From f5e8c746395c44928572834afae27a31b5f37367 Mon Sep 17 00:00:00 2001
From: Adam Wathan <adam.wathan@gmail.com>
Date: Fri, 22 Mar 2019 13:13:39 -0400
Subject: [PATCH] Don't mutate variants in user's config

---
 __tests__/resolveConfig.test.js | 8 +++++++-
 src/util/resolveConfig.js       | 2 +-
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/__tests__/resolveConfig.test.js b/__tests__/resolveConfig.test.js
index e75b47b79..58cadc288 100644
--- a/__tests__/resolveConfig.test.js
+++ b/__tests__/resolveConfig.test.js
@@ -836,6 +836,9 @@ test('the original theme is not mutated', () => {
         },
       },
     },
+    variants: {
+      borderColor: ['responsive', 'hover'],
+    }
   }
 
   const defaultConfig = {
@@ -850,7 +853,7 @@ test('the original theme is not mutated', () => {
       },
     },
     variants: {
-      borderColor: ['responsive', 'hover', 'focus'],
+      backgroundColor: ['responsive', 'hover', 'focus'],
     },
   }
 
@@ -864,5 +867,8 @@ test('the original theme is not mutated', () => {
         },
       },
     },
+    variants: {
+      borderColor: ['responsive', 'hover'],
+    }
   })
 })
diff --git a/src/util/resolveConfig.js b/src/util/resolveConfig.js
index 10eefc0ef..58c080eb6 100644
--- a/src/util/resolveConfig.js
+++ b/src/util/resolveConfig.js
@@ -39,7 +39,7 @@ export default function resolveConfig(configs) {
   return defaults(
     {
       theme: resolveFunctionKeys(mergeExtensions(defaults({}, ...map(configs, 'theme')))),
-      variants: defaults(...map(configs, 'variants')),
+      variants: defaults({}, ...map(configs, 'variants')),
     },
     ...configs
   )