From 1307cd3ed491275326b602b0ab81bc66a18a5bf1 Mon Sep 17 00:00:00 2001
From: Norbert de Langen <ndelangen@me.com>
Date: Mon, 19 Feb 2024 10:12:57 +0100
Subject: [PATCH] resolve
 https://github.com/storybookjs/storybook/pull/25934#pullrequestreview-1881973378

---
 .../lib/cli/src/automigrate/fixes/vite-config-file.ts | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/code/lib/cli/src/automigrate/fixes/vite-config-file.ts b/code/lib/cli/src/automigrate/fixes/vite-config-file.ts
index 1719035fc220..63fdb659d4d6 100644
--- a/code/lib/cli/src/automigrate/fixes/vite-config-file.ts
+++ b/code/lib/cli/src/automigrate/fixes/vite-config-file.ts
@@ -14,7 +14,7 @@ export const viteConfigFile = {
   id: 'viteConfigFile',
 
   async check({ mainConfig, packageManager }) {
-    const viteConfigPath = await findUp([
+    let viteConfigPath = await findUp([
       'vite.config.js',
       'vite.config.mjs',
       'vite.config.cjs',
@@ -45,6 +45,15 @@ export const viteConfigFile = {
 
     const rendererName = frameworkToRenderer[frameworkName as keyof typeof frameworkToRenderer];
 
+    if (
+      !viteConfigFile &&
+      mainConfig.core?.builder &&
+      typeof mainConfig.core?.builder !== 'string' &&
+      mainConfig.core?.builder.options
+    ) {
+      viteConfigPath = mainConfig.core?.builder.options.viteConfigPath;
+    }
+
     if (!viteConfigPath && isUsingViteBuilder) {
       const plugins = [];