Nuxt/packages/nuxt/src/components/runtime/client-component.ts

import { defineAsyncComponent, defineComponent, h } from 'vue'
import type { AsyncComponentLoader } from 'vue'
import ClientOnly from '#app/components/client-only'

/* @__NO_SIDE_EFFECTS__ */
export const createClientPage = (loader: AsyncComponentLoader) => {
  const page = defineAsyncComponent(import.meta.dev
    ? () => loader().then((m) => {
        // mark component as client-only for `definePageMeta`
        (m.default || m).__clientOnlyPage = true
        return m.default || m
      })
    : loader)

  return defineComponent({
    inheritAttrs: false,
    setup (_, { attrs }) {
      return () => h('div', [
        h(ClientOnly, undefined, {
          default: () => h(page, attrs),
        }),
      ])
    },
  })
}