Generates typedef redirection files for openfl-bitfive

Main.hx

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

class Main {
	static function remap(from:String, to:String, pkg:String = "") {
		for (file in FileSystem.readDirectory(from)) {
			if (FileSystem.isDirectory('$from/$file')) {
				if (!FileSystem.exists('$to/$file')) {
					FileSystem.createDirectory('$to/$file');
				}
				remap('$from/$file', '$to/$file', '$pkg.$file');
			} else {
				var dot = file.lastIndexOf(".");
				if (dot < 0 || file.substr(dot) != ".hx") continue;
				var name = file.substr(0, dot);
				trace('openfl$pkg.$name');
				File.saveContent('$to/$file', [
				'/// Redirects `openfl$pkg.$name` to `flash$pkg.$name` (OpenFL2 feature)',
				'package openfl$pkg;',
				'#if js',
				'typedef $name = flash$pkg.$name;',
				'#end',
				''].join("\n"));
			}
		}
	}
	static function main() remap(
		"C:/haxe/lib/openfl-bitfive/1.5.0/flash",
		"C:/haxe/lib/openfl-bitfive/1.5.0/openfl");
}