33 lines
783 B
JavaScript
33 lines
783 B
JavaScript
'use strict';
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exports.fromCallback = function (fn) {
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return Object.defineProperty(
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function (...args) {
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if (typeof args[args.length - 1] === 'function') fn.apply(this, args);
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else {
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return new Promise((resolve, reject) => {
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args.push((err, res) => (err != null ? reject(err) : resolve(res)));
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fn.apply(this, args);
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});
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}
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},
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'name',
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{ value: fn.name }
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);
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};
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exports.fromPromise = function (fn) {
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return Object.defineProperty(
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function (...args) {
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const cb = args[args.length - 1];
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if (typeof cb !== 'function') return fn.apply(this, args);
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else {
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args.pop();
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fn.apply(this, args).then((r) => cb(null, r), cb);
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}
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},
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'name',
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{ value: fn.name }
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);
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};
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