mirror of https://github.com/nodejs/node.git
18 lines
390 B
JavaScript
18 lines
390 B
JavaScript
'use strict'
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module.exports.promisify = promisify
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function promisify (f) {
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const util = require('util')
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if (util.promisify) {
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return util.promisify(f)
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} else {
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return function () {
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return new Promise((resolve, reject) => {
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f.apply(this, [].slice.call(arguments).concat((err, val) => {
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err ? reject(err) : resolve(val)
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}))
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})
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}
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}
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}
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