Index: node_modules/d3-shape/src/curve/linearClosed.js
===================================================================
--- node_modules/d3-shape/src/curve/linearClosed.js	(revision e4c61dd6cd86e06265bc2bd91adba84a0f04044a)
+++ node_modules/d3-shape/src/curve/linearClosed.js	(revision e4c61dd6cd86e06265bc2bd91adba84a0f04044a)
@@ -0,0 +1,25 @@
+import noop from "../noop.js";
+
+function LinearClosed(context) {
+  this._context = context;
+}
+
+LinearClosed.prototype = {
+  areaStart: noop,
+  areaEnd: noop,
+  lineStart: function() {
+    this._point = 0;
+  },
+  lineEnd: function() {
+    if (this._point) this._context.closePath();
+  },
+  point: function(x, y) {
+    x = +x, y = +y;
+    if (this._point) this._context.lineTo(x, y);
+    else this._point = 1, this._context.moveTo(x, y);
+  }
+};
+
+export default function(context) {
+  return new LinearClosed(context);
+}