From f76113ee31992221374d85d6afbdbf2fc0119849 Mon Sep 17 00:00:00 2001
From: FrediL <1583084+FrediL@users.noreply.github.com>
Date: Fri, 4 May 2018 14:57:01 +0200
Subject: [PATCH] Use synchronous version of writeFile in extract-css

We are never waiting for async writeFile to complete. This can sometimes result in empty file.
---
 plugins/extract-css.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/plugins/extract-css.js b/plugins/extract-css.js
index e3331e9..ac81908 100644
--- a/plugins/extract-css.js
+++ b/plugins/extract-css.js
@@ -18,7 +18,7 @@ module.exports = function (b, opts) {
         outPath.write(css)
         outPath.end()
       } else if (typeof outPath === 'string') {
-        fs.writeFile(outPath, css, function () {})
+        fs.writeFileSync(outPath, css)
       }
     })
   })