drainpipe

drainpipe

pipe a value through a chain of functions

vv(23)
  (function(v) { return v * 2 })
  (function(v) { return v + 2 })
  (function(v) { console.log(v) })  // 48

install

node:

$ npm install drainpipe

browser:

$ bower install drainpipe

<script src="/bower_components/drainpipe/drainpipe.js"></script>

api

vv(x)

Takes in a value and starts a drainpipe chain.

vv(x)(fn[, arg1[, arg2[, ...]]])

Takes in a function and optional extra arguments, calls the function with the current value in the drainpipe chain and stores its result as the new value in the drainpipe chain.

function add(a, b) {
  return a + b
}


vv(23)
  (add, 1)
  (add, 3)
  (function(v) { console.log(v) })  // 27

vv(x)()

Returns the current value in the drainpipe chain

var x = vv(23)
  (function(v) { return v * 2 })
  (function(v) { return v + 2 })
  ()

console.log(x)  // 48