promise.mapper

promise.mapper

"Returns a promise containing the result of the promisified mappingFn on its elements. Order is preserved. Additionally, rejection occurs if any of the promises reject.

[![NPM][promise-mapper-icon]][promise-mapper-url]

Install

$ npm install promise.mapper --save

Usage

var map = require('promise.mapper')
var makeRequest = (input) => http.Get(input).then(data => data.statusCode)

map([
  'test.com',
  'malwarehacks42.ru'
  requestGoogle, // promise
], makeRequest).then((result) => {
  console.log(result) // [200, 400, 200]
})

API

map(input..., mapperFn) -> promise

Returns a promise containing the result of the promisified mappingFn on its elements. Order is preserved. Additionally, rejection occurs if any of the promises reject.

input Iterable<Promise|any>

A sequence of promises or instanceof Iterable

mapperFn Function

A mapping function that returns a promise