CHANGELOG.md

 
+<a name="v3.14.1"></a>
+## [v3.14.1] - 2023-02-21
+### Bug Fixes
+- add empty strings
+
+### Changes
+- add tests
+
+
 <a name="v3.14.0"></a>
 ## [v3.14.0] - 2023-02-21
 ### Add Features
@@ -310,6 +319,7 @@
 <a name="1.8.0"></a>
 ## 1.8.0 - 2021-08-15
 
+[v3.14.1]: https://gitlab.schukai.com/oss/libraries/javascript/monster/compare/v3.14.0...v3.14.1
 [v3.14.0]: https://gitlab.schukai.com/oss/libraries/javascript/monster/compare/v3.13.1...v3.14.0
 [v3.13.1]: https://gitlab.schukai.com/oss/libraries/javascript/monster/compare/v3.13.0...v3.13.1
 [v3.13.0]: https://gitlab.schukai.com/oss/libraries/javascript/monster/compare/v3.12.2...v3.13.0

application/package.json

 {
   "name": "@schukai/monster",
-  "version": "3.13.1",
+  "version": "3.14.0",
   "description": "Monster is a simple library for creating fast, robust and lightweight websites.",
   "keywords": [
     "framework",

application/source/data/transformer.mjs

@@ -406,6 +406,12 @@ function transform(value) {
                     throw new Error("missing key parameter");
                 }
                 
+                // add empty strings
+                if (isString(key)&&key.trim()==="") {
+                    concat += key; 
+                    continue;
+                }
+                
                 if (!pf2.exists(key)) {
                     concat += key;
                     continue;

application/source/types/version.mjs

@@ -142,7 +142,7 @@ function getMonsterVersion() {
     }
 
     /** don't touch, replaced by make with package.json version */
-    monsterVersion = new Version("3.13.1");
+    monsterVersion = new Version("3.14.0");
 
     return monsterVersion;
 }

development/package.json

 {
   "name": "monster",
-  "version": "3.13.1",
+  "version": "3.14.0",
   "description": "monster",
   "repository": {
     "type": "git",

development/test/cases/data/transformer.mjs

@@ -28,6 +28,9 @@ describe('Transformer', function () {
 
         [
             ['concat:a.b.c:test:a.b.d', {a: {b: {c: 4, d: 6}}}, "4test6"],
+            ['concat:a.b.c:\\ \\ :a.b.d', {a: {b: {c: 4, d: 6}}}, "4  6"],
+            ['concat:a.b.c:,:a.b.d', {a: {b: {c: 4, d: 6}}}, "4,6"],
+            ['concat:a.b.c:,:\\ :a.b.d', {a: {b: {c: 4, d: 6}}}, "4, 6"],
             ['??:a', null, 'a'],
             ['??:a', undefined, 'a'],
             ['??:a', 'true', 'true'],

development/test/cases/monster.mjs

@@ -7,7 +7,7 @@ describe('Monster', function () {
         let monsterVersion
 
         /** don´t touch, replaced by make with package.json version */
-        monsterVersion = new Version("3.13.1")
+        monsterVersion = new Version("3.14.0")
 
         let m = getMonsterVersion();
 

release.json

-{"version":"3.14.0"}
+{"version":"3.14.1"}