drainpipe

drainpipe

utility for piping a value through a chain of functions

vv(23)
  (v => v * 2)
  (v => v + 2)
  (v => console.log(v))
// =>
48

api

vv(x)

Takes in a value and starts a 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)
  (v => console.log(v)) // 27

vv(x)()

Returns the current value in the drainpipe chain

var x = vv(23)
  (v => v * 2)
  (v => v + 2)
  ()

console.log(x) // 48

install

You can use this library as the npm package drainpipe:

npm i drainpipe
# or
yarn add drainpipe

It can be used in both es-module-aware and commonjs bundlers/environments.

// es module
import vv from 'drainpipe'

// commonjs
const vv = require('drainpipe')

It can also be used a <script>:

<script
  crossorigin
  src="https://unpkg.com/drainpipe/dist/umd/drainpipe.js"
></script>

<script>
  vv(23)(v => console.log(v))
</script>