mirror of https://github.com/lukechilds/node.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
18 lines
390 B
18 lines
390 B
8 years ago
|
'use strict'
|
||
|
|
|
||
|
|
module.exports.promisify = promisify
|
||
|
|
function promisify (f) {
|
||
|
|
const util = require('util')
|
||
|
|
if (util.promisify) {
|
||
|
|
return util.promisify(f)
|
||
|
|
} else {
|
||
|
|
return function () {
|
||
|
|
return new Promise((resolve, reject) => {
|
||
|
|
f.apply(this, [].slice.call(arguments).concat((err, val) => {
|
||
|
|
err ? reject(err) : resolve(val)
|
||
|
|
}))
|
||
|
|
})
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|