import cssAnimation from 'css-animation'; function animate(node, show, done) { let height; return cssAnimation(node, 'ant-motion-collapse', { start() { if (!show) { node.style.height = `${node.offsetHeight}px`; } else { height = node.offsetHeight; node.style.height = 0; } }, active() { node.style.height = `${show ? height : 0}px`; }, end() { node.style.height = ''; done(); }, }); } const animation = { enter(node, done) { return animate(node, true, done); }, leave(node, done) { return animate(node, false, done); }, appear(node, done) { return animate(node, true, done); }, }; export default animation;