1"use strict";
2
3Object.defineProperty(exports, "__esModule", {
4    value: true
5});
6exports.default = once;
7function once(fn) {
8    function wrapper(...args) {
9        if (fn === null) return;
10        var callFn = fn;
11        fn = null;
12        callFn.apply(this, args);
13    }
14    Object.assign(wrapper, fn);
15    return wrapper;
16}
17module.exports = exports["default"];