aldraco

module.exports = function(input) {
	//take input string and parse to a date object.
	var targetDate = Date.parse(input);
	
	//figure out the current date, in a date object
	var todaysDate = Date.now();

	//find the difference between the two dates
	var difference = targetDate - todaysDate;
	

aldraco

function where(collection, source) {
  var arr = [];
  var keyName = Object.keys(source)[0];
    collection.forEach(function(person) {
        if (person.hasOwnProperty(keyName) && (person[keyName] === source[keyName])) {
            //console.log(person[keyName]);
           arr.push(person);
        }
    });
    console.log("1"+ JSON.stringify(arr));

aldraco

function sumPrimes(num) {
  //create an array of prime numbers up to num
  var primesArray = [];
  
  function isPrime(number) {
    //tests for prime
    //var index = 2;
    var sqrt = Math.sqrt(number);
    
    for (var index=2; index <= sqrt; index++) {

aldraco

//Find the smallest number that is evenly divisble by  all numbers in the provided range.



 function smallestCommons(arr) {
    var primeArr =[];
    var compArr= [];
    for(var i = arr[0]; i <= arr[1]; i++){
        // call is prime function on each number and push prime one way and comp another
         if(isPrime(i)){

aldraco

function pairwise(arr, arg) {
  var indexRef = [];
  var pushIndex;
  // go through the arr
  for (var i = 0; i < arr.length; i ++) {
  
  // if that index is not already in indexRef, continue
    if (indexRef.indexOf(i) < 0) {
  // for that element, find its pair (arr.indexOf)
      pushIndex = arr.indexOf(arg-arr[i]);

aldraco

function sym(arr) {
  //get args
  var args = Array.prototype.slice.call(arguments);
  
  //symmetric difference is the union minus the intersection
  
  
  //find the union with no duplicates
  function findUnion (arr1, arr2) {
    var union = (arr1.concat(arr2)).sort();

aldraco

var Person = function(firstAndLast) {
  //private variables  
    var name = firstAndLast;
    var firstName = name.split(' ')[0];
    var lastName = name.split(' ')[1];
  
  //updated to pass the bonfire test
  
    this.getFullName = function() {
      return name;

aldraco

function drawer(price, payment, cid) {
 
  var change = payment - price;
    
  function findCID (cid) {
    var total = 0;
    cid.forEach(function(value, index) {
      total += value[1];
    });
    return total;

aldraco

function inventory(warehouse, shipment) {
  // create a key list of items already in warehouse
  
  function makeInvList(list) {
    var IL = [];
    list.forEach(function(item, index) {
      IL.push(item[1]);
    });
    return IL;
  }

aldraco

function permAlone(str) {
str = str.split('');
// find total permutations, or (str.length!)
  
// subtract possible pair perms
//    n = # of unique letters
//    x = # of each repeated letter
//  pair perms = n! * x!
var len = str.length; 
var letters = uniqueLetters(str);