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

lexicon

Pending

Initializing Agent

Running Agent

Initializing Evaluation

Running Evaluation

Passed

+function wrap(text, tag) {
+  return `<${tag}>${text}</${tag}>`;
+}
+/**
+ * Refactored Markdown Parser
+ *
+ * This refactored version maintains the exact same functionality as the original
+ * but with improved readability and maintainability.
+ *
+ * Key improvements:
+ * - Class-based structure for better state management
+ * - Clear separation of concerns with well-named methods
+ * - Elimination of complex array return values
+ * - More explicit control flow
+ * - Better variable names and documentation
+ */
+function isTag(text, tag) {
+  return text.startsWith(`<${tag}>`);
+}
+class MarkdownParser {
+  constructor() {
+    this.inList = false;
+    this.result = '';
+  }
+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 - Text to wrap
+   * @param {string} tag - HTML tag to use
+   * @returns {string} Wrapped HTML
+   */
+  wrap(text, tag) {
+    return `<${tag}>${text}</${tag}>`;
+  }
+function parse__(markdown) {
+  return parser(markdown, '__', 'strong');
+}
+  /**
+   * Parses bold text (double underscores)
+   * @param {string} markdown - Markdown text
+   * @returns {string} HTML with <strong> tags
+   */
+  parseBold(markdown) {
+    const pattern = /__(.+)__/;
+    const replacement = '<strong>$1</strong>';
+    return markdown.replace(pattern, replacement);
+  }
+function parse_(markdown) {
+  return parser(markdown, '_', 'em');
+}
+  /**
+   * Parses italic text (single underscores)
+   * @param {string} markdown - Markdown text
+   * @returns {string} HTML with <em> tags
+   */
+  parseItalic(markdown) {
+    const pattern = /_(.+)_/;
+    const replacement = '<em>$1</em>';
+    return markdown.replace(pattern, replacement);
+  }
+function parseText(markdown, list) {
+  const parsedText = parse_(parse__(markdown));
+  if (list) {
+    return parsedText;
+  } else {
+    return wrap(parsedText, 'p');
+  /**
+   * Parses inline formatting (bold and italic)
+   * @param {string} markdown - Markdown text
+   * @returns {string} HTML with formatting tags
+   */
+  parseInlineFormatting(markdown) {
+    return this.parseItalic(this.parseBold(markdown));
+  }
+}
+function parseHeader(markdown, list) {
+  let count = 0;
+  for (let i = 0; i < markdown.length; i++) {
+    if (markdown[i] === '#') {
+      count += 1;
+    } else {
+      break;
+  /**
+   * Parses header markdown (# ## ### etc.)
+   * @param {string} line - Line of markdown text
+   * @returns {string|null} HTML header or null if not a header
+   */
+  parseHeader(line) {
+    let hashCount = 0;
+    for (let i = 0; i < line.length; i++) {
+      if (line[i] === '#') {
+        hashCount += 1;
+      } else {
+        break;
+      }
+    }
+    // Headers must have 1-6 hash characters
+    if (hashCount === 0 || hashCount > 6) {
+      return null;
+    }
+    const headerTag = `h${hashCount}`;
+    const headerText = line.substring(hashCount + 1);
+    const headerHtml = this.wrap(headerText, headerTag);
+    // Close list if we're transitioning from list to header
+    if (this.inList) {
+      this.inList = false;
+      return `</ul>${headerHtml}`;
+    }
+    return headerHtml;
+  }
+  if (count === 0 || count > 6) {
+    return [null, list];
+  }
+  const headerTag = `h${count}`;
+  const headerHtml = wrap(markdown.substring(count + 1), headerTag);
+  if (list) {
+    return [`</ul>${headerHtml}`, false];
+  } else {
+    return [headerHtml, false];
+  }
+}
+function parseLineItem(markdown, list) {
+  if (markdown.startsWith('*')) {
+    const innerHtml = wrap(parseText(markdown.substring(2), true), 'li');
+    if (list) {
+      return [innerHtml, true];
+  /**
+   * Parses list item markdown (* item)
+   * @param {string} line - Line of markdown text
+   * @returns {string|null} HTML list item or null if not a list item
+   */
+  parseListItem(line) {
+    if (!line.startsWith('* ')) {
+      return null;
+    }
+    const itemText = line.substring(2);
+    const formattedText = this.parseInlineFormatting(itemText);
+    const listItemHtml = this.wrap(formattedText, 'li');
+    if (!this.inList) {
+      // Starting a new list
+      this.inList = true;
+      return `<ul>${listItemHtml}`;
     } else {
+      return [`<ul>${innerHtml}`, true];
+      // Continuing existing list
+      return listItemHtml;
+    }
+  }
+  return [null, list];
+}
+function parseParagraph(markdown, list) {
+  if (!list) {
+    return [parseText(markdown, false), false];
+  } else {
+    return [`</ul>${parseText(markdown, false)}`, false];
+  /**
+   * Parses paragraph markdown (default case)
+   * @param {string} line - Line of markdown text
+   * @returns {string} HTML paragraph
+   */
+  parseParagraph(line) {
+    const formattedText = this.parseInlineFormatting(line);
+    // Close list if we're transitioning from list to paragraph
+    if (this.inList) {
+      this.inList = false;
+      return `</ul>${this.wrap(formattedText, 'p')}`;
+    }
+    return this.wrap(formattedText, 'p');
+  }
+}
+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 - Line of markdown text
+   * @returns {string} HTML output for the line
+   */
+  parseLine(line) {
+    // Try to parse as header
+    const headerResult = this.parseHeader(line);
+    if (headerResult !== null) {
+      return headerResult;
+    }
+    // Try to parse as list item
+    const listItemResult = this.parseListItem(line);
+    if (listItemResult !== null) {
+      return listItemResult;
+    }
+    // Default to paragraph
+    return this.parseParagraph(line);
+  }
+  if (result === null) {
+    throw new Error('Remove this line and implement the function');
+  /**
+   * Parses complete markdown text
+   * @param {string} markdown - Complete markdown text
+   * @returns {string} Complete HTML output
+   */
+  parse(markdown) {
+    this.inList = false;
+    this.result = '';
+    const lines = markdown.split('\n');
+    for (const line of lines) {
+      this.result += this.parseLine(line);
+    }
+    // Close any open list at the end
+    if (this.inList) {
+      this.result += '</ul>';
+    }
+    return this.result;
+  }
+  return [result, inListAfter];
+}
 /**
+ * @param {string} markdown
+ * @returns {string}
+ * Parses markdown text and returns HTML
+ * @param {string} markdown - Markdown text to parse
+ * @returns {string} HTML output
  */
 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;
+  }
+  if (list) {
+    return result + '</ul>';
+  } else {
+    return result;
+  }
+  const parser = new MarkdownParser();
+  return parser.parse(markdown);
+}