61 lines
1.4 KiB
JavaScript
Executable file
61 lines
1.4 KiB
JavaScript
Executable file
/* FIXME :
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:extend() is not handled specifically : its highlighting is buggy.
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Mixin usage must be inside a ruleset to be highlighted.
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At-rules (e.g. import) containing interpolations are buggy.
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Detached rulesets are highlighted as at-rules.
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A comment before a mixin usage prevents the latter to be properly highlighted.
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*/
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Prism.languages.less = Prism.languages.extend('css', {
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'comment': [
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/\/\*[\s\S]*?\*\//,
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{
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pattern: /(^|[^\\])\/\/.*/,
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lookbehind: true
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}
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],
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'atrule': {
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pattern: /@[\w-]+?(?:\([^{}]+\)|[^(){};])*?(?=\s*\{)/i,
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inside: {
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'punctuation': /[:()]/
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}
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},
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// selectors and mixins are considered the same
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'selector': {
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pattern: /(?:@\{[\w-]+\}|[^{};\s@])(?:@\{[\w-]+\}|\([^{}]*\)|[^{};@])*?(?=\s*\{)/,
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inside: {
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// mixin parameters
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'variable': /@+[\w-]+/
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}
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},
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'property': /(?:@\{[\w-]+\}|[\w-])+(?:\+_?)?(?=\s*:)/i,
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'punctuation': /[{}();:,]/,
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'operator': /[+\-*\/]/
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});
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// Invert function and punctuation positions
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Prism.languages.insertBefore('less', 'punctuation', {
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'function': Prism.languages.less.function
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});
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Prism.languages.insertBefore('less', 'property', {
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'variable': [
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// Variable declaration (the colon must be consumed!)
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{
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pattern: /@[\w-]+\s*:/,
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inside: {
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"punctuation": /:/
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}
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},
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// Variable usage
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/@@?[\w-]+/
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],
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'mixin-usage': {
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pattern: /([{;]\s*)[.#](?!\d)[\w-]+.*?(?=[(;])/,
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lookbehind: true,
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alias: 'function'
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}
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});
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