# Linter Documentation:

# https://github.com/brigade/scss-lint/blob/master/lib/scss_lint/linter/README.md

scss_files: 'app/assets/stylesheets/**/*.scss'

exclude:

- 'app/assets/stylesheets/pages/emojis.scss'

linters:

# Reports when you use improper spacing around ! (the "bang") in !default,

# !global, !important, and !optional flags.

BangFormat:

enabled: true

# Whether or not to prefer `border: 0` over `border: none`.

BorderZero:

enabled: false

# Reports when you define a rule set using a selector with chained classes

# (a.k.a. adjoining classes).

ChainedClasses:

enabled: false

# Prefer hexadecimal color codes over color keywords.

# (e.g. `color: green` is a color keyword)

ColorKeyword:

enabled: false

# Prefer color literals (keywords or hexadecimal codes) to be used only in

# variable declarations. They should be referred to via variables everywhere

# else.

ColorVariable:

enabled: true

# Which form of comments to prefer in CSS.

Comment:

enabled: false

# Reports @debug statements (which you probably left behind accidentally).

DebugStatement:

enabled: false

# Rule sets should be ordered as follows:

# - @extend declarations

# - @include declarations without inner @content

# - properties

# - @include declarations with inner @content

# - nested rule sets.

DeclarationOrder:

enabled: true

# `scss-lint:disable` control comments should be preceded by a comment

# explaining why these linters are being disabled for this file.

# See https://github.com/brigade/scss-lint#disabling-linters-via-source for

# more information.

DisableLinterReason:

enabled: true

# Reports when you define the same property twice in a single rule set.

DuplicateProperty:

enabled: true

# Separate rule, function, and mixin declarations with empty lines.

EmptyLineBetweenBlocks:

enabled: true

# Reports when you have an empty rule set.

EmptyRule:

enabled: true

# Reports when you have an @extend directive.

ExtendDirective:

enabled: false

# Files should always have a final newline. This results in better diffs

# when adding lines to the file, since SCM systems such as git won't

# think that you touched the last line.

FinalNewline:

enabled: true

# HEX colors should use three-character values where possible.

HexLength:

enabled: false

# HEX color values should use lower-case colors to differentiate between

# letters and numbers, e.g. `#E3E3E3` vs. `#e3e3e3`.

HexNotation:

enabled: true

# Avoid using ID selectors.

IdSelector:

enabled: false

# The basenames of @imported SCSS partials should not begin with an

# underscore and should not include the filename extension.

ImportPath:

enabled: true

# Avoid using !important in properties. It is usually indicative of a

# misunderstanding of CSS specificity and can lead to brittle code.

ImportantRule:

enabled: false

# Indentation should always be done in increments of 2 spaces.

Indentation:

enabled: true

width: 2

# Don't write leading zeros for numeric values with a decimal point.

LeadingZero:

enabled: false

# Reports when you define the same selector twice in a single sheet.

MergeableSelector:

enabled: false

# Functions, mixins, variables, and placeholders should be declared

# with all lowercase letters and hyphens instead of underscores.

NameFormat:

enabled: false

# Avoid nesting selectors too deeply.

NestingDepth:

enabled: false

# Always use placeholder selectors in @extend.

PlaceholderInExtend:

enabled: false

# Sort properties in a strict order.

PropertySortOrder:

enabled: false

# Reports when you use an unknown or disabled CSS property

# (ignoring vendor-prefixed properties).

PropertySpelling:

enabled: true

# Configure which units are allowed for property values.

PropertyUnits:

enabled: false

# Pseudo-elements, like ::before, and ::first-letter, should be declared

# with two colons. Pseudo-classes, like :hover and :first-child, should

# be declared with one colon.

PseudoElement:

enabled: true

# Avoid qualifying elements in selectors (also known as "tag-qualifying").

QualifyingElement:

enabled: false

# Don't write selectors with a depth of applicability greater than 3.

SelectorDepth:

enabled: false

# Selectors should always use hyphenated-lowercase, rather than camelCase or

# snake_case.

SelectorFormat:

enabled: false

convention: hyphenated_lowercase

# Prefer the shortest shorthand form possible for properties that support it.

Shorthand:

enabled: true

# Each property should have its own line, except in the special case of

# single line rulesets.

SingleLinePerProperty:

enabled: true

allow_single_line_rule_sets: true

# Split selectors onto separate lines after each comma, and have each

# individual selector occupy a single line.

SingleLinePerSelector:

enabled: true

# Commas in lists should be followed by a space.

SpaceAfterComma:

enabled: true

# Comment literals should be followed by a space.

SpaceAfterComment:

enabled: false

# Properties should be formatted with a single space separating the colon

# from the property's value.

SpaceAfterPropertyColon:

enabled: true

# Properties should be formatted with no space between the name and the

# colon.

SpaceAfterPropertyName:

enabled: true

# Variables should be formatted with a single space separating the colon

# from the variable's value.

SpaceAfterVariableColon:

enabled: true

# Variables should be formatted with no space between the name and the

# colon.

SpaceAfterVariableName:

enabled: false

# Operators should be formatted with a single space on both sides of an

# infix operator.

SpaceAroundOperator:

enabled: true

# Opening braces should be preceded by a single space.

SpaceBeforeBrace:

enabled: true

# Parentheses should not be padded with spaces.

SpaceBetweenParens:

enabled: false

# Enforces that string literals should be written with a consistent form

# of quotes (single or double).

StringQuotes:

enabled: false

# Property values, @extend, @include, and @import directives, and variable

# declarations should always end with a semicolon.

TrailingSemicolon:

enabled: true

# Reports lines containing trailing whitespace.

TrailingWhitespace:

enabled: true

# Don't write trailing zeros for numeric values with a decimal point.

TrailingZero:

enabled: false

# Don't use the `all` keyword to specify transition properties.

TransitionAll:

enabled: false

# Numeric values should not contain unnecessary fractional portions.

UnnecessaryMantissa:

enabled: false

# Do not use parent selector references (&) when they would otherwise

# be unnecessary.

UnnecessaryParentReference:

enabled: true

# URLs should be valid and not contain protocols or domain names.

UrlFormat:

enabled: true

# URLs should always be enclosed within quotes.

UrlQuotes:

enabled: true

# Properties, like color and font, are easier to read and maintain

# when defined using variables rather than literals.

VariableForProperty:

enabled: false

# Avoid vendor prefixes. Or rather: don't write them yourself.

VendorPrefix:

enabled: false

# Omit length units on zero values, e.g. `0px` vs. `0`.

ZeroUnit:

enabled: true