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

65 lines
1.6 KiB

import cssAnimation from './css-animation'
import raf from 'raf'
function animate (node, show, done, type) {
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