refractor
Version:
Lightweight, robust, elegant virtual syntax highlighting using Prism
91 lines (89 loc) • 2.28 kB
JavaScript
// @ts-nocheck
/**
* @import {Refractor} from '../lib/core.js'
*/
import refractorMarkup from './markup.js'
wiki.displayName = 'wiki'
wiki.aliases = []
/** @param {Refractor} Prism */
export default function wiki(Prism) {
Prism.register(refractorMarkup)
Prism.languages.wiki = Prism.languages.extend('markup', {
'block-comment': {
pattern: /(^|[^\\])\/\*[\s\S]*?\*\//,
lookbehind: true,
alias: 'comment'
},
heading: {
pattern: /^(=+)[^=\r\n].*?\1/m,
inside: {
punctuation: /^=+|=+$/,
important: /.+/
}
},
emphasis: {
// TODO Multi-line
pattern: /('{2,5}).+?\1/,
inside: {
'bold-italic': {
pattern: /(''''').+?(?=\1)/,
lookbehind: true,
alias: ['bold', 'italic']
},
bold: {
pattern: /(''')[^'](?:.*?[^'])?(?=\1)/,
lookbehind: true
},
italic: {
pattern: /('')[^'](?:.*?[^'])?(?=\1)/,
lookbehind: true
},
punctuation: /^''+|''+$/
}
},
hr: {
pattern: /^-{4,}/m,
alias: 'punctuation'
},
url: [
/ISBN +(?:97[89][ -]?)?(?:\d[ -]?){9}[\dx]\b|(?:PMID|RFC) +\d+/i,
/\[\[.+?\]\]|\[.+?\]/
],
variable: [
/__[A-Z]+__/,
// FIXME Nested structures should be handled
// {{formatnum:{{#expr:{{{3}}}}}}}
/\{{3}.+?\}{3}/,
/\{\{.+?\}\}/
],
symbol: [/^#redirect/im, /~{3,5}/],
// Handle table attrs:
// {|
// ! style="text-align:left;"| Item
// |}
'table-tag': {
pattern: /((?:^|[|!])[|!])[^|\r\n]+\|(?!\|)/m,
lookbehind: true,
inside: {
'table-bar': {
pattern: /\|$/,
alias: 'punctuation'
},
rest: Prism.languages.markup['tag'].inside
}
},
punctuation: /^(?:\{\||\|\}|\|-|[*#:;!|])|\|\||!!/m
})
Prism.languages.insertBefore('wiki', 'tag', {
// Prevent highlighting inside <nowiki>, <source> and <pre> tags
nowiki: {
pattern: /<(nowiki|pre|source)\b[^>]*>[\s\S]*?<\/\1>/i,
inside: {
tag: {
pattern: /<(?:nowiki|pre|source)\b[^>]*>|<\/(?:nowiki|pre|source)>/i,
inside: Prism.languages.markup['tag'].inside
}
}
}
})
}