From b73ee7b9cf7f280ba7adb4cdad8e9cb2334e158c Mon Sep 17 00:00:00 2001
From: Artur Arseniev <artur.catch@hotmail.it>
Date: Thu, 14 Jun 2018 23:52:42 +0200
Subject: [PATCH] Add the possibility to not clear style in CSS export via
 options

---
 src/code_manager/model/CssGenerator.js | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/code_manager/model/CssGenerator.js b/src/code_manager/model/CssGenerator.js
index 1904449cf..5f01c4d29 100644
--- a/src/code_manager/model/CssGenerator.js
+++ b/src/code_manager/model/CssGenerator.js
@@ -1,3 +1,5 @@
+import { isUndefined } from 'underscore';
+
 module.exports = require('backbone').Model.extend({
   initialize() {
     this.compCls = [];
@@ -40,6 +42,10 @@ module.exports = require('backbone').Model.extend({
     this.compCls = [];
     this.ids = [];
     var code = this.buildFromModel(model, opts);
+    const clearStyles =
+      isUndefined(opts.clearStyles) && em
+        ? em.getConfig('clearStyles')
+        : opts.clearStyles;
 
     if (cssc) {
       const rules = cssc.getAll();
@@ -75,7 +81,7 @@ module.exports = require('backbone').Model.extend({
         }
       }
 
-      em && em.getConfig('clearStyles') && rules.remove(dump);
+      em && clearStyles && rules.remove(dump);
     }
 
     return code;