.eslintrc.yaml

env:
 browser: true
 es6: true
 greasemonkey: true
 jquery: true

extends: eslint:recommended

globals:
# GreaseMonkey
 GM_download:         readonly
# MBS
 __MB__:              readonly
 MB:                  readonly
# lib/CONTROL-POMME.js
 CONTROL_POMME:       readonly
# lib/COOL-BUBBLES.js
 coolBubble:          readonly
# lib/MB-JUNK-SHOP.js
 MB_banner:           readonly
 MB_collapsible_list: readonly
 MB_is_invalid_edit_note: readonly
 MB_text:             readonly
# lib/SUPER.js
 addAfter:            readonly
 createTag:           readonly
 disableInputs:       readonly
 enableInputs:        readonly
 force_value:         readonly
 getParent:           readonly
 getSibling:          readonly
 removeChildren:      readonly
 removeNode:          readonly
 replaceChildren:     readonly
 sendEvent:           readonly
 waitForElement:      readonly

ignorePatterns:
- "*.md"

parserOptions:
 ecmaVersion: 2019
 ecmaFeatures:
  globalReturn: true

root: true

rules:
# https://eslint.org/docs/rules/indent

# Possible errors - https://eslint.org/docs/rules/#possible-errors
 no-control-regex:
 - warn
 no-empty:
 - error
 - allowEmptyCatch: true
 no-irregular-whitespace:
 - warn
 - skipComments: true
   skipRegExps: true

# Best practices - https://eslint.org/docs/rules/#best-practices
# Strict mode - https://eslint.org/docs/rules/#strict-mode
 strict:
 - error
 - global

# Variables - https://eslint.org/docs/rules/#variables
 block-scoped-var:
 - warn
 no-unused-vars:
 - error
 - argsIgnorePattern: "^(event|mutations|observer)$"

# Stylistic-issues - https://eslint.org/docs/rules/#stylistic-issues
 brace-style:
 - error
 - 1tbs
 - allowSingleLine: true
 comma-dangle:
 - error
 - only-multiline
 comma-spacing:
 - error
 - after: true
   before: false
 comma-style:
 - error
 - last
 func-style:
 - error
 - declaration
 indent:
 - error
 - tab
 - ignoreComments: true
   SwitchCase: 1
 key-spacing:
 - error
 - beforeColon: false
   afterColon: true
   mode: minimum
 keyword-spacing:
 - error
 linebreak-style:
 - error
 - unix
 no-mixed-spaces-and-tabs:
 - error
 - smart-tabs
 no-tabs:
 - warn
 - allowIndentationTabs: true
 no-trailing-spaces:
 - error
 quotes:
 - error
 - double
 - avoidEscape: true
 semi:
 - error
 - always
 semi-spacing:
 - error
 - after: true
   before: false
 semi-style:
 - error
 - last
 space-in-parens:
 - error
 - never
 space-infix-ops:
 - error
 spaced-comment:
 - error
 - always
 - block:
    balanced: true