Index: node_modules/recharts/es6/animation/easing.js
===================================================================
--- node_modules/recharts/es6/animation/easing.js	(revision a762898ecd37a452c782821d4c2c4955c6ed2521)
+++ node_modules/recharts/es6/animation/easing.js	(revision a762898ecd37a452c782821d4c2c4955c6ed2521)
@@ -0,0 +1,135 @@
+export var ACCURACY = 1e-4;
+var cubicBezierFactor = (c1, c2) => [0, 3 * c1, 3 * c2 - 6 * c1, 3 * c1 - 3 * c2 + 1];
+var evaluatePolynomial = (params, t) => params.map((param, i) => param * t ** i).reduce((pre, curr) => pre + curr);
+var cubicBezier = (c1, c2) => t => {
+  var params = cubicBezierFactor(c1, c2);
+  return evaluatePolynomial(params, t);
+};
+var derivativeCubicBezier = (c1, c2) => t => {
+  var params = cubicBezierFactor(c1, c2);
+  var newParams = [...params.map((param, i) => param * i).slice(1), 0];
+  return evaluatePolynomial(newParams, t);
+};
+var parseCubicBezier = easing => {
+  var _easingParts$;
+  var easingParts = easing.split('(');
+  if (easingParts.length !== 2 || easingParts[0] !== 'cubic-bezier') {
+    return null;
+  }
+  var numbers = (_easingParts$ = easingParts[1]) === null || _easingParts$ === void 0 || (_easingParts$ = _easingParts$.split(')')[0]) === null || _easingParts$ === void 0 ? void 0 : _easingParts$.split(',');
+  if (numbers == null || numbers.length !== 4) {
+    return null;
+  }
+  var coords = numbers.map(x => parseFloat(x));
+  return [coords[0], coords[1], coords[2], coords[3]];
+};
+var getBezierCoordinates = function getBezierCoordinates() {
+  for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
+    args[_key] = arguments[_key];
+  }
+  if (args.length === 1) {
+    switch (args[0]) {
+      case 'linear':
+        return [0.0, 0.0, 1.0, 1.0];
+      case 'ease':
+        return [0.25, 0.1, 0.25, 1.0];
+      case 'ease-in':
+        return [0.42, 0.0, 1.0, 1.0];
+      case 'ease-out':
+        return [0.42, 0.0, 0.58, 1.0];
+      case 'ease-in-out':
+        return [0.0, 0.0, 0.58, 1.0];
+      default:
+        {
+          var easing = parseCubicBezier(args[0]);
+          if (easing) {
+            return easing;
+          }
+        }
+    }
+  }
+  if (args.length === 4) {
+    return args;
+  }
+
+  // Fallback for invalid inputs. The previous implementation was buggy and would lead to NaN.
+  // Returning linear easing is a safe default.
+  return [0.0, 0.0, 1.0, 1.0];
+};
+var createBezierEasing = (x1, y1, x2, y2) => {
+  var curveX = cubicBezier(x1, x2);
+  var curveY = cubicBezier(y1, y2);
+  var derCurveX = derivativeCubicBezier(x1, x2);
+  var rangeValue = value => {
+    if (value > 1) {
+      return 1;
+    }
+    if (value < 0) {
+      return 0;
+    }
+    return value;
+  };
+  var bezier = _t => {
+    var t = _t > 1 ? 1 : _t;
+    var x = t;
+    for (var i = 0; i < 8; ++i) {
+      var evalT = curveX(x) - t;
+      var derVal = derCurveX(x);
+      if (Math.abs(evalT - t) < ACCURACY || derVal < ACCURACY) {
+        return curveY(x);
+      }
+      x = rangeValue(x - evalT / derVal);
+    }
+    return curveY(x);
+  };
+  bezier.isStepper = false;
+  return bezier;
+};
+
+// calculate cubic-bezier using Newton's method
+export var configBezier = function configBezier() {
+  return createBezierEasing(...getBezierCoordinates(...arguments));
+};
+export var configSpring = function configSpring() {
+  var config = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+  var {
+    stiff = 100,
+    damping = 8,
+    dt = 17
+  } = config;
+  var stepper = (currX, destX, currV) => {
+    var FSpring = -(currX - destX) * stiff;
+    var FDamping = currV * damping;
+    var newV = currV + (FSpring - FDamping) * dt / 1000;
+    var newX = currV * dt / 1000 + currX;
+    if (Math.abs(newX - destX) < ACCURACY && Math.abs(newV) < ACCURACY) {
+      return [destX, 0];
+    }
+    return [newX, newV];
+  };
+  stepper.isStepper = true;
+  stepper.dt = dt;
+  return stepper;
+};
+export var configEasing = easing => {
+  if (typeof easing === 'string') {
+    switch (easing) {
+      case 'ease':
+      case 'ease-in-out':
+      case 'ease-out':
+      case 'ease-in':
+      case 'linear':
+        return configBezier(easing);
+      case 'spring':
+        return configSpring();
+      default:
+        if (easing.split('(')[0] === 'cubic-bezier') {
+          return configBezier(easing);
+        }
+    }
+  }
+  if (typeof easing === 'function') {
+    return easing;
+  }
+  return null;
+};