Index: node_modules/d3-scale-chromatic/src/rampClosed.js
===================================================================
--- node_modules/d3-scale-chromatic/src/rampClosed.js	(revision e4c61dd6cd86e06265bc2bd91adba84a0f04044a)
+++ node_modules/d3-scale-chromatic/src/rampClosed.js	(revision e4c61dd6cd86e06265bc2bd91adba84a0f04044a)
@@ -0,0 +1,9 @@
+import {scaleSequential} from "d3-scale";
+import {interpolateRgbBasisClosed} from "d3-interpolate";
+import colors from "./colors.js";
+
+export default function(range) {
+  var s = scaleSequential(interpolateRgbBasisClosed(colors(range))).clamp(true);
+  delete s.clamp;
+  return s;
+}