From c231f5696958c282f11b18c063bfe7d0d295da91 Mon Sep 17 00:00:00 2001
From: Brandon Roberts <robertsbt@gmail.com>
Date: Thu, 21 Sep 2023 08:42:42 -0500
Subject: [PATCH] fix(vite-plugin-nitro): enable prerendering of root
 index.html (#663)

---
 packages/vite-plugin-nitro/src/lib/build-server.ts    | 11 +++++++++++
 .../vite-plugin-nitro/src/lib/vite-plugin-nitro.ts    |  1 -
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/packages/vite-plugin-nitro/src/lib/build-server.ts b/packages/vite-plugin-nitro/src/lib/build-server.ts
index 259c28fef..12e1522ee 100644
--- a/packages/vite-plugin-nitro/src/lib/build-server.ts
+++ b/packages/vite-plugin-nitro/src/lib/build-server.ts
@@ -1,4 +1,5 @@
 import { NitroConfig } from 'nitropack';
+import * as fs from 'fs';
 
 import { Options } from './options';
 import { addPostRenderingHooks } from './hooks/post-rendering-hook';
@@ -24,6 +25,16 @@ export async function buildServer(
   await prepare(nitro);
   await copyPublicAssets(nitro);
 
+  if (
+    nitroConfig?.prerender?.routes &&
+    nitroConfig?.prerender?.routes.find((route) => route === '/')
+  ) {
+    // Remove the root index.html so it can be replaced with the prerendered version
+    if (fs.existsSync(`${nitroConfig?.output?.publicDir}/index.html`)) {
+      fs.unlinkSync(`${nitroConfig?.output?.publicDir}/index.html`);
+    }
+  }
+
   console.log(`Prerendering static pages...`);
   await prerender(nitro);
 
diff --git a/packages/vite-plugin-nitro/src/lib/vite-plugin-nitro.ts b/packages/vite-plugin-nitro/src/lib/vite-plugin-nitro.ts
index d9963c691..a56b48bb5 100644
--- a/packages/vite-plugin-nitro/src/lib/vite-plugin-nitro.ts
+++ b/packages/vite-plugin-nitro/src/lib/vite-plugin-nitro.ts
@@ -168,7 +168,6 @@ export function nitro(options?: Options, nitroOptions?: NitroConfig): Plugin[] {
             ...nitroConfig,
           });
           const server = createDevServer(nitro);
-          await prepare(nitro);
           await build(nitro);
           viteServer.middlewares.use(apiPrefix, toNodeListener(server.app));