.eslintrc.yaml

root: true

env:
  es6: true
  node: true
  browser: true

extends:
  - eslint:recommended

parserOptions:
  ecmaVersion: latest
  sourceType: module

rules:
  array-bracket-newline:
    - error
    - consistent

  array-bracket-spacing:
    - error
    - never

  array-callback-return: error
  arrow-parens:
    - error
    - always

  arrow-spacing:
    - error
    - before: true
      after: true

  block-scoped-var: error
  block-spacing: error
  brace-style:
    - error
    - stroustrup

  comma-dangle:
    - error
    - arrays: never
      objects: never
      imports: never
      exports: never
      functions: never

  comma-spacing:
    - error
    - before: false
      after: true

  comma-style:
    - error
    - last

  computed-property-spacing: error
  curly:
    - error
    - all

  dot-location:
    - error
    - property

  eol-last:
    - error
    - never

  eqeqeq: error
  func-call-spacing: error
  func-name-matching: error
  func-style:
    - error
    - declaration
    - allowArrowFunctions: true

  indent:
    - error
    - 2

  key-spacing:
    - error
    - beforeColon: false
      afterColon: true

  keyword-spacing:
    - error
    - before: true
      after: true

  linebreak-style:
    - error
    - unix

  lines-between-class-members: error
  max-nested-callbacks: error
  max-statements-per-line: error
  new-parens: error
  no-array-constructor: error
  no-await-in-loop: error
  no-caller: error
  no-constant-condition:
    - error
    - checkLoops: false

  no-div-regex: error
  no-empty: error
  no-extra-bind: error
  no-extra-parens:
    - error
    - all
    - conditionalAssign: false
      nestedBinaryExpressions: false
      returnAssign: false

  no-implicit-coercion:
    - error
    - allow:
      - '!!'

  no-invalid-this: error
  no-iterator: error
  no-label-var: error
  no-lonely-if: error
  no-loop-func: error
  no-new-object: error
  no-new-wrappers: error
  no-octal-escape: error
  no-proto: error
  no-prototype-builtins: 'off'
  no-restricted-properties:
    - error
    - object: Lang
      property: copyProperties
      message: Use Object.assign()
    - object: Lang
      property: bind
      message: Use arrow notation or Function.prototype.bind()
    - object: Lang
      property: Class
      message: Use ES6 classes

  no-return-assign: error
  no-return-await: error
  no-self-compare: error
  no-shadow: error
  no-shadow-restricted-names: error
  no-template-curly-in-string: error
  no-throw-literal: error
  no-trailing-spaces: error
  no-undef-init: error
  no-unneeded-ternary: error
  no-unused-expressions: error
  no-unused-vars: off
  no-useless-call: error
  no-useless-computed-key: error
  no-useless-concat: error
  no-useless-constructor: error
  no-useless-rename: error
  no-useless-return: error
  no-whitespace-before-property: error
  no-with: error
  nonblock-statement-body-position:
    - error
    - below

  object-curly-newline:
    - error
    - consistent: true

  object-curly-spacing:
    - error
    - always

  object-shorthand: error
  operator-assignment: error
  operator-linebreak: error
  padded-blocks:
    - error
    - never

  prefer-const: error
  prefer-numeric-literals: error
  prefer-promise-reject-errors: error
  prefer-rest-params: error
  prefer-spread: error
  prefer-template: error
  quotes:
    - error
    - single

  require-await: error
  rest-spread-spacing:
    - error
    - never

  semi:
    - error
    - never

  semi-spacing:
    - error
    - before: false
      after: true

  semi-style: error
  space-before-blocks: error
  space-before-function-paren:
    - error
    - named: never
      anonymous: always
      asyncArrow: always

  space-in-parens: error
  space-infix-ops:
    - error
    - int32Hint: false

  space-unary-ops: error
  spaced-comment: error
  switch-colon-spacing: error
  symbol-description: error
  template-curly-spacing: error
  template-tag-spacing: error
  unicode-bom: error
  wrap-iife:
    - error
    - inside

  yield-star-spacing: error
  yoda: error
  no-duplicate-imports: error
  no-use-before-define:
    - error
    - functions: false

  no-unused-private-class-members: error
  no-unmodified-loop-condition: error
  no-promise-executor-return: error
  require-atomic-updates: error
  arrow-body-style:
    - error
    - as-needed

  consistent-return: error
  default-case-last: error