YUes I am god

src/client/shared/realm.ts

@@ -0,0 +1,26 @@
+import { ScramjetClient } from "../client";
+import { config } from "../shared";
+
+export const POLLUTANT = Symbol.for("scramjet realm pollutant");
+
+export default function (client: ScramjetClient, self: typeof globalThis) {
+	// object.$setrealm({}).postMessage(...)
+	// the empty object is the "pollutant" which can reconstruct the real realm
+	// i explain more in postmessage.ts
+	Object.defineProperty(self.Object.prototype, config.setrealmfn, {
+		value(pollution: {}) {
+			// this is bad!! sites could detect this
+			Object.defineProperty(this, POLLUTANT, {
+				value: pollution,
+				writable: false,
+				configurable: true,
+				enumerable: false,
+			});
+
+			return this;
+		},
+		writable: false,
+		configurable: false,
+		enumerable: false,
+	});
+}