Adding types for passing objects when constructing objects

packages/realm/src/Object.ts

@@ -74,7 +74,7 @@
 };
 
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
-export type AnyRealmObject = RealmObject<any>;
+export type AnyRealmObject = RealmObject<any, any>;
 
 export const KEY_ARRAY = Symbol("Object#keys");
 export const KEY_SET = Symbol("Object#keySet");
@@ -141,7 +141,7 @@
  * }
  * ```
  * @see {@link ObjectSchema}
  * @typeParam `T` - The type of this class (e.g. if your class is `Person`,
  * `T` should also be `Person` - this duplication is required due to how
  * TypeScript works)
  * @typeParam `RequiredProperties` - The names of any properties of this

packages/realm/src/Unmanaged.ts

@@ -45,12 +45,22 @@ type RealmDictionaryRemappedModelPart<T> = {
     : never;
 };
 
+/**
+ * Exchanges properties defined as {@link Realm.Object} with their unmanaged version.
+ */
+type RealmObjectRemappedModelPart<T> = {
+  [K in ExtractPropertyNamesOfType<T, AnyRealmObject>]?: T[K] extends Realm.Object<infer Type>
+    ? T[K] | Unmanaged<Type>
+    : never;
+};
+
 /** Omits all properties of a model which are not defined by the schema */
 export type OmittedRealmTypes<T> = Omit<
   T,
   | keyof AnyRealmObject
   /* eslint-disable-next-line @typescript-eslint/ban-types */
   | ExtractPropertyNamesOfType<T, Function> // TODO: Figure out the use-case for this
+  | ExtractPropertyNamesOfType<T, AnyRealmObject>
   | ExtractPropertyNamesOfType<T, AnyCollection>
   | ExtractPropertyNamesOfType<T, AnyDictionary>
 >;
@@ -68,7 +78,9 @@ type OmittedRealmTypesWithRequired<T, RequiredProperties extends keyof OmittedRe
 >;
 
 /** Remaps realm types to "simpler" types (arrays and objects) */
-type RemappedRealmTypes<T> = RealmListsRemappedModelPart<T> & RealmDictionaryRemappedModelPart<T>;
+type RemappedRealmTypes<T> = RealmListsRemappedModelPart<T> &
+  RealmDictionaryRemappedModelPart<T> &
+  RealmObjectRemappedModelPart<T>;
 
 /**
  * Joins `T` stripped of all keys which value extends {@link Collection} and all inherited from {@link Realm.Object},

packages/realm/src/schema/types.ts

@@ -21,9 +21,10 @@ import { BSON, Realm, RealmObject } from "../internal";
 export type DefaultObject = Record<string, unknown>;
 /* eslint-disable-next-line @typescript-eslint/no-explicit-any -- Using `any` instead of `unknown` here to make it easier to pass */
 export type Constructor<T = unknown> = { new (...args: any): T };
-export type RealmObjectConstructor<T extends RealmObject = RealmObject> = {
+/* eslint-disable-next-line @typescript-eslint/no-explicit-any -- Using `any` instead of `unknown` here to make it easier to pass */
+export type RealmObjectConstructor<T extends RealmObject = RealmObject, Args extends unknown[] = any[]> = {
   /* eslint-disable-next-line @typescript-eslint/no-explicit-any -- Using `any` instead of `unknown` here to make it easier to pass */
-  new (...args: any): T;
+  new (...args: Args): T;
   // We need to declare schema as optional to support the babel plugin.
   // Otherwise it will produce a type error.
   schema?: ObjectSchema;