[refactor] Moved 'clearObject' to its own TS file

utils/helpers/clearObject.ts

@@ -0,0 +1,14 @@
+/**
+ * Clears defined properties from an object.
+ * Does not delete up the prototype chain.
+ * @deprecated Look into using `Map` or `Set` rather than manipulating properties on an Object.
+ * @param obj the object to clear all properties
+ */
+export function clearObject(obj: any) {
+    for (const key in obj) {
+        if (obj.hasOwnProperty(key)) {
+            // tslint:disable-next-line:no-dynamic-delete
+            delete obj[key];
+        }
+    }
+}