import { Type } from '@angular/core';
import { LoadChildren, Route } from '@angular/router';

/**
 * Extends the Angular Route and ensures that either loadChildren or
 * loadComponent is set (but never both).
 */
export type RoutePfeLazy =
  | (Route & {
      loadChildren: LoadChildren;
      loadComponent?: never;
    })
  | (Route & {
      loadChildren?: never;
      loadComponent: Route['loadComponent'];
    });

/**
 * A PageDefinition contains the component for a page.
 *
 * @export
 */
export class PageDefinition {
  pageComponent?: Type<unknown>;
  /**
   * For lazy loaded pages a Route with the loadChildren defined needs to be provided.
   */
  lazyPageRoute?: RoutePfeLazy;

  constructor(pageComponent?: Type<unknown>) {
    if (pageComponent) {
      this.pageComponent = pageComponent;
    }
  }
}