.eslintrc.yaml

root: true
extends:
  # airbnbは先頭
  - airbnb-base
  # 以下、pettierは末尾
  - prettier
  - plugin:prettier/recommended
plugins:
  - import
  - prettier
env:
  es6: true
  browser: true
rules:
  # ペーストで済むようにJSONにとどめとこう
  no-unused-vars: 'warn'
  quotes: ['error', 'single', { 'avoidEscape': true }]
  no-console: ['error', { allow: ['warn', 'error', 'log', 'dir'] }]
  comma-dangle:
    [
      'error',
      {
        'arrays': 'always-multiline',
        'exports': 'always-multiline',
        'functions': 'never',
        'imports': 'always-multiline',
        'objects': 'always-multiline',
      },
    ]
  func-names: ['error', 'never']
  space-before-function-paren:
    ['error', { 'anonymous': 'always', 'named': 'never' }]
  wrap-iife: ['error', 'inside']
  no-param-reassign: ['error', { 'props': false }]
  guard-for-in: 0
  no-restricted-syntax: 0
  no-constant-condition: ['error', { 'checkLoops': false }]
  prefer-destructuring: 0
  symbol-description: 0
  yoda: [2, 'never', { 'exceptRange': true }]
  class-methods-use-this: 0
  max-len: ['warn', { 'code': 80 }]
  import/no-extraneous-dependencies:
    ['error', { devDependencies: true, optionalDependencies: false }]