From 1a3c32bb43f5382cb15148dc3b4e94ecb57938dc Mon Sep 17 00:00:00 2001
From: GreLI <grelimail@gmail.com>
Date: Wed, 22 Nov 2017 22:29:55 +0300
Subject: [PATCH] Fix error due to invalid transform. Close #846

---
 plugins/_transforms.js               | 8 +++-----
 test/plugins/convertTransform.04.svg | 2 ++
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/plugins/_transforms.js b/plugins/_transforms.js
index 47c299fb..0b2acc77 100644
--- a/plugins/_transforms.js
+++ b/plugins/_transforms.js
@@ -42,8 +42,8 @@ exports.transform2js = function(transformString) {
         }
     });
 
-    return transforms;
-
+    // return empty array if broken transform (no data)
+    return current && current.data ? transforms : [];
 };
 
 /**
@@ -65,9 +65,7 @@ exports.transformsMultiply = function(transforms) {
     // multiply all matrices into one
     transforms = {
         name: 'matrix',
-        data: transforms.reduce(function(a, b) {
-            return multiplyTransformMatrices(a, b);
-        })
+        data: transforms.length > 0 ? transforms.reduce(multiplyTransformMatrices) : []
     };
 
     return transforms;
diff --git a/test/plugins/convertTransform.04.svg b/test/plugins/convertTransform.04.svg
index 5dcfe219..8ed0af18 100644
--- a/test/plugins/convertTransform.04.svg
+++ b/test/plugins/convertTransform.04.svg
@@ -10,6 +10,7 @@
     <g transform="skewX(0)"/>
     <g transform="skewY(0)"/>
     <g transform="translate(0,-100) translate(0,100)"/>
+    <g transform="rotate(45, 34, 34"/>
 </svg>
 
 @@@
@@ -26,4 +27,5 @@
     <g/>
     <g/>
     <g/>
+    <g/>
 </svg>