From 6d503a1a15d59350e3e52db65a640ee512e0024b Mon Sep 17 00:00:00 2001
From: FoxxMD <FoxxMD@users.noreply.github.com>
Date: Wed, 24 Jun 2026 14:13:19 +0000
Subject: [PATCH] fix(storybook): Fix duplicate msw workers due to vite hot
 reload

---
 .storybook/preview.ts | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/.storybook/preview.ts b/.storybook/preview.ts
index 7c6ea2b7..a624f599 100644
--- a/.storybook/preview.ts
+++ b/.storybook/preview.ts
@@ -3,9 +3,14 @@ import addonA11y from "@storybook/addon-a11y";
 import { definePreview } from "@storybook/react-vite";
 
 import { themes } from 'storybook/theming';
-import { initialize, mswLoader } from 'msw-storybook-addon';
+import { initialize, mswLoader, getWorker } from 'msw-storybook-addon';
 
-initialize();
+// https://github.com/mswjs/msw-storybook-addon/issues/82#issuecomment-3894302575
+try {
+  getWorker();
+} catch (_) {
+  initialize();
+}
 
 export default definePreview({
   loaders: [mswLoader],