From 14f43da9b2ef61afec30cbf2998ed4b91342b246 Mon Sep 17 00:00:00 2001
From: Jonas Galvez <jonasgalvez@gmail.com>
Date: Fri, 1 Feb 2019 11:31:16 -0200
Subject: [PATCH] fix: serialize external function (#4916)

---
 packages/utils/src/serialize.js | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/packages/utils/src/serialize.js b/packages/utils/src/serialize.js
index d04bd31194..1ce3f17490 100644
--- a/packages/utils/src/serialize.js
+++ b/packages/utils/src/serialize.js
@@ -1,4 +1,3 @@
-
 import serialize from 'serialize-javascript'
 
 export function serializeFunction(func) {
@@ -15,7 +14,7 @@ export function serializeFunction(func) {
         return _
       }
     })
-    .replace(`${func.name}(`, 'function (')
+    .replace(`${func.name || 'function'}(`, 'function (')
 }
 
 serializeFunction.internalFunctionRE = /^(\s*)(?!(?:if)|(?:for)|(?:while)|(?:switch))(\w+)\s*\((.*?)\)\s*\{/gm