shopicruit.js

var request = require('request'),
    url = 'http://shopicruit.myshopify.com/products.json',
    cost = 0

function main() {
  request(url, function(err, res, body) {
    if(!err && res.statusCode == 200) {
      var products = JSON.parse(body).products
      products.forEach(function(product) {
        if(isWallet(product) || isLamp(product)) {
          buyAllVariants(product)
        }
      })

      checkout()
    }
  })

  function isWallet(product) {
    return product.title.match(/wallet/i) != null
  }

  function isLamp (product) {
    return product.title.match(/lamp/i) != null
  }

  function buyAllVariants(product) {
    product.variants.forEach(function(variant) {
      cost += parseFloat(variant.price)
    })
  }

  function checkout() {
    console.log("Your bill amounts to " + cost + "!")
  }
}

main()