fuse-code/src/components/drawing/install-lib.ts

import { App } from "vue";
import VueKonva from "vue-konva";

const installApps = new WeakSet<App>();
export const install = (app: App) => {
  if (installApps.has(app)) return;
  console.error('use vue-konva', VueKonva)
  app.use(VueKonva);
  installApps.add(app);
};