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const MODES = (hljs) => {
return {
IMPORTANT: {
className: 'meta',
begin: '!important'
},
HEXCOLOR: {
className: 'number',
begin: '#([a-fA-F0-9]{6}|[a-fA-F0-9]{3})'
},
ATTRIBUTE_SELECTOR_MODE: {
className: 'selector-attr',
begin: /\[/,
end: /\]/,
illegal: '$',
contains: [
hljs.APOS_STRING_MODE,
hljs.QUOTE_STRING_MODE
]
}
};
};
const TAGS = [
'a',
'abbr',
'address',
'article',
'aside',
'audio',
'b',
'blockquote',
'body',
'button',
'canvas',
'caption',
'cite',
'code',
'dd',
'del',
'details',
'dfn',
'div',
'dl',
'dt',
'em',
'fieldset',
'figcaption',
'figure',
'footer',
'form',
'h1',
'h2',
'h3',
'h4',
'h5',
'h6',
'header',
'hgroup',
'html',
'i',
'iframe',
'img',
'input',
'ins',
'kbd',
'label',
'legend',
'li',
'main',
'mark',
'menu',
'nav',
'object',
'ol',
'p',
'q',
'quote',
'samp',
'section',
'span',
'strong',
'summary',
'sup',
'table',
'tbody',
'td',
'textarea',
'tfoot',
'th',
'thead',
'time',
'tr',
'ul',
'var',
'video'
];
const MEDIA_FEATURES = [
'any-hover',
'any-pointer',
'aspect-ratio',
'color',
'color-gamut',
'color-index',
'device-aspect-ratio',
'device-height',
'device-width',
'display-mode',
'forced-colors',
'grid',
'height',
'hover',
'inverted-colors',
'monochrome',
'orientation',
'overflow-block',
'overflow-inline',
'pointer',
'prefers-color-scheme',
'prefers-contrast',
'prefers-reduced-motion',
'prefers-reduced-transparency',
'resolution',
'scan',
'scripting',
'update',
'width',
// TODO: find a better solution?
'min-width',
'max-width',
'min-height',
'max-height'
];
// https://developer.mozilla.org/en-US/docs/Web/CSS/Pseudo-classes
const PSEUDO_CLASSES = [
'active',
'any-link',
'blank',
'checked',
'current',
'default',
'defined',
'dir', // dir()
'disabled',
'drop',
'empty',
'enabled',
'first',
'first-child',
'first-of-type',
'fullscreen',
'future',
'focus',
'focus-visible',
'focus-within',
'has', // has()
'host', // host or host()
'host-context', // host-context()
'hover',
'indeterminate',
'in-range',
'invalid',
'is', // is()
'lang', // lang()
'last-child',
'last-of-type',
'left',
'link',
'local-link',
'not', // not()
'nth-child', // nth-child()
'nth-col', // nth-col()
'nth-last-child', // nth-last-child()
'nth-last-col', // nth-last-col()
'nth-last-of-type', //nth-last-of-type()
'nth-of-type', //nth-of-type()
'only-child',
'only-of-type',
'optional',
'out-of-range',
'past',
'placeholder-shown',
'read-only',
'read-write',
'required',
'right',
'root',
'scope',
'target',
'target-within',
'user-invalid',
'valid',
'visited',
'where' // where()
];
// https://developer.mozilla.org/en-US/docs/Web/CSS/Pseudo-elements
const PSEUDO_ELEMENTS = [
'after',
'backdrop',
'before',
'cue',
'cue-region',
'first-letter',
'first-line',
'grammar-error',
'marker',
'part',
'placeholder',
'selection',
'slotted',
'spelling-error'
];
const ATTRIBUTES = [
'align-content',
'align-items',
'align-self',
'animation',
'animation-delay',
'animation-direction',
'animation-duration',
'animation-fill-mode',
'animation-iteration-count',
'animation-name',
'animation-play-state',
'animation-timing-function',
'auto',
'backface-visibility',
'background',
'background-attachment',
'background-clip',
'background-color',
'background-image',
'background-origin',
'background-position',
'background-repeat',
'background-size',
'border',
'border-bottom',
'border-bottom-color',
'border-bottom-left-radius',
'border-bottom-right-radius',
'border-bottom-style',
'border-bottom-width',
'border-collapse',
'border-color',
'border-image',
'border-image-outset',
'border-image-repeat',
'border-image-slice',
'border-image-source',
'border-image-width',
'border-left',
'border-left-color',
'border-left-style',
'border-left-width',
'border-radius',
'border-right',
'border-right-color',
'border-right-style',
'border-right-width',
'border-spacing',
'border-style',
'border-top',
'border-top-color',
'border-top-left-radius',
'border-top-right-radius',
'border-top-style',
'border-top-width',
'border-width',
'bottom',
'box-decoration-break',
'box-shadow',
'box-sizing',
'break-after',
'break-before',
'break-inside',
'caption-side',
'clear',
'clip',
'clip-path',
'color',
'column-count',
'column-fill',
'column-gap',
'column-rule',
'column-rule-color',
'column-rule-style',
'column-rule-width',
'column-span',
'column-width',
'columns',
'content',
'counter-increment',
'counter-reset',
'cursor',
'direction',
'display',
'empty-cells',
'filter',
'flex',
'flex-basis',
'flex-direction',
'flex-flow',
'flex-grow',
'flex-shrink',
'flex-wrap',
'float',
'font',
'font-display',
'font-family',
'font-feature-settings',
'font-kerning',
'font-language-override',
'font-size',
'font-size-adjust',
'font-smoothing',
'font-stretch',
'font-style',
'font-variant',
'font-variant-ligatures',
'font-variation-settings',
'font-weight',
'height',
'hyphens',
'icon',
'image-orientation',
'image-rendering',
'image-resolution',
'ime-mode',
'inherit',
'initial',
'justify-content',
'left',
'letter-spacing',
'line-height',
'list-style',
'list-style-image',
'list-style-position',
'list-style-type',
'margin',
'margin-bottom',
'margin-left',
'margin-right',
'margin-top',
'marks',
'mask',
'max-height',
'max-width',
'min-height',
'min-width',
'nav-down',
'nav-index',
'nav-left',
'nav-right',
'nav-up',
'none',
'normal',
'object-fit',
'object-position',
'opacity',
'order',
'orphans',
'outline',
'outline-color',
'outline-offset',
'outline-style',
'outline-width',
'overflow',
'overflow-wrap',
'overflow-x',
'overflow-y',
'padding',
'padding-bottom',
'padding-left',
'padding-right',
'padding-top',
'page-break-after',
'page-break-before',
'page-break-inside',
'perspective',
'perspective-origin',
'pointer-events',
'position',
'quotes',
'resize',
'right',
'src', // @font-face
'tab-size',
'table-layout',
'text-align',
'text-align-last',
'text-decoration',
'text-decoration-color',
'text-decoration-line',
'text-decoration-style',
'text-indent',
'text-overflow',
'text-rendering',
'text-shadow',
'text-transform',
'text-underline-position',
'top',
'transform',
'transform-origin',
'transform-style',
'transition',
'transition-delay',
'transition-duration',
'transition-property',
'transition-timing-function',
'unicode-bidi',
'vertical-align',
'visibility',
'white-space',
'widows',
'width',
'word-break',
'word-spacing',
'word-wrap',
'z-index'
// reverse makes sure longer attributes `font-weight` are matched fully
// instead of getting false positives on say `font`
].reverse();
/*
Language: Stylus
Author: Bryant Williams <b.n.williams@gmail.com>
Description: Stylus is an expressive, robust, feature-rich CSS language built for nodejs.
Website: https://github.com/stylus/stylus
Category: css
*/
/** @type LanguageFn */
function stylus(hljs) {
const modes = MODES(hljs);
const AT_MODIFIERS = "and or not only";
const VARIABLE = {
className: 'variable',
begin: '\\$' + hljs.IDENT_RE
};
const AT_KEYWORDS = [
'charset',
'css',
'debug',
'extend',
'font-face',
'for',
'import',
'include',
'keyframes',
'media',
'mixin',
'page',
'warn',
'while'
];
const LOOKAHEAD_TAG_END = '(?=[.\\s\\n[:,(])';
// illegals
const ILLEGAL = [
'\\?',
'(\\bReturn\\b)', // monkey
'(\\bEnd\\b)', // monkey
'(\\bend\\b)', // vbscript
'(\\bdef\\b)', // gradle
';', // a whole lot of languages
'#\\s', // markdown
'\\*\\s', // markdown
'===\\s', // markdown
'\\|',
'%' // prolog
];
return {
name: 'Stylus',
aliases: [ 'styl' ],
case_insensitive: false,
keywords: 'if else for in',
illegal: '(' + ILLEGAL.join('|') + ')',
contains: [
// strings
hljs.QUOTE_STRING_MODE,
hljs.APOS_STRING_MODE,
// comments
hljs.C_LINE_COMMENT_MODE,
hljs.C_BLOCK_COMMENT_MODE,
// hex colors
modes.HEXCOLOR,
// class tag
{
begin: '\\.[a-zA-Z][a-zA-Z0-9_-]*' + LOOKAHEAD_TAG_END,
className: 'selector-class'
},
// id tag
{
begin: '#[a-zA-Z][a-zA-Z0-9_-]*' + LOOKAHEAD_TAG_END,
className: 'selector-id'
},
// tags
{
begin: '\\b(' + TAGS.join('|') + ')' + LOOKAHEAD_TAG_END,
className: 'selector-tag'
},
// psuedo selectors
{
className: 'selector-pseudo',
begin: '&?:(' + PSEUDO_CLASSES.join('|') + ')' + LOOKAHEAD_TAG_END
},
{
className: 'selector-pseudo',
begin: '&?::(' + PSEUDO_ELEMENTS.join('|') + ')' + LOOKAHEAD_TAG_END
},
modes.ATTRIBUTE_SELECTOR_MODE,
{
className: "keyword",
begin: /@media/,
starts: {
end: /[{;}]/,
keywords: {
$pattern: /[a-z-]+/,
keyword: AT_MODIFIERS,
attribute: MEDIA_FEATURES.join(" ")
},
contains: [ hljs.CSS_NUMBER_MODE ]
}
},
// @ keywords
{
className: 'keyword',
begin: '\@((-(o|moz|ms|webkit)-)?(' + AT_KEYWORDS.join('|') + '))\\b'
},
// variables
VARIABLE,
// dimension
hljs.CSS_NUMBER_MODE,
// functions
// - only from beginning of line + whitespace
{
className: 'function',
begin: '^[a-zA-Z][a-zA-Z0-9_\-]*\\(.*\\)',
illegal: '[\\n]',
returnBegin: true,
contains: [
{
className: 'title',
begin: '\\b[a-zA-Z][a-zA-Z0-9_\-]*'
},
{
className: 'params',
begin: /\(/,
end: /\)/,
contains: [
modes.HEXCOLOR,
VARIABLE,
hljs.APOS_STRING_MODE,
hljs.CSS_NUMBER_MODE,
hljs.QUOTE_STRING_MODE
]
}
]
},
// attributes
// - only from beginning of line + whitespace
// - must have whitespace after it
{
className: 'attribute',
begin: '\\b(' + ATTRIBUTES.join('|') + ')\\b',
starts: {
// value container
end: /;|$/,
contains: [
modes.HEXCOLOR,
VARIABLE,
hljs.APOS_STRING_MODE,
hljs.QUOTE_STRING_MODE,
hljs.CSS_NUMBER_MODE,
hljs.C_BLOCK_COMMENT_MODE,
modes.IMPORTANT
],
illegal: /\./,
relevance: 0
}
}
]
};
}
module.exports = stylus;