fix: enable client parser to retain carriage return characters

src/client/domparser.ts

@@ -109,13 +109,29 @@
   };
 }
 
+/**
+ * Escapes special characters before parsing.
+ *
+ * @param html - The HTML string.
+ * @returns - HTML string with escaped special characters.
+ */
+function escapeSpecialCharacters(html: string): string {
+  return html.replace(/[\r]/g, (match) => {
+    if (match === '\r') return '\\r';
+    return match;
+  });
+}
+
 /**
  * Parses HTML string to DOM nodes.
  *
  * @param html - HTML markup.
  * @returns - DOM nodes.
  */
 export default function domparser(html: string): NodeList {
+  // Escape special characters before parsing
+  html = escapeSpecialCharacters(html);
+
   const match = html.match(FIRST_TAG_REGEX);
   const firstTagName = match && match[1] ? match[1].toLowerCase() : '';
 

src/client/utilities.ts

@@ -51,6 +51,16 @@ function formatTagName(tagName: string): string {
   return tagName;
 }
 
+/**
+ * Reverts escaped special characters back to actual characters.
+ *
+ * @param text - The text with escaped characters.
+ * @returns - Text with escaped characters reverted.
+ */
+function revertEscapedCharacters(text: string): string {
+  return text.replace(/\\r/g, '\r');
+}
+
 /**
  * Transforms DOM nodes to `domhandler` nodes.
  *
@@ -95,7 +105,7 @@ export function formatDOM(
       }
 
       case 3:
-        current = new Text(node.nodeValue!);
+        current = new Text(revertEscapedCharacters(node.nodeValue!));
         break;
 
       case 8: