fix: memory leak on component unmounting

reference and proxy to the components where preventing GC
fix for #23

src/render/react/core/reconciler/index.js

@@ -53,7 +53,6 @@ const HostConfig = {
  workInProgress,
  uid,
  );
- instanceMap[uid] = instance;
  return instance;
  },
  createTextInstance: (
@@ -124,12 +123,16 @@ const HostConfig = {
  commitTextUpdate(textInstance, oldText, newText) {
  textInstance.setText(newText);
  },
+ detachDeletedInstance: (instance) => {
+ unRegistEvent(instance.uid);
+ instanceMap.delete(instance.uid);
+ instance.style = null; // Proxy preventing GC
+ },
  removeChild(parent, child) {
  parent?.removeChild(child);
- unRegistEvent(child.uid);
- delete instanceMap[child.uid];
  },
  commitMount: function (instance, type, newProps, internalInstanceHandle) {
+ instanceMap.set(instance.uid, instance);
  const { commitMount } = getComponentByTagName(type);
  return commitMount(instance, newProps, internalInstanceHandle);
  },