Added virtual columns support

Author: AniketRaneThalia

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "@csvbox/vuejs",
-  "version": "0.0.15",
+  "version": "0.0.16",
   "description": "Vue adapter for csvbox.io",
   "author": "csvbox-io",
   "license": "MIT",

package.json

@@ -108,27 +108,41 @@
                                     let headers = event.data.headers;
                                     let rows = [];
                                     let dynamic_columns_indexes = event.data.dynamicColumnsIndexes;
+                                    let virtual_columns_indexes = event.data.virtualColumnsIndexes || [];
+
                                     let dropdown_display_labels_mappings = event.data.dropdown_display_labels_mappings;
                                     primary_row_data.forEach((row_data) => {
+                                        
                                         let x = {};
                                         let dynamic_columns = {};
+                                        let virtual_data = {};
+                                        
                                         row_data.data.forEach((col, i)=>{
                                             if(col == undefined){ col = "" }
                                             if(!!dropdown_display_labels_mappings[i] && !!dropdown_display_labels_mappings[i][col]) {
                                                 col = dropdown_display_labels_mappings[i][col];
                                             }
                                             if(dynamic_columns_indexes.includes(i)) {
                                                 dynamic_columns[headers[i]] = col;
-                                            }else{
+                                            }
+                                            else if(virtual_columns_indexes.includes(i)) {
+                                                virtual_data[headers[i]] = col;
+                                            }
+                                            else{
                                                 x[headers[i]] = col;
                                             }
                                         });
+
                                         if(row_data.unmapped_data) {
                                             x["_unmapped_data"] = row_data.unmapped_data;
                                         }
                                         if(dynamic_columns && Object.keys(dynamic_columns).length > 0) {
                                             x["_dynamic_data"] = dynamic_columns;
                                         }
+                                        if(virtual_data && Object.keys(virtual_data).length > 0) {
+                                            x["_virtual_data"] = virtual_data;
+                                        }
+
                                         rows.push(x);
                                     });
                                     let metadata = event.data.data;