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frp-middleware

0.0.5 • Public • Published

FRP Middelware

Build Status

This module aims to ease building middleware DSL's. It implements a basic functional reactive programming Interface.

Installation

$ npm install frp-middelware --save

Usage

how to use an Stream

let stream = new SomeStream()
 
stream.map(data  => data + '!!!') // => hello world!!!
      .fork(data => data + '???') // => hello world!!!???
      .map(data  => data + '...') // => hello world!!!...
 
// invokes the stream
stream.subscribe()

how to write your own Stream

import Middleware from 'frp-middleware'
 
class SomeStream extends Middleware {
  subscribe() { // or you could use the 'emit' method. it is the same thing
    const middleware = super.subscribe()
    setIntervall(() => middleware('hello world'), 500)
  }
}

API

#map

changes the data in the stream and passes the altered data to the next function in the pipeline

#fork

Forks a stream and applies a function to it. The child stream runs independently of the parent stream.

#subscribe

Returns the middleware function Should be implemented as a way to start listening to the stream.

#emit

Returns the middleware function. Should be implemented as a way to fire events on the stream.

Examples

plain-tcp

install

npm i frp-middleware

Downloadsweekly downloads

5

version

0.0.5

license

GPL-3.0

homepage

github.com

repository

Gitgithub

last publish

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