💄 no more homemade iteration

src/vs/workbench/services/decorations/browser/decorationsService.ts

@@ -238,7 +238,7 @@ class DecorationProviderWrapper {
 	}
 
 	knowsAbout(uri: URI): boolean {
-		return Boolean(this.data.get(uri)) || Boolean(this.data.findSuperstr(uri));
+		return this.data.has(uri) || Boolean(this.data.findSuperstr(uri));
 	}
 
 	getOrRetrieve(uri: URI, includeChildren: boolean, callback: (data: IDecorationData, isChild: boolean) => void): void {
@@ -259,8 +259,7 @@ class DecorationProviderWrapper {
 			// (resolved) children
 			const iter = this.data.findSuperstr(uri);
 			if (iter) {
-				for (let item = iter.next(); !item.done; item = iter.next()) {
-					const value = item.value?.[1];
+				for (const [, value] of iter) {
 					if (value && !(value instanceof DecorationDataRequest)) {
 						callback(value, true);
 					}