From 38e9785bdfa1d4e9065dccbb6522297cbe15858d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thorsten=20L=C3=BCnborg?= <t.luenborg@googlemail.com>
Date: Mon, 29 Oct 2018 09:20:22 +0100
Subject: [PATCH] fix(wc): don't overwrite user-defined externals

---
 packages/@vue/cli-service/lib/commands/build/resolveWcConfig.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/packages/@vue/cli-service/lib/commands/build/resolveWcConfig.js b/packages/@vue/cli-service/lib/commands/build/resolveWcConfig.js
index 212fd39de0..f852bebfb2 100644
--- a/packages/@vue/cli-service/lib/commands/build/resolveWcConfig.js
+++ b/packages/@vue/cli-service/lib/commands/build/resolveWcConfig.js
@@ -56,6 +56,7 @@ module.exports = (api, { target, entry, name }) => {
     // externalize Vue in case user imports it
     config
       .externals({
+        ...config.get('externals'),
         vue: 'Vue'
       })