Make parsing a <transform-list> more robust in the face of IE11

which doesn't use commas (',') to delimit matrix elements. see also:
http://www.w3.org/TR/SVG11/coords.html#SVGGlobalTransformAttribute

3 files changed, 5 insertions, 2 deletions

diff --git a/src/helpers.js b/src/helpers.js
index 7fe9f7a..f3a36b9 100644
--- a/src/helpers.js
+++ b/src/helpers.js
@@ -72,7 +72,7 @@ function stringToMatrix(source) {
   source = source
     .replace(SVG.regex.whitespace, '')
     .replace(SVG.regex.matrix, '')
-    .split(',')
+    .split(SVG.regex.matrixElements)
 
   // convert string values to floats and convert to a matrix-formatted object
   return arrayToMatrix(
diff --git a/src/regex.js b/src/regex.js
index d08dc7b..a6ffb98 100644
--- a/src/regex.js
+++ b/src/regex.js
@@ -14,6 +14,9 @@ SVG.regex = {
   
   // Parse matrix wrapper
 , matrix:           /matrix\(|\)/g
+
+  // Elements of a matrix
+, matrixElements:   /,*\s+|,/
   
   // Whitespace
 , whitespace:       /\s/g
diff --git a/src/transform.js b/src/transform.js
index 2023439..c1afd73 100644
--- a/src/transform.js
+++ b/src/transform.js
@@ -130,7 +130,7 @@ SVG.extend(SVG.Element, {
       .split(/\)\s*/).slice(0,-1).map(function(str){
         // generate key => value pairs
         var kv = str.trim().split('(')
-        return [kv[0], kv[1].split(',').map(function(str){ return parseFloat(str) })]
+        return [kv[0], kv[1].split(SVG.regex.matrixElements).map(function(str){ return parseFloat(str) })]
       })
       // calculate every transformation into one matrix
       .reduce(function(matrix, transform){