Fixed settings test.

src/node/utils/Settings.ts

@@ -629,6 +629,12 @@ const lookupEnvironmentVariables = (obj: MapArrayType<any>) => {
              * The environment variable expansion syntax "${ENV_VAR}" is just a string
              * of specific form, after all.
              */
+
+            if(key === 'undefined' || value === undefined) {
+                delete obj[key]
+                continue
+            }
+
             if ((typeof value !== 'string' && typeof value !== 'object') || value === null) {
                 obj[key] = value;
                 continue
@@ -723,7 +729,9 @@ const lookupEnvironmentVariables = (obj: MapArrayType<any>) => {
         currentNode.addChild(pathToKey, value!)
     })
 
-    console.log(root.collectFromLeafsUpwards())
+    //console.log(root.collectFromLeafsUpwards())
+    //const rooting = root.collectFromLeafsUpwards()
+
     obj = Object.assign(obj, envVars)
     return obj;
 };

src/node/utils/SettingsTree.ts

@@ -73,6 +73,23 @@ export class SettingsNode {
         return collected;
     }
 
+
+    public transformObjectWithArrays() {
+        function isNumeric(str: string|object) {
+            if (typeof str != "string") return false // we only process strings!
+            // @ts-ignore
+            return !isNaN(str) && // use type coercion to parse the _entirety_ of the string (`parseFloat` alone does not do this)...
+                !isNaN(parseFloat(str)) // ...and ensure strings of whitespace fail
+        }
+        let collected: MapArrayType<any> = {};
+        for (const key in this.children) {
+            if (isNumeric(key)) {
+                Object.entries(this.children).map(([key, value]) => {
+                })
+            }
+        }
+    }
+
     coerceValue = (stringValue: string) => {
         // cooked from https://stackoverflow.com/questions/175739/built-in-way-in-javascript-to-check-if-a-string-is-a-valid-number
         // @ts-ignore