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node_modules/marked-highlight/lib/index.cjs

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+'use strict';
+
+function markedHighlight(options) {
+  if (typeof options === 'function') {
+    options = {
+      highlight: options,
+    };
+  }
+
+  if (!options || typeof options.highlight !== 'function') {
+    throw new Error('Must provide highlight function');
+  }
+
+  if (typeof options.langPrefix !== 'string') {
+    options.langPrefix = 'language-';
+  }
+
+  return {
+    async: !!options.async,
+    walkTokens(token) {
+      if (token.type !== 'code') {
+        return;
+      }
+
+      const lang = getLang(token.lang);
+
+      if (options.async) {
+        return Promise.resolve(options.highlight(token.text, lang, token.lang || '')).then(updateToken(token));
+      }
+
+      const code = options.highlight(token.text, lang, token.lang || '');
+      if (code instanceof Promise) {
+        throw new Error('markedHighlight is not set to async but the highlight function is async. Set the async option to true on markedHighlight to await the async highlight function.');
+      }
+      updateToken(token)(code);
+    },
+    useNewRenderer: true,
+    renderer: {
+      code(code, infoString, escaped) {
+        // istanbul ignore next
+        if (typeof code === 'object') {
+          escaped = code.escaped;
+          infoString = code.lang;
+          code = code.text;
+        }
+        const lang = getLang(infoString);
+        const classAttr = lang
+          ? ` class="${options.langPrefix}${escape(lang)}"`
+          : '';
+        code = code.replace(/\n$/, '');
+        return `<pre><code${classAttr}>${escaped ? code : escape(code, true)}\n</code></pre>`;
+      },
+    },
+  };
+}
+
+function getLang(lang) {
+  return (lang || '').match(/\S*/)[0];
+}
+
+function updateToken(token) {
+  return (code) => {
+    if (typeof code === 'string' && code !== token.text) {
+      token.escaped = true;
+      token.text = code;
+    }
+  };
+}
+
+// copied from marked helpers
+const escapeTest = /[&<>"']/;
+const escapeReplace = new RegExp(escapeTest.source, 'g');
+const escapeTestNoEncode = /[<>"']|&(?!(#\d{1,7}|#[Xx][a-fA-F0-9]{1,6}|\w+);)/;
+const escapeReplaceNoEncode = new RegExp(escapeTestNoEncode.source, 'g');
+const escapeReplacements = {
+  '&': '&amp;',
+  '<': '&lt;',
+  '>': '&gt;',
+  '"': '&quot;',
+  "'": '&#39;',
+};
+const getEscapeReplacement = (ch) => escapeReplacements[ch];
+function escape(html, encode) {
+  if (encode) {
+    if (escapeTest.test(html)) {
+      return html.replace(escapeReplace, getEscapeReplacement);
+    }
+  } else {
+    if (escapeTestNoEncode.test(html)) {
+      return html.replace(escapeReplaceNoEncode, getEscapeReplacement);
+    }
+  }
+
+  return html;
+}
+
+exports.markedHighlight = markedHighlight;