♻️ Refactor jsdom register function

src/jsdom.d.ts

@@ -1,4 +1,5 @@
 import { el, assign, on } from "../index.d";
+export * from "../index.d";
 export function register(dom: typeof document): Promise<{
 	el: typeof el,
 	assign: typeof assign,

src/jsdom.js

@@ -1,11 +1,30 @@
-let keys= [];
-export function register(dom){
-	const window= dom.window;
-	if(!keys.length)
-		keys= Object.getOwnPropertyNames(window).filter((k) => !k.startsWith('_') && !(k in globalThis));
-	keys.forEach(key=> globalThis[key]= window[key]);
-	global.document= window.document
-	global.window= window
-	window.console= global.console
+const keys= [ "HTMLElement", "SVGElement", "DocumentFragment", "MutationObserver", "document" ];
+let dom_last;
+export let el;
+export let assign;
+export let on;
+export async function register(dom, keys_aditional= []){
+	if(dom_last===dom)
 		return import("../index.js");
+
+	keys.push(...keys_aditional);
+	const w= dom.window;
+	keys.forEach(key=> globalThis[key]= w[key]);
+	globalThis.window= w;
+	w.console= globalThis.console;
+
+	const m= await import("../index.js");
+	el= m.el;
+	assign= m.assign;
+	on= m.on;
+	return m;
+}
+export function unregister(){
+	if(!dom_last)
+		return false;
+	
+	keys.forEach(key=> Reflect.deleteProperty(globalThis, key));
+	Reflect.deleteProperty(globalThis, "window");
+	dom_last= undefined;
+	return true;
 }