Improve

Author: OEvgeny

packages/bundle/src/markdown/createStreamingRenderer.spec.ts

@@ -112,13 +112,14 @@ describe('createStreamingRenderer', () => {
       expect(split![1]).toBe('<p>Second paragraph</p>');
     });
 
-    test('should preserve both paragraphs in textContent', () => {
+    test('should preserve newline between paragraphs in textContent', () => {
       const { container, nextOptions, renderer } = setup();
 
       renderer.next('First\n\nSecond', nextOptions());
 
       expect(container.textContent).toContain('First');
       expect(container.textContent).toContain('Second');
+      expect(container.textContent).toMatch(/First\s+Second/u);
     });
 
     test('should split three paragraphs with two committed and one active', () => {
@@ -133,6 +134,15 @@ describe('createStreamingRenderer', () => {
       expect(split![0]).toContain('Block B');
       expect(split![1]).toBe('<p>Block C</p>');
     });
+
+    test('should preserve newline in textContent for code span followed by paragraph', () => {
+      const { container, nextOptions, renderer } = setup();
+
+      renderer.next('`t=undefined`\n\nA quick', nextOptions());
+
+      // The \n between the two <p> blocks must survive the committed/active split.
+      expect(container.textContent).toMatch(/t=undefined\nA quick/u);
+    });
   });
 
   describe('htmlFlow blocks', () => {

packages/component/src/Utils/serializeDocumentFragmentIntoString.ts

@@ -1,3 +1,3 @@
 export default function serializeDocumentFragmentIntoString(documentFragment: DocumentFragment): string {
-  return new XMLSerializer().serializeToString(documentFragment).trim();
+  return new XMLSerializer().serializeToString(documentFragment);
 }