fix: Fix 1703 Options selectize not working in modules

CHANGELOG.md

@@ -41,6 +41,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Bug fixes
 
+* Fixed missing selectize options when using a module and specifying `options`. (#1703)
+
 * Fixed an issue with `update_selectize()` to properly display labels with HTML reserved characters like "&" (#1330)
 
 * Fixed an issue with `ui.Chat()` sometimes wanting to scroll a parent element. (#1996)

shiny/ui/_input_update.py

@@ -728,15 +728,13 @@ def update_selectize(
         )
 
     if options is not None:
-        cfg = TagList(
-            tags.script(
-                json.dumps(options),
-                type="application/json",
-                data_for=id,
-                data_eval=json.dumps(extract_js_keys(options)),
-            )
+        cfg = tags.script(
+            json.dumps(options),
+            type="application/json",
+            data_for=resolve_id(id),
+            data_eval=json.dumps(extract_js_keys(options)),
         )
-        session.send_input_message(id, drop_none({"config": cfg.get_html_string()}))
+        session.send_input_message(id, {"config": cfg.get_html_string()})
 
     # Transform choices to a list of dicts (this is the form the client wants)
     # [{"label": "Foo", "value": "foo", "optgroup": "foo"}, ...]

tests/playwright/shiny/components/selectize/app.py

@@ -0,0 +1,30 @@
+from shiny import App, Inputs, Outputs, Session, module, reactive, ui
+
+
+@module.ui
+def reprex_selectize_ui():
+    return ui.input_selectize("x", "Server side selectize", choices=[], multiple=True)
+
+
+@module.server
+def reprex_selectize_server(
+    input: Inputs, output: Outputs, session: Session, starting_value: int = 0
+):
+    @reactive.effect
+    def _():
+        ui.update_selectize(
+            "x",
+            choices=[f"Foo {i}" for i in range(3)],
+            server=False,
+            options={"placeholder": "Search"},
+        )
+
+
+app_ui = ui.page_fluid(reprex_selectize_ui("reprex_selectize"))
+
+
+def server(input: Inputs, output: Outputs, session: Session):
+    reprex_selectize_server("reprex_selectize")
+
+
+app = App(app_ui, server, debug=True)

tests/playwright/shiny/components/selectize/test_selectize.py

@@ -0,0 +1,15 @@
+# import pytest
+from playwright.sync_api import Page
+
+from shiny.playwright import controller
+from shiny.run import ShinyAppProc
+
+
+def test_selectize(page: Page, local_app: ShinyAppProc) -> None:
+    page.goto(local_app.url)
+
+    selectize_menu = controller.InputSelectize(page, "reprex_selectize-x")
+    selectize_menu.expect_choices(["Foo 0", "Foo 1", "Foo 2"])
+    selectize_menu.expect_multiple(True)
+    selectize_menu.set(["Foo 0", "Foo 1"])
+    selectize_menu.expect_selected(["Foo 0", "Foo 1"])