Index: node_modules/d3-geo/src/compose.js
===================================================================
--- node_modules/d3-geo/src/compose.js	(revision e4c61dd6cd86e06265bc2bd91adba84a0f04044a)
+++ node_modules/d3-geo/src/compose.js	(revision e4c61dd6cd86e06265bc2bd91adba84a0f04044a)
@@ -0,0 +1,12 @@
+export default function(a, b) {
+
+  function compose(x, y) {
+    return x = a(x, y), b(x[0], x[1]);
+  }
+
+  if (a.invert && b.invert) compose.invert = function(x, y) {
+    return x = b.invert(x, y), x && a.invert(x[0], x[1]);
+  };
+
+  return compose;
+}