Update rangeMap.ts

src/vs/base/browser/ui/list/rangeMap.ts

@@ -113,11 +113,11 @@ export class RangeMap {
 	get count(): number {
 		const len = this.groups.length;
 
-		if (len) {
-			return this.groups[len - 1].range.end;
+		if (!len) {
+			return 0;
 		}
 
-		return 0;
+		return this.groups[len - 1].range.end;
 	}
 
 	/**
@@ -190,4 +190,4 @@ export class RangeMap {
 	dispose() {
 		this.groups = null!; // StrictNullOverride: nulling out ok in dispose
 	}
-}
\ No newline at end of file
+}