LoopBack w/ a co-routine based API

co-loopback.js

var co = require('co');
var thunk = require('thunkify');
var loopback = require('loopback');
var memory = loopback.memory();
var product = memory.createModel('memory');

// thunkify the loopback model
thunkify();

// create some products in parallel
// then find them all
co(function *() {
  var max = 99;
  var thunks = [];

  while(max--) {
    thunks.push(
      product.create({
        name: 'product-' + max,
        price: Math.floor(Math.random() * 10000) / 100
      })
    )
  }

  yield thunks;

  console.log('Products (%s):', yield product.count());
  console.log(yield product.find());
})();

function thunkify() {
  var methods = [
    "validate",
    "create",
    "upsert",
    "exists",
    "findById",
    "find",
    "findOne",
    "destroyAll",
    "remove",
    "destroyById",
    "deleteById",
    "removeById",
    "count",
    "include"
  ];

  methods.forEach(function(name){
    if (!product[name]) return;
    product[name] = thunk(product[name]);
  });
}

output.txt

Products (99):
[ { id: 1, name: 'product-98', price: 28.13 },
  { id: 2, name: 'product-97', price: 40.92 },
  { id: 3, name: 'product-96', price: 25.68 },
  { id: 4, name: 'product-95', price: 46.95 },
  { id: 5, name: 'product-94', price: 58.01 },
  { id: 6, name: 'product-93', price: 25.91 },
  { id: 7, name: 'product-92', price: 99.22 },
  { id: 8, name: 'product-91', price: 19.17 },
  { id: 9, name: 'product-90', price: 39.54 },
  { id: 10, name: 'product-89', price: 31.44 },
  { id: 11, name: 'product-88', price: 48.96 },
  { id: 12, name: 'product-87', price: 48.27 },
  { id: 13, name: 'product-86', price: 24.58 },
  { id: 14, name: 'product-85', price: 26.57 },
  { id: 15, name: 'product-84', price: 76.91 },
  { id: 16, name: 'product-83', price: 34.65 },
  { id: 17, name: 'product-82', price: 19.35 },
  { id: 18, name: 'product-81', price: 4.69 },
  { id: 19, name: 'product-80', price: 1.91 },
  { id: 20, name: 'product-79', price: 68.23 },
  { id: 21, name: 'product-78', price: 25.33 },
  { id: 22, name: 'product-77', price: 27.68 },
  { id: 23, name: 'product-76', price: 40.65 },
  { id: 24, name: 'product-75', price: 48.55 },
  { id: 25, name: 'product-74', price: 6.24 },
  { id: 26, name: 'product-73', price: 1.28 },
  { id: 27, name: 'product-72', price: 6.59 },
  { id: 28, name: 'product-71', price: 52.26 },
  { id: 29, name: 'product-70', price: 51.41 },
  { id: 30, name: 'product-69', price: 61.54 },
  { id: 31, name: 'product-68', price: 30.63 },
  { id: 32, name: 'product-67', price: 42.57 },
  { id: 33, name: 'product-66', price: 16.03 },
  { id: 34, name: 'product-65', price: 65.12 },
  { id: 35, name: 'product-64', price: 18.9 },
  { id: 36, name: 'product-63', price: 8.79 },
  { id: 37, name: 'product-62', price: 77.51 },
  { id: 38, name: 'product-61', price: 94.44 },
  { id: 39, name: 'product-60', price: 40.79 },
  { id: 40, name: 'product-59', price: 32.34 },
  { id: 41, name: 'product-58', price: 9.29 },
  { id: 42, name: 'product-57', price: 19.71 },
  { id: 43, name: 'product-56', price: 56.94 },
  { id: 44, name: 'product-55', price: 95.82 },
  { id: 45, name: 'product-54', price: 57.08 },
  { id: 46, name: 'product-53', price: 56.75 },
  { id: 47, name: 'product-52', price: 32.74 },
  { id: 48, name: 'product-51', price: 58.6 },
  { id: 49, name: 'product-50', price: 30.93 },
  { id: 50, name: 'product-49', price: 11.52 },
  { id: 51, name: 'product-48', price: 90.34 },
  { id: 52, name: 'product-47', price: 69.98 },
  { id: 53, name: 'product-46', price: 82.29 },
  { id: 54, name: 'product-45', price: 71.84 },
  { id: 55, name: 'product-44', price: 31.41 },
  { id: 56, name: 'product-43', price: 63.31 },
  { id: 57, name: 'product-42', price: 89.54 },
  { id: 58, name: 'product-41', price: 67.08 },
  { id: 59, name: 'product-40', price: 84.62 },
  { id: 60, name: 'product-39', price: 10.17 },
  { id: 61, name: 'product-38', price: 66.66 },
  { id: 62, name: 'product-37', price: 78.48 },
  { id: 63, name: 'product-36', price: 46.19 },
  { id: 64, name: 'product-35', price: 10.62 },
  { id: 65, name: 'product-34', price: 64.9 },
  { id: 66, name: 'product-33', price: 32.63 },
  { id: 67, name: 'product-32', price: 43.96 },
  { id: 68, name: 'product-31', price: 3.5 },
  { id: 69, name: 'product-30', price: 53.54 },
  { id: 70, name: 'product-29', price: 46.29 },
  { id: 71, name: 'product-28', price: 60.26 },
  { id: 72, name: 'product-27', price: 94.06 },
  { id: 73, name: 'product-26', price: 58.41 },
  { id: 74, name: 'product-25', price: 6.96 },
  { id: 75, name: 'product-24', price: 57.55 },
  { id: 76, name: 'product-23', price: 91.86 },
  { id: 77, name: 'product-22', price: 0.05 },
  { id: 78, name: 'product-21', price: 31.79 },
  { id: 79, name: 'product-20', price: 11.48 },
  { id: 80, name: 'product-19', price: 2.9 },
  { id: 81, name: 'product-18', price: 21.55 },
  { id: 82, name: 'product-17', price: 9.2 },
  { id: 83, name: 'product-16', price: 34.38 },
  { id: 84, name: 'product-15', price: 37.41 },
  { id: 85, name: 'product-14', price: 18.85 },
  { id: 86, name: 'product-13', price: 34.57 },
  { id: 87, name: 'product-12', price: 99.93 },
  { id: 88, name: 'product-11', price: 24.16 },
  { id: 89, name: 'product-10', price: 80.29 },
  { id: 90, name: 'product-9', price: 91.32 },
  { id: 91, name: 'product-8', price: 24.5 },
  { id: 92, name: 'product-7', price: 14.42 },
  { id: 93, name: 'product-6', price: 37.19 },
  { id: 94, name: 'product-5', price: 26.1 },
  { id: 95, name: 'product-4', price: 55.39 },
  { id: 96, name: 'product-3', price: 64.54 },
  { id: 97, name: 'product-2', price: 78.81 },
  { id: 98, name: 'product-1', price: 54.25 },
  { id: 99, name: 'product-0', price: 2.3 } ]