plugins/mergePaths: new plugin

plugins/mergePaths.js

@@ -0,0 +1,45 @@
+'use strict';
+
+exports.type = 'perItem';
+
+exports.active = true;
+
+/**
+ * Merge multiple Paths into one.
+ *
+ * @param {Object} item current iteration item
+ * @return {Boolean} if false, item will be filtered out
+ *
+ * @author Kir Belevich
+ */
+exports.fn = function(item) {
+
+    if (item.isElem() && !item.isEmpty()) {
+
+        var prevContentItem;
+
+        item.content = item.content.filter(function(contentItem) {
+
+            // merge only <path d="...z" />
+            if (prevContentItem &&
+                prevContentItem.isElem('path') &&
+                prevContentItem.hasAttr('d') &&
+                Object.keys(prevContentItem.attrs).length === 1 &&
+                prevContentItem.attr('d').value.charAt(prevContentItem.attr('d').value.length - 1) === 'z' &&
+                contentItem.isElem('path') &&
+                contentItem.hasAttr('d') &&
+                Object.keys(contentItem.attrs).length === 1
+            ) {
+                prevContentItem.attr('d').value += contentItem.attr('d').value;
+
+                return false;
+            }
+
+            prevContentItem = contentItem;
+
+            return true;
+
+        });
+    }
+
+};