Do not reload unicode if it did not change

Author: krassowski

jupyter_ydoc/yunicode.py

@@ -63,6 +63,10 @@ def set(self, value: str) -> None:
         :param value: The content of the document.
         :type value: str
         """
+        if self.get() == value:
+            # no-op if the values are already the same,
+            # to avoid side-effects such as cursor jumping to the top
+            return
         with self._ydoc.transaction():
             # clear document
             self._ysource.clear()