Adding Excel Export

import * as Serenity from '@serenity-is/corelib'; import { Decorators, EntityGrid } from '@serenity-is/corelib'; import { saveAs } from 'file-saver'; //import { resolveUrl } from "@serenity-is/corelib/q"; import { MaintenanceFormsColumns, MaintenanceFormsRow, MaintenanceFormsService } from '../../ServerTypes/Maintenance'; import { MaintenanceFormsDialog } from './MaintenanceFormsDialog'; @Decorators.registerClass('MaintenanceApp.Maintenance.MaintenanceFormsGrid') export class MaintenanceFormsGrid extends EntityGrid { protected getColumnsKey() { return MaintenanceFormsColumns.columnsKey; } protected getDialogType() { return MaintenanceFormsDialog; } protected getRowDefinition() { return MaintenanceFormsRow; } protected getService() { return MaintenanceFormsService.baseUrl; }

 protected getButtons() {
     const buttons = super.getButtons();

     buttons.push({
         title: 'Export to Excel',
         cssClass: 'export-xlsx-button',
         onClick: () => this.onExportToExcel()
     });

     return buttons;
 }

 protected onExportToExcel() {
     const request = this.getView().params as Serenity.ListRequest;

     const url = Serenity.resolveUrl("~/services/Maintenance/MaintenanceForms/ListExcel");

     fetch(url, {
         method: "POST",
         headers: {
             "Content-Type": "application/json"
         },
         body: JSON.stringify(request)
     })
         .then(response => response.blob()) // Convert response to Blob
         .then(blob => {
             saveAs(blob, "MaintenanceFormsList.xlsx");
         })
         .catch(error => {
             console.error("Export failed:", error);
             alert("Failed to export to Excel.");
         });
 }

}