files:
  include: scss/**/*.scss
  ignore:
    - vendor/*

options:
  formatter: stylish
  merge-default-rules: true

# https://github.com/sasstools/sass-lint/tree/master/docs/rules
rules:

  class-name-format:
    - 1
    - convention: ^[-_a-z0-9]+$
    - convention-explanation: 'Class must contain only lowercase, hyphens, and underscores'

  force-pseudo-nesting: 0

  id-name-format: 0

  leading-zero:
    - 1
    - include: true

  nesting-depth:
    - 1
    - max-depth: 4

  no-css-comments: 0

  no-color-literals:
    - 1
    -
      allow-rgba: true

  no-duplicate-properties: 1

  no-qualifying-elements:
    - 1
    - allow-element-with-attribute: true # input[type='email'] but not div.class-name

  no-vendor-prefixes: 1

  property-sort-order:
    - 1
    -
      # https://github.com/sasstools/sass-lint/blob/develop/lib/config/property-sort-orders/concentric.yml
      order: concentric
      # https://github.com/sasstools/sass-lint/blob/develop/lib/config/property-sort-orders/smacss.yml
      # order: smacss

  quotes: 0