diff --git a/src/node/build/build.ts b/src/node/build/build.ts
index 1f193323..7f5d9b9f 100644
--- a/src/node/build/build.ts
+++ b/src/node/build/build.ts
@@ -45,7 +45,10 @@ export async function build(
       const appChunk =
         clientResult &&
         (clientResult.output.find(
-          (chunk) => chunk.type === 'chunk' && chunk.isEntry
+          (chunk) =>
+            chunk.type === 'chunk' &&
+            chunk.isEntry &&
+            chunk.facadeModuleId?.endsWith('.js')
         ) as OutputChunk)
 
       const cssChunk = (
diff --git a/src/node/build/bundle.ts b/src/node/build/bundle.ts
index a3765d40..1ec51b37 100644
--- a/src/node/build/bundle.ts
+++ b/src/node/build/bundle.ts
@@ -38,70 +38,70 @@ export async function bundle(
   // resolve options to pass to vite
   const { rollupOptions } = options
 
-  const resolveViteConfig = async (ssr: boolean): Promise<ViteUserConfig> => {
-    // use different entry based on ssr or not
-    input['app'] = path.resolve(APP_PATH, ssr ? 'ssr.js' : 'index.js')
-    return {
-      root: config.srcDir,
-      base: config.site.base,
-      logLevel: 'warn',
-      plugins: await createVitePressPlugin(
-        config,
-        ssr,
-        pageToHashMap,
-        clientJSMap
-      ),
-      ssr: {
-        noExternal: ['vitepress', '@docsearch/css']
-      },
-      build: {
-        ...options,
-        emptyOutDir: true,
-        ssr,
-        outDir: ssr ? config.tempDir : config.outDir,
-        cssCodeSplit: false,
-        rollupOptions: {
-          ...rollupOptions,
-          input,
-          // important so that each page chunk and the index export things for each
-          // other
-          preserveEntrySignatures: 'allow-extension',
-          output: {
-            ...rollupOptions?.output,
-            ...(ssr
-              ? {
-                  entryFileNames: `[name].js`,
-                  chunkFileNames: `[name].[hash].js`
-                }
-              : {
-                  chunkFileNames(chunk) {
-                    // avoid ads chunk being intercepted by adblock
-                    return /(?:Carbon|BuySell)Ads/.test(chunk.name)
-                      ? `assets/chunks/ui-custom.[hash].js`
-                      : `assets/chunks/[name].[hash].js`
-                  },
-                  manualChunks(id, ctx) {
-                    // move known framework code into a stable chunk so that
-                    // custom theme changes do not invalidate hash for all pages
-                    if (id.includes('plugin-vue:export-helper')) {
-                      return 'framework'
-                    }
-                    if (
-                      isEagerChunk(id, ctx) &&
-                      (/@vue\/(runtime|shared|reactivity)/.test(id) ||
-                        /vitepress\/dist\/client/.test(id))
-                    ) {
-                      return 'framework'
-                    }
-                  }
-                })
-          }
+  const resolveViteConfig = async (ssr: boolean): Promise<ViteUserConfig> => ({
+    root: config.srcDir,
+    base: config.site.base,
+    logLevel: 'warn',
+    plugins: await createVitePressPlugin(
+      config,
+      ssr,
+      pageToHashMap,
+      clientJSMap
+    ),
+    ssr: {
+      noExternal: ['vitepress', '@docsearch/css']
+    },
+    build: {
+      ...options,
+      emptyOutDir: true,
+      ssr,
+      outDir: ssr ? config.tempDir : config.outDir,
+      cssCodeSplit: false,
+      rollupOptions: {
+        ...rollupOptions,
+        input: {
+          ...input,
+          // use different entry based on ssr or not
+          app: path.resolve(APP_PATH, ssr ? 'ssr.js' : 'index.js')
         },
-        // minify with esbuild in MPA mode (for CSS)
-        minify: ssr ? (config.mpa ? 'esbuild' : false) : !process.env.DEBUG
-      }
+        // important so that each page chunk and the index export things for each
+        // other
+        preserveEntrySignatures: 'allow-extension',
+        output: {
+          ...rollupOptions?.output,
+          ...(ssr
+            ? {
+                entryFileNames: `[name].js`,
+                chunkFileNames: `[name].[hash].js`
+              }
+            : {
+                chunkFileNames(chunk) {
+                  // avoid ads chunk being intercepted by adblock
+                  return /(?:Carbon|BuySell)Ads/.test(chunk.name)
+                    ? `assets/chunks/ui-custom.[hash].js`
+                    : `assets/chunks/[name].[hash].js`
+                },
+                manualChunks(id, ctx) {
+                  // move known framework code into a stable chunk so that
+                  // custom theme changes do not invalidate hash for all pages
+                  if (id.includes('plugin-vue:export-helper')) {
+                    return 'framework'
+                  }
+                  if (
+                    isEagerChunk(id, ctx) &&
+                    (/@vue\/(runtime|shared|reactivity)/.test(id) ||
+                      /vitepress\/dist\/client/.test(id))
+                  ) {
+                    return 'framework'
+                  }
+                }
+              })
+        }
+      },
+      // minify with esbuild in MPA mode (for CSS)
+      minify: ssr ? (config.mpa ? 'esbuild' : false) : !process.env.DEBUG
     }
-  }
+  })
 
   let clientResult: RollupOutput
   let serverResult: RollupOutput