Refactor member and product scripts to use concise method definitions

- Updated all function declarations to use ES6 shorthand method syntax in member.js, member_grup.js, point_barang.js, point_skema.js, point_tipe.js, kategori.js, operator.js, produk.js, produk_grup.js, rekpos.js, satuan.js, supplier.js, and varian.js.

app/Scripts/ppob/topup.js

@@ -14,7 +14,7 @@ var TopupJS = {
     PHP: '',
     KODE: '',
 
-    index: function(){
+    index() {
         this.data_query('tabel-detail');
         $('#butTambah').click(() => this.tx_tambah());
         $('#Cari_Topup').keydown((e) => {
@@ -29,11 +29,11 @@ var TopupJS = {
         FoniaJS.setFocus('#Cari_Topup');
     },
 
-    tx_info: function(acell){
+    tx_info(acell) {
         this.winInfo = FoniaJS.showWindow('', 'Informasi Topup Saldo', '<div class="form-control fs-4">'+acell[6]+'</div>', 'md');
     },
 
-    tx_tambah: function(){
+    tx_tambah() {
         new Request({
             url: this.PHP + '/form_topup',
             onSuccess: (a) => {
@@ -46,7 +46,7 @@ var TopupJS = {
         }).send();
     },
 
-    tx_simpan: function(){
+    tx_simpan() {
         if (parseInt($('#Jumlah').val())==0) {
             FoniaJS.showError('Silakan isi Jumlah lebih dari NOL !');
             $('#Jumlah').focus();
@@ -59,7 +59,7 @@ var TopupJS = {
         }).send();
     },
 
-    data_query: function(tipe){
+    data_query(tipe) {
         if (tipe=="tabel-detail"){
             new Request_JSF({
                 url: this.PHP + '/table_detail',