ryanlinnane/promise-lite

Basic JS Promise Implementation for funzzies

Promise-lite

Basic JS Promise Implementation for funzzies Open to suggestions for improvements.

Npm Module

Install

  $ npm install -S Promise

ES6+

  import Promise from 'Promise'

ES5

  var Promise = require('Promise').default

About

Supports

.then chaining and async resolution/rejection.

returning of new promise chains in a .then, and forceful unwrapping to keep the chaining flat.

TODO:

better rejection error handling

Development

Install

  $ git clone <project>
  $ npm install
  $ npm run dev //edit src folder

Build

  $ npm run build

Example

  import Promise from 'Promise'

  const p = new Promise((resolve, reject) => {
      setTimeout(() => resolve(5), 1000)
  })
  .then((fulfilled) => {
    console.log('fulfilled', fulfilled)
    return "success"
  }, (rejected) => {
    console.log('rejected ', rejected)
  })
  .then((fulfilled) => {
    console.log('fulfilled 2 ', fulfilled)
  }, (rejected) => {
    console.log('rejected 2 ', rejected)
  })