From 71d2bbd42a9bd07e2fe3604e135b04d820732a57 Mon Sep 17 00:00:00 2001
From: qiang <guoshengqiang@live.com>
Date: Mon, 1 Aug 2022 11:17:48 +0800
Subject: [PATCH] fix(mp): webpack5 use CssMinimizerPlugin

---
 packages/vue-cli-plugin-uni/lib/mp/index.js | 41 ++++++++++++---------
 1 file changed, 24 insertions(+), 17 deletions(-)

diff --git a/packages/vue-cli-plugin-uni/lib/mp/index.js b/packages/vue-cli-plugin-uni/lib/mp/index.js
index a88e10ca5..e14533250 100644
--- a/packages/vue-cli-plugin-uni/lib/mp/index.js
+++ b/packages/vue-cli-plugin-uni/lib/mp/index.js
@@ -300,23 +300,30 @@ ${globalEnv}.__webpack_require_UNI_MP_PLUGIN__ = __webpack_require__;`
       process.env.NODE_ENV === 'production' &&
       process.env.UNI_PLATFORM !== 'app-plus'
     ) {
-      const OptimizeCssnanoPlugin = require('../../packages/@intervolga/optimize-cssnano-plugin/index.js')
-      webpackConfig.plugin('optimize-css')
-        .init((Plugin, args) => new OptimizeCssnanoPlugin({
-          sourceMap: false,
-          filter (assetName) {
-            return path.extname(assetName) === styleExt
-          },
-          cssnanoOptions: {
-            preset: [
-              'default',
-              Object.assign({}, getPlatformCssnano(), {
-                discardComments: true
-              })
-            ]
-          }
-
-        }))
+      // webpack5 不再使用 OptimizeCssnanoPlugin，改用 CssMinimizerPlugin
+      if (webpack.version[0] > 4) {
+        webpackConfig.optimization.minimizer('css').tap(args => {
+          args[0].test = new RegExp(`\\${styleExt}$`)
+          return args
+        })
+      } else {
+        const OptimizeCssnanoPlugin = require('../../packages/@intervolga/optimize-cssnano-plugin/index.js')
+        webpackConfig.plugin('optimize-css')
+          .init((Plugin, args) => new OptimizeCssnanoPlugin({
+            sourceMap: false,
+            filter (assetName) {
+              return path.extname(assetName) === styleExt
+            },
+            cssnanoOptions: {
+              preset: [
+                'default',
+                Object.assign({}, getPlatformCssnano(), {
+                  discardComments: true
+                })
+              ]
+            }
+          }))
+      }
     }
 
     if (process.env.UNI_SUBPACKGE || process.env.UNI_MP_PLUGIN) {
-- 
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