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/inv/cekharga.js

@@ -15,7 +15,7 @@ var CekHargaJS = {
     KODE: '',
     html5QrcodeScanner: null,
 
-    index: function(){
+    index() {
         $('#butBrow').click(() => this.produk_brow());
         if (FoniaJS.WEB_MOBILE){
             html5QrcodeScanner = new Html5Qrcode('qr-reader');
@@ -26,7 +26,7 @@ var CekHargaJS = {
         }
     },
 
-    ScanSukses: function(decodedText, decodedResult){
+    ScanSukses(decodedText, decodedResult) {
         new Request({
             url: CekHargaJS.PHP + '/scan_produk',
             sendParam: ['Cari_Produk='+decodedText],
@@ -41,7 +41,7 @@ var CekHargaJS = {
         }).send();
     },
 
-    produk_brow: function(){
+    produk_brow() {
         var _isi = new String('<div class="row mb-1"><div class="col"><div class="input-group"><input class="form-control" id="Cari_Produk" placeholder="Kunci Pencarian" type="text"><button class="btn btn-info shadow-none" type="button" id="butSearch">Cari</button><button class="btn btn-secondary shadow-none" type="button" id="butAll">Semua</button></div></div></div><div id="divBrowProduk">&nbsp;</div>');
         this.winBProduk = FoniaJS.showWindow('BProduk', 'Daftar Barang', _isi, 'xl', '', () => {
             $('#winBProduk')
@@ -58,7 +58,7 @@ var CekHargaJS = {
         });
     },
 
-    produk_select: function(acell){
+    produk_select(acell) {
         FoniaJS.closeWindow(this.winBProduk);
         $('#InvID').val(acell[0]);
         $('#Kode_Barang').val(acell[1]+' / '+acell[2]);
@@ -68,7 +68,7 @@ var CekHargaJS = {
         this.update_Sup();
     },
 
-    data_query: function(tipe){
+    data_query(tipe) {
         if (tipe=="brow-produk"){
             new Request_JSF({
                 url: this.PHP + '/brow_produk',
@@ -78,7 +78,7 @@ var CekHargaJS = {
         }
     },
 
-    Produk_Comp: function(item){
+    Produk_Comp(item) {
         var adata = item.data.split(':');
         $('#InvID').val(item.value);
         $('#Nama_Barang').val(item.text);
@@ -89,7 +89,7 @@ var CekHargaJS = {
         CekHargaJS.update_Sup();
     },
 
-    update_Sup: function(){
+    update_Sup() {
         if (parseInt($('#InvID').val()) == 0) return false;
         new Request_JSF({
             url: this.PHP + '/update_sup',