import { ColDef , GridOptions } from '@ag-grid-community/core' ; declare var window ; const columnDefs = [ { field : 'athlete' } , { field : 'age' } , { field : 'country' } , { field : 'sport' } , { field : 'year' } , { field : 'date' } , { field : 'gold' } , { field : 'silver' } , { field : 'bronze' } , { field : 'total' } , ] ; const gridOptions = { defaultColDef : { sortable : true , resizable : true , width : 100 , enableRowGroup : true , enablePivot : true , enableValue : true , } , sideBar : { toolPanels : [ 'columns' ] , } , rowGroupPanelShow : 'always' , pivotPanelShow : 'always' , debug : true , columnDefs : columnDefs , rowData : null , } ; function saveState ( ) { window . colState = gridOptions . columnApi ! . getColumnState ( ) ; console . log ( 'column state saved' ) ; } function restoreState ( ) { if ( ! window . colState ) { console . log ( 'no columns state to restore by, you must save state first' ) ; return ; } gridOptions . columnApi ! . applyColumnState ( { state : window . colState , applyOrder : true , } ) ; console . log ( 'column state restored' ) ; } function resetState ( ) { gridOptions . columnApi ! . resetColumnState ( ) ; console . log ( 'column state reset' ) ; } document . addEventListener ( 'DOMContentLoaded' , ( ) => { const gridDiv = document . querySelector ( '#myGrid' ) ; new agGrid . Grid ( gridDiv , gridOptions ) ; fetch ( 'https://www.ag-grid.com/example-assets/olympic-winners.json' ) . then ( response => response . json ( ) ) . then ( data => gridOptions . api ! . setRowData ( data ) ) ; } ) ;