public commit

app/src/core/registry/Registry.ts

@@ -0,0 +1,30 @@
+export type Constructor<T> = new (...args: any[]) => T;
+export class Registry<Item, Items extends Record<string, object> = Record<string, object>> {
+   private is_set: boolean = false;
+   private items: Items = {} as Items;
+
+   set<Actual extends Record<string, object>>(items: Actual) {
+      if (this.is_set) {
+         throw new Error("Registry is already set");
+      }
+      // @ts-ignore
+      this.items = items;
+      this.is_set = true;
+
+      return this as unknown as Registry<Item, Actual>;
+   }
+
+   add(name: string, item: Item) {
+      // @ts-ignore
+      this.items[name] = item;
+      return this;
+   }
+
+   get<Name extends keyof Items>(name: Name): Items[Name] {
+      return this.items[name];
+   }
+
+   all() {
+      return this.items;
+   }
+}