From 6a41a441a6d8dd8a3924e3f6ee022117b1163cc9 Mon Sep 17 00:00:00 2001
From: bac-joker <haizekuo@gmail.com>
Date: Thu, 4 Mar 2021 10:52:55 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20copy=20=E6=B2=A1=E6=9C=89public=E5=BC=82?=
 =?UTF-8?q?=E5=B8=B8?=
MIME-Version: 1.0
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---
 .../src/plugins/commands/webpackConfig/index.js      | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/packages/fes-preset-built-in/src/plugins/commands/webpackConfig/index.js b/packages/fes-preset-built-in/src/plugins/commands/webpackConfig/index.js
index e3b14d8b..dcbcb39f 100644
--- a/packages/fes-preset-built-in/src/plugins/commands/webpackConfig/index.js
+++ b/packages/fes-preset-built-in/src/plugins/commands/webpackConfig/index.js
@@ -250,11 +250,13 @@ export default async function getConfig({
         };
     }))].filter(Boolean);
     // const publicCopyIgnore = ['.DS_Store'];
-    webpackConfig
-        .plugin('copy')
-        .use(require.resolve('copy-webpack-plugin'), [{
-            patterns: copyPatterns
-        }]);
+    if (copyPatterns.length) {
+        webpackConfig
+            .plugin('copy')
+            .use(require.resolve('copy-webpack-plugin'), [{
+                patterns: copyPatterns
+            }]);
+    }
 
     // --------------- define -----------
     createDefineWebpackConfig({