ant-design-vue
Version:
An enterprise-class UI design language and Vue-based implementation
34 lines (26 loc) • 700 B
JavaScript
import raf from 'raf';
var id = 0;
var ids = {};
// Support call raf with delay specified frame
export default function wrapperRaf(callback) {
var delayFrames = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 1;
var myId = id++;
var restFrames = delayFrames;
function internalCallback() {
restFrames -= 1;
if (restFrames <= 0) {
callback();
delete ids[myId];
} else {
ids[myId] = raf(internalCallback);
}
}
ids[myId] = raf(internalCallback);
return myId;
}
wrapperRaf.cancel = function (pid) {
if (pid === undefined) return;
raf.cancel(ids[pid]);
delete ids[pid];
};
wrapperRaf.ids = ids; // export this for test usage