---
root: true

extends:
  - eslint:recommended

env:
  # ECMAScript 2022 globals
  es2022: true

  # Browser global variables
  browser: true

  # jQuery global variables
  jquery: true

rules:
  # ===============
  # Possible Errors
  # ===============
  #
  # The following rules point out areas where you might have made
  # mistakes.

  # disallow or enforce trailing commas
  comma-dangle: [error, never]

  # disallow use of console.
  no-console: warn

  # ==============
  # Best Practices
  # ==============
  #
  # These are rules designed to prevent you from making mistakes.
  # They either prescribe a better way of doing something or help
  # you avoid footguns.

  # require the use of === and !==
  eqeqeq: [error, always]

  # disallow the use of alert, confirm, and prompt
  no-alert: error

  # disallow use of eval()
  no-eval: error

  # disallow use of multiple spaces
  no-multi-spaces: error

  # ===========
  # Strict Mode
  # ===========
  #
  # These rules relate to using strict mode.

  # controls location of Use Strict Directives
  strict: [error, global]

  # ================
  # Stylistic Issues
  # ================
  #
  # These rules are purely matters of style and are quite subjective.

  # this option sets a 2-space indentation for your code
  indent: [warn, 2]

  # enforce one true brace style (1tbs)
  brace-style: warn

  # require camel case names
  camelcase: warn

  # enforce spacing before and after comma
  comma-spacing: [warn, {before: false, after: true}]

  # enforce one true comma style
  comma-style: [warn, last]

  # enforce newline at the end of file, with no multiple empty lines
  eol-last: [warn, always]

  # specify whether double or single quotes should be used
  quotes: [warn, single]

  # require or disallow use of semicolons instead of ASI
  semi: [warn, always]

  # enforce spacing before and after semicolons
  semi-spacing: [warn, {before: false, after: true}]

  # sort variables within the same declaration block
  sort-vars: warn

  # ============
  # ECMAScript 6
  # ============
  #
  # These rules are only relevant to ES6 environments.

  # require let or const instead of var
  no-var: error

# Report unused eslint-disable comments
reportUnusedDisableDirectives: true