ant-design-vue/components/_util/openAnimation.js

65 lines
1.6 KiB
JavaScript

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