flow like the river

VISUALIZACION/node_modules/d3-binarytree/src/visit.js

@@ -0,0 +1,14 @@
+import Half from "./half.js";
+
+export default function(callback) {
+  var halves = [], q, node = this._root, child, x0, x1;
+  if (node) halves.push(new Half(node, this._x0, this._x1));
+  while (q = halves.pop()) {
+    if (!callback(node = q.node, x0 = q.x0, x1 = q.x1) && node.length) {
+      var xm = (x0 + x1) / 2;
+      if (child = node[1]) halves.push(new Half(child, xm, x1));
+      if (child = node[0]) halves.push(new Half(child, x0, xm));
+    }
+  }
+  return this;
+}