refactor(types): use stricter settings

fix #847

packages/runtime-dom/src/index.ts

@@ -40,7 +40,7 @@ function ensureHydrationRenderer() {
 // use explicit type casts here to avoid import() calls in rolled-up d.ts
 export const render = ((...args) => {
   ensureRenderer().render(...args)
-}) as RootRenderFunction<Node, Element>
+}) as RootRenderFunction<Element>
 
 export const hydrate = ((...args) => {
   ensureHydrationRenderer().hydrate(...args)