diff --git a/dist/lik.objectmap.d.ts b/dist/lik.objectmap.d.ts
index 2d5ea9e..d2082f2 100644
--- a/dist/lik.objectmap.d.ts
+++ b/dist/lik.objectmap.d.ts
@@ -29,6 +29,10 @@ export declare class Objectmap<T> {
      * find object
      */
     find(findFunction: IObjectmapFindFunction<T>): T;
+    /**
+     * finds a specific element and then removes it
+     */
+    findOneAndRemove(findFunction: any): T;
     /**
      * run function for each item in Objectmap
      */
@@ -37,14 +41,14 @@ export declare class Objectmap<T> {
      * gets an object in the Observablemap and removes it, so it can't be retrieved again
      */
     getOneAndRemove(): T;
-    /**
-     * finds a specific element and then removes it
-     */
-    findOneAndRemove(findFunction: any): T;
     /**
      * returns a cloned array of all the objects currently in the Objectmap
      */
     getArray(): T[];
+    /**
+     * check if Objectmap ist empty
+     */
+    isEmpty(): boolean;
     /**
      * remove object from Objectmap
      */
diff --git a/dist/lik.objectmap.js b/dist/lik.objectmap.js
index 27a1c90..35774e6 100644
--- a/dist/lik.objectmap.js
+++ b/dist/lik.objectmap.js
@@ -42,6 +42,16 @@ class Objectmap {
             return null;
         }
     }
+    /**
+     * finds a specific element and then removes it
+     */
+    findOneAndRemove(findFunction) {
+        let foundElement = this.find(findFunction);
+        if (foundElement) {
+            this.remove(foundElement);
+        }
+        return foundElement;
+    }
     /**
      * run function for each item in Objectmap
      */
@@ -54,22 +64,23 @@ class Objectmap {
     getOneAndRemove() {
         return this.objectArray.shift();
     }
-    /**
-     * finds a specific element and then removes it
-     */
-    findOneAndRemove(findFunction) {
-        let foundElement = this.find(findFunction);
-        if (foundElement) {
-            this.remove(foundElement);
-        }
-        return foundElement;
-    }
     /**
      * returns a cloned array of all the objects currently in the Objectmap
      */
     getArray() {
         return plugins.lodash.cloneDeep(this.objectArray);
     }
+    /**
+     * check if Objectmap ist empty
+     */
+    isEmpty() {
+        if (this.objectArray.length === 0) {
+            return true;
+        }
+        else {
+            return false;
+        }
+    }
     /**
      * remove object from Objectmap
      */
@@ -90,4 +101,4 @@ class Objectmap {
     }
 }
 exports.Objectmap = Objectmap;
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\ No newline at end of file
+//# sourceMappingURL=data:application/json;base64,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
\ No newline at end of file
diff --git a/ts/lik.objectmap.ts b/ts/lik.objectmap.ts
index 268740b..806d26c 100644
--- a/ts/lik.objectmap.ts
+++ b/ts/lik.objectmap.ts
@@ -56,6 +56,17 @@ export class Objectmap<T> {
         }
     }
 
+    /**
+     * finds a specific element and then removes it
+     */
+    findOneAndRemove(findFunction): T {
+        let foundElement = this.find(findFunction)
+        if (foundElement) {
+            this.remove(foundElement)
+        }
+        return foundElement
+    }
+
     /**
      * run function for each item in Objectmap
      */
@@ -70,17 +81,6 @@ export class Objectmap<T> {
         return this.objectArray.shift()
     }
 
-    /**
-     * finds a specific element and then removes it
-     */
-    findOneAndRemove(findFunction): T {
-        let foundElement = this.find(findFunction)
-        if (foundElement) {
-            this.remove(foundElement)
-        }
-        return foundElement
-    }
-
     /**
      * returns a cloned array of all the objects currently in the Objectmap
      */
@@ -88,6 +88,17 @@ export class Objectmap<T> {
         return plugins.lodash.cloneDeep(this.objectArray)
     }
 
+    /**
+     * check if Objectmap ist empty
+     */
+    isEmpty(): boolean {
+        if (this.objectArray.length === 0) {
+            return true
+        } else {
+            return false
+        }
+    }
+
     /**
      * remove object from Objectmap
      */