Method callButtonHandler

core/src/components/toast/toast.tsx:545–560

(button: ToastButton | undefined)

  }

  private async callButtonHandler(button: ToastButton | undefined) {
    if (button?.handler) {
      // a handler has been provided, execute it
      // pass the handler the values from the inputs
      try {
        const rtn = await safeCall(button.handler);
        if (rtn === false) {
          // if the return value of the handler is false then do not dismiss
          return false;
        }
      } catch (e) {
        printIonError('[ion-toast] - Exception in callButtonHandler:', e);
      }
    }
    return true;
  }

  private dispatchCancelHandler = (ev: CustomEvent) => {
    const role = ev.detail.role;