diff --git a/.gitignore b/.gitignore
index 9b1a20c9..763accc2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,6 +2,5 @@
 node_modules
 dist
 TODOs.md
-playground
 *.log
 test/temp
diff --git a/lib/app/composables/siteData.js b/lib/app/composables/siteData.js
index b3d171b3..ad3b6f39 100644
--- a/lib/app/composables/siteData.js
+++ b/lib/app/composables/siteData.js
@@ -1,5 +1,5 @@
 import serialized from '@siteData'
-import { hot } from '@hmr'
+import { hot } from 'vite/hmr'
 import { ref, readonly } from 'vue'
 
 /**
diff --git a/lib/app/index.js b/lib/app/index.js
index 2a141f9e..825503f3 100644
--- a/lib/app/index.js
+++ b/lib/app/index.js
@@ -6,7 +6,7 @@ import { pageDataSymbol } from './composables/pageData'
 import { Content } from './components/Content'
 import Debug from './components/Debug.vue'
 import Theme from '/@theme/index'
-import { hot } from '@hmr'
+import { hot } from 'vite/hmr'
 
 const inBrowser = typeof window !== 'undefined'
 
diff --git a/lib/shim.d.ts b/lib/shim.d.ts
index 8a94277a..09299509 100644
--- a/lib/shim.d.ts
+++ b/lib/shim.d.ts
@@ -1,19 +1,12 @@
 declare const __DEV__: boolean
 
-declare module "*.vue" {
+declare module '*.vue' {
   import { ComponentOptions } from 'vue'
   const comp: ComponentOptions
   export default comp
 }
 
-declare module "@siteData" {
+declare module '@siteData' {
   const data: string
   export default data
 }
-
-declare module "@hmr" {
-  export declare const hot: {
-    accept(path: string, cb: (module: any) => void)
-    on(event: string, cb: (data: any) => void)
-  }
-}
diff --git a/src/build/build.ts b/src/build/build.ts
index 5ff1a2b9..00610b9b 100644
--- a/src/build/build.ts
+++ b/src/build/build.ts
@@ -1,6 +1,6 @@
 import fs from 'fs-extra'
 import { bundle } from './bundle'
-import { BuildOptions as ViteBuildOptions } from 'vite'
+import { BuildConfig as ViteBuildOptions } from 'vite'
 import { resolveConfig } from '../config'
 import { renderPage } from './render'
 
diff --git a/src/build/bundle.ts b/src/build/bundle.ts
index 4b46b103..852bce2b 100644
--- a/src/build/bundle.ts
+++ b/src/build/bundle.ts
@@ -9,7 +9,7 @@ import { createMarkdownToVueRenderFn } from '../markdownToVue'
 import {
   build,
   ssrBuild,
-  BuildOptions as ViteBuildOptions,
+  BuildConfig as ViteBuildOptions,
   BuildResult
 } from 'vite'
 
@@ -70,7 +70,6 @@ export async function bundle(
   const { rollupInputOptions = {}, rollupOutputOptions = {} } = options
   const viteOptions: ViteBuildOptions = {
     ...options,
-    cdn: false,
     resolvers: [resolver],
     outDir: config.outDir,
     assetsDir: ASSETS_DIR,
diff --git a/src/server.ts b/src/server.ts
index a3fc0198..6674cbd2 100644
--- a/src/server.ts
+++ b/src/server.ts
@@ -2,8 +2,8 @@ import path from 'path'
 import {
   createServer as createViteServer,
   cachedRead,
-  Plugin,
-  ServerConfig
+  ServerConfig,
+  ServerPlugin
 } from 'vite'
 import { resolveConfig, SiteConfig, resolveSiteData } from './config'
 import { createMarkdownToVueRenderFn } from './markdownToVue'
@@ -16,7 +16,7 @@ function createVitePressPlugin({
   themeDir,
   configPath,
   site: initialSiteData
-}: SiteConfig): Plugin {
+}: SiteConfig): ServerPlugin {
   return ({ app, root, watcher, resolver }) => {
     const markdownToVue = createMarkdownToVueRenderFn(root)
 
diff --git a/src/utils/pathResolver.ts b/src/utils/pathResolver.ts
index e7b5e98b..2b1be20e 100644
--- a/src/utils/pathResolver.ts
+++ b/src/utils/pathResolver.ts
@@ -1,11 +1,15 @@
 import path from 'path'
-import { Resolver } from "vite"
+import { Resolver } from 'vite'
 
 // built ts files are placed into /dist
 export const APP_PATH = path.join(__dirname, '../../lib/app')
 
 // special virtual file
-export const SITE_DATA_REQUEST_PATH = '/@siteData'
+// we can't directly import '/@siteData' becase
+// - it's not an actual file so we can't use tsconfig paths to redirect it
+// - TS doesn't allow shimming a module that starts with '/'
+export const SITE_DATA_ID = '@siteData'
+export const SITE_DATA_REQUEST_PATH = '/' + SITE_DATA_ID
 
 // this is a path resolver that is passed to vite
 // so that we can resolve custom requests that start with /@app or /@theme
@@ -35,10 +39,13 @@ export function createResolver(themeDir: string): Resolver {
         return SITE_DATA_REQUEST_PATH
       }
     },
-    idToRequest(id) {
+    alias(id) {
       if (id === 'vitepress') {
         return '/@app/exports.js'
       }
+      if (id === SITE_DATA_ID) {
+        return SITE_DATA_REQUEST_PATH
+      }
     }
   }
 }