Update lib to fix an issue with lifecycle hooks

Author: GJordao

src/dev/index.js

@@ -42,6 +42,16 @@ module.exports = {
     }
 
     const proto = class extends HTMLElement {
+      constructor() {
+        super();
+        this.extractedAttributes = extractAttributes(this);
+      }
+
+      static get observedAttributes() {
+        debugger;
+        return this.extractAttributes.values();
+      }
+
       connectedCallback() {
         const webComponentInstance = this;
         let mountPoint = webComponentInstance;
@@ -63,8 +73,8 @@ module.exports = {
 
           retargetEvents(shadowRoot);
         }
-
-        ReactDOM.render(React.cloneElement(app, extractAttributes(webComponentInstance)) , mountPoint, function () {
+      
+        ReactDOM.render(React.cloneElement(app, this.extractedAttributes), mountPoint, function () {
             appInstance = this;
 
             callConstructorHook(webComponentInstance);