Index: node_modules/d3-selection/src/selection/append.js
===================================================================
--- node_modules/d3-selection/src/selection/append.js	(revision e4c61dd6cd86e06265bc2bd91adba84a0f04044a)
+++ node_modules/d3-selection/src/selection/append.js	(revision e4c61dd6cd86e06265bc2bd91adba84a0f04044a)
@@ -0,0 +1,8 @@
+import creator from "../creator.js";
+
+export default function(name) {
+  var create = typeof name === "function" ? name : creator(name);
+  return this.select(function() {
+    return this.appendChild(create.apply(this, arguments));
+  });
+}