document resolver, reduce code duplication, refactoring

dist/module-debug/db/interface.js

@@ -1,3 +1,5 @@
+
+
 /**
  * @interface
  */
@@ -20,9 +22,22 @@ StorageInterface.prototype.destroy = async function () {};
 
 // transfer all changes of an index to the database
 StorageInterface.prototype.commit = async function () {};
-// get results of a term "key" with optional context "ctx"
+/**
+ * get results of a term "key" with optional context "ctx"
+ * @param {!string} key
+ * @param {string=} ctx
+ * @param {number=} limit
+ * @param {number=} offset
+ * @param {boolean=} resolve
+ * @param {boolean=} enrich
+ * @return {!Promise<SearchResults|EnrichedSearchResults>}
+ */
 StorageInterface.prototype.get = async function () {};
-// get documents stored in index (enrich result)
+/**
+ * get documents stored in index (enrich result)
+ * @param {SearchResults} ids
+ * @return {!Promise<EnrichedSearchResults>}
+ */
 StorageInterface.prototype.enrich = async function () {};
 // check if id exists on a specific index
 StorageInterface.prototype.has = async function () {};