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| "use strict";
|
| Object.defineProperty(exports, "__esModule", {
| value: true
| });
| exports.default = once;
| function once(fn) {
| return function () {
| if (fn === null) return;
| var callFn = fn;
| fn = null;
| callFn.apply(this, arguments);
| };
| }
| module.exports = exports["default"];
|
|
