From a5397ae5cf308620de6f541761ba53077ca274b1 Mon Sep 17 00:00:00 2001
From: Joe Cheng <joe@rstudio.com>
Date: Fri, 24 Jun 2022 20:49:29 -0700
Subject: [PATCH] Modify moduleapp example to be dynamic

---
 examples/moduleapp/app.py | 34 ++++++++++++++++++++++++++++++++--
 1 file changed, 32 insertions(+), 2 deletions(-)

diff --git a/examples/moduleapp/app.py b/examples/moduleapp/app.py
index f6e83b995..66519889c 100644
--- a/examples/moduleapp/app.py
+++ b/examples/moduleapp/app.py
@@ -30,18 +30,48 @@ def out() -> str:
         return f"Click count is {count()}"
 
 
+# ============================================================
+# Counter Wrapper module -- shows that counter still works
+# the same way when wrapped in a dynamic UI
+# ============================================================
+@module.ui
+def counter_wrapper_ui() -> ui.TagChildArg:
+    return ui.output_ui("dynamic_counter")
+
+
+@module.server
+def counter_wrapper_server(
+    input: Inputs, output: Outputs, session: Session, label: str = "Increment counter"
+):
+    @output()
+    @render.ui()
+    def dynamic_counter():
+        return counter_ui("counter", label)
+
+    counter_server("counter")
+
+
 # =============================================================================
 # App that uses module
 # =============================================================================
 app_ui = ui.page_fluid(
     counter_ui("counter1", "Counter 1"),
-    counter_ui("counter2", "Counter 2"),
+    counter_wrapper_ui("counter2_wrapper"),
+    ui.output_ui("counter3_ui"),
 )
 
 
 def server(input: Inputs, output: Outputs, session: Session):
     counter_server("counter1")
-    counter_server("counter2")
+    counter_wrapper_server("counter2_wrapper", "Counter 2")
+
+    @output()
+    @render.ui()
+    def counter3_ui():
+        counter_server("counter3")
+        return counter_ui("counter3", "Counter 3")
+
+    counter_server("counter")
 
 
 app = App(app_ui, server)