Example code for Toastr

Author: EdminssonCreated Jul 16, 2026Updated Jul 16, 2026

In the overview of the Toastr Component you suggest this service:

bash

@Service()
export class AppToastService {
  private readonly _toasts = signal<ToastInfo[]>([]);
  readonly toasts = this.toasts.asReadonly();

  show(header: string, body: string) {
    this._toasts.push({ header, body });
  }
}

The declaration of toasts references itself and should reference this._toasts. In the show method you call this._toasts.push but a signal does not have a push method.

Source: ng-bootstrap/ng-bootstrap

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