.eslintrc

# So parent files don't get applied
root: true

env:
  es6: true
  browser: true
  node: true
  mocha: true

rules:
  # Style
  comma-spacing: 2
  eol-last: 2
  indent: [2, 2]
  new-cap: 2
  one-var: [2, never]
  quotes: [1, single]
  space-after-keywords: 2
  space-before-blocks: 2
  spaced-comment: [2, always]

  # Best practices
  curly: 2
  dot-location: [2, property]
  eqeqeq: [2, allow-null]
  guard-for-in: 2
  no-caller: 2
  no-extend-native: 2
  no-loop-func: 2
  no-unused-expressions: 2
  wrap-iife: 2
  yoda: 2

  # Variables
  no-undef: 2

  # Syntax errors
  comma-dangle: [2, never]
  no-dupe-keys: 2

  # ES6/2015
  constructor-super: 2
  no-const-assign: 1
  no-this-before-super: 2
  no-var: 2
  prefer-const: 1

  # Disabled
  key-spacing: 0
  no-underscore-dangle: 0
  no-shadow: 0
  no-shadow-restricted-names: 0
  semi-spacing: 0
  space-unary-ops: 0
  space-infix-ops: 0
  consistent-return: 0

parser: babel-eslint