fix(core): update

test/test.both.ts

@@ -10,10 +10,24 @@ tap.test('should create a valid instance of SmartMarkdown', async () => {
 
 tap.test('should convert a markdown string to html', async () => {
   const markdownString = '# Hi!';
-  const htmlString = await smartMarkdownInstance.markdownToHtml(markdownString);
+  const mdParsedResult = await smartMarkdownInstance.getMdParsedResultFromMarkdown(markdownString);
+  const htmlString = mdParsedResult.html;
   expect(htmlString).toEqual('<h1>Hi!</h1>\n');
 });
 
+tap.test('should get frontmatter', async () => {
+  const markdownString = `---
+hello: yes
+---
+
+# hello there
+`;
+  const mdParsedResult = await smartMarkdownInstance.getMdParsedResultFromMarkdown(markdownString);
+  
+  expect(mdParsedResult.frontmatterData.hello).toEqual('yes');
+  
+});
+
 tap.test('should convert a html string to markdown', async () => {
   const htmlString = '<h1 id="hi">Hi!</h1>\n<h2>This is it!</h2>';
   const markdownString = smartMarkdownInstance.htmlToMarkdown(htmlString);