Print file tree

PrintFileTree.hx

import haxe.io.Path;
import sys.FileSystem;

function main()
    printFileTree(getFileTree("cwd", "relPath")); // change arguments

typedef FileOrDir = {name:String, children:Array<FileOrDir>};

function getFileTree(cwd:String, relPath:String):FileOrDir {
    final path = Path.join([cwd, relPath]);
    final children = if (!FileSystem.isDirectory(path)) [] else {
        FileSystem.readDirectory(path).map(getFileTree.bind(path));
    };
    return {name: relPath, children: children};
}

function printFileTree(fileOrDir:FileOrDir, depth:Int = 0) {
    final indent = [for (_ in 0...depth) "\t"].join("");
    Sys.println('${indent}${fileOrDir.name}');
    for (child in fileOrDir.children) printFileTree(child, depth + 1);
}