.eslintrc.yml

env:
  node:     true
  browser:  false
  es6:      true

extends: eslint:recommended

parserOptions: 
  ecmaVersion: 2020
  sourceType: module
  
ignorePatterns:
  - coverage/
  - dist/
  
rules:
  accessor-pairs:         2
  array-bracket-spacing:  [ 2, "always", { "singleValue": true, "objectsInArrays": true, "arraysInArrays": true } ]
  block-scoped-var:       1
  block-spacing:          2
  brace-style:            [ 2, '1tbs', { allowSingleLine: true } ]
  # Postponed
  #callback-return:        2
  comma-dangle:           2
  comma-spacing:          2
  comma-style:            2
  computed-property-spacing: [ 2, never ]
  consistent-this:        [ 1, self ]
  consistent-return:      2
  # ? change to multi
  curly:                  [ 2, 'multi-line' ]
  dot-notation:           2
  eol-last:               2
  eqeqeq:                 [ 2, always, { "null": "ignore" } ]
  func-style:             [ 1, declaration, { "allowArrowFunctions": true } ]
  # Postponed
  #global-require:         2
  guard-for-in:           1
  handle-callback-err:    2

  indent:                 [ 1, 2, { VariableDeclarator: { var: 2, let: 2, const: 3 }, SwitchCase: 0, MemberExpression: "off", ignoreComments: true } ]

  # key-spacing:            [ 2, { "align": "value" } ]
  keyword-spacing:        2
  linebreak-style:        2
  max-depth:              [ 1, 6 ]
  max-nested-callbacks:   [ 1, 4 ]
  # string can exceed 80 chars, but should not overflow github website :)
  max-len:                [ 1, 140, 1000 ]
  new-cap:                1
  new-parens:             2
  # Postponed
  #newline-after-var:      2
  no-alert:               2
  no-array-constructor:   2
  no-bitwise:             2
  no-caller:              2
  no-case-declarations:   1
  no-catch-shadow:        2
  no-cond-assign:         2
  no-console:             1
  no-constant-condition:  2
  no-control-regex:       1
  no-debugger:            1
  no-delete-var:          2
  no-div-regex:           2
  no-dupe-args:           2
  no-dupe-keys:           2
  no-duplicate-case:      2
  no-else-return:         2
  # Tend to drop
  # no-empty:               1
  no-empty-character-class: 2
  no-empty-pattern:       2
  no-eq-null:             1
  no-eval:                2
  no-ex-assign:           2
  no-extend-native:       2
  no-extra-bind:          2
  no-extra-boolean-cast:  2
  no-extra-semi:          2
  no-fallthrough:         2
  no-floating-decimal:    2
  no-func-assign:         2
  # Postponed
  #no-implicit-coercion:   [2, { "boolean": true, "number": true, "string": true } ]
  no-implied-eval:        2
  no-inner-declarations:  2
  no-invalid-regexp:      2
  no-irregular-whitespace: 2
  no-iterator:            2
  no-label-var:           2
  no-labels:              2
  no-lone-blocks:         2
  no-lonely-if:           2
  no-loop-func:           2
  no-mixed-requires:      2
  no-mixed-spaces-and-tabs: 1
  no-multi-str:           1
  # Postponed
  #no-native-reassign:     2
  no-negated-in-lhs:      2
  # Postponed
  #no-nested-ternary:      2
  no-new:                 2
  no-new-func:            2
  no-new-object:          2
  no-new-require:         2
  no-new-wrappers:        2
  no-obj-calls:           2
  no-octal:               2
  no-octal-escape:        2
  no-path-concat:         2
  no-proto:               2
  no-prototype-builtins:  1
  no-redeclare:           2
  # Postponed
  #no-regex-spaces:        2
  no-return-assign:       2
  no-script-url:        2
  no-self-compare:        2
  no-sequences:           2
  no-shadow:              1
  no-shadow-restricted-names: 2
  no-sparse-arrays:       2
  no-trailing-spaces:     1
  no-undef:               1
  no-undef-init:          2
  no-undefined:           1
  no-unexpected-multiline: 2
  no-unreachable:         2
  no-unused-expressions:  2
  no-unused-vars:         1
  no-use-before-define:   1
  no-useless-escape:      1
  no-var:                 1
  no-void:                2
  no-with:                2
  object-curly-spacing:   [ 2, always, { "objectsInObjects": true, "arraysInObjects": true } ]
  operator-assignment:    1
  # Postponed
  #operator-linebreak:     [ 2, after ]
  semi:                   [ 2, always ]
  semi-spacing:           2
  space-before-blocks:  2
  space-before-function-paren: [ 1, { "anonymous": "always", "named": "never" } ]
  space-in-parens:        [ 2, never ]
  space-infix-ops:        2
  space-unary-ops:        2
  # Postponed
  #spaced-comment:         [ 1, always, { exceptions: [ '/', '=' ] } ]
  strict:                 [ 1, global ]
  quotes:                 [ 1, single, avoid-escape ]
  quote-props:            [ 1, 'as-needed', { "keywords": true } ]
  radix:                  2
  use-isnan:              2
  valid-typeof:           2
  yoda:                   [ 2, never, { "exceptRange": true } ]