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31 lines
1.2 KiB
31 lines
1.2 KiB
import { CSSMotionProps, MotionEventHandler, MotionEndEventHandler } from 'rc-motion';
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// ================== Collapse Motion ==================
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const getCollapsedHeight: MotionEventHandler = () => ({ height: 0, opacity: 0 });
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const getRealHeight: MotionEventHandler = node => ({ height: node.scrollHeight, opacity: 1 });
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const getCurrentHeight: MotionEventHandler = node => ({ height: node.offsetHeight });
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const skipOpacityTransition: MotionEndEventHandler = (_, event) =>
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(event as TransitionEvent).propertyName === 'height';
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const collapseMotion: CSSMotionProps = {
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motionName: 'ant-motion-collapse',
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onAppearStart: getCollapsedHeight,
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onEnterStart: getCollapsedHeight,
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onAppearActive: getRealHeight,
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onEnterActive: getRealHeight,
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onLeaveStart: getCurrentHeight,
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onLeaveActive: getCollapsedHeight,
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onAppearEnd: skipOpacityTransition,
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onEnterEnd: skipOpacityTransition,
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onLeaveEnd: skipOpacityTransition,
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motionDeadline: 500,
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};
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const getTransitionName = (rootPrefixCls: string, motion: string, transitionName?: string) => {
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if (transitionName !== undefined) {
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return transitionName;
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}
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return `${rootPrefixCls}-${motion}`;
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};
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export { getTransitionName };
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export default collapseMotion;
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