Fix: The folder name is properly displayed at root when calling prettyPrint(".") (instead of "./")

Author: ComputerDaddyGuy

CHANGELOG.md

@@ -16,6 +16,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Line extension: empty string is permitted
 - Filtering: split into distinct directories and files filters
 
+### Fixed
+- The folder name is properly displayed at root when calling `prettyPrint(".")` (instead of "./")
+
 ---
 ## [0.0.4] - 2025-09-27
 

src/main/java/io/github/computerdaddyguy/jfiletreeprettyprinter/DefaultFileTreePrettyPrinter.java

@@ -19,7 +19,9 @@ public DefaultFileTreePrettyPrinter(PathToTreeScanner scanner, TreeEntryRenderer
 
 	@Override
 	public String prettyPrint(Path path) {
-		var tree = scanner.scan(path);
+		Objects.requireNonNull(path, "path cannot be null");
+		var cleanedPath = path.normalize().toAbsolutePath(); // required to avoid "./" at root when calling prettyPrint(".")
+		var tree = scanner.scan(cleanedPath);
 		return renderer.renderTree(tree);
 	}