Index: node_modules/d3-selection/src/selection/index.js
===================================================================
--- node_modules/d3-selection/src/selection/index.js	(revision e4c61dd6cd86e06265bc2bd91adba84a0f04044a)
+++ node_modules/d3-selection/src/selection/index.js	(revision e4c61dd6cd86e06265bc2bd91adba84a0f04044a)
@@ -0,0 +1,90 @@
+import selection_select from "./select.js";
+import selection_selectAll from "./selectAll.js";
+import selection_selectChild from "./selectChild.js";
+import selection_selectChildren from "./selectChildren.js";
+import selection_filter from "./filter.js";
+import selection_data from "./data.js";
+import selection_enter from "./enter.js";
+import selection_exit from "./exit.js";
+import selection_join from "./join.js";
+import selection_merge from "./merge.js";
+import selection_order from "./order.js";
+import selection_sort from "./sort.js";
+import selection_call from "./call.js";
+import selection_nodes from "./nodes.js";
+import selection_node from "./node.js";
+import selection_size from "./size.js";
+import selection_empty from "./empty.js";
+import selection_each from "./each.js";
+import selection_attr from "./attr.js";
+import selection_style from "./style.js";
+import selection_property from "./property.js";
+import selection_classed from "./classed.js";
+import selection_text from "./text.js";
+import selection_html from "./html.js";
+import selection_raise from "./raise.js";
+import selection_lower from "./lower.js";
+import selection_append from "./append.js";
+import selection_insert from "./insert.js";
+import selection_remove from "./remove.js";
+import selection_clone from "./clone.js";
+import selection_datum from "./datum.js";
+import selection_on from "./on.js";
+import selection_dispatch from "./dispatch.js";
+import selection_iterator from "./iterator.js";
+
+export var root = [null];
+
+export function Selection(groups, parents) {
+  this._groups = groups;
+  this._parents = parents;
+}
+
+function selection() {
+  return new Selection([[document.documentElement]], root);
+}
+
+function selection_selection() {
+  return this;
+}
+
+Selection.prototype = selection.prototype = {
+  constructor: Selection,
+  select: selection_select,
+  selectAll: selection_selectAll,
+  selectChild: selection_selectChild,
+  selectChildren: selection_selectChildren,
+  filter: selection_filter,
+  data: selection_data,
+  enter: selection_enter,
+  exit: selection_exit,
+  join: selection_join,
+  merge: selection_merge,
+  selection: selection_selection,
+  order: selection_order,
+  sort: selection_sort,
+  call: selection_call,
+  nodes: selection_nodes,
+  node: selection_node,
+  size: selection_size,
+  empty: selection_empty,
+  each: selection_each,
+  attr: selection_attr,
+  style: selection_style,
+  property: selection_property,
+  classed: selection_classed,
+  text: selection_text,
+  html: selection_html,
+  raise: selection_raise,
+  lower: selection_lower,
+  append: selection_append,
+  insert: selection_insert,
+  remove: selection_remove,
+  clone: selection_clone,
+  datum: selection_datum,
+  on: selection_on,
+  dispatch: selection_dispatch,
+  [Symbol.iterator]: selection_iterator
+};
+
+export default selection;