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/system/config.js

@@ -14,17 +14,17 @@ var ConfigJS = {
     PHP: '',
     KODE: '',
 
-    index: function(){
+    index() {
         $('#butUbah').click(() => this.proses_edit());
         $('#butSimpan').click(() => this.proses_save());
         this.data_query('view');
     },
 
-    proses_edit: function(){
+    proses_edit() {
         this.data_query('edit');
     },
 
-    proses_save: function(){
+    proses_save() {
         new Request({
             url: this.PHP + '/config',
             sendParam: ['mode=save','REG_ID','REG_ADDRESS','REG_CITY','REG_POSTCODE','REG_PHONE','REG_EMAIL','REG_OWNER','REG_NPWP'],
@@ -35,7 +35,7 @@ var ConfigJS = {
         }).send()        
     },
 
-    data_query: function(mode){
+    data_query(mode) {
         new Request({
             url: this.PHP + '/config',
             sendParam: ['mode='+mode],
@@ -46,7 +46,7 @@ var ConfigJS = {
         }).send()        
     },
 
-    update_event: function(){
+    update_event() {
         if ($.inArray($('#mode').val(), ['edit']) !== -1) {
             $("#butUbah").prop('disabled', true);
             $("#butSimpan").prop('disabled', false);