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a196a714b8
Co-authored-by: Andrew Eisenberg <aeisenberg@github.com> Co-authored-by: Henry Mercer <henrymercer@github.com>
15 lines
360 B
JavaScript
15 lines
360 B
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = onlyOnce;
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function onlyOnce(fn) {
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return function (...args) {
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if (fn === null) throw new Error("Callback was already called.");
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var callFn = fn;
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fn = null;
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callFn.apply(this, args);
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};
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}
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module.exports = exports.default; |