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defmodule Project.AppleApi do
  @moduledoc """
  Apple API: https://developer.apple.com/documentation/appstoreserverapi/creating_api_keys_to_use_with_the_app_store_server_api
  
  Relies on Confex and having the following configuration in config/config.exs
  
  ```
  config :project, Project.Apple,
    api_url: {:system, "PROJECT_APPLE_URL", ""},
    certificate: {:system, "PROJECT_APPLE_CERTIFICATE", ""},

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const reduce = (array, callback, initialValue) => {
    let result;
    
    for(let i = 0; i < array.length; i++) {
        result = callback(result || initialValue, array[i], i);
    }

    return result;
};

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//Example of underscore chaining
var users = [
  {name: 'John', surname: 'Doe', age: 35},
  {name: 'John 2', surname: 'Doe 2', age: 19},
  {name: 'John 3', surname: 'Doe 3', age: 28},
  {name: 'John 4', surname: 'Doe 4', age: 16},
  {name: 'John 5', surname: 'Doe 5', age: 39}
];

//Iterate over users and sort them by age, pick first and transform to a sentence

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//Some of the examples use spread syntax available via Babel in ES7 proposal.
//Live at: https://jsbin.com/zawavekepo/edit?js,console
//Arrays, slicing and avoiding mutations
const numArray = [10, 20, 30, 40, 50, 60];

const removeAtIndex = (arr, x) => {
  return [
    ...arr.slice(0, x),
    ...arr.slice(x + 1)
  ];

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const React = require('react');
const classnames = require('classnames');
const { find, map } = require('lodash');

module.exports = React.createClass({
    displayName: 'Select',

    propTypes: {
        types: React.PropTypes.arrayOf(
            React.PropTypes.shape({

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customers = ['CustomerA', 'CustomerB', 'CustomerC']

{div} = React.DOM

App = React.createClass
  render: ->
    div {}, customers.map (c, i) -> div {key: i, className: ~~new Date()}, c
      
      
ReactDOM.render(

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/*
Coding
Given an array of positive integers, write a function which returns all the unique pairs which add (equal) up to 100.
sample_input = [0, 1, 100, 99, 0, 10, 90, 30, 55, 33, 55, 75, 50, 51, 49, 50, 51, 49, 51]
sample_output = [[1,99], [0,100], [10,90], [51,49], [50,50]]
*/

var sample_input = [0, 1, 100, 99, 0, 10, 90, 30, 55, 33, 55, 75, 50, 51, 49, 50, 51, 49, 51];
var result = getNumbersOf(100, sample_input, true, []);

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var http = require('http');

function follow(url, cb) {
    http.get(url, function(res) {
        res.on('data', function (chunk) {
          var data = JSON.parse(chunk.toString());
          if (!data || !data.follow) {
              cb(data);
              return;
          }