Try to make SimpleDebounce disposable

Author: anthonykim1

src/common/utils/debounce.ts

@@ -1,11 +1,20 @@
-export interface SimpleDebounce {
+import { Disposable } from 'vscode';
+
+export interface SimpleDebounce extends Disposable {
     trigger(): void;
 }
 
-class SimpleDebounceImpl {
+class SimpleDebounceImpl extends Disposable {
     private timeout: NodeJS.Timeout | undefined;
 
-    constructor(private readonly ms: number, private readonly callback: () => void) {}
+    constructor(private readonly ms: number, private readonly callback: () => void) {
+        super(() => {
+            if (this.timeout) {
+                clearTimeout(this.timeout);
+                this.timeout = undefined;
+            }
+        });
+    }
 
     public trigger() {
         if (this.timeout) {
@@ -15,6 +24,12 @@ class SimpleDebounceImpl {
             this.callback();
         }, this.ms);
     }
+
+    public dispose() {
+        if (this.timeout) {
+            clearTimeout(this.timeout);
+        }
+    }
 }
 
 export function createSimpleDebounce(ms: number, callback: () => void): SimpleDebounce {