props':           1,
    'quotes':                [2, 'single', {avoidEscape: true}],
    'require-jsdoc':         0,
  }
};