Index: node_modules/recharts/es6/animation/configUpdate.js
===================================================================
--- node_modules/recharts/es6/animation/configUpdate.js	(revision a762898ecd37a452c782821d4c2c4955c6ed2521)
+++ node_modules/recharts/es6/animation/configUpdate.js	(revision a762898ecd37a452c782821d4c2c4955c6ed2521)
@@ -0,0 +1,135 @@
+function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }
+function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { _defineProperty(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }
+function _defineProperty(e, r, t) { return (r = _toPropertyKey(r)) in e ? Object.defineProperty(e, r, { value: t, enumerable: !0, configurable: !0, writable: !0 }) : e[r] = t, e; }
+function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == typeof i ? i : i + ""; }
+function _toPrimitive(t, r) { if ("object" != typeof t || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != typeof i) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
+import { getIntersectionKeys, mapObject } from './util';
+export var alpha = (begin, end, k) => begin + (end - begin) * k;
+var needContinue = _ref => {
+  var {
+    from,
+    to
+  } = _ref;
+  return from !== to;
+};
+/*
+ * @description: cal new from value and velocity in each stepper
+ * @return: { [styleProperty]: { from, to, velocity } }
+ */
+var calStepperVals = (easing, preVals, steps) => {
+  var nextStepVals = mapObject((key, val) => {
+    if (needContinue(val)) {
+      var [newX, newV] = easing(val.from, val.to, val.velocity);
+      return _objectSpread(_objectSpread({}, val), {}, {
+        from: newX,
+        velocity: newV
+      });
+    }
+    return val;
+  }, preVals);
+  if (steps < 1) {
+    return mapObject((key, val) => {
+      if (needContinue(val) && nextStepVals[key] != null) {
+        return _objectSpread(_objectSpread({}, val), {}, {
+          velocity: alpha(val.velocity, nextStepVals[key].velocity, steps),
+          from: alpha(val.from, nextStepVals[key].from, steps)
+        });
+      }
+      return val;
+    }, preVals);
+  }
+  return calStepperVals(easing, nextStepVals, steps - 1);
+};
+function createStepperUpdate(from, to, easing, interKeys, render, timeoutController) {
+  var preTime;
+  var stepperStyle = interKeys.reduce((res, key) => _objectSpread(_objectSpread({}, res), {}, {
+    [key]: {
+      from: from[key],
+      velocity: 0,
+      to: to[key]
+    }
+  }), {});
+  var getCurrStyle = () => mapObject((key, val) => val.from, stepperStyle);
+  var shouldStopAnimation = () => !Object.values(stepperStyle).filter(needContinue).length;
+  var stopAnimation = null;
+  var stepperUpdate = now => {
+    if (!preTime) {
+      preTime = now;
+    }
+    var deltaTime = now - preTime;
+    var steps = deltaTime / easing.dt;
+    stepperStyle = calStepperVals(easing, stepperStyle, steps);
+    // get union set and add compatible prefix
+    render(_objectSpread(_objectSpread(_objectSpread({}, from), to), getCurrStyle()));
+    preTime = now;
+    if (!shouldStopAnimation()) {
+      stopAnimation = timeoutController.setTimeout(stepperUpdate);
+    }
+  };
+
+  // return start animation method
+  return () => {
+    stopAnimation = timeoutController.setTimeout(stepperUpdate);
+
+    // return stop animation method
+    return () => {
+      var _stopAnimation;
+      (_stopAnimation = stopAnimation) === null || _stopAnimation === void 0 || _stopAnimation();
+    };
+  };
+}
+function createTimingUpdate(from, to, easing, duration, interKeys, render, timeoutController) {
+  var stopAnimation = null;
+  var timingStyle = interKeys.reduce((res, key) => {
+    var fromElement = from[key];
+    var toElement = to[key];
+    if (fromElement == null || toElement == null) {
+      return res;
+    }
+    return _objectSpread(_objectSpread({}, res), {}, {
+      [key]: [fromElement, toElement]
+    });
+  }, {});
+  var beginTime;
+  var timingUpdate = now => {
+    if (!beginTime) {
+      beginTime = now;
+    }
+    var t = (now - beginTime) / duration;
+    var currStyle = mapObject((key, val) => alpha(...val, easing(t)), timingStyle);
+
+    // get union set and add compatible prefix
+    render(_objectSpread(_objectSpread(_objectSpread({}, from), to), currStyle));
+    if (t < 1) {
+      stopAnimation = timeoutController.setTimeout(timingUpdate);
+    } else {
+      var finalStyle = mapObject((key, val) => alpha(...val, easing(1)), timingStyle);
+      render(_objectSpread(_objectSpread(_objectSpread({}, from), to), finalStyle));
+    }
+  };
+
+  // return start animation method
+  return () => {
+    stopAnimation = timeoutController.setTimeout(timingUpdate);
+
+    // return stop animation method
+    return () => {
+      var _stopAnimation2;
+      (_stopAnimation2 = stopAnimation) === null || _stopAnimation2 === void 0 || _stopAnimation2();
+    };
+  };
+}
+
+// configure update function
+// eslint-disable-next-line import/no-default-export
+export default (from, to, easing, duration, render, timeoutController) => {
+  var interKeys = getIntersectionKeys(from, to);
+  if (easing == null) {
+    // no animation, just set to final state
+    return () => {
+      render(_objectSpread(_objectSpread({}, from), to));
+      return () => {};
+    };
+  }
+  return easing.isStepper === true ? createStepperUpdate(from, to, easing, interKeys, render, timeoutController) : createTimingUpdate(from, to, easing, duration, interKeys, render, timeoutController);
+};
