From 8e6e72f53a419340f6906b17b0c16fa19a748e81 Mon Sep 17 00:00:00 2001
From: Jan Klaas Kollhof <jan@kollhof.net>
Date: Wed, 26 Sep 2018 18:29:53 +1000
Subject: [PATCH] fix(loader): Handle null sourcemaps.

Webpack may send `null` as sourcemaps, which is now treated as no sourcmap instead of failing.
---
 src/code-split.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/code-split.js b/src/code-split.js
index 723bae6..bd8e5b6 100644
--- a/src/code-split.js
+++ b/src/code-split.js
@@ -207,10 +207,10 @@ const isHydratable = (hydratablePropPath)=> (
 );
 
 
-const getAst = (source, inputSourceMap)=> (
+const getAst = (source, sourceMap)=> (
   parse(source, {
     sourceType: 'module',
-    inputSourceMap
+    inputSourceMap: sourceMap || false
   })
 );