Data Table Laravel snips

DataTableLaravel.js

$(function () {
            let data_table = $('#data-table');
            let data_table_object = null;

            fetch_data()
            function fetch_data() {
                if (data_table_object != null) {
                    data_table_object.destroy();
                }
                data_table_object = data_table.DataTable({
                    dom: 'rt<"bottom"flp><"clear">',
                    initComplete: function (settings, json) {
                        postLoad();
                    },
                    drawCallback: function () {
                        postLoad();
                    },

                    autoWidth: true,
                    processing: false,
                    serverSide: true,
                    aaSorting: [],
                    ordering: false,
                    ajax: {
                        url: "{{ route('manage-users.index-data') }}",
                        data: {
                            // 'project_id': $project_id,
                            // 'selected_status': $selected_status,
                            // 'selected_custom_roles': $selected_custom_roles
                        }
                    },
                    /*columnDefs: columnDefs,*/ // [{targets: Array(1), visible: false, searchable: false, bVisible: false, bSearchable: false}]
                    /*columns: column_list_datatable*/ // [{data: "health_alerts", mData: "health_alerts"}]

                });
            }

            function postLoad() {
                console.log('Data Table refreshed..');
            }
            
            /* for external Search button */
            /*Datatable user Search */
            search.on('keyup keydown change', function () {
                 $dataTable.search($(this).val()).draw();
            });
        });