CHANGELOG.md

 
+<a name="v3.20.0"></a>
+## [v3.20.0] - 2023-03-01
+### Add Features
+- new equal command
+
+
 <a name="v3.19.0"></a>
 ## [v3.19.0] - 2023-03-01
 ### Add Features
@@ -356,6 +362,7 @@
 <a name="1.8.0"></a>
 ## 1.8.0 - 2021-08-15
 
+[v3.20.0]: https://gitlab.schukai.com/oss/libraries/javascript/monster/compare/v3.19.0...v3.20.0
 [v3.19.0]: https://gitlab.schukai.com/oss/libraries/javascript/monster/compare/v3.18.0...v3.19.0
 [v3.18.0]: https://gitlab.schukai.com/oss/libraries/javascript/monster/compare/v3.17.0...v3.18.0
 [v3.17.0]: https://gitlab.schukai.com/oss/libraries/javascript/monster/compare/v3.16.1...v3.17.0

application/package.json

 {
   "name": "@schukai/monster",
-  "version": "3.18.0",
+  "version": "3.19.0",
   "description": "Monster is a simple library for creating fast, robust and lightweight websites.",
   "keywords": [
     "framework",

application/source/data/transformer.mjs

@@ -576,6 +576,44 @@ function transform(value) {
 
             return map.get(value);
 
+        case "equals":
+
+            if (args.length === 0) {
+                throw new Error("missing value parameter");
+            }
+
+            validatePrimitive(value);
+
+            const equalsValue = args.shift();
+
+            /**
+             * The history of “typeof null”
+             * https://2ality.com/2013/10/typeof-null.html
+             * In JavaScript, typeof null is 'object', which incorrectly suggests
+             * that null is an object.
+             */
+            if (value === null) {
+                if (equalsValue === "null") {
+                    return true;
+                }
+                return false;
+            }
+
+            const typeOfValue = typeof value;
+
+            switch (typeOfValue) {
+                case "string":
+                    return value === equalsValue;
+                case "number":
+                    return value === parseFloat(equalsValue);
+                case "boolean":
+                    return value === (equalsValue === "true" || equalsValue === "on");
+                case "undefined":
+                    return equalsValue === "undefined";
+                default:
+                    throw new Error("type not supported");
+            }
+
         case "money":
         case "currency":
 

application/source/types/version.mjs

@@ -142,7 +142,7 @@ function getMonsterVersion() {
     }
 
     /** don't touch, replaced by make with package.json version */
-    monsterVersion = new Version("3.18.0");
+    monsterVersion = new Version("3.19.0");
 
     return monsterVersion;
 }

development/package.json

 {
   "name": "monster",
-  "version": "3.18.0",
+  "version": "3.19.0",
   "description": "monster",
   "repository": {
     "type": "git",

development/test/cases/data/transformer.mjs

@@ -28,6 +28,26 @@ describe('Transformer', function () {
     describe('Transformer.run()', function () {
 
         [
+            ['equals:a', "a", true],
+            ['equals:a', "b", false],
+            ['equals:3', 3, true],
+            ['equals:3', 6, false],
+            ['equals:on', true, true],
+            ['equals:true', true, true],
+            ['equals:on', false, false],
+            ['equals:true', false, false],
+            ['equals:off', false, true],
+            ['equals:false', false, true],
+            ['equals:off', false, true],
+            ['equals:false', true, false],
+            ['equals:3', 3, true],
+            ['equals:3', 6, false],
+            ['equals:undefined', undefined, true],
+            ['equals:undefined', 3, false],
+            ['equals:null', null, true],
+            ['equals:null', 3, false],
+            ['equals:3', 6, false],
+            ['currency', "EUR0", "0,00 €"],
             ['currency:1:2', "EUR14.25", "14,2 €"],
             ['currency', "EUR14.25", "14,25 €"],
             ['datetime', "2023-02-14 14:12:10", "14.2.2023, 14:12:10"],

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("3.18.0")
+        monsterVersion = new Version("3.19.0")
 
         let m = getMonsterVersion();
 

release.json

-{"version":"3.19.0"}
+{"version":"3.20.0"}