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644 B

'use strict';
var rafSchd = function rafSchd(fn) {
var lastArgs = [];
var frameId = null;
var wrapperFn = function wrapperFn() {
for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
args[_key] = arguments[_key];
}
lastArgs = args;
if (frameId) {
return;
}
frameId = requestAnimationFrame(function () {
frameId = null;
fn.apply(void 0, lastArgs);
});
};
wrapperFn.cancel = function () {
if (!frameId) {
return;
}
cancelAnimationFrame(frameId);
frameId = null;
};
return wrapperFn;
};
module.exports = rafSchd;