Nothing works, I dont understand modern javascript

crates/librqbit/webui/node_modules/preact/compat/client.mjs

@@ -0,0 +1,22 @@
+import { render, hydrate, unmountComponentAtNode } from 'preact/compat';
+
+export function createRoot(container) {
+	return {
+		render(children) {
+			render(children, container);
+		},
+		unmount() {
+			unmountComponentAtNode(container);
+		}
+	};
+}
+
+export function hydrateRoot(container, children) {
+	hydrate(children, container);
+	return createRoot(container);
+}
+
+export default {
+	createRoot,
+	hydrateRoot
+};