feat: create LOCALE_ERROR_HANDLER

npm/ng-packs/packages/core/src/lib/tokens/index.ts

@@ -1,2 +1,3 @@
 export * from './list.token';
+export * from './locale-error-handler.token';
 export * from './options.token';

npm/ng-packs/packages/core/src/lib/tokens/locale-error-handler.token.ts

@@ -0,0 +1,14 @@
+import { InjectionToken, Injector } from '@angular/core';
+
+export interface LocaleErrorHandlerData {
+  resolve: any;
+  reject: any;
+  error: any;
+  locale: string;
+  storedLocales: Record<string, any>;
+  injector: Injector;
+}
+
+export const LOCALE_ERROR_HANDLER = new InjectionToken<(data: LocaleErrorHandlerData) => any>(
+  'LOCALE_ERROR_HANDLER',
+);