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56998a6193
* Remove mz and add promisify util * Remove glob-promise and promisify glob * Use access instead of exists * Use promisify for access
27 lines
870 B
JavaScript
27 lines
870 B
JavaScript
const kCustomPromisifyArgsSymbol = Symbol('customPromisifyArgs')
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module.exports = function promisify (original) {
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// Names to create an object from in case the callback receives multiple
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// arguments, e.g. ['stdout', 'stderr'] for child_process.exec.
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const argumentNames = original[kCustomPromisifyArgsSymbol]
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return function fn (...args) {
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return new Promise((resolve, reject) => {
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try {
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original.call(this, ...args, (err, ...values) => {
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if (err) {
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reject(err)
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} else if (argumentNames !== undefined && values.length > 1) {
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const obj = {}
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for (var i = 0; i < argumentNames.length; i++) { obj[argumentNames[i]] = values[i] }
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resolve(obj)
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} else {
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resolve(values[0])
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}
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})
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} catch (err) {
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reject(err)
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}
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})
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}
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}
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