now allows adding a saveable decorator

ts/smartdata.classes.dbdoc.ts

@@ -5,17 +5,55 @@ import { DbCollection } from './smartdata.classes.dbcollection'
 
 export type TDocCreation = 'db' | 'data' | 'mixed'
 
+/**
+ * sva - saveable decorator to be used on class properties
+ */
+export function saveable(target: DbDoc<any>, key: string) {
+    console.log('called sva')
+    if (!target.saveableProperties) { target.saveableProperties = [] }
+    target.saveableProperties.push(key)
+}
 
 export class DbDoc<T> {
+
+    /**
+     * the collection object an Doc belongs to
+     */
     collection: DbCollection<T>
+
+    /**
+     * how the Doc in memory was created, may prove useful later.
+     */
     creationType: TDocCreation
+
+    /**
+     * an array of saveable properties of a doc
+     */
+    saveableProperties: string[]
+
+    /**
+     * class constructor
+     */
     constructor() {
         this.collection = this.constructor['dbCollection']
     }
-    save() {
-        
-    }
-    saveDeep() {
 
+    /**
+     * saves this instance but not any connected items
+     * may lead to data inconsistencies, but is faster
+     */
+    save() {
+        let saveableObject = {}
+        for (let propertyNameString of this.saveableProperties) {
+            saveableObject[propertyNameString] = this[propertyNameString]
+        }
+    }
+
+    /**
+     * also store any referenced objects to DB
+     * better for data consistency
+     */
+    saveDeep() {
+        this.save()
     }
 }