Index: node_modules/d3-ease/src/bounce.js
===================================================================
--- node_modules/d3-ease/src/bounce.js	(revision e4c61dd6cd86e06265bc2bd91adba84a0f04044a)
+++ node_modules/d3-ease/src/bounce.js	(revision e4c61dd6cd86e06265bc2bd91adba84a0f04044a)
@@ -0,0 +1,22 @@
+var b1 = 4 / 11,
+    b2 = 6 / 11,
+    b3 = 8 / 11,
+    b4 = 3 / 4,
+    b5 = 9 / 11,
+    b6 = 10 / 11,
+    b7 = 15 / 16,
+    b8 = 21 / 22,
+    b9 = 63 / 64,
+    b0 = 1 / b1 / b1;
+
+export function bounceIn(t) {
+  return 1 - bounceOut(1 - t);
+}
+
+export function bounceOut(t) {
+  return (t = +t) < b1 ? b0 * t * t : t < b3 ? b0 * (t -= b2) * t + b4 : t < b6 ? b0 * (t -= b5) * t + b7 : b0 * (t -= b8) * t + b9;
+}
+
+export function bounceInOut(t) {
+  return ((t *= 2) <= 1 ? 1 - bounceOut(1 - t) : bounceOut(t - 1) + 1) / 2;
+}