.idea/php.xml

 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="MessDetectorOptionsConfiguration">
+    <option name="transferred" value="true" />
+  </component>
+  <component name="PHPCSFixerOptionsConfiguration">
+    <option name="transferred" value="true" />
+  </component>
+  <component name="PHPCodeSnifferOptionsConfiguration">
+    <option name="transferred" value="true" />
+  </component>
   <component name="PhpProjectSharedConfiguration" php_language_level="7.4">
     <option name="suggestChangeDefaultLanguageLevel" value="false" />
   </component>

CHANGELOG.md

 
+<a name="v2.1.0"></a>
+## [v2.1.0] - 2022-12-30
+### Add Features
+- implement instanceof for multi realm
+
+
 <a name="v2.0.16"></a>
 ## [v2.0.16] - 2022-10-31
 
@@ -78,6 +84,7 @@
 <a name="1.8.0"></a>
 ## 1.8.0 - 2021-08-15
 
+[v2.1.0]: https://gitlab.schukai.com/oss/libraries/javascript/monster/compare/v2.0.16...v2.1.0
 [v2.0.16]: https://gitlab.schukai.com/oss/libraries/javascript/monster/compare/v2.0.15...v2.0.16
 [v2.0.15]: https://gitlab.schukai.com/oss/libraries/javascript/monster/compare/1.31.0...v2.0.15
 [1.31.0]: https://gitlab.schukai.com/oss/libraries/javascript/monster/compare/1.30.1...1.31.0

README.md

@@ -73,7 +73,7 @@ We do try to work around some browser bugs, but on the whole we don't use polyfi
 However, many functions can be mapped via [polyfill.io](https://polyfill.io/) and thus the compatibility can be increased.
 
 ```html
-<script id="polyfill" src="https://polyfill.io/v3/polyfill.min.js?features=Array.from,Array.isArray,Array.prototype.entries,Array.prototype.fill,Array.prototype.filter,Array.prototype.forEach,Array.prototype.indexOf,Array.prototype.keys,Array.prototype.lastIndexOf,Array.prototype.map,Array.prototype.reduce,Array.prototype.sort,ArrayBuffer,atob,CustomEvent,DataView,document,Document,DocumentFragment,Element,Event,fetch,globalThis,HTMLDocument,HTMLTemplateElement,Intl,JSON,Map,Math.log2,Number.isInteger,Object.assign,Object.defineProperty,Object.entries,Object.freeze,Object.getOwnPropertyDescriptor,Object.getOwnPropertyNames,Object.getPrototypeOf,Object.keys,Promise,Reflect,Reflect.defineProperty,Reflect.get,Reflect.getOwnPropertyDescriptor,Reflect.setPrototypeOf,Set,String.prototype.endsWith,String.prototype.matchAll,String.prototype.padStart,String.prototype.startsWith,String.prototype.trim,Symbol,Symbol.iterator,Uint16Array,Uint8Array,URL,WeakMap,WeakSet"
+<script id="polyfill" src="https://polyfill.io/v3/polyfill.min.js?features=Array.from,Array.isArray,Array.prototype.entries,Array.prototype.fill,Array.prototype.filter,Array.prototype.forEach,Array.prototype.indexOf,Array.prototype.keys,Array.prototype.lastIndexOf,Array.prototype.map,Array.prototype.reduce,Array.prototype.sort,ArrayBuffer,atob,CustomEvent,DataView,document,Document,DocumentFragment,Element,Event,fetch,globalThis,HTMLDocument,HTMLTemplateElement,Intl,JSON,Map,Math.log2,Number.isInteger,Object.assign,Object.defineProperty,Object.entries,Object.freeze,Object.getOwnPropertyDescriptor,Object.getOwnPropertyNames,Object.getOwnPropertySymbols,Object.getPrototypeOf,Object.keys,Promise,Reflect,Reflect.defineProperty,Reflect.get,Reflect.getOwnPropertyDescriptor,Reflect.setPrototypeOf,Set,String.prototype.endsWith,String.prototype.matchAll,String.prototype.padStart,String.prototype.startsWith,String.prototype.trim,Symbol,Symbol.for,Symbol.hasInstance,Symbol.iterator,Uint16Array,Uint8Array,URL,WeakMap,WeakSet"
        crossorigin="anonymous"
        referrerpolicy="no-referrer"></script>
 ```

application/package.json

 {
   "name": "@schukai/monster",
-  "version": "2.0.15",
+  "version": "2.0.16",
   "description": "Monster is a simple library for creating fast, robust and lightweight websites.",
   "keywords": [
     "framework",

application/source/constants.mjs

@@ -10,7 +10,8 @@
 
 export {
     internalSymbol,
-    internalStateSymbol
+    internalStateSymbol,
+    instanceSymbol
 }
 
 /**
@@ -20,7 +21,7 @@ export {
  * @license AGPLv3
  * @since 1.24.0
  */
-const internalSymbol = Symbol('internalData');
+const internalSymbol = Symbol.for('@schukai/monster/internal');
 
 /**
  * @private
@@ -29,5 +30,11 @@ const internalSymbol = Symbol('internalData');
  * @license AGPLv3
  * @since 1.25.0
  */
-const internalStateSymbol = Symbol('state');
+const internalStateSymbol = Symbol.for('@schukai/monster/state');
+
+/**
+ * @private
+ * @type {symbol}
+ */
+const instanceSymbol = Symbol.for('@schukai/monster/instance');
 

application/source/constraints/abstract.mjs

@@ -6,6 +6,7 @@
  */
 
 import {Base} from '../types/base.mjs';
+import {instanceSymbol} from '../constants.mjs';
 
 export {AbstractConstraint}
 
@@ -42,4 +43,14 @@ class AbstractConstraint extends Base {
     isValid(value) {
         return Promise.reject(value);
     }
+
+    /**
+     * This method is called by the `instanceof` operator.
+     * @returns {symbol}
+     * @since 2.1.0
+     */
+    static get [instanceSymbol]() {
+        return Symbol.for("@schukai/monster/constraints/abstract-constraint");
+    }
+
 }

application/source/constraints/abstractoperator.mjs

@@ -6,7 +6,7 @@
  */
 
 import {AbstractConstraint} from "./abstract.mjs";
-
+import {instanceSymbol} from '../constants.mjs';
 export {AbstractOperator}
 
 /**
@@ -43,6 +43,16 @@ class AbstractOperator extends AbstractConstraint {
 
     }
 
+    /**
+     * This method is called by the `instanceof` operator.
+     * @returns {symbol}
+     * @since 2.1.0
+     */
+    static get [instanceSymbol]() {
+        return Symbol.for("@schukai/monster/constraints/abstract-operator");
+    }
+
+
 
 }
 

application/source/constraints/andoperator.mjs

@@ -6,7 +6,7 @@
  */
 
 import {AbstractOperator} from "./abstractoperator.mjs";
-
+import {instanceSymbol} from '../constants.mjs';
 export {AndOperator}
 
 /**
@@ -35,4 +35,14 @@ class AndOperator extends AbstractOperator {
         return Promise.all([this.operantA.isValid(value), this.operantB.isValid(value)]);
     }
 
+    /**
+     * This method is called by the `instanceof` operator.
+     * @returns {symbol}
+     * @since 2.1.0
+     */
+    static get [instanceSymbol]() {
+        return Symbol.for("@schukai/monster/constraints/and-operator");
+    }
+    
+    
 }

application/source/constraints/invalid.mjs

@@ -6,7 +6,7 @@
  */
 
 import {AbstractConstraint} from "./abstract.mjs";
-
+import {instanceSymbol} from '../constants.mjs';
 export {Invalid}
 
 /**
@@ -35,4 +35,14 @@ class Invalid extends AbstractConstraint {
         return Promise.reject(value);
     }
 
+    /**
+     * This method is called by the `instanceof` operator.
+     * @returns {symbol}
+     * @since 2.1.0
+     */
+    static get [instanceSymbol]() {
+        return Symbol.for("@schukai/monster/constraints/invalid");
+    }
+
+
 }

application/source/constraints/isarray.mjs

@@ -7,7 +7,7 @@
 
 import {isArray} from "../types/is.mjs";
 import {AbstractConstraint} from "./abstract.mjs";
-
+import {instanceSymbol} from '../constants.mjs';
 export {IsArray}
 
 /**
@@ -38,4 +38,14 @@ class IsArray extends AbstractConstraint {
         return Promise.reject(value);
     }
 
+    /**
+     * This method is called by the `instanceof` operator.
+     * @returns {symbol}
+     * @since 2.1.0
+     */
+    static get [instanceSymbol]() {
+        return Symbol.for("@schukai/monster/constraint/is-array");
+    }
+
+
 }

application/source/constraints/isobject.mjs

@@ -7,7 +7,7 @@
 
 import {isObject} from "../types/is.mjs";
 import {AbstractConstraint} from "./abstract.mjs";
-
+import {instanceSymbol} from '../constants.mjs';
 export {IsObject}
 
 /**
@@ -38,4 +38,14 @@ class IsObject extends AbstractConstraint {
         return Promise.reject(value);
     }
 
+    /**
+     * This method is called by the `instanceof` operator.
+     * @returns {symbol}
+     * @since 2.1.0
+     */
+    static get [instanceSymbol]() {
+        return Symbol.for("@schukai/monster/constraint/is-object");
+    }
+
+
 }

application/source/constraints/oroperator.mjs

@@ -6,7 +6,7 @@
  */
 
 import {AbstractOperator} from "./abstractoperator.mjs";
-
+import {instanceSymbol} from '../constants.mjs';
 export {OrOperator}
 
 /**
@@ -61,5 +61,15 @@ class OrOperator extends AbstractOperator {
         });
     }
 
+    /**
+     * This method is called by the `instanceof` operator.
+     * @returns {symbol}
+     * @since 2.1.0
+     */
+    static get [instanceSymbol]() {
+        return Symbol.for("@schukai/monster/constraints/or-operator");
+    }
+
+
 
 }

application/source/constraints/valid.mjs

@@ -6,7 +6,7 @@
  */
 
 import {AbstractConstraint} from "./abstract.mjs";
-
+import {instanceSymbol} from '../constants.mjs';
 export {Valid}
 
 /**
@@ -35,4 +35,14 @@ class Valid extends AbstractConstraint {
         return Promise.resolve(value);
     }
 
+    /**
+     * This method is called by the `instanceof` operator.
+     * @returns {symbol}
+     * @since 2.1.0
+     */
+    static get [instanceSymbol]() {
+        return Symbol.for("@schukai/monster/constraints/valid");
+    }
+
+
 }

application/source/data/datasource.mjs

@@ -6,7 +6,7 @@
  */
 
 import {internalSymbol} from "../constants.mjs";
-
+import {instanceSymbol} from '../constants.mjs';
 import {Base} from "../types/base.mjs";
 import {parseDataURL} from "../types/dataurl.mjs";
 import {isString} from "../types/is.mjs";
@@ -39,6 +39,7 @@ const internalDataSymbol = Symbol('internalData');
 class Datasource extends Base {
 
     /**
+     * creates a new datasource
      * 
      */
     constructor() {
@@ -185,6 +186,15 @@ class Datasource extends Base {
         return self;
     }
 
+    /**
+     * This method is called by the `instanceof` operator.
+     * @returns {symbol}
+     * @since 2.1.0
+     */
+    static get [instanceSymbol]() {
+        return Symbol.for("@schukai/monster/data/datasource");
+    }
+
 }
 
 /**

application/source/data/datasource/restapi.mjs

@@ -5,7 +5,7 @@
  * License text available at https://www.gnu.org/licenses/agpl-3.0.en.html
  */
 
-import {internalSymbol} from "../../constants.mjs";
+import {internalSymbol,instanceSymbol} from "../../constants.mjs";
 import {isObject} from "../../types/is.mjs";
 import {Datasource} from "../datasource.mjs";
 import {Pathfinder} from "../pathfinder.mjs";
@@ -44,6 +44,15 @@ class RestAPI extends Datasource {
 
     }
 
+    /**
+     * This method is called by the `instanceof` operator.
+     * @returns {symbol}
+     * @since 2.1.0
+     */
+    static get [instanceSymbol]() {
+        return Symbol.for("@schukai/monster/data/datasource/restapi");
+    }    
+    
     /**
      * @property {string} url=undefined Defines the resource that you wish to fetch.
      * @property {Object} write={} Options

application/source/data/datasource/restapi/writeerror.mjs

@@ -5,7 +5,7 @@
  * License text available at https://www.gnu.org/licenses/agpl-3.0.en.html
  */
 
-import {internalSymbol} from "../../../constants.mjs";
+import {internalSymbol,instanceSymbol} from "../../../constants.mjs";
 
 export {WriteError}
 
@@ -32,6 +32,15 @@ class WriteError extends Error {
         };
     }
 
+    /**
+     * This method is called by the `instanceof` operator.
+     * @returns {symbol}
+     * @since 2.1.0
+     */
+    static get [instanceSymbol]() {
+        return Symbol.for("@schukai/monster/data/datasource/restapi/writeerror");
+    }
+
     /**
      * @return {Response}
      */

application/source/data/datasource/storage.mjs

@@ -5,7 +5,7 @@
  * License text available at https://www.gnu.org/licenses/agpl-3.0.en.html
  */
 
-import {internalSymbol} from "../../constants.mjs";
+import {internalSymbol,instanceSymbol} from "../../constants.mjs";
 import {validateString} from "../../types/validate.mjs";
 import {Datasource} from "../datasource.mjs";
 
@@ -38,6 +38,15 @@ class Storage extends Datasource {
         this.setOption('key', validateString(key));
     }
 
+    /**
+     * This method is called by the `instanceof` operator.
+     * @returns {symbol}
+     * @since 2.1.0
+     */
+    static get [instanceSymbol]() {
+        return Symbol.for("@schukai/monster/data/datasource/storage");
+    }    
+
     /**
      * @property {string} key=undefined LocalStorage Key
      */

application/source/data/datasource/storage/localstorage.mjs

@@ -5,7 +5,7 @@
  * License text available at https://www.gnu.org/licenses/agpl-3.0.en.html
  */
 
-import {internalSymbol} from "../../../constants.mjs";
+import {internalSymbol,instanceSymbol} from "../../../constants.mjs";
 import {getGlobalObject} from "../../../types/global.mjs";
 import {Datasource} from "../../datasource.mjs";
 import {Storage, storageObjectSymbol} from "../storage.mjs";
@@ -32,6 +32,15 @@ class LocalStorage extends Storage {
         return getGlobalObject('localStorage');
     }
 
+    /**
+     * This method is called by the `instanceof` operator.
+     * @returns {symbol}
+     * @since 2.1.0
+     */
+    static get [instanceSymbol]() {
+        return Symbol.for("@schukai/monster/data/datasource/storage/localstorage");
+    }
+
     /**
      * Create clone
      * @return {LocalStorage}

application/source/data/datasource/storage/sessionstorage.mjs

@@ -5,7 +5,7 @@
  * License text available at https://www.gnu.org/licenses/agpl-3.0.en.html
  */
 
-import {internalSymbol} from "../../../constants.mjs";
+import {internalSymbol,instanceSymbol} from "../../../constants.mjs";
 import {getGlobalObject} from "../../../types/global.mjs";
 import {Datasource} from "../../datasource.mjs";
 import {Storage, storageObjectSymbol} from "../storage.mjs";
@@ -32,6 +32,15 @@ class SessionStorage extends Storage {
         return getGlobalObject('sessionStorage');
     }
 
+    /**
+     * This method is called by the `instanceof` operator.
+     * @returns {symbol}
+     * @since 2.1.0
+     */
+    static get [instanceSymbol]() {
+        return Symbol.for("@schukai/monster/data/datasource/storage/session-storage");
+    }
+
     /**
      * Create Clone
      * 

application/source/dom/customcontrol.mjs

@@ -8,7 +8,7 @@
 import {extend} from "../data/extend.mjs";
 import {ATTRIBUTE_VALUE} from "./constants.mjs";
 import {CustomElement, attributeObserverSymbol} from "./customelement.mjs";
-
+import {instanceSymbol} from '../constants.mjs';
 export {CustomControl}
 
 /**
@@ -70,6 +70,16 @@ class CustomControl extends CustomElement {
 
     }
 
+    /**
+     * This method is called by the `instanceof` operator.
+     * @returns {symbol}
+     * @since 2.1.0
+     */
+    static get [instanceSymbol]() {
+        return Symbol.for("@schukai/monster/dom/custom-control");
+    }
+
+
     /**
      * This method determines which attributes are to be monitored by `attributeChangedCallback()`.
      *