Index: node_modules/d3-geo/src/path/bounds.js
===================================================================
--- node_modules/d3-geo/src/path/bounds.js	(revision e4c61dd6cd86e06265bc2bd91adba84a0f04044a)
+++ node_modules/d3-geo/src/path/bounds.js	(revision e4c61dd6cd86e06265bc2bd91adba84a0f04044a)
@@ -0,0 +1,28 @@
+import noop from "../noop.js";
+
+var x0 = Infinity,
+    y0 = x0,
+    x1 = -x0,
+    y1 = x1;
+
+var boundsStream = {
+  point: boundsPoint,
+  lineStart: noop,
+  lineEnd: noop,
+  polygonStart: noop,
+  polygonEnd: noop,
+  result: function() {
+    var bounds = [[x0, y0], [x1, y1]];
+    x1 = y1 = -(y0 = x0 = Infinity);
+    return bounds;
+  }
+};
+
+function boundsPoint(x, y) {
+  if (x < x0) x0 = x;
+  if (x > x1) x1 = x;
+  if (y < y0) y0 = y;
+  if (y > y1) y1 = y;
+}
+
+export default boundsStream;