pall

Pall add functionalities to Promise. It uses native Promise, following static-land specification

Installation

npm install pall

Usage

import {compose,tap,map} from "pall";

var composed=compose(
    tap(x=>console.log("side effect!!!",x))
    ,map(x=>`Hello, ${x}!`)
    ,of
)
composed("Bob").then(result=>console.log(result)) 
composed("John").then(result=>console.log(result))

// side effect!!! Hello Bob! 
// side effect!!! Hello John!
// Hello Bob!  
// Hello John!

API

see api docs

Contribute

please feel free to open issues or pull requests if some implementations are not right. Just because it works does not mean it is correct.