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

sn62

Pending

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Running Evaluation

Passed

+function wrap(text, tag) {
+// Helper function to wrap text in HTML tags
+function wrapTextInTag(text, tag) {
   return `<${tag}>${text}</${tag}>`;
+}
+function isTag(text, tag) {
+// Helper function to check if text starts with a specific HTML tag
+function startsWithTag(text, tag) {
   return text.startsWith(`<${tag}>`);
+}
+function parser(markdown, delimiter, tag) {
+  const pattern = new RegExp(`${delimiter}(.+)${delimiter}`);
+  const replacement = `<${tag}>$1</${tag}>`;
+// Generic parser for inline markdown elements (bold, italic, etc.)
+function parseInlineMarkdown(markdown, delimiter, htmlTag) {
+  const pattern = new RegExp(`${delimiter}(.+?)${delimiter}`);
+  const replacement = `<${htmlTag}>$1</${htmlTag}>`;
   return markdown.replace(pattern, replacement);
+}
+function parse__(markdown) {
+  return parser(markdown, '__', 'strong');
+// Parse bold text (using __ delimiter)
+function parseBoldText(markdown) {
+  return parseInlineMarkdown(markdown, '__', 'strong');
+}
+function parse_(markdown) {
+  return parser(markdown, '_', 'em');
+// Parse italic text (using _ delimiter)
+function parseItalicText(markdown) {
+  return parseInlineMarkdown(markdown, '_', 'em');
+}
+function parseText(markdown, list) {
+  const parsedText = parse_(parse__(markdown));
+  if (list) {
+    return parsedText;
+  } else {
+    return wrap(parsedText, 'p');
+  }
+// Parse inline formatting (bold and italic) within text
+function parseInlineFormatting(markdown) {
+  // Parse bold first, then italic to avoid conflicts
+  return parseItalicText(parseBoldText(markdown));
+}
+function parseHeader(markdown, list) {
+  let count = 0;
+// Parse text content with inline formatting, optionally wrapping in paragraph tags
+function parseTextContent(markdown, skipParagraphWrap = false) {
+  const parsedText = parseInlineFormatting(markdown);
+  return skipParagraphWrap ? parsedText : wrapTextInTag(parsedText, 'p');
+}
+// Parse header markdown (#, ##, ###, etc.) and convert to HTML headers (h1, h2, h3, etc.)
+function parseHeader(markdown, currentlyInList) {
+  // Count consecutive # characters at the beginning of the line
+  let headerLevel = 0;
   for (let i = 0; i < markdown.length; i++) {
     if (markdown[i] === '#') {
+      count += 1;
+      headerLevel += 1;
     } else {
       break;
+    }
+  }
+  if (count === 0 || count > 6) {
+    return [null, list];
+  // Valid headers have 1-6 # characters
+  if (headerLevel === 0 || headerLevel > 6) {
+    return [null, currentlyInList];
+  }
+  const headerTag = `h${count}`;
+  const headerHtml = wrap(markdown.substring(count + 1), headerTag);
+  if (list) {
+  // Extract header content (text after the # characters and space)
+  const headerContent = markdown.substring(headerLevel + 1);
+  const headerTag = `h${headerLevel}`;
+  const headerHtml = wrapTextInTag(headerContent, headerTag);
+  // If we were in a list, close the list before starting the header
+  if (currentlyInList) {
     return [`</ul>${headerHtml}`, false];
   } else {
     return [headerHtml, false];
+  }
+}
+function parseLineItem(markdown, list) {
+  if (markdown.startsWith('*')) {
+    const innerHtml = wrap(parseText(markdown.substring(2), true), 'li');
+    if (list) {
+      return [innerHtml, true];
+    } else {
+      return [`<ul>${innerHtml}`, true];
+    }
+// Parse list items (starting with *) and handle list container logic
+function parseListItem(markdown, currentlyInList) {
+  if (!markdown.startsWith('*')) {
+    return [null, currentlyInList];
+  }
+  // Extract list item content (text after '* ')
+  const listItemContent = markdown.substring(2);
+  // Parse inline formatting within the list item, but don't wrap in paragraph tags
+  const parsedListItemContent = parseTextContent(listItemContent, true);
+  const listItemHtml = wrapTextInTag(parsedListItemContent, 'li');
+  if (currentlyInList) {
+    // Already in a list, just add the list item
+    return [listItemHtml, true];
+  } else {
+    // Not in a list, start a new list container
+    return [`<ul>${listItemHtml}`, true];
+  }
+  return [null, list];
+}
+function parseParagraph(markdown, list) {
+  if (!list) {
+    return [parseText(markdown, false), false];
+// Parse regular paragraphs (non-header, non-list content)
+function parseParagraph(markdown, currentlyInList) {
+  const paragraphHtml = parseTextContent(markdown, false);
+  if (currentlyInList) {
+    // Close the list before starting the paragraph
+    return [`</ul>${paragraphHtml}`, false];
   } else {
+    return [`</ul>${parseText(markdown, false)}`, false];
+    // Just return the paragraph
+    return [paragraphHtml, false];
+  }
+}
+function parseLine(markdown, list) {
+  let [result, inListAfter] = parseHeader(markdown, list);
+  if (result === null) {
+    [result, inListAfter] = parseLineItem(markdown, list);
+// Parse a single line of markdown, determining what type of element it is
+// Returns [htmlResult, stillInList] tuple
+function parseLine(markdown, currentlyInList) {
+  // Try to parse as header first (highest priority)
+  let [htmlResult, inListAfter] = parseHeader(markdown, currentlyInList);
+  // If not a header, try to parse as list item
+  if (htmlResult === null) {
+    [htmlResult, inListAfter] = parseListItem(markdown, currentlyInList);
+  }
+  if (result === null) {
+    [result, inListAfter] = parseParagraph(markdown, list);
+  // If not a list item, parse as paragraph (fallback)
+  if (htmlResult === null) {
+    [htmlResult, inListAfter] = parseParagraph(markdown, currentlyInList);
+  }
+  if (result === null) {
+    throw new Error('Remove this line and implement the function');
+  // This should never happen as paragraph parsing always succeeds
+  if (htmlResult === null) {
+    throw new Error('Failed to parse markdown line');
+  }
+  return [result, inListAfter];
+  return [htmlResult, inListAfter];
+}
 /**
+ * @param {string} markdown
+ * @returns {string}
+ * Main markdown parser function
+ * @param {string} markdown - The markdown string to parse
+ * @returns {string} - The equivalent HTML string
  */
 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 htmlResult = '';
+  let currentlyInList = false;
+  // Process each line of the markdown
+  for (const line of lines) {
+    const [lineHtml, stillInList] = parseLine(line, currentlyInList);
+    htmlResult += lineHtml;
+    currentlyInList = stillInList;
+  }
+  if (list) {
+    return result + '</ul>';
+  } else {
+    return result;
+  // If we ended while still in a list, close it
+  if (currentlyInList) {
+    htmlResult += '</ul>';
+  }
+  return htmlResult;
+}