old-dot-eslint.yml

env:
  browser: true
  amd: true
  es6: true
extends: ["eslint:recommended", "preact"]
parserOptions:
  ecmaVersion: 9
rules:
  # no strict mode, because we like to use destructuring in arguments.
  strict:
    - error
    - never
  linebreak-style:
    - error
    - unix
  # single quotes are simply easier to type, and consistency is good.
  quotes:
    - error
    - single
  # semis are best for reliability, and with format on save they'll be supplied
  # automatically, but I'm not a true believer.
  semi:
    - error
    - always
  # helps prevent leaving debugging console.logs
  no-console:
    - error
    - allow:
        - warn
        - error
  # stylistic
  no-trailing-spaces:
    - error

  space-before-function-paren:
    - error
    - anonymous: always
      named: never
      asyncArrow: always
  space-in-parens:
    - error
    - never
  func-call-spacing:
    - error
    - never
  keyword-spacing:
    - error
    - before: true
      after: true
  no-fallthrough:
    - error
    - commentPattern: fallthrough
  prefer-const:
    - error
  arrow-parens:
    - error
  indent:
    - error
    - 4
    - SwitchCase: 0
  object-curly-spacing:
    - error
    - never