68 lines
1.7 KiB
JavaScript
68 lines
1.7 KiB
JavaScript
import cssAnimation from './css-animation';
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import raf from 'raf';
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import Vue from 'vue';
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function animate(node, show, done) {
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let height;
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let requestAnimationFrameId;
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let appearRequestAnimationFrameId;
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return cssAnimation(node, 'ant-motion-collapse', {
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start() {
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if (appearRequestAnimationFrameId) {
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raf.cancel(appearRequestAnimationFrameId);
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}
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if (!show) {
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node.style.height = `${node.offsetHeight}px`;
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node.style.opacity = '1';
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} else {
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height = node.offsetHeight;
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// not get offsetHeight when appear
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// set it into raf get correct offsetHeight
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if (height === 0) {
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appearRequestAnimationFrameId = raf(() => {
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height = node.offsetHeight;
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node.style.height = '0px';
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node.style.opacity = '0';
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});
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} else {
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node.style.height = '0px';
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node.style.opacity = '0';
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}
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}
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},
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active() {
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if (requestAnimationFrameId) {
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raf.cancel(requestAnimationFrameId);
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}
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requestAnimationFrameId = raf(() => {
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node.style.height = `${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 (appearRequestAnimationFrameId) {
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raf.cancel(appearRequestAnimationFrameId);
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}
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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 && 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, done) {
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Vue.nextTick(() => {
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animate(node, true, done);
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});
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},
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leave(node, done) {
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return animate(node, false, done);
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},
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};
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export default animation;
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