Stylelint-config-primer NPM

Primer Stylelint Config

A sharable stylelint config object that enforces GitHub's CSS rules

Install

$ npm install --save --dev stylelint-config-primer

Usage

Within your stylelint config object You can extend this configuration. This will serve as a base for your config, then you can make overrides in your own config object:

{
  "extends": "stylelint-config-primer"
}

Documentation

Plugins

stylelint-order: Order-related linting rules for stylelint. Properties must be sorted according to this list.
stylelint-scss: A collection of SCSS specific linting rules for stylelint
- scss/selector-no-redundant-nesting-selector: Disallow redundant nesting selectors (&).
primer/no-override: Prohibits custom styles that target Primer CSS selectors.
primer/no-unused-vars: Warns about SCSS variables that are declared by not used in your local files.
primer/no-undefined-vars: Prohibits usage of undefined CSS variables.
primer/no-scale-colors: Prohibits the use of non-functional scale CSS variables
primer/colors: Enforces the use of certain color variables.
primer/spacing: Enforces the use of spacing variables for margin and padding.
primer/typography: Enforces the use of typography variables for certain CSS properties.
primer/borders: Enforces the use of certain variables for border properties.
primer/box-shadow: Enforces the use of certain variables for box-shadow.

Configured lints

This is a list of the lints turned on in this configuration, and what they do.

At-rule

at-rule-disallowed-list: Specify a list of disallowed at-rules.
- "extend" Disallow the use of @extend.
at-rule-name-case: at rules must be in written lowercase.
at-rule-name-space-after: There must always be a single space after at-rule names in single-line declaration blocks.
at-rule-semicolon-newline-after: There must always be a newline after the semicolon.

Block

block-closing-brace-newline-after: There must always be a newline after the closing brace.
block-closing-brace-newline-before: There must always be a newline before the closing brace in multi-line blocks.
block-closing-brace-space-before: There must always be a single space before the closing brace in single-line blocks.
block-no-empty: Disallow empty blocks.
block-opening-brace-newline-after: There must always be a newline after the opening brace in multi-line blocks.
block-opening-brace-space-after: There must always be a single space after the opening brace in single-line blocks.
block-opening-brace-space-before: There must always be a single space before the opening brace.

Color

color-hex-case: Hex colors must be written in lowercase.
color-hex-length: Always use short hex notation, where available.
color-named: Colors must never be named.
color-no-invalid-hex: Hex values must be valid.

Comment

comment-empty-line-before: There must always be an empty line before comments. Except: Comments that are nested and the first child of their parent node. Ignore: stylelint commands
comment-whitespace-inside: There must always be whitespace inside the markers.

Declaration

declaration-bang-space-after: There must never be whitespace after the bang.
declaration-bang-space-before: There must always be a single space before the bang.
declaration-colon-newline-after: There must always be a newline after the colon if the declaration's value is multi-line.
declaration-colon-space-after: There must always be a single space after the colon if the declaration's value is single-line.
declaration-colon-space-before: There must never be whitespace before the colon.

Declaration block

declaration-block-no-duplicate-properties: Disallow duplicate properties within declaration blocks. Ignore: consecutive duplicated properties.
declaration-block-no-shorthand-property-overrides: Disallow shorthand properties that override related longhand properties.
declaration-block-semicolon-newline-after: There must always be a newline after the semicolon.
declaration-block-semicolon-space-before: There must never be whitespace before the semicolons.
declaration-block-single-line-max-declarations: There should never be more than 1 declaration per line.
declaration-block-trailing-semicolon: There must always be a trailing semicolon.

Declaration Property

declaration-property-value-disallowed-list: Specify a list of disallowed property and value pairs within declarations.
- ^transition: Disallow the use of all within transitions.
- ^background: Disallow the use of http: protocols within background image urls.
- ^border: Disallow the use of the word none for borders, use 0 instead.
- .+: For everything ban the use of the word initial.

Font Family

font-family-name-quotes: Expect quotes only when quotes are required according to the criteria, and disallow quotes in all other cases.

Function

function-calc-no-unspaced-operator: Disallow an unspaced operator within calc functions.
function-comma-newline-after: There must never be a whitespace after the commas in multi-line functions.
function-comma-space-after: There must always be a single space after the commas in single-line functions.
function-comma-space-before: There must never be whitespace before the commas.
function-linear-gradient-no-nonstandard-direction: Disallow direction values in linear-gradient() calls that are not valid according to the standard syntax.
function-max-empty-lines: There must never be empty lines within a function.
function-name-case: Function names must be written in lowercase.
function-parentheses-newline-inside: There must always be a newline inside the parentheses of multi-line functions.
function-parentheses-space-inside: There must always be a single space inside the parentheses of single-line functions.
function-url-quotes: Urls must always be quoted.
function-whitespace-after: There must always be whitespace after the function.

General

indentation: Indentation should always be 2 spaces.
max-empty-lines: Limit the number of adjacent empty lines to 1.
max-nesting-depth: Limit the allowed nesting depth 3.
no-duplicate-selectors: Disallow duplicate selectors within a stylesheet.
no-eol-whitespace: Disallow end-of-line whitespace.
no-extra-semicolons: Disallow extra semicolons.
no-missing-end-of-source-newline: Disallow missing end-of-file newlines in non-empty files.
no-unsupported-browser-features: Disallow features that are unsupported by the browsers that we target.

Media Feature

media-feature-colon-space-after: There must always be a single space after the colon.
media-feature-colon-space-before: There must never be whitespace before the colon.
media-feature-no-missing-punctuation: Disallow missing punctuation for non-boolean media features.
media-feature-range-operator-space-after: There must always be a single space after the range operator.
media-feature-range-operator-space-before: There must always be a single space before the range operator.

Media Query

media-feature-parentheses-space-inside: There must never be whitespace on the inside the parentheses.

Media Query List

media-query-list-comma-newline-after: There must always be a newline after the commas in multi-line media query lists.
media-query-list-comma-space-after: There must always be a single space after the commas in single-line media query lists.
media-query-list-comma-space-before: There must never be whitepace before the commas.

Number

number-leading-zero: There must always be a leading zero.
number-no-trailing-zeros: Disallow trailing zeros in numbers.

Length

length-zero-no-unit: Disallow units for zero lengths.

Property

property-case: Properties must be written in lowercase.
property-no-vendor-prefix: Disallow vendor prefixes for properties.
shorthand-property-no-redundant-values: Disallow redundant values in shorthand properties.

Rule

rule-nested-empty-line-before: There must always be an empty line before multi-line rules. Except: Nested rules that are the first of their parent rule. Ignore: Rules that come after a comment.
rule-non-nested-empty-line-before: There must always be an empty line before multi-line rules. Ignore: Rules that come after a comment.

Selector

selector-attribute-brackets-space-inside: There must never be whitespace on the inside the brackets.
selector-attribute-operator-space-after: There must never be a single after after the operator.
selector-attribute-operator-space-before: There must never be a single before after the operator.
selector-combinator-space-after: There must always be a single space after the combinators.
selector-combinator-space-before: There must always be a single space before the combinators.
selector-max-compound-selectors: Limit the number of compound selectors in a selector to 3.
selector-max-empty-lines: Limit the number of adjacent empty lines within selectors to 0.
selector-max-specificity: Limit the specificity of selectors to "0,4,0".
selector-no-id: Disallow id selectors.
selector-no-qualifying-type: Disallow qualifying a selector by type.
selector-no-type: Disallow type selectors.
selector-pseudo-class-case: pseudo-class selectors should always be lowercase.
selector-pseudo-class-parentheses-space-inside: There must never be whitespace on the inside the parentheses.
selector-pseudo-element-case: pseudo-element selectors should always be lowercase.
selector-pseudo-element-colon-notation: Applicable pseudo-elements must always use the double colon notation.
selector-pseudo-element-no-unknown: Disallow unknown pseudo-element selectors.
selector-type-case: Type selectors must always be written in lowercase.

Selector List

selector-list-comma-newline-after: There must always be a newline after the commas.
selector-list-comma-space-before: There must never be whitespace before the commas.

String

string-no-newline: Disallow (unescaped) newlines in strings.
string-quotes: Strings must always be wrapped with double quotes.

Unit

unit-case: Units must be written in lowercase.
unit-no-unknown: Disallow unknown units.

Value

value-no-vendor-prefix: Disallow vendor prefixes for values.

Value list

value-list-comma-newline-after: There must always be a newline after the commas in multi-line value lists.
value-list-comma-space-after: There must always be a single space after the commas in single-line value lists.
value-list-comma-space-before: There must never be whitespace before the commas.

License

MIT © GitHub

github primer css stylelint-config stylelint

anymatch globby lodash.kebabcase postcss-value-parser string.prototype.matchall stylelint-no-unsupported-browser-features stylelint-order stylelint-scss tap-map

@everything-registry/sub-chunk-2842 @lsd-aus/stylelint-config stylelint-config-weiyi @infinitebrahmanuniverse/nolb-stylelint-c @plyk/stylelint @ueno/stylelint-config @alfa-code/alfa-code-presets @dre1080/stylelint-config

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