From f8cb2586cfd509482705a8bc46ccdee7052dd931 Mon Sep 17 00:00:00 2001
From: Pooya Parsa <pyapar@gmail.com>
Date: Tue, 13 Apr 2021 00:06:27 +0200
Subject: [PATCH] perf(nitro): externalize buildDir in development

TODO: supporting ignore patterns to include/exclude (rootDir but not buildDir)
---
 packages/nitro/src/rollup/config.ts | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/packages/nitro/src/rollup/config.ts b/packages/nitro/src/rollup/config.ts
index 702149adb5..8b58fa9f30 100644
--- a/packages/nitro/src/rollup/config.ts
+++ b/packages/nitro/src/rollup/config.ts
@@ -208,10 +208,14 @@ export const getRollupConfig = (nitroContext: NitroContext) => {
       moduleDirectories,
       ignore: [
         nitroContext._internal.runtimeDir,
-        ...(nitroContext._nuxt.dev ? [] : [nitroContext._nuxt.buildDir]),
-        ...nitroContext.middleware.map(m => m.handle),
-        nitroContext._nuxt.rootDir,
-        nitroContext._nuxt.serverDir
+        ...((!nitroContext._nuxt.dev && [
+          // prod
+          nitroContext._nuxt.srcDir,
+          nitroContext._nuxt.rootDir,
+          nitroContext._nuxt.buildDir
+        ]) || []),
+        nitroContext._nuxt.serverDir,
+        ...nitroContext.middleware.map(m => m.handle)
       ],
       traceOptions: {
         base: nitroContext._nuxt.rootDir