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50 lines
1.3 KiB
50 lines
1.3 KiB
import cssAnimation from 'css-animation';
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import raf from 'raf';
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function animate(node: HTMLElement, show: boolean, done: () => void) {
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let height: number;
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let requestAnimationFrameId: number;
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return cssAnimation(node, 'ant-motion-collapse', {
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start() {
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if (!show) {
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node.style.height = `${node.offsetHeight}px`;
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node.style.opacity = '1';
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} else {
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height = node.offsetHeight;
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node.style.height = '0px';
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node.style.opacity = '0';
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}
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},
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active() {
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if (requestAnimationFrameId) {
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raf.cancel(requestAnimationFrameId);
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}
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requestAnimationFrameId = raf(() => {
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node.style.height = `${show ? height : 0}px`;
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node.style.opacity = show ? '1' : '0';
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});
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},
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end() {
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if (requestAnimationFrameId) {
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raf.cancel(requestAnimationFrameId);
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}
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node.style.height = '';
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node.style.opacity = '';
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done();
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},
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});
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}
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const animation = {
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enter(node: HTMLElement, done: () => void) {
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return animate(node, true, done);
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},
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leave(node: HTMLElement, done: () => void) {
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return animate(node, false, done);
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},
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appear(node: HTMLElement, done: () => void) {
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return animate(node, true, done);
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},
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};
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export default animation;
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