https://github.com/justinvdm/drainpipe

pipe a value through a chain of functions
https://github.com/justinvdm/drainpipe

Last synced: 10 days ago
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pipe a value through a chain of functions

• Host: GitHub
• URL: https://github.com/justinvdm/drainpipe
• Owner: justinvdm
• License: mit
• Created: 2014-12-21T19:39:52.000Z (almost 10 years ago)
• Default Branch: master
• Last Pushed: 2022-04-24T18:10:46.000Z (over 2 years ago)
• Last Synced: 2024-10-05T03:50:02.284Z (about 1 month ago)
• Language: JavaScript
• Size: 1.78 MB
• Stars: 2
• Watchers: 2
• Forks: 0
• Open Issues: 6
• Metadata Files:
  • Readme: readme.md
  • Changelog: CHANGELOG.md
  • License: LICENSE

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README

        
# drainpipe

![Build Status](https://api.travis-ci.org/justinvdm/drainpipe.png)

utility for piping a value through a chain of functions

```js

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.

```js

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

```js

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.

```js

// es module

import vv from 'drainpipe'

// commonjs

const vv = require('drainpipe')

```

It can also be used a ``:

```html

<script

  crossorigin

  src="https://unpkg.com/drainpipe/dist/umd/drainpipe.js"

>

  vv(23)(v => console.log(v))

```