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path: root/src/lib/languages/svelte.ts
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import type { Hljs } from './types'

export function svelte(hljs: Hljs) {
	return {
		subLanguage: 'xml',
		contains: [
			hljs.COMMENT('<!--', '-->', {
				relevance: 10,
			}),
			{
				begin: /^(\s*)(<script(\s*context="module")?>)/gm,
				end: /^(\s*)(<\/script>)/gm,
				subLanguage: 'javascript',
				excludeBegin: true,
				excludeEnd: true,
				contains: [
					{
						begin: /^(\s*)(\$:)/gm,
						end: /(\s*)/gm,
						className: 'keyword',
					},
				],
			},
			{
				begin: /^(\s*)(<style.*>)/gm,
				end: /^(\s*)(<\/style>)/gm,
				subLanguage: 'css',
				excludeBegin: true,
				excludeEnd: true,
			},
			{
				begin: /\{/gm,
				end: /\}/gm,
				subLanguage: 'javascript',
				contains: [
					{
						begin: /[\{]/,
						end: /[\}]/,
						skip: true,
					},
					{
						begin: /([#:\/@])(if|else|each|await|then|catch|debug|html)/gm,
						className: 'keyword',
						relevance: 10,
					},
				],
			},
		],
	}
}