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

relax

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Initializing Evaluation

Running Evaluation

Passed

+// Helper function to wrap text in HTML tags
 function wrap(text, tag) {
   return `<${tag}>${text}</${tag}>`;
+}
+function isTag(text, tag) {
+  return text.startsWith(`<${tag}>`);
+// Helper function to parse inline formatting (__ for strong, _ for emphasis)
+function parseInlineFormatting(text) {
+  // Parse bold text (__text__ -> <strong>text</strong>)
+  // Use non-greedy matching to handle multiple instances correctly
+  text = text.replace(/__(.+?)__/g, '<strong>$1</strong>');
+  // Parse italic text (_text_ -> <em>text</em>)
+  // Use non-greedy matching to handle multiple instances correctly
+  text = text.replace(/_(.+?)_/g, '<em>$1</em>');
+  return text;
+}
+function parser(markdown, delimiter, tag) {
+  const pattern = new RegExp(`${delimiter}(.+)${delimiter}`);
+  const replacement = `<${tag}>$1</${tag}>`;
+  return markdown.replace(pattern, replacement);
+}
+function parse__(markdown) {
+  return parser(markdown, '__', 'strong');
+}
+function parse_(markdown) {
+  return parser(markdown, '_', 'em');
+}
+function parseText(markdown, list) {
+  const parsedText = parse_(parse__(markdown));
+  if (list) {
+    return parsedText;
+  } else {
+    return wrap(parsedText, 'p');
+  }
+}
+function parseHeader(markdown, list) {
+// Parse header elements (# Header -> <h1>Header</h1>)
+function parseHeader(line) {
   let count = 0;
+  for (let i = 0; i < markdown.length; i++) {
+    if (markdown[i] === '#') {
+  // Count consecutive # characters at the start of the line
+  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;
+  }
+  // Extract header content (skip # characters and the following space)
+  const headerContent = line.substring(count + 1);
   const headerTag = `h${count}`;
+  const headerHtml = wrap(markdown.substring(count + 1), headerTag);
+  if (list) {
+    return [`</ul>${headerHtml}`, false];
+  } else {
+    return [headerHtml, false];
+  }
+  return wrap(parseInlineFormatting(headerContent), headerTag);
+}
+function parseLineItem(markdown, list) {
+  if (markdown.startsWith('*')) {
+    const innerHtml = wrap(parseText(markdown.substring(2), true), 'li');
+    if (list) {
+      return [innerHtml, true];
+    } else {
+      return [`<ul>${innerHtml}`, true];
+    }
+// Parse list items (* item -> <li>item</li>)
+function parseListItem(line) {
+  if (line.startsWith('*')) {
+    // Extract list item content (skip "* " prefix)
+    const itemContent = line.substring(2);
+    return wrap(parseInlineFormatting(itemContent), 'li');
+  }
+  return [null, list];
+  return null;
+}
+function parseParagraph(markdown, list) {
+  if (!list) {
+    return [parseText(markdown, false), false];
+  } else {
+    return [`</ul>${parseText(markdown, false)}`, false];
+  }
+// Parse paragraph text
+function parseParagraph(line) {
+  return wrap(parseInlineFormatting(line), 'p');
+}
+function parseLine(markdown, list) {
+  let [result, inListAfter] = parseHeader(markdown, list);
+  if (result === null) {
+    [result, inListAfter] = parseLineItem(markdown, list);
+// Parse a single line of markdown
+function parseLine(line) {
+  // Handle empty lines
+  if (line.trim() === '') {
+    return { type: 'empty', content: '' };
+  }
+  if (result === null) {
+    [result, inListAfter] = parseParagraph(markdown, list);
+  // Try to parse as header
+  const headerResult = parseHeader(line);
+  if (headerResult !== null) {
+    return { type: 'header', content: headerResult };
+  }
+  if (result === null) {
+    throw new Error('Remove this line and implement the function');
+  // Try to parse as list item
+  const listItemResult = parseListItem(line);
+  if (listItemResult !== null) {
+    return { type: 'listItem', content: listItemResult };
+  }
+  return [result, inListAfter];
+  // Default to paragraph
+  return { type: 'paragraph', content: parseParagraph(line) };
+}
 /**
+ * @param {string} markdown
+ * @returns {string}
+ * Parse markdown text and convert it to HTML
+ * Supports:
+ * - Headers (# Header 1, ## Header 2, etc.)
+ * - Bold text (__bold__)
+ * - Italic text (_italic_)
+ * - Unordered lists (* item)
+ *
+ * @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;
+  let html = '';
+  let inList = false;
   for (let i = 0; i < lines.length; i++) {
+    let [lineResult, newList] = parseLine(lines[i], list);
+    result += lineResult;
+    list = newList;
+    const line = lines[i];
+    const parsed = parseLine(line);
+    // Handle empty lines
+    if (parsed.type === 'empty') {
+      // Close any open list
+      if (inList) {
+        html += '</ul>';
+        inList = false;
+      }
+      // Skip empty lines (don't generate empty paragraphs)
+      continue;
+    }
+    // Handle list opening and closing
+    if (parsed.type === 'listItem' && !inList) {
+      // Start a new list
+      html += '<ul>' + parsed.content;
+      inList = true;
+    } else if (parsed.type === 'listItem' && inList) {
+      // Continue existing list
+      html += parsed.content;
+    } else if (parsed.type !== 'listItem' && inList) {
+      // Close list before non-list element
+      html += '</ul>' + parsed.content;
+      inList = false;
+    } else {
+      // Handle non-list elements
+      html += parsed.content;
+      inList = false;
+    }
+  }
+  if (list) {
+    return result + '</ul>';
+  } else {
+    return result;
+  // Close any open list at the end
+  if (inList) {
+    html += '</ul>';
+  }
+  return html;
+}