.eslintrc.yml

# .eslintrc.yml for Showcase
# based on version 2018/04/30
# by @kaz

parserOptions:
  ecmaVersion: 2018

env:
  es6: true
  node: true
  commonjs: true

extends:
  - eslint:recommended

rules:
  # Possible Errors
  no-console:
    - error
    - allow:
        - trace

  # Best Practices
  curly:
    - error
    - all

  # Stylistic Issues
  brace-style:
    - error
    - 1tbs
  comma-dangle:
    - error
    - always-multiline
  eol-last:
    - error
    - always
  indent:
    - error
    - tab
    - MemberExpression: 0
  linebreak-style:
    - error
    - unix
  no-multiple-empty-lines:
    - error
    - max: 1
  no-trailing-spaces:
    - error
  quotes:
    - error
    - double
  semi:
    - error
    - always
  spaced-comment:
    - error
    - always

  # ECMAScript 6
  arrow-parens:
    - error
    - as-needed
  no-var:
    - error
  prefer-const:
    - error