From 9699faf44fb109ea8820e0a58fc6d3a30ebf529a Mon Sep 17 00:00:00 2001
From: Kedar Dabhadkar <kedar.dabhadkar@gmail.com>
Date: Fri, 15 Dec 2023 19:18:36 -0500
Subject: [PATCH] Fix: No input argument makes the app unresponsive

---
 fast_dash/Components.py |  6 ++++--
 fast_dash/fast_dash.py  | 25 +++++++++++++++----------
 2 files changed, 19 insertions(+), 12 deletions(-)

diff --git a/fast_dash/Components.py b/fast_dash/Components.py
index ad7f216..7d8fd6f 100644
--- a/fast_dash/Components.py
+++ b/fast_dash/Components.py
@@ -266,6 +266,7 @@ def generate_layout(self):
 
         layout = dbc.Container(
             [
+                html.Div(id="dummy-div", style={"display": "none"}),
                 self.generate_navbar_container(),
                 self.generate_header_component(),
                 dbc.Row(
@@ -640,6 +641,7 @@ def generate_layout(self):
         layout = dmc.MantineProvider(
             dmc.NotificationsProvider(
                 [
+                    html.Div(id="dummy-div", style={"display": "none"}),
                     dbc.Container(
                         [
                             self.generate_navbar_container(),
@@ -672,10 +674,10 @@ def generate_layout(self):
     def callbacks(self, app):
         @app.app.callback(
             [Output("input-group", "style"), Output("sidebar-button", "opened")],
-            [Input("sidebar-button", "opened"), Input("submit_inputs", "n_clicks")],
+            [Input("sidebar-button", "opened")],
             [State("input-group", "style")],
         )
-        def toggle_sidebar(opened, submit_clicks, input_style):
+        def toggle_sidebar(opened, input_style):
             user_agent = request.headers.get("User-Agent")
             input_style = {} if input_style is None else input_style
 
diff --git a/fast_dash/fast_dash.py b/fast_dash/fast_dash.py
index ca15956..8ee4b3d 100644
--- a/fast_dash/fast_dash.py
+++ b/fast_dash/fast_dash.py
@@ -26,7 +26,7 @@
     theme_mapper,
     _infer_variable_names,
     _parse_docstring_as_markdown,
-    _get_error_notification_component
+    _get_error_notification_component,
 )
 
 
@@ -178,7 +178,9 @@ def __init__(
         self.subtitle = (
             subheader
             if subheader is not None
-            else _parse_docstring_as_markdown(callback_fn, title=self.title, get_short=True)
+            else _parse_docstring_as_markdown(
+                callback_fn, title=self.title, get_short=True
+            )
         )
         self.github_url = github_url
         self.linkedin_url = linkedin_url
@@ -253,9 +255,7 @@ def __init__(
         self.server = self.app.server
 
     def run(self):
-        self.app.run(
-            **self.run_kwargs
-        ) if self.mode is None else self.app.run_server(
+        self.app.run(**self.run_kwargs) if self.mode is None else self.app.run_server(
             jupyter_mode=self.mode, **self.run_kwargs
         )
 
@@ -323,7 +323,10 @@ def register_callback_fn(self):
             prevent_initial_callback=True,
         )
         def process_input(*args):
-            if ctx.triggered_id not in ["submit_inputs", "reset_inputs"]:
+            if (
+                ctx.triggered_id not in ["submit_inputs", "reset_inputs"]
+                and self.update_live is False
+            ):
                 raise PreventUpdate
 
             default_notification = None
@@ -377,20 +380,22 @@ def process_input(*args):
                     component_property=input_.ack.component_property,
                 )
                 for input_ in self.inputs_with_ids
-            ],
+            ]
+            + [Output("dummy-div", "children")],
             [
                 Input(
                     component_id=input_.id, component_property=input_.component_property
                 )
                 for input_ in self.inputs_with_ids
-            ],
+            ]
+            + [Input("dummy-div", "children")],
         )
         def process_ack_outputs(*args):
             ack_components = [
                 ack if mask is True else None
-                for mask, ack in zip(self.ack_mask, list(args))
+                for mask, ack in zip(self.ack_mask, list(args)[:-1])
             ]
-            return ack_components
+            return ack_components + [[]]
 
         # Set layout callbacks
         if not self.minimal: