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frontend/node_modules/rc-motion/es/util/motion.js

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+import _typeof from "@babel/runtime/helpers/esm/typeof";
+import canUseDOM from "rc-util/es/Dom/canUseDom";
+// ================= Transition =================
+// Event wrapper. Copy from react source code
+function makePrefixMap(styleProp, eventName) {
+  var prefixes = {};
+  prefixes[styleProp.toLowerCase()] = eventName.toLowerCase();
+  prefixes["Webkit".concat(styleProp)] = "webkit".concat(eventName);
+  prefixes["Moz".concat(styleProp)] = "moz".concat(eventName);
+  prefixes["ms".concat(styleProp)] = "MS".concat(eventName);
+  prefixes["O".concat(styleProp)] = "o".concat(eventName.toLowerCase());
+  return prefixes;
+}
+export function getVendorPrefixes(domSupport, win) {
+  var prefixes = {
+    animationend: makePrefixMap('Animation', 'AnimationEnd'),
+    transitionend: makePrefixMap('Transition', 'TransitionEnd')
+  };
+  if (domSupport) {
+    if (!('AnimationEvent' in win)) {
+      delete prefixes.animationend.animation;
+    }
+    if (!('TransitionEvent' in win)) {
+      delete prefixes.transitionend.transition;
+    }
+  }
+  return prefixes;
+}
+var vendorPrefixes = getVendorPrefixes(canUseDOM(), typeof window !== 'undefined' ? window : {});
+var style = {};
+if (canUseDOM()) {
+  var _document$createEleme = document.createElement('div');
+  style = _document$createEleme.style;
+}
+var prefixedEventNames = {};
+export function getVendorPrefixedEventName(eventName) {
+  if (prefixedEventNames[eventName]) {
+    return prefixedEventNames[eventName];
+  }
+  var prefixMap = vendorPrefixes[eventName];
+  if (prefixMap) {
+    var stylePropList = Object.keys(prefixMap);
+    var len = stylePropList.length;
+    for (var i = 0; i < len; i += 1) {
+      var styleProp = stylePropList[i];
+      if (Object.prototype.hasOwnProperty.call(prefixMap, styleProp) && styleProp in style) {
+        prefixedEventNames[eventName] = prefixMap[styleProp];
+        return prefixedEventNames[eventName];
+      }
+    }
+  }
+  return '';
+}
+var internalAnimationEndName = getVendorPrefixedEventName('animationend');
+var internalTransitionEndName = getVendorPrefixedEventName('transitionend');
+export var supportTransition = !!(internalAnimationEndName && internalTransitionEndName);
+export var animationEndName = internalAnimationEndName || 'animationend';
+export var transitionEndName = internalTransitionEndName || 'transitionend';
+export function getTransitionName(transitionName, transitionType) {
+  if (!transitionName) return null;
+  if (_typeof(transitionName) === 'object') {
+    var type = transitionType.replace(/-\w/g, function (match) {
+      return match[1].toUpperCase();
+    });
+    return transitionName[type];
+  }
+  return "".concat(transitionName, "-").concat(transitionType);
+}