feat: добавил управление трансформацией данных для репозитория

src/app/repo.ts

@@ -15,6 +15,8 @@ export abstract class Repo<T extends Entity<any>> {
     protected _limit = 0
     protected _offset = 0
 
+    private _transformer: (obj: any) => any
+
     /**
      * Возвращает объект соотв. сущности, например new App()
      */
@@ -25,15 +27,16 @@ export abstract class Repo<T extends Entity<any>> {
      */
     abstract Name(): string
 
-    _transformer: (object: any) => any
+    constructor(storage: Storage, transformer?: (obj: any) => any) {
-
-    constructor(storage: Storage) {
         this._storage = storage
         this._entity = this.Entity()
-        this.resetTransformer()
+        this.setTransformer(transformer)
     }
 
-    resetTransformer() {
+    setTransformer(transformer?: (obj: any) => any): this {
+        if (transformer) {
+            this._transformer = transformer
+        } else {
             this._transformer = function (object: any): any {
                 const entity = this.Entity()
                 entity.data.fromObject(object)
@@ -41,6 +44,8 @@ export abstract class Repo<T extends Entity<any>> {
                 return entity
             }
         }
+        return this
+    }
 
     get storage(): Storage {
         return this._storage