| 1 |
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| 2 |
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| 3 | function promisfy (mod, fn) {
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| 4 | return function () {
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| 5 | var args = Array.prototype.slice.call(arguments)
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| 6 | return new Promise(function (resolve, reject) {
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| 7 | args.push(function (err, res) {
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| 8 | if (err) reject(err)
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| 9 | else resolve(res)
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| 10 | })
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| 11 | mod[fn].apply(mod, args)
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| 12 | })
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| 13 | }
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| 14 | }
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| 15 |
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| 16 | module.exports = promisfy(require('fs'), 'readFile')
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