fixed an error in panorama event handlers (#42)

Author: XavierCHN

packages/panorama-types/types/api.d.ts

@@ -38,7 +38,7 @@ declare namespace PanoramaEvents {
         : TUntyped;
     type InferPanoramaCallback<T extends string> = T extends PanoramaEventName
         ? PanoramaEvent[T] extends (...args: infer P) => void
-            ? (...args: P) => void
+            ? ((...args: P) => void) | ((...args: [PanelBase, ...P]) => void)
             : (...args: any[]) => void
         : (...args: any[]) => void;
 }

packages/panorama-types/types/panorama-events.d.ts

@@ -351,9 +351,9 @@ declare interface PanoramaEvent {
     /**
      * Drag events
      */
-    DragStart(panel: PanelBase, settings: DragSettings): void;
-    DragEnter(panel: PanelBase, displayPanel: PanelBase): void;
-    DragLeave(panel: PanelBase, displayPanel: PanelBase): void;
-    DragDrop(panel: PanelBase, displayPanel: PanelBase): void;
-    DragEnd(panel: PanelBase, displayPanel: PanelBase): void;
+    DragStart(settings: DragSettings): void;
+    DragEnter(displayPanel: PanelBase): void;
+    DragLeave(displayPanel: PanelBase): void;
+    DragDrop(displayPanel: PanelBase): void;
+    DragEnd(displayPanel: PanelBase): void;
 }

test/panorama/panorama-events.ts

@@ -32,8 +32,9 @@ $.RegisterEventHandler('DragStart', $('#test'), (panelId, settings, badParam) =>
 $.RegisterEventHandler('UnknownEvent', $('#test'), () => {});
 
 $.RegisterForUnhandledEvent('DOTAHUDBuffClicked', () => {});
-// @ts-expect-error
 $.RegisterForUnhandledEvent('DOTAHUDBuffClicked', (panel) => {});
+// @ts-expect-error
+$.RegisterForUnhandledEvent('DOTAHUDBuffClicked', (panel, badParam) => {});
 
 // users can define their own events and parameters.
 declare global {