// https://vitepress.dev/guide/custom-theme import { h } from "vue"; import type { Theme } from "vitepress"; import DefaultTheme from "vitepress/theme"; import "./style.css"; import NotFoundLayout from "./NotFoundLayout.vue"; export default { extends: DefaultTheme, Layout() { return h(DefaultTheme.Layout, null, { "not-found": () => h(NotFoundLayout) }); }, enhanceApp({ app, router, siteData }) { // ... } } satisfies Theme;