Use createInstance on service hungry objects

src/browser/MouseZoneManager.ts

@@ -35,9 +35,9 @@ export class MouseZoneManager extends Disposable implements IMouseZoneManager {
   constructor(
     private readonly _element: HTMLElement,
     private readonly _screenElement: HTMLElement,
-    private readonly _bufferService: IBufferService,
-    private readonly _mouseService: IMouseService,
-    private readonly _selectionService: ISelectionService
+    @IBufferService private readonly _bufferService: IBufferService,
+    @IMouseService private readonly _mouseService: IMouseService,
+    @ISelectionService private readonly _selectionService: ISelectionService
   ) {
     super();
 

src/browser/Viewport.ts

@@ -36,9 +36,9 @@ export class Viewport extends Disposable implements IViewport {
     private readonly _scrollLines: (amount: number, suppressEvent: boolean) => void,
     private readonly _viewportElement: HTMLElement,
     private readonly _scrollArea: HTMLElement,
-    private readonly _bufferService: IBufferService,
-    private readonly _charSizeService: ICharSizeService,
-    private readonly _renderService: IRenderService
+    @IBufferService private readonly _bufferService: IBufferService,
+    @ICharSizeService private readonly _charSizeService: ICharSizeService,
+    @IRenderService private readonly _renderService: IRenderService
   ) {
     super();
 

src/browser/input/CompositionHelper.ts

@@ -37,10 +37,10 @@ export class CompositionHelper {
   constructor(
     private readonly _textarea: HTMLTextAreaElement,
     private readonly _compositionView: HTMLElement,
-    private readonly _bufferService: IBufferService,
-    private readonly _optionsService: IOptionsService,
-    private readonly _charSizeService: ICharSizeService,
-    private readonly _coreService: ICoreService
+    @IBufferService private readonly _bufferService: IBufferService,
+    @IOptionsService private readonly _optionsService: IOptionsService,
+    @ICharSizeService private readonly _charSizeService: ICharSizeService,
+    @ICoreService private readonly _coreService: ICoreService
   ) {
     this._isComposing = false;
     this._isSendingComposition = false;