From 642cf4038a1fd2df73c0c8d108316b2e20bf3f2f Mon Sep 17 00:00:00 2001
From: Pooya Parsa <pooya@pi0.ir>
Date: Sat, 13 Jan 2018 00:29:27 +0330
Subject: [PATCH] fix: regression with module.addVendor with array. fixes
 #2574.

---
 lib/core/module.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/core/module.js b/lib/core/module.js
index 0a87757d37..704afc2853 100755
--- a/lib/core/module.js
+++ b/lib/core/module.js
@@ -24,8 +24,8 @@ module.exports = class ModuleContainer {
 
   addVendor(vendor) {
     /* istanbul ignore if */
-    if (!vendor || typeof vendor !== 'string') {
-      throw new Error('Invalid vendor:' + vendor)
+    if (typeof vendor !== 'string' && !Array.isArray(vendor)) {
+      throw new Error('Invalid vendor: ' + vendor)
     }
 
     this.options.build.vendor = uniq(this.options.build.vendor.concat(vendor))