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video-gen-admin/node_modules/antd/es/_util/motion.js

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+import { defaultPrefixCls } from '../config-provider';
+import { isPlainObject } from './is';
+// ================== Collapse Motion ==================
+const getCollapsedHeight = () => ({
+  height: 0,
+  opacity: 0
+});
+const getRealHeight = node => ({
+  height: node?.scrollHeight ?? 0,
+  opacity: node ? 1 : 0
+});
+const getCurrentHeight = node => ({
+  height: node?.offsetHeight ?? 0
+});
+const isTransitionEvent = event => {
+  return isPlainObject(event) && 'propertyName' in event;
+};
+const skipOpacityTransition = (_, event) => {
+  return event?.deadline === true || (isTransitionEvent(event) ? event.propertyName === 'height' : false);
+};
+const initCollapseMotion = (rootCls = defaultPrefixCls) => ({
+  motionName: `${rootCls}-motion-collapse`,
+  onAppearStart: getCollapsedHeight,
+  onEnterStart: getCollapsedHeight,
+  onAppearActive: getRealHeight,
+  onEnterActive: getRealHeight,
+  onLeaveStart: getCurrentHeight,
+  onLeaveActive: getCollapsedHeight,
+  onAppearEnd: skipOpacityTransition,
+  onEnterEnd: skipOpacityTransition,
+  onLeaveEnd: skipOpacityTransition,
+  motionDeadline: 500
+});
+const _SelectPlacements = ['bottomLeft', 'bottomRight', 'topLeft', 'topRight'];
+const getTransitionName = (rootPrefixCls, motion, transitionName) => {
+  if (transitionName !== undefined) {
+    return transitionName;
+  }
+  return `${rootPrefixCls}-${motion}`;
+};
+export { getTransitionName };
+export default initCollapseMotion;