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

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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}>`);
+}
+// Generic parser function for inline formatting
 function parser(markdown, delimiter, tag) {
   const pattern = new RegExp(`${delimiter}(.+)${delimiter}`);
   const replacement = `<${tag}>$1</${tag}>`;
   return markdown.replace(pattern, replacement);
+}
+function parse__(markdown) {
+// Parse bold text (__text__ -> <strong>text</strong>)
+function parseBold(markdown) {
   return parser(markdown, '__', 'strong');
+}
+function parse_(markdown) {
+// Parse italic text (_text_ -> <em>text</em>)
+function parseItalic(markdown) {
   return parser(markdown, '_', 'em');
+}
+function parseText(markdown, list) {
+  const parsedText = parse_(parse__(markdown));
+  if (list) {
+    return parsedText;
+// Parse both bold and italic formatting
+// Note: Order matters - bold is parsed first to avoid conflicts
+function parseTextFormatting(markdown) {
+  return parseItalic(parseBold(markdown));
+}
+// Parse text with or without paragraph wrapper based on list state
+function parseText(markdown, inList) {
+  const formattedText = parseTextFormatting(markdown);
+  if (inList) {
+    // Inside a list, don't wrap in <p> tags
+    return formattedText;
   } else {
+    return wrap(parsedText, 'p');
+    // Outside a list, wrap in <p> tags
+    return wrap(formattedText, 'p');
+  }
+}
+function parseHeader(markdown, list) {
+  let count = 0;
+// Parse header (# Header -> <h1>Header</h1>)
+// Returns [htmlResult, newListState] tuple
+function parseHeader(markdown, inList) {
+  // Count consecutive # characters at start of line
+  let hashCount = 0;
   for (let i = 0; i < markdown.length; i++) {
     if (markdown[i] === '#') {
+      count += 1;
+      hashCount++;
     } else {
       break;
+    }
+  }
+  if (count === 0 || count > 6) {
+    return [null, list];
+  // Headers must have 1-6 # characters
+  if (hashCount === 0 || hashCount > 6) {
+    return [null, inList];
+  }
+  const headerTag = `h${count}`;
+  const headerHtml = wrap(markdown.substring(count + 1), headerTag);
+  if (list) {
+  // Extract header content (everything after "# ")
+  const headerContent = markdown.substring(hashCount + 1);
+  const headerTag = `h${hashCount}`;
+  const headerHtml = wrap(headerContent, headerTag);
+  // If we're in a list, close it before the header
+  if (inList) {
     return [`</ul>${headerHtml}`, false];
   } else {
     return [headerHtml, false];
+  }
+}
+function parseLineItem(markdown, list) {
+// Parse list item (* item -> <li>item</li>)
+// Returns [htmlResult, newListState] tuple
+function parseListItem(markdown, inList) {
+  // Check if line starts with asterisk
   if (markdown.startsWith('*')) {
+    const innerHtml = wrap(parseText(markdown.substring(2), true), 'li');
+    if (list) {
+      return [innerHtml, true];
+    // Extract item content (remove first 2 characters: "* ")
+    // Note: This also removes "*L" from "*List", which is the original behavior
+    const itemContent = markdown.substring(2);
+    const formattedItem = parseText(itemContent, true); // true = in list
+    const listItemHtml = wrap(formattedItem, 'li');
+    if (inList) {
+      // Continue existing list
+      return [listItemHtml, true];
     } else {
+      return [`<ul>${innerHtml}`, true];
+      // Start new list
+      return [`<ul>${listItemHtml}`, true];
+    }
+  }
+  return [null, list];
+  return [null, inList];
+}
+function parseParagraph(markdown, list) {
+  if (!list) {
+    return [parseText(markdown, false), false];
+// Parse paragraph (default case for regular text)
+// Returns [htmlResult, newListState] tuple
+function parseParagraph(markdown, inList) {
+  const paragraphHtml = parseText(markdown, false); // false = not in list
+  // If we're in a list, close it before the paragraph
+  if (inList) {
+    return [`</ul>${paragraphHtml}`, false];
   } else {
+    return [`</ul>${parseText(markdown, false)}`, false];
+    return [paragraphHtml, false];
+  }
+}
+function parseLine(markdown, list) {
+  let [result, inListAfter] = parseHeader(markdown, list);
+// Parse a single line of markdown
+// Returns [htmlResult, newListState] tuple
+function parseLine(markdown, inList) {
+  // Try parsing as header first
+  let [result, newListState] = parseHeader(markdown, inList);
   if (result === null) {
+    [result, inListAfter] = parseLineItem(markdown, list);
+    // Try parsing as list item
+    [result, newListState] = parseListItem(markdown, newListState);
+  }
   if (result === null) {
+    [result, inListAfter] = parseParagraph(markdown, list);
+    // Default to paragraph
+    [result, newListState] = parseParagraph(markdown, newListState);
+  }
+  // This should never happen with valid input
   if (result === null) {
     throw new Error('Remove this line and implement the function');
+  }
+  return [result, inListAfter];
+  return [result, newListState];
+}
 /**
+ * @param {string} markdown
+ * @returns {string}
+ * Parse markdown text and convert it to HTML
+ * @param {string} markdown - The markdown text to parse
+ * @returns {string} - The resulting HTML
  */
 export function parse(markdown) {
+  // Input validation - ensure we have a string
+  if (typeof markdown !== 'string') {
+    throw new Error('Input must be a string');
+  }
   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);
+  let inList = false;
+  // Process each line
+  for (const line of lines) {
+    let [lineResult, newListState] = parseLine(line, inList);
     result += lineResult;
+    list = newList;
+    inList = newListState;
+  }
+  if (list) {
+    return result + '</ul>';
+  } else {
+    return result;
+  // Close any open list at the end of document
+  if (inList) {
+    result += '</ul>';
+  }
+  return result;
+}