ant-design-vue/components/_util/raf.js
2018-12-13 21:26:21 +08:00

31 lines
524 B
JavaScript

import raf from 'raf'
let id = 0
const ids = {}
// Support call raf with delay specified frame
export default function wrapperRaf (callback, delayFrames = 1) {
const myId = id++
let restFrames = delayFrames
function internalCallback () {
restFrames -= 1
if (restFrames <= 0) {
callback()
delete ids[id]
} else {
ids[id] = raf(internalCallback)
}
}
ids[id] = raf(internalCallback)
return myId
}
wrapperRaf.cancel = function (id) {
raf.cancel(ids[id])
delete ids[id]
}