add all frontend files

node_modules/rc-util/es/Dom/support.js

@@ -0,0 +1,24 @@
+import canUseDOM from "./canUseDom";
+var animationEndEventNames = {
+  WebkitAnimation: 'webkitAnimationEnd',
+  OAnimation: 'oAnimationEnd',
+  animation: 'animationend'
+};
+var transitionEventNames = {
+  WebkitTransition: 'webkitTransitionEnd',
+  OTransition: 'oTransitionEnd',
+  transition: 'transitionend'
+};
+function supportEnd(names) {
+  var el = document.createElement('div');
+  for (var name in names) {
+    if (names.hasOwnProperty(name) && el.style[name] !== undefined) {
+      return {
+        end: names[name]
+      };
+    }
+  }
+  return false;
+}
+export var animation = canUseDOM() && supportEnd(animationEndEventNames);
+export var transition = canUseDOM() && supportEnd(transitionEventNames);