Register disposables in importTracker.ts (#14894)

Author: joyceerhl

src/client/telemetry/importTracker.ts

@@ -11,6 +11,7 @@ import { IExtensionSingleActivationService } from '../activation/types';
 import { IDocumentManager } from '../common/application/types';
 import { isTestExecution } from '../common/constants';
 import '../common/extensions';
+import { IDisposableRegistry } from '../common/types';
 import { noop } from '../common/utils/misc';
 import { EventName } from './constants';
 
@@ -49,9 +50,12 @@ export class ImportTracker implements IExtensionSingleActivationService {
     // tslint:disable-next-line:no-require-imports
     private hashFn = require('hash.js').sha256;
 
-    constructor(@inject(IDocumentManager) private documentManager: IDocumentManager) {
-        this.documentManager.onDidOpenTextDocument((t) => this.onOpenedOrSavedDocument(t));
-        this.documentManager.onDidSaveTextDocument((t) => this.onOpenedOrSavedDocument(t));
+    constructor(
+        @inject(IDocumentManager) private documentManager: IDocumentManager,
+        @inject(IDisposableRegistry) private disposables: IDisposableRegistry
+    ) {
+        this.documentManager.onDidOpenTextDocument((t) => this.onOpenedOrSavedDocument(t), this, this.disposables);
+        this.documentManager.onDidSaveTextDocument((t) => this.onOpenedOrSavedDocument(t), this, this.disposables);
     }
 
     public dispose() {