pop array, if last element is function

popfun - pop last item of array, if it is a function

The popfun node module pops and returns the last item of a given array, if its type is 'function'; for example, the callback in an arguments array.

var popfun = require('popfun')

function echo () {
  var args = Array.prototype.slice.call(arguments)
    , callback = popfun(args)
  if (callback) callback(null, args.join(' '))

echo('hey', 'you', function (err, msg) {

Install with npm:

npm install popfun

MIT License