FileStat.isRoot helper method

src/vs/workbench/parts/files/browser/views/explorerViewer.ts

@@ -545,11 +545,11 @@ export class FileSorter implements ISorter {
 		}
 
 		// Do not sort roots
-		if (statA.resource.toString() === statA.root.toString()) {
+		if (statA.isRoot) {
 			return -1;
 		}
 
-		if (statB.resource.toString() === statB.root.toString()) {
+		if (statB.isRoot) {
 			return 1;
 		}
 

src/vs/workbench/parts/files/common/explorerModel.ts

@@ -87,6 +87,10 @@ export class FileStat implements IFileStat {
 		return this.resource.toString();
 	}
 
+	public get isRoot(): boolean {
+		return this.resource.toString() === this.root.toString();
+	}
+
 	public static create(raw: IFileStat, root: URI, resolveTo?: URI[]): FileStat {
 		const stat = new FileStat(raw.resource, root, raw.isDirectory, raw.hasChildren, raw.name, raw.mtime, raw.etag);