.eslintrc

---
ecmaFeatures:
  modules: true

env:
  es6: true
  browser: true
  node: true

# 0: off, 1: warning, 2: error
rules:
  # max 80 chars per line
  max-len: [2, 80, 4]

  # 2 spaces indentation
  indent: [2, 2]

  # double quote to match json
  quotes: [2, "double"]

  # semicolons are useless
  semi: [2, "never"]

  # consistent whitespace after keywords
  space-after-keywords: [2, "always"]

  # consistent whitespace before blocks
  space-before-blocks: [2, "always"]

  # consistent whitespace before function paren
  space-before-function-paren: [2, "never"]

  # consistent whitespace in brackets
  space-in-brackets: [2, "never"]

  # consistent whitespace in parens
  space-in-parens: [2, "never"]

  # consistent whitespace in single line comments
  spaced-line-comment: [2, "always"]

  # single empty lines only
  no-multiple-empty-lines: [2, {"max": 1}]

  # one brace per line
  brace-style: [2, "stroustrup"]

  # trailing coma are cool for diff
  comma-dangle: [2, "always-multiline"]

  # enforce comma at eol (never before)
  comma-style: [2, "last"]