Make a callback- or promise-based function support both promises and callbacks. 

ryanzim

universalify

  "description": "Make a callback- or promise-based function support both promises and callbacks.",

  "homepage": "https://github.com/RyanZim/universalify#readme",

  "bugs": "https://github.com/RyanZim/universalify/issues",

  "author": "Ryan Zimmerman <opensrc@ryanzim.com>",

    "url": "git+https://github.com/RyanZim/universalify.git"

    "test": "standard && nyc tape test/*.js | colortape"

[![Travis branch](https://img.shields.io/travis/RyanZim/universalify/master.svg)](https://travis-ci.org/RyanZim/universalify)

![Coveralls github branch](https://img.shields.io/coveralls/github/RyanZim/universalify/master.svg)

![npm](https://img.shields.io/npm/dm/universalify.svg)

![npm](https://img.shields.io/npm/l/universalify.svg)

Takes a callback-based function to universalify, and returns the universalified  function.

Function must take a callback as the last parameter that will be called with the signature `(error, result)`. `universalify` does not support calling the callback with more than three arguments, and does not ensure that the callback is only called once.

const fn = universalify.fromCallback(callbackFn)

.then(result => console.log(result)) // -> Hello World!

Takes a promise-based function to universalify, and returns the universalified  function.

Function must return a valid JS promise. `universalify` does not ensure that a valid promise is returned.

const fn = universalify.fromPromise(promiseFn)

		{
		"name": "universalify",
		"version": "0.1.1",
		"version": "0.1.2",
		"description": "Make a callback- or promise-based function support both promises and callbacks.",
		@@ -26,6 +26,10 @@ "keywords": [
		"colortape": "^0.1.2",
		"coveralls": "^3.0.1",
		"nyc": "^10.2.0",
		"standard": "^10.0.1",
		"tape": "^4.6.3"
		},
		"engines": {
		"node": ">= 4.0.0"
		}
		}

Improved metrics

Worsened metrics

		# universalify

		[![Travis branch](https://img.shields.io/travis/RyanZim/universalify/master.svg)](https://travis-ci.org/RyanZim/universalify)
		![Coveralls github branch](https://img.shields.io/coveralls/github/RyanZim/universalify/master.svg)
		![npm](https://img.shields.io/npm/dm/universalify.svg)
		![npm](https://img.shields.io/npm/l/universalify.svg)

		@@ -5,0 +8,0 @@ Make a callback- or promise-based function support both promises and callbacks.