@shikijs/markdown-it/dist/core.mjs

markdown-it integration for shiki

//#region src/core.ts
function setupMarkdownIt(markdownit, highlighter, options) {
	const { parseMetaString, trimEndingNewline = true, defaultLanguage = "text", fallbackLanguage } = options;
	const langs = highlighter.getLoadedLanguages();
	markdownit.options.highlight = (code, lang = "text", attrs) => {
		if (lang === "") lang = defaultLanguage;
		if (fallbackLanguage && !langs.includes(lang)) lang = fallbackLanguage;
		const meta = parseMetaString?.(attrs, code, lang) || {};
		const codeOptions = {
			...options,
			lang,
			meta: {
				...options.meta,
				...meta,
				__raw: attrs
			}
		};
		const builtInTransformer = [];
		builtInTransformer.push({
			name: "@shikijs/markdown-it:block-class",
			code(node) {
				node.properties.class = `language-${lang}`;
			}
		});
		if (trimEndingNewline) {
			if (code.endsWith("\n")) code = code.slice(0, -1);
		}
		return highlighter.codeToHtml(code, {
			...codeOptions,
			transformers: [...builtInTransformer, ...codeOptions.transformers || []]
		});
	};
}
function fromHighlighter(highlighter, options) {
	return function(markdownit) {
		setupMarkdownIt(markdownit, highlighter, options);
	};
}
//#endregion
export { fromHighlighter, setupMarkdownIt };