Simple Promisify

takes a functions expecting a nodestyle callback and returns a functions that returns a promise in stead.

Batteries are not included

The library does not come with a promise shim

usage

The promisiify function takes two arguments: the function context, and the function to be curried.

 
const promisify = require('simple-promisify')
const fs = require('fs')
 
const readFile = promisify(fs, fs.readFile)
 

Currying

The promisify function is curried:

 
const promisify = require('simple-promisify')(null)
 
const foo = promisify(functionThatDoesNotRelyOnThis)