only mark backend vars as dirty if they have changed (#4494)

2024-12-09 10:00:01 +01:00 · 2024-12-09 10:00:01 +01:00 · 3d89d74bdc
commit 3d89d74bdc
parent a895eaaede
1 changed files with 3 additions and 0 deletions
--- a/reflex/state.py
+++ b/reflex/state.py
@ -1288,6 +1288,9 @@ class BaseState(Base, ABC, extra=pydantic.Extra.allow):
            return

        if name in self.backend_vars:
+            # abort if unchanged
+            if self._backend_vars.get(name) == value:
+                return
            self._backend_vars.__setitem__(name, value)
            self.dirty_vars.add(name)
            self._mark_dirty()