feat: add usePopupState

src/utils/index.ts

@@ -1,5 +1,3 @@
-import { createApp, Component } from 'vue';
-
 export { addUnit, getSizeStyle } from './format/unit';
 export { createNamespace } from './create';
 
@@ -42,18 +40,3 @@ export function pick(obj: Record<string, any>, keys: string[]) {
     return ret;
   }, {} as Record<string, any>);
 }
-
-export function mountComponent(RootComponent: Component) {
-  const app = createApp(RootComponent);
-  const root = document.createElement('div');
-
-  document.body.appendChild(root);
-
-  return {
-    instance: app.mount(root),
-    unmount() {
-      app.unmount(root);
-      document.body.removeChild(root);
-    },
-  };
-}