From 834cd25a239bf7e8e3ddc0fab42914d381b687df Mon Sep 17 00:00:00 2001
From: DeMoorJasper <jasperdemoor@gmail.com>
Date: Tue, 7 Aug 2018 16:18:52 -0700
Subject: [PATCH] validate if a postCSS config is an object

---
 src/transforms/postcss.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/transforms/postcss.js b/src/transforms/postcss.js
index 370935674c3..9fefc708b6e 100644
--- a/src/transforms/postcss.js
+++ b/src/transforms/postcss.js
@@ -29,6 +29,11 @@ async function getConfig(asset) {
   }
 
   config = config || {};
+
+  if (typeof config !== 'object') {
+    throw new Error('PostCSS config should be an object.');
+  }
+
   let postcssModulesConfig = {
     getJSON: (filename, json) => (asset.cssModules = json)
   };