.eslintrc.yml

---
env:
  es6: true
extends: 'eslint:recommended'
rules:
  accessor-pairs: error
  array-bracket-newline:
    - error
    - consistent
  array-bracket-spacing:
    - error
    - never
  array-callback-return: error
  arrow-parens:
    - error
    - as-needed
  arrow-spacing: error
  block-scoped-var: error
  block-spacing: error
  brace-style:
    - error
    - 1tbs
  class-methods-use-this: error
  comma-dangle:
    - error
    - always-multiline
  comma-spacing:
    - error
    - after: true
      before: false
  comma-style:
    - error
    - last
  complexity: error
  computed-property-spacing:
    - error
    - never
  consistent-return: error
  curly:
    - error
    - multi-or-nest
    - consistent
  default-case: error
  dot-location:
    - error
    - property
  eol-last: error
  eqeqeq: error
  for-direction: error
  func-call-spacing: error
  func-name-matching: error
  func-names:
    - error
    - never
  func-style:
    - error
    - declaration
  generator-star-spacing: error
  getter-return: error
  global-require: error
  guard-for-in: error
  handle-callback-err: error
  indent:
    - error
    - 4
    - MemberExpression: 'off'
  key-spacing: error
  keyword-spacing:
    - error
    - after: true
      before: true
  linebreak-style:
    - error
    - unix
  lines-around-comment: error
  lines-around-directive: error
  lines-between-class-members: error
  max-depth: error
  max-len:
    - error
    - code: 120
      comments: 80
  max-nested-callbacks: error
  max-statements-per-line: error
  new-parens: error
  newline-per-chained-call: error
  no-array-constructor: error
  no-await-in-loop: error
  no-caller: error
  no-catch-shadow: error
  no-confusing-arrow: error
  no-div-regex: error
  no-else-return: error
  no-empty:
    - error
    - allowEmptyCatch: true
  no-empty-function: error
  no-eq-null: error
  no-eval: error
  no-extend-native: error
  no-extra-bind: error
  no-extra-label: error
  no-extra-parens:
    - error
    - all
    - conditionalAssign: false
      returnAssign: false
  no-floating-decimal: error
  no-invalid-this: error
  no-iterator: error
  no-label-var: error
  no-labels: error
  no-lone-blocks: error
  no-lonely-if: error
  no-loop-func: error
  no-multi-assign: error
  no-multi-spaces:
    - error
    - ignoreEOLComments: true
  no-multiple-empty-lines: error
  no-native-reassign: error
  no-negated-condition: error
  no-negated-in-lhs: error
  no-nested-ternary: error
  no-new: error
  no-new-func: error
  no-new-object: error
  no-new-wrappers: error
  no-octal-escape: error
  no-param-reassign: error
  no-proto: error
  no-restricted-syntax:
    - error
    # Use ES6 classes rather than Lang.Class
    - "NewExpression > MemberExpression[object.name='Lang']\
      [property.name='Class']"
    # Use arrow functions or Function.bind rather than Lang.bind
    - "CallExpression > MemberExpression[object.name='Lang']\
      [property.name='bind']"
    # Use super rather than this.parent()
    - "CallExpression > MemberExpression[object.type='ThisExpression']\
      [property.name='parent']"
    # Use GLib timeouts rather than the mainloop module
    - MemberExpression[object.name='imports'][property.name='mainloop']
  no-return-assign: error
  no-return-await: error
  no-self-compare: error
  no-sequences: error
  no-shadow: error
  no-shadow-restricted-names: error
  no-spaced-func: error
  no-tabs: error
  no-template-curly-in-string: error
  no-throw-literal: error
  no-trailing-spaces: error
  no-undef-init: error
  no-undefined: error
  no-unmodified-loop-condition: error
  no-unneeded-ternary: error
  no-unused-expressions: error
  no-use-before-define: error
  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
  object-shorthand: 'off'
  operator-assignment: error
  operator-linebreak: error
  padded-blocks:
    - error
    - never
  prefer-const: error
  prefer-destructuring: error
  prefer-numeric-literals: error
  prefer-promise-reject-errors: error
  prefer-rest-params: error
  prefer-spread: error
  prefer-template: error
  quote-props:
    - error
    - as-needed
  quotes:
    - error
    - single
    - avoidEscape: true
  radix: error
  require-await: error
  rest-spread-spacing:
    - error
    - never
  semi: error
  semi-spacing:
    - error
    - after: true
      before: false
  semi-style:
    - error
    - last
  space-before-blocks: error
  space-before-function-paren:
    - error
    - named: never
      anonymous: never
      asyncArrow: always
  space-in-parens:
    - error
    - never
  space-infix-ops: error
  space-unary-ops: error
  spaced-comment:
    - error
    - always
  strict:
    - error
    - never
  switch-colon-spacing: error
  symbol-description: error
  template-curly-spacing: error
  template-tag-spacing: error
  unicode-bom:
    - error
    - never
  valid-jsdoc: error
  wrap-iife: error
  wrap-regex: error
  yield-star-spacing: error
  yoda:
    - error
    - never
# GJS, SpiderMonkey and Jasmine global objects
globals:
  ARGV: false
  imports: false
  Intl: false
  log: false
  logError: false
  print: false
  printerr: false
  window: false
  _: false
  pkg: false
  describe: false
  beforeEach: false
  it: false
  expect: false
  spyOn: false
  beforeAll: false
  afterAll: false
parserOptions:
  ecmaVersion: 2018