TODO: new callback onclick test

Author: b-yogesh

chartlets.js/src/lib/hooks.ts

@@ -86,15 +86,13 @@ export function useSignalListeners(
   }, [chart]);
 
   const handleClickSignal = useCallback(
-    // eslint-disable-next-line @typescript-eslint/ban-ts-comment
-    // @ts-expect-error
-    (signalName: string, value: unknown) => {
+    (signalName: string, signalValue: unknown) => {
       if (id) {
         return onChange({
           componentType: "Plot",
           id: id,
-          property: "points",
-          value: value,
+          property: signalName,
+          value: signalValue,
         });
       }
     },

chartlets.py/my_extension/my_panel_1.py

@@ -60,7 +60,7 @@ def make_figure(ctx: Context, selected_dataset: int = 0) -> alt.Chart:
     # Create another parameter to handle the click events and send the data as
     # specified in the fields
     click_param = alt.selection_point(
-        on="click", name="onClick", fields=["x", variable_name]
+        on="click", name="points", fields=["x", variable_name]
     )
     # Create a chart type using mark_* where * could be any kind of chart
     # supported by Vega. We can add properties and parameters as shown below.
@@ -81,3 +81,13 @@ def make_figure(ctx: Context, selected_dataset: int = 0) -> alt.Chart:
     )
 
     return chart
+
+
+# # TODO: see if we can get the value of the clicked points from the click params above
+# @panel.callback(
+#     Input("selected_dataset"),
+#     Output("plot", "chart"),
+# )
+# def test_callback(
+#     self,
+# ): ...