From 60e1bbba47c2ea84d02e0cd41dcd985159f542e0 Mon Sep 17 00:00:00 2001
From: dragonHandsome <61896951+dragonHandsome@users.noreply.github.com>
Date: Mon, 11 Oct 2021 21:17:44 +0800
Subject: [PATCH] fix(plugin-legacy): fail to get the fileName

fileName could not be obtained in the bundle argument of the writeBundle hook, see: https://rollupjs.org/guide/en/#writebundle
---
 packages/plugin-legacy/index.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/plugin-legacy/index.js b/packages/plugin-legacy/index.js
index bfa6ee491bcbf6..50462a5e5ad524 100644
--- a/packages/plugin-legacy/index.js
+++ b/packages/plugin-legacy/index.js
@@ -593,7 +593,7 @@ async function buildPolyfillChunk(
   }
 
   // add the chunk to the bundle
-  bundle[polyfillChunk.name] = polyfillChunk
+  bundle[polyfillChunk.fileName] = polyfillChunk
 }
 
 const polyfillId = 'vite/legacy-polyfills'