always-thunk

always-thunk

Create thunk from async or sync function. Works like thunkify.

Install

npm i always-thunk --save
npm test

Usage

For more use-cases see the tests

var fs = require('fs')
var alwaysThunk = require('always-thunk')

var readFile = alwaysThunk(fs.readFile)
readFile('./package.json', 'utf8')(function (err, res) {
  console.log(err) //=> null
  console.log(res) //=> package.json content
})

var readFileSync = alwaysThunk(fs.readFileSync)
readFileSync('./package.json', 'utf8')(function (err, res) {
  console.log(err) //=> null
  console.log(res) //=> package.json content
})

Related

• always-promise: Create Bluebird Promise from given async or synchronous function. It automatically convert sync functions to async, then to promise.
• always-callback: Create callback api for given sync function. Guarantee that given function (sync or async, no matter) will always have callback api and will handle errors correctly.
• handle-callback: Make promise to have support for callback api, it returns promise in that same time.
• make-callback: Make synchronous function to support callback api
• promise2thunk: Convert (transform) promise to thunk, just like was in co@3

Contributing

Pull requests and stars are always welcome. For bugs and feature requests, please create an issue.
But before doing anything, please read the CONTRIBUTING.md guidelines.

Charlike Make Reagent