From e5a9c8926fc2ef978118305653d406776c15ccba Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Patrick=20Heller=20=F0=9F=92=A9?= <ph@wacg.de>
Date: Fri, 3 Nov 2017 20:52:16 +0100
Subject: [PATCH 1/5] remove empty media queries

---
 __tests__/sanity.test.js               | 8 ++++++++
 src/lib/substituteResponsiveAtRules.js | 6 +++++-
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/__tests__/sanity.test.js b/__tests__/sanity.test.js
index 516d425f6..d79bcee57 100644
--- a/__tests__/sanity.test.js
+++ b/__tests__/sanity.test.js
@@ -17,3 +17,11 @@ it('generates the right CSS', () => {
       expect(result.css).toBe(expected)
     })
 })
+
+it('Does not add something if not used at all', () => {
+  return postcss([tailwind()])
+    .process('')
+    .then(result => {
+      expect(result.css).toBe('')
+    })
+})
\ No newline at end of file
diff --git a/src/lib/substituteResponsiveAtRules.js b/src/lib/substituteResponsiveAtRules.js
index 98b306c3f..9e69e9aba 100644
--- a/src/lib/substituteResponsiveAtRules.js
+++ b/src/lib/substituteResponsiveAtRules.js
@@ -29,7 +29,11 @@ export default function(config) {
           return cloned
         })
       )
-      css.append(mediaQuery)
+
+      if(mediaQuery.nodes.length) {
+        // do not add media query without any rules or comments
+        css.append(mediaQuery)
+      }
     })
   }
 }

From 30eb373e2b290006d612ee54dfd508b8a939cdf3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Patrick=20Heller=20=F0=9F=92=A9?= <ph@wacg.de>
Date: Fri, 3 Nov 2017 21:46:19 +0100
Subject: [PATCH 2/5] better name for test

---
 __tests__/sanity.test.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/__tests__/sanity.test.js b/__tests__/sanity.test.js
index d79bcee57..979c09b02 100644
--- a/__tests__/sanity.test.js
+++ b/__tests__/sanity.test.js
@@ -18,7 +18,7 @@ it('generates the right CSS', () => {
     })
 })
 
-it('Does not add something if not used at all', () => {
+it('Do not change css if tailwind is not used at all', () => {
   return postcss([tailwind()])
     .process('')
     .then(result => {

From 5626feb2125f9833d85f9562a1e944cc63d21f44 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Patrick=20Heller=20=F0=9F=92=A9?= <ph@wacg.de>
Date: Fri, 3 Nov 2017 23:09:59 +0100
Subject: [PATCH 3/5] add newline

---
 __tests__/sanity.test.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/__tests__/sanity.test.js b/__tests__/sanity.test.js
index 979c09b02..007f5c79a 100644
--- a/__tests__/sanity.test.js
+++ b/__tests__/sanity.test.js
@@ -24,4 +24,4 @@ it('Do not change css if tailwind is not used at all', () => {
     .then(result => {
       expect(result.css).toBe('')
     })
-})
\ No newline at end of file
+})

From 8a42f279f6569642561ed89aed0644b7a42c24db Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Patrick=20Heller=20=F0=9F=92=A9?= <ph@wacg.de>
Date: Fri, 3 Nov 2017 23:10:53 +0100
Subject: [PATCH 4/5] code style and remove comment

---
 src/lib/substituteResponsiveAtRules.js | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/lib/substituteResponsiveAtRules.js b/src/lib/substituteResponsiveAtRules.js
index 9e69e9aba..9f2ec7b76 100644
--- a/src/lib/substituteResponsiveAtRules.js
+++ b/src/lib/substituteResponsiveAtRules.js
@@ -30,8 +30,7 @@ export default function(config) {
         })
       )
 
-      if(mediaQuery.nodes.length) {
-        // do not add media query without any rules or comments
+      if (mediaQuery.nodes.length) {
         css.append(mediaQuery)
       }
     })

From 004fa09435e6561143be64ea4721b0fadbe33e90 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Patrick=20Heller=20=F0=9F=92=A9?= <ph@wacg.de>
Date: Fri, 3 Nov 2017 23:11:44 +0100
Subject: [PATCH 5/5] rename test

---
 __tests__/sanity.test.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/__tests__/sanity.test.js b/__tests__/sanity.test.js
index 007f5c79a..d452f6257 100644
--- a/__tests__/sanity.test.js
+++ b/__tests__/sanity.test.js
@@ -18,7 +18,7 @@ it('generates the right CSS', () => {
     })
 })
 
-it('Do not change css if tailwind is not used at all', () => {
+it('does not add any CSS if no Tailwind features are used', () => {
   return postcss([tailwind()])
     .process('')
     .then(result => {