ant-design-vue/components/_util/raf.js
2019-01-12 12:46:29 +08:00

31 lines
535 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];
};