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/table/member/member_grup.js

@@ -14,7 +14,7 @@ var MemberGrupJS = {
     PHP: '',
     KODE: '',
 
-    index: function(){
+    index() {
         this.data_query('detail');
         $('#Cari_Member').keydown((e) => {
             var key = e.keyCode || e.which || 0;
@@ -28,7 +28,7 @@ var MemberGrupJS = {
         FoniaJS.setFocus('#Cari_Member');
     },
 
-    detail_show: function(mode, ID){
+    detail_show(mode, ID) {
         new Request({
             url: this.PHP + '/form_grup',
             sendParam: ['mode_detail='+mode,'Grup_MemberID='+ID],
@@ -40,15 +40,15 @@ var MemberGrupJS = {
         }).send();
     },
 
-    detail_tambah: function(){
+    detail_tambah() {
         this.detail_show('insert', 0);
     },
 
-    detail_ubah: function(acell){
+    detail_ubah(acell) {
         this.detail_show('update', acell[0]);
     },
 
-    detail_hapus: function(acell){
+    detail_hapus(acell) {
         FoniaJS.showConfirm('Konfirmasi', 'Yakin akan hapus <b>"'+acell[2]+'"</b> ?', () => {
             new Request_JSF({
                 url: this.PHP + '/table_detail',
@@ -60,7 +60,7 @@ var MemberGrupJS = {
         }, 'danger');
     },
 
-    detail_save: function(){
+    detail_save() {
         new Request_JSF({
             url: this.PHP + '/table_detail',
             sendParam: ['mode_detail','Grup_MemberID','Kode_Grup','Nama_Grup','Aktif','Cari_Member'],
@@ -71,7 +71,7 @@ var MemberGrupJS = {
         }).send();
     },
 
-    data_query: function(tipe, mode){
+    data_query(tipe, mode) {
         if (tipe=="detail"){
             new Request_JSF({
                 url: this.PHP + '/table_detail',