util.promisify - Polyfill/shim for util.promisify in node versions < v8

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This package provides the built-in util.promisify in node v8.0.0 and later, and a replacement in other environments. Note: this package requires a native ES5 environment, and for Promise to be globally available. It will throw upon requiring it if these are not present.

https://github.com/ljharb/util.promisify#readme

Dependencies:

define-properties : ^1.1.2
has-symbols : ^1.0.0
object.getownpropertydescriptors : ^2.0.3

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