move common properties to IListable

src/lib/listing/listing-component.directive.ts

@@ -21,6 +21,9 @@ export abstract class ListingComponent<T extends IListable> extends AutoUnsubscr
     readonly noContent$ = this._noContent$;
     readonly sortedDisplayedEntities$ = this._sortedDisplayedEntities$;
     readonly listingMode$: Observable<ListingMode>;
+    /**
+     * @deprecated Use routerLink getter from IListable
+     */
     readonly routerLinkFn?: (entity: T) => string | string[];
 
     abstract readonly tableColumnConfigs: readonly TableColumnConfig<T>[];
@@ -30,8 +33,8 @@ export abstract class ListingComponent<T extends IListable> extends AutoUnsubscr
      * Key used in the *trackBy* function with **ngFor* or **cdkVirtualFor*
      * and in the default sorting and as the search field
      * @protected
+     * @deprecated Use searchKey getter from IListable
      */
-    protected abstract readonly _primaryKey: KeysOf<T>;
     private readonly _listingMode$ = new BehaviorSubject<ListingMode>(ListingModes.table);
 
     protected constructor(protected readonly _injector: Injector) {
@@ -87,6 +90,6 @@ export abstract class ListingComponent<T extends IListable> extends AutoUnsubscr
 
     @Bind()
     trackByPrimaryKey(index: number, item: T): unknown {
-        return item[this._primaryKey];
+        return item.searchKey ?? item[this._primaryKey];
     }
 }

src/lib/listing/models/listable.ts

@@ -1,4 +1,5 @@
 export interface IListable {
     readonly id: string;
+    readonly searchKey?: string;
     readonly routerLink?: string;
 }

src/lib/utils/types/utility-types.ts

@@ -7,9 +7,9 @@
  *   // Expect: "name | setName | someKeys | someFn"
  *   type Keys = KeysOf<Object>;
  */
-export type KeysOf<T> = {
-    [K in keyof T]: K;
-}[keyof T];
+export type KeysOf<Type, ExtendedType = unknown> = {
+    [Key in keyof Type]: Type[Key] extends ExtendedType ? Key : never;
+}[keyof Type];
 
 /**
  * ValuesOf