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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"];
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