Element-Zustandsverwaltung über reaktiven WeakMap-Speicher

import { customRef } from 'vue';
 
const elementMeta = new WeakMap();
 
export function useElementMetadata(targetEl) {
  if (!elementMeta.has(targetEl)) {
    elementMeta.set(targetEl, { clickCount: 0 });
  }
  return customRef((track, trigger) => ({
    get() {
      track();
      return elementMeta.get(targetEl);
    },
    set(newValue) {
      elementMeta.set(targetEl, newValue);
      trigger();
    }
  }));
}