Add svg helper

helpers/svg.js

@@ -0,0 +1,28 @@
+var VNode = require('../vnode');
+var is = require('../is');
+
+function addNS(vnode) {
+  vnode.data.ns = 'http://www.w3.org/2000/svg';
+  if (vnode.children !== undefined) {
+    for (var i = 0; i < vnode.children.length; ++i) {
+      addNS(vnode.children[i]);
+    }
+  }
+}
+
+module.exports = function(b, c) {
+  var data, children;
+  if (arguments.length === 2) {
+    data = b;
+    children = c;
+  } else if (is.array(b)) {
+    children = b;
+    data = {};
+  } else {
+    data = b;
+    children = [];
+  }
+  var vnode = VNode('svg', data, children, undefined, undefined);
+  addNS(vnode);
+  return vnode;
+};