From d3e2f3f7f17e09ebd591a6ca10b02e0b6d67edae Mon Sep 17 00:00:00 2001
From: Haoqun Jiang <haoqunjiang@gmail.com>
Date: Fri, 1 Oct 2021 19:25:51 +0800
Subject: [PATCH] fix(plugin-legacy): use terser as the default minifier

fixes #5157
---
 packages/playground/legacy/vite.config.js | 3 ---
 packages/plugin-legacy/index.js           | 8 ++++++++
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/packages/playground/legacy/vite.config.js b/packages/playground/legacy/vite.config.js
index a8fc762cd501a4..3d7d6b37d11451 100644
--- a/packages/playground/legacy/vite.config.js
+++ b/packages/playground/legacy/vite.config.js
@@ -10,9 +10,6 @@ module.exports = {
   ],
 
   build: {
-    // make tests faster
-    minify: false,
-
     rollupOptions: {
       output: {
         chunkFileNames(chunkInfo) {
diff --git a/packages/plugin-legacy/index.js b/packages/plugin-legacy/index.js
index 60f7f4a227ff03..f88b77c5f6a33e 100644
--- a/packages/plugin-legacy/index.js
+++ b/packages/plugin-legacy/index.js
@@ -96,6 +96,14 @@ function viteLegacyPlugin(options = {}) {
     name: 'vite:legacy-generate-polyfill-chunk',
     apply: 'build',
 
+    config() {
+      return {
+        build: {
+          minify: 'terser'
+        }
+      }
+    },
+
     configResolved(config) {
       if (!config.build.ssr && genLegacy && config.build.minify === 'esbuild') {
         throw new Error(