proxyLazy: Fix constructors

src/utils/proxyLazy.ts

@@ -1,5 +1,7 @@
 import { makeLazy } from "./misc";
 
+const ProxyDummy = function () { };
+
 /**
  * Wraps the result of {@see makeLazy} in a Proxy you can consume as if it wasn't lazy.
  * On first property access, the lazy is evaluated
@@ -12,14 +14,15 @@ import { makeLazy } from "./misc";
 export function proxyLazy<T>(factory: () => T): T {
     const lazy = makeLazy(factory);
 
-    return new Proxy(() => null, {
+    return new Proxy(ProxyDummy, {
         get: (_, prop) => lazy()[prop],
         set: (_, prop, value) => lazy()[prop] = value,
         has: (_, prop) => prop in lazy(),
         apply: (_, $this, args) => (lazy() as Function).apply($this, args),
         ownKeys: () => Reflect.ownKeys(lazy() as object),
-        construct: (_, args, newTarget) => Reflect.construct(lazy() as Function, args, newTarget),
+        construct: (_, args) => Reflect.construct(lazy() as Function, args),
         deleteProperty: (_, prop) => delete lazy()[prop],
-        defineProperty: (_, property, attributes) => !!Object.defineProperty(lazy(), property, attributes)
+        defineProperty: (_, property, attributes) => !!Object.defineProperty(lazy(), property, attributes),
+        getPrototypeOf: () => Object.getPrototypeOf(lazy())
     }) as any as T;
 }