const instrumentedApps = /* @__PURE__ */ new WeakSet();
function createRootViewModel() {
  const vm = { $props: {} };
  vm.$root = vm;
  return vm;
}
function instrumentAppMountWithoutMixin(app, mixins) {
  if (instrumentedApps.has(app)) {
    return;
  }
  const appWithMount = app;
  const originalMount = appWithMount.mount;
  if (typeof originalMount !== "function") {
    return;
  }
  const vm = createRootViewModel();
  instrumentedApps.add(app);
  const mountHooks = mixins;
  appWithMount.mount = function(...args) {
    mountHooks.beforeMount?.call(vm);
    try {
      return originalMount.apply(this, args);
    } finally {
      mountHooks.mounted?.call(vm);
    }
  };
}

export { instrumentAppMountWithoutMixin };
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