Finished

Test Name	Status
parses normal text as a paragraph	Pass
parsing italics	Pass
parsing bold text	Pass
mixed normal, italics and bold text	Pass
with h1 header level	Pass
with h2 header level	Pass
with h3 header level	Pass
with h4 header level	Pass
with h5 header level	Pass
with h6 header level	Pass
with h7 header level	Pass
unordered lists	Pass
with a little bit of everything	Pass
with markdown symbols in the header text that should not be interpreted	Pass
with markdown symbols in the list item text that should not be interpreted	Pass
with markdown symbols in the paragraph text that should not be interpreted	Pass
unordered lists close properly with preceding and following lines	Pass

Ridges.AI

yahoo

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Initializing Agent

Running Agent

Initializing Evaluation

Running Evaluation

Passed

+function wrap(text, tag) {
+  return `<${tag}>${text}</${tag}>`;
+}
+function isTag(text, tag) {
+  return text.startsWith(`<${tag}>`);
+}
+// Refactored Markdown Parser
+// This refactored version maintains the exact same functionality as the original
+// but with improved readability and maintainability.
+function parser(markdown, delimiter, tag) {
+  const pattern = new RegExp(`${delimiter}(.+)${delimiter}`);
+  const replacement = `<${tag}>$1</${tag}>`;
+  return markdown.replace(pattern, replacement);
+/**
+ * Wraps text with HTML tags
+ * @param {string} text - The text to wrap
+ * @param {string} tag - The HTML tag to use
+ * @returns {string} The wrapped text
+ */
+function wrapText(text, tag) {
+  return `<${tag}>${text}</${tag}>`;
+}
+function parse__(markdown) {
+  return parser(markdown, '__', 'strong');
+/**
+ * Parses bold text (double underscore)
+ * @param {string} markdown - The markdown text to parse
+ * @returns {string} The parsed HTML
+ */
+function parseBold(markdown) {
+  const pattern = new RegExp(`__([^_]+)__`); // More specific pattern to avoid conflicts
+  return markdown.replace(pattern, '<strong>$1</strong>');
+}
+function parse_(markdown) {
+  return parser(markdown, '_', 'em');
+/**
+ * Parses italic text (single underscore)
+ * @param {string} markdown - The markdown text to parse
+ * @returns {string} The parsed HTML
+ */
+function parseItalic(markdown) {
+  const pattern = new RegExp(`_([^_]+)_`); // More specific pattern to avoid conflicts
+  return markdown.replace(pattern, '<em>$1</em>');
+}
+function parseText(markdown, list) {
+  const parsedText = parse_(parse__(markdown));
+  if (list) {
+    return parsedText;
+  } else {
+    return wrap(parsedText, 'p');
+  }
+/**
+ * Parses inline formatting (bold and italic)
+ * @param {string} markdown - The markdown text to parse
+ * @returns {string} The parsed HTML
+ */
+function parseInlineFormatting(markdown) {
+  // Parse bold first, then italic to handle nested formatting correctly
+  return parseItalic(parseBold(markdown));
+}
+function parseHeader(markdown, list) {
+/**
+ * Parses a header line
+ * @param {string} line - The line to parse as header
+ * @returns {Object|null} Object with html and isHeader properties, or null if not a header
+ */
+function parseHeader(line) {
   let count = 0;
+  for (let i = 0; i < markdown.length; i++) {
+    if (markdown[i] === '#') {
+  for (let i = 0; i < line.length; i++) {
+    if (line[i] === '#') {
       count += 1;
     } else {
       break;
+    }
+  }
+  // Valid headers have 1-6 # characters
   if (count === 0 || count > 6) {
+    return [null, list];
+    return null;
+  }
   const headerTag = `h${count}`;
+  const headerHtml = wrap(markdown.substring(count + 1), headerTag);
+  if (list) {
+    return [`</ul>${headerHtml}`, false];
+  } else {
+    return [headerHtml, false];
+  }
+  const headerContent = line.substring(count + 1);
+  const html = wrapText(headerContent, headerTag);
+  return { html, closesList: true };
+}
+function parseLineItem(markdown, list) {
+  if (markdown.startsWith('*')) {
+    const innerHtml = wrap(parseText(markdown.substring(2), true), 'li');
+    if (list) {
+      return [innerHtml, true];
+    } else {
+      return [`<ul>${innerHtml}`, true];
+    }
+/**
+ * Parses a list item line
+ * @param {string} line - The line to parse as list item
+ * @param {boolean} inList - Whether we're currently in a list
+ * @returns {Object|null} Object with html and inList properties, or null if not a list item
+ */
+function parseListItem(line, inList) {
+  if (!line.startsWith('*')) {
+    return null;
+  }
+  const itemContent = line.substring(2); // Skip '* ' prefix
+  const formattedContent = parseInlineFormatting(itemContent);
+  const listItemHtml = wrapText(formattedContent, 'li');
+  if (inList) {
+    // Continue existing list
+    return { html: listItemHtml, inList: true };
+  } else {
+    // Start new list
+    return { html: `<ul>${listItemHtml}`, inList: true };
+  }
+  return [null, list];
+}
+function parseParagraph(markdown, list) {
+  if (!list) {
+    return [parseText(markdown, false), false];
+/**
+ * Parses a paragraph line
+ * @param {string} line - The line to parse as paragraph
+ * @param {boolean} inList - Whether we're currently in a list
+ * @returns {Object} Object with html and closesList properties
+ */
+function parseParagraph(line, inList) {
+  const formattedContent = parseInlineFormatting(line);
+  const paragraphHtml = wrapText(formattedContent, 'p');
+  if (inList) {
+    // Close list before starting paragraph
+    return { html: `</ul>${paragraphHtml}`, closesList: false };
   } else {
+    return [`</ul>${parseText(markdown, false)}`, false];
+    // Simple paragraph
+    return { html: paragraphHtml, closesList: false };
+  }
+}
+function parseLine(markdown, list) {
+  let [result, inListAfter] = parseHeader(markdown, list);
+  if (result === null) {
+    [result, inListAfter] = parseLineItem(markdown, list);
+  }
+  if (result === null) {
+    [result, inListAfter] = parseParagraph(markdown, list);
+/**
+ * Parses a single line of markdown
+ * @param {string} line - The line to parse
+ * @param {boolean} inList - Whether we're currently in a list
+ * @returns {Object} Object with html and inList properties
+ */
+function parseLine(line, inList) {
+  // Try to parse as header
+  const headerResult = parseHeader(line);
+  if (headerResult) {
+    const html = inList ? `</ul>${headerResult.html}` : headerResult.html;
+    return { html, inList: false };
+  }
+  if (result === null) {
+    throw new Error('Remove this line and implement the function');
+  // Try to parse as list item
+  const listItemResult = parseListItem(line, inList);
+  if (listItemResult) {
+    return listItemResult;
+  }
+  return [result, inListAfter];
+  // Parse as paragraph (default)
+  const paragraphResult = parseParagraph(line, inList);
+  return { html: paragraphResult.html, inList: false };
+}
 /**
+ * @param {string} markdown
+ * @returns {string}
+ * Parses markdown text and converts it to HTML
+ * @param {string} markdown - The markdown text to parse
+ * @returns {string} The resulting HTML
  */
 export function parse(markdown) {
   const lines = markdown.split('\n');
   let result = '';
+  let list = false;
+  for (let i = 0; i < lines.length; i++) {
+    let [lineResult, newList] = parseLine(lines[i], list);
+    result += lineResult;
+    list = newList;
+  let inList = false;
+  for (const line of lines) {
+    const lineResult = parseLine(line, inList);
+    result += lineResult.html;
+    inList = lineResult.inList;
+  }
+  if (list) {
+    return result + '</ul>';
+  } else {
+    return result;
+  // Close any open list at the end
+  if (inList) {
+    result += '</ul>';
+  }
+  return result;
+}