Default Sass Lint File

.sass-lint.yml

#########################
## Sass Lint File
#########################
# sass-lint -v
# Linter Options
options:
  # Don't merge default rules
  merge-default-rules: false
  # Set the formatter to 'stylish'
  formatter: compact
  # Output file instead of logging results
  # output-file: 'linters/sass-lint.html'
  # Raise an error if more than 50 warnings are generated
  max-warnings: 50

  cache-config: true
# File Options
files:
  include: '**/*.sass'
  # include: '**/*.s+(a|c)ss'
  ignore:
    - '**/css/vendor/**/*.*'
    - '**/css/dist/**/*.*'
    - '**/css/libs/**/*.*'
    - '**/css/fonts/**/*.*'
    - 'node_modules/**/*.*'


# Rule Configuration
rules:
  # Extends
  extends-before-mixins: 1
  extends-before-declarations: 1

  # Line Spacing
  one-declaration-per-line: 2
  empty-line-between-blocks:
      - include: true
  single-line-per-selector: 1

  # Rule no-color-literals will disallow the use of color literals and basic
  # color functions in any declarations other than variables or maps/lists.
  no-color-literals:
      - 1
      - allow-rgba: false

  # Rule no-css-comments will enforce the use of Sass single-line comments and
  # disallow CSS comments. Bang comments (/*! */, will be printed even in
  # minified mode) are still allowed.
  no-css-comments: 1

  # Rule no-duplicate-properties will enforce that duplicate properties are not
  # allowed within the same block.
  no-duplicate-properties: 1

  # Rule no-empty-rulesets will enforce that rulesets are not empty.
  no-empty-rulesets: 1

  # Rule no-ids will enforce that ID selectors are not allowed to be used.
  no-ids: 1

  # Rule no-important will enforce that important declarations are not allowed
  # to be used.
  no-important: 1

  # Rule no-invalid-hex will enforce that only valid of hexadecimal values
  # are written.
  no-invalid-hex: 2

  # Rule no-misspelled-properties will enforce the correct spelling of CSS
  # properties and prevent the use of unknown CSS properties.
  no-misspelled-properties: 2

  # Rule no-universal-selectors will warn against the use of * (universal)
  # selectors.
  no-universal-selectors: 2

  # Rule no-vendor-prefixes will enforce that vendor prefixes are not allowed
  # to be used.
  #
  # We will use postCSS to vendor prefix things.
  no-vendor-prefixes: 1

  # Only allow em/rem units for font-size.
  # No units allowed for line-height.
  property-units:
      - 1
      - per-property:
          font-size:
              - em
              - rem
          line-height: []


  # Nesting

  # Rule declarations-before-nesting will enforce that declarations should be written before nesting in a ruleset.
  declarations-before-nesting: 1


  # Name Formats

  # The following class names are allowed:
  # .site-search
  # .site-search__field
  # .site-search--full
  class-name-format:
      - 2
      - convention: hyphenatedbem


  # Function names cannot have leading underscores
  # Functions should be camelCase
  function-name-format:
      - 1
      - allow-leading-underscore: false
      - convention: camelcase


  # Style Guide

  # not sure about this one.
  # https://github.com/sasstools/sass-lint/blob/master/docs/rules/bem-depth.md
  bem-depth: 1

  # https://github.com/sasstools/sass-lint/blob/master/docs/rules/brace-style.md
  brace-style:
      - 1
      - style: '1tbs'
      - allow-single-line: false

  # No underscores or extensions in imports
  clean-import-paths:
      - 1
      - leading-underscore: false
      - filename-extension: false

  # Require 4 spaces for indentation.
  indentation:
      - 1
      - size: 4

  # Limit line length to 80 characters
  max-line-length:
      - 1
      - length: 80

  # Limit how deeply selectors can be nested
  nesting-depth:
      - 1
      - max-depth: 2

  # Prefer single quotes to double quotes
  # quotes:
  #     - 1
  #     - style: single

  url-quotes: 1



  # Inner Spacing

  # Include a space after commas
  space-after-comma: 1

  # No space before colon
  space-before-colon:
      - 1
      - include: false

  # Prefer space after colon
  space-after-colon: 1

  # Prefer space before brace
  space-before-brace: 1

  # Prefer space before bang
  space-before-bang: 1

  # Prefer no space after bang
  space-after-bang: 1


  # Final Items
  trailing-semicolon:
      - 1
      - include: false

  # Mixins
  mixins-before-declarations: 0

  # Disallows (unused)
  no-attribute-selectors: 0
  no-color-hex: 0
  no-color-keywords: 0
  no-combinators: 0
  no-debug: 0
  no-disallowed-properties: 0
  no-extends: 0
  no-mergeable-selectors: 0
  no-qualifying-elements: 0
  no-trailing-whitespace: 0
  no-trailing-zero: 0
  no-transition-all: 0
  no-url-domains: 0
  no-url-protocols: 0
  no-warn: 0

  #nesting (unused)
  force-attribute-nesting: 0
  force-element-nesting: 0
  force-pseudo-nesting: 0

  # name format (unused)
  id-name-format: 0
  mixin-name-format: 0
  placeholder-name-format: 0
  variable-name-format: 0

  # Style Guide (Unused)
  attribute-quotes: 0
  border-zero: 0
  empty-args: 0
  hex-length: 0
  hex-notation: 0
  leading-zero: 0
  max-file-line-count: 0
  property-sort-order: 0
  pseudo-element: 0
  shorthand-values: 0
  variable-for-property: 0
  zero-unit: 0

  # Inner Spacing
  space-between-parens: 0
  space-around-operator: 0

  # Final Items
  final-newline: 0