Update src/core/basepattern.js

Co-authored-by: Peter Mathis <petschki@users.noreply.github.com>

Author: thet

src/core/basepattern.js

@@ -105,11 +105,12 @@ class BasePattern {
     }
 
     emit_update(action = undefined, options = {}) {
-        options = Object.assign({
+        options = {
             pattern: this.name,
             dom: this.el,
             action: action,
-        }, options);
+            ...options,
+        }
         this.el.dispatchEvent(events.update_event(options));
     }