Index: node_modules/d3-transition/src/transition/style.js
===================================================================
--- node_modules/d3-transition/src/transition/style.js	(revision e4c61dd6cd86e06265bc2bd91adba84a0f04044a)
+++ node_modules/d3-transition/src/transition/style.js	(revision e4c61dd6cd86e06265bc2bd91adba84a0f04044a)
@@ -0,0 +1,80 @@
+import {interpolateTransformCss as interpolateTransform} from "d3-interpolate";
+import {style} from "d3-selection";
+import {set} from "./schedule.js";
+import {tweenValue} from "./tween.js";
+import interpolate from "./interpolate.js";
+
+function styleNull(name, interpolate) {
+  var string00,
+      string10,
+      interpolate0;
+  return function() {
+    var string0 = style(this, name),
+        string1 = (this.style.removeProperty(name), style(this, name));
+    return string0 === string1 ? null
+        : string0 === string00 && string1 === string10 ? interpolate0
+        : interpolate0 = interpolate(string00 = string0, string10 = string1);
+  };
+}
+
+function styleRemove(name) {
+  return function() {
+    this.style.removeProperty(name);
+  };
+}
+
+function styleConstant(name, interpolate, value1) {
+  var string00,
+      string1 = value1 + "",
+      interpolate0;
+  return function() {
+    var string0 = style(this, name);
+    return string0 === string1 ? null
+        : string0 === string00 ? interpolate0
+        : interpolate0 = interpolate(string00 = string0, value1);
+  };
+}
+
+function styleFunction(name, interpolate, value) {
+  var string00,
+      string10,
+      interpolate0;
+  return function() {
+    var string0 = style(this, name),
+        value1 = value(this),
+        string1 = value1 + "";
+    if (value1 == null) string1 = value1 = (this.style.removeProperty(name), style(this, name));
+    return string0 === string1 ? null
+        : string0 === string00 && string1 === string10 ? interpolate0
+        : (string10 = string1, interpolate0 = interpolate(string00 = string0, value1));
+  };
+}
+
+function styleMaybeRemove(id, name) {
+  var on0, on1, listener0, key = "style." + name, event = "end." + key, remove;
+  return function() {
+    var schedule = set(this, id),
+        on = schedule.on,
+        listener = schedule.value[key] == null ? remove || (remove = styleRemove(name)) : undefined;
+
+    // If this node shared a dispatch with the previous node,
+    // just assign the updated shared dispatch and we’re done!
+    // Otherwise, copy-on-write.
+    if (on !== on0 || listener0 !== listener) (on1 = (on0 = on).copy()).on(event, listener0 = listener);
+
+    schedule.on = on1;
+  };
+}
+
+export default function(name, value, priority) {
+  var i = (name += "") === "transform" ? interpolateTransform : interpolate;
+  return value == null ? this
+      .styleTween(name, styleNull(name, i))
+      .on("end.style." + name, styleRemove(name))
+    : typeof value === "function" ? this
+      .styleTween(name, styleFunction(name, i, tweenValue(this, "style." + name, value)))
+      .each(styleMaybeRemove(this._id, name))
+    : this
+      .styleTween(name, styleConstant(name, i, value), priority)
+      .on("end.style." + name, null);
+}