define enum ClientAreaOption

src/ClientAreaOption.ts

@@ -0,0 +1,10 @@
+enum ClientAreaOption {
+    PlacementArea,
+    MovementArea,
+    MaximizeArea,
+    MaximizeFullArea,
+    FullScreenArea,
+    WorkArea,
+    FullArea,
+    ScreenArea,
+}

src/extern/kwin.d.ts

@@ -5,9 +5,6 @@ declare const KWin: {
 };
 
 declare const workspace: {
-    // Enums
-    PlacementArea: ClientAreaOption;
-
     // Read-write Properties
     activeClient: AbstractClient;
     desktops: number;
@@ -29,7 +26,6 @@ declare const workspace: {
     clientList(): TopLevel[];
 };
 
-type ClientAreaOption = any;
 type Tile = any;
 
 interface AbstractClient {

src/layout/Desktop.ts

@@ -29,7 +29,7 @@ class Desktop {
     }
 
     private static getClientArea(desktopNumber: number) {
-        return workspace.clientArea(workspace.PlacementArea, 0, desktopNumber);
+        return workspace.clientArea(ClientAreaOption.PlacementArea, 0, desktopNumber);
     }
 
     private static getTilingArea(clientArea: QRect, config: Desktop.Config) {