Disallow primitive singular registration (#3077)

packages/types/src/create/registry.ts

@@ -316,6 +316,7 @@ export class TypeRegistry implements Registry {
       this.#classes.set(arg1.name, arg1);
     } else if (isString(arg1)) {
       assert(isFunction(arg2), `Expected class definition passed to '${arg1}' registration`);
+      assert(arg1 !== arg2.toString(), `Unable to register circular ${arg1} === ${arg1}`);
 
       this.#classes.set(arg1, arg2);
     } else {
@@ -333,6 +334,8 @@ export class TypeRegistry implements Registry {
           ? type
           : JSON.stringify(type);
 
+        assert(name !== def, `Unable to register circular ${name} === ${def}`);
+
         // we already have this type, remove the classes registered for it
         if (this.#classes.has(name)) {
           this.#classes.delete(name);