Merge selection-root into selection.

d3.js

@@ -1046,14 +1046,6 @@ d3 = function() {
     }
     return null;
   };
-  var d3_selectionRoot = d3_selection([ [ d3_document ] ]);
-  d3_selectionRoot[0].parentNode = d3_selectRoot;
-  d3.select = function(selector) {
-    return typeof selector === "string" ? d3_selectionRoot.select(selector) : d3_selection([ [ selector ] ]);
-  };
-  d3.selectAll = function(selector) {
-    return typeof selector === "string" ? d3_selectionRoot.selectAll(selector) : d3_selection([ d3_array(selector) ]);
-  };
   function d3_selection_enter(selection) {
     d3_arraySubclass(selection, d3_selection_enterPrototype);
     return selection;
@@ -1082,6 +1074,14 @@ d3 = function() {
     }
     return d3_selection(subgroups);
   };
+  var d3_selectionRoot = d3_selection([ [ d3_document ] ]);
+  d3_selectionRoot[0].parentNode = d3_selectRoot;
+  d3.select = function(selector) {
+    return typeof selector === "string" ? d3_selectionRoot.select(selector) : d3_selection([ [ selector ] ]);
+  };
+  d3.selectAll = function(selector) {
+    return typeof selector === "string" ? d3_selectionRoot.selectAll(selector) : d3_selection([ d3_array(selector) ]);
+  };
   d3.behavior.zoom = function() {
     var translate = [ 0, 0 ], translate0, scale = 1, scale0, scaleExtent = d3_behavior_zoomInfinity, event = d3_eventDispatch(zoom, "zoom"), x0, x1, y0, y1, touchtime;
     function zoom() {

src/selection/index.js

 import "ns";
 import "selection";
-import "selection-select";
-import "selection-selectAll";
-import "selection-attr";
-import "selection-classed";
-import "selection-style";
-import "selection-property";
-import "selection-text";
-import "selection-html";
-import "selection-append";
-import "selection-insert";
-import "selection-remove";
-import "selection-data";
-import "selection-datum";
-import "selection-filter";
-import "selection-order";
-import "selection-sort";
-import "selection-on";
-import "selection-each";
-import "selection-call";
-import "selection-empty";
-import "selection-node";
-import "selection-root";
-import "selection-enter";
-import "selection-enter-select";

src/selection/selection-enter.js

@@ -15,3 +15,5 @@ d3_selection_enterPrototype.append = d3_selectionPrototype.append;
 d3_selection_enterPrototype.insert = d3_selectionPrototype.insert;
 d3_selection_enterPrototype.empty = d3_selectionPrototype.empty;
 d3_selection_enterPrototype.node = d3_selectionPrototype.node;
+
+import "selection-enter-select";

src/selection/selection-root.js

-import "../core/array";
-import "../core/document";
-import "selection";
-
-var d3_selectionRoot = d3_selection([[d3_document]]);
-
-d3_selectionRoot[0].parentNode = d3_selectRoot;
-
-// TODO fast singleton implementation!
-// TODO select(function)
-d3.select = function(selector) {
-  return typeof selector === "string"
-      ? d3_selectionRoot.select(selector)
-      : d3_selection([[selector]]); // assume node
-};
-
-// TODO selectAll(function)
-d3.selectAll = function(selector) {
-  return typeof selector === "string"
-      ? d3_selectionRoot.selectAll(selector)
-      : d3_selection([d3_array(selector)]); // assume node[]
-};

src/selection/selection.js

@@ -26,3 +26,45 @@ d3.selection = function() {
 };
 
 d3.selection.prototype = d3_selectionPrototype;
+
+import "selection-select";
+import "selection-selectAll";
+import "selection-attr";
+import "selection-classed";
+import "selection-style";
+import "selection-property";
+import "selection-text";
+import "selection-html";
+import "selection-append";
+import "selection-insert";
+import "selection-remove";
+import "selection-data";
+import "selection-datum";
+import "selection-filter";
+import "selection-order";
+import "selection-sort";
+import "selection-on";
+import "selection-each";
+import "selection-call";
+import "selection-empty";
+import "selection-node";
+import "selection-enter";
+
+var d3_selectionRoot = d3_selection([[d3_document]]);
+
+d3_selectionRoot[0].parentNode = d3_selectRoot;
+
+// TODO fast singleton implementation!
+// TODO select(function)
+d3.select = function(selector) {
+  return typeof selector === "string"
+      ? d3_selectionRoot.select(selector)
+      : d3_selection([[selector]]); // assume node
+};
+
+// TODO selectAll(function)
+d3.selectAll = function(selector) {
+  return typeof selector === "string"
+      ? d3_selectionRoot.selectAll(selector)
+      : d3_selection([d3_array(selector)]); // assume node[]
+};