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Last change
on this file since 6a3a178 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
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initial commit
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100644
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File size:
361 bytes
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| [6a3a178] | 1 | "use strict";
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| 2 |
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| 3 | Object.defineProperty(exports, "__esModule", {
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| 4 | value: true
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| 5 | });
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| 6 | exports.default = onlyOnce;
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| 7 | function onlyOnce(fn) {
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| 8 | return function () {
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| 9 | if (fn === null) throw new Error("Callback was already called.");
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| 10 | var callFn = fn;
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| 11 | fn = null;
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| 12 | callFn.apply(this, arguments);
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| 13 | };
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| 14 | }
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| 15 | module.exports = exports["default"]; |
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