.eslintrc.yml

parserOptions:
  ecmaVersion: 9

env:
  node: true
  es6: true

extends:
  - 'eslint:recommended'

rules:
  # Disable some rules from eslint:recommended.
  no-console: 'off'
  no-empty: ['error', { 'allowEmptyCatch': true }]

  # Allow unused parameters. In callbacks, removing them seems to obscure what the functions are doing.
  no-unused-vars: ['error', {'args': 'none'}]

  # Use semicolons. (may change later)
  semi: ['error', 'always']

  # Preferences
  arrow-body-style: ['error', 'as-needed']
  func-style: ['error', 'declaration', { 'allowArrowFunctions': true }]
  no-var: 'error'
  quotes: ['error', 'single', { 'avoidEscape': true }]
  no-useless-concat: 'error'
  prefer-const: ['error', {'destructuring': 'all'}]
  prefer-template: 'error'
  template-curly-spacing: ['error', 'never']
  brace-style: 'error'
  comma-dangle: ['error', { 'arrays': 'always-multiline', 'objects': 'always-multiline', 'imports': 'always-multiline', 'exports': 'always-multiline' }]

  # Keep whitespace cleaned up.
  no-trailing-spaces: ['error', { 'skipBlankLines': true }]
  eol-last: 'error'
  indent: ['error', 2, { 'SwitchCase': 1 }]
  no-tabs: 'error'
  array-bracket-newline: ['error', { 'multiline': true }]