Index: node_modules/d3-array/src/range.js
===================================================================
--- node_modules/d3-array/src/range.js	(revision e4c61dd6cd86e06265bc2bd91adba84a0f04044a)
+++ node_modules/d3-array/src/range.js	(revision e4c61dd6cd86e06265bc2bd91adba84a0f04044a)
@@ -0,0 +1,13 @@
+export default function range(start, stop, step) {
+  start = +start, stop = +stop, step = (n = arguments.length) < 2 ? (stop = start, start = 0, 1) : n < 3 ? 1 : +step;
+
+  var i = -1,
+      n = Math.max(0, Math.ceil((stop - start) / step)) | 0,
+      range = new Array(n);
+
+  while (++i < n) {
+    range[i] = start + i * step;
+  }
+
+  return range;
+}