Handle nested cloud config fields (#160)

* build json from config map recursively

* remove console.log

---------

Co-authored-by: Philip Prinz <Philip.Prinz@sva.de>

src/app/data/vm-template-service-configuration.ts

@@ -85,13 +85,27 @@ export function vmServiceToJSON(vmService: VMTemplateServiceConfiguration) {
       result += ', "noRewriteRootPath": ' + vmService.noRewriteRootPath;
     }
   }
-  if (vmService.cloudConfigMap) {
-    let cloudConfigMapString = '';
-    vmService.cloudConfigMap.forEach((value, key) => {
-      cloudConfigMapString += '"' + key + '": ' + JSON.stringify(value) + ' ';
-    });
-    result += ', "cloudConfigMap": {' + cloudConfigMapString + '}';
+  if (vmService.cloudConfigMap) {   
+    result += ', "cloudConfigMap": {' + mapToJson(vmService.cloudConfigMap, '') + '}'; //Potential alternative if es2019 or higher (configurable in tsconfig, field: lib): JSON.stringify(Object.fromEntries(vmService.cloudConfigMap))
   }
   result += '}';
   return result;
 }
+
+export function mapToJson(map: Map<string, any>, jsonString: string): string {
+  let isfirstElement = true
+  map.forEach((value, key) => {
+    if(!isfirstElement) {
+      jsonString += ','
+    }
+    if(typeof value === 'string' || Array.isArray(value)) {
+      jsonString += '"' + key + '": ' + JSON.stringify(value) + ' ';
+    } else if (value instanceof Map){
+      jsonString += '"' + key + '": {' + mapToJson(value, '') + '} ';
+    } else {
+      jsonString += '"' + key + '": {' + mapToJson(new Map(Object.entries(value)), '') + '} ';
+    }
+    isfirstElement = false
+  });
+  return jsonString
+}