plugins/removeRasterImages: remove raster images references in <image…

…> (disabled by default) (close svg#98)

.svgo.yml

@@ -32,6 +32,10 @@ plugins:
     active: true
     type: perItem
 
+  - name: removeRasterImages
+    active: false
+    type: perItem
+
   - name: cleanupNumericValues
     active: true
     type: perItem

plugins/removeRasterImages.js

@@ -0,0 +1,23 @@
+'use strict';
+
+/**
+ * Remove raster images references in <image>.
+ *
+ * @see https://bugs.webkit.org/show_bug.cgi?id=63548
+ *
+ * @param {Object} item current iteration item
+ * @return {Boolean} if false, item will be filtered out
+ *
+ * @author Kir Belevich
+ */
+exports.removeRasterImages = function(item) {
+
+    if (
+        item.isElem('image') &&
+        item.hasAttr('xlink:href') &&
+        /(\.|image\/)(jpg|png)/.test(item.attr('xlink:href').value)
+    ) {
+        return false;
+    }
+
+};