Modeling Stores and Products with Archetype

archetype-20180119-store-products.js

const Archetype = require('archetype');

// Generic product type, because prices are specific to each store
const ProductType = new Archetype({
  name: {
    $type: 'string',
    $required: true
  }
}).compile('ProductType');

// Extend the base `ProductType` to have a price
const StoreProductType = ProductType.
  path('price', {
    $type: 'number',
    $required: true
  }).
  compile('StoreProductType');

// Each store now has an array of products that have prices
const StoreType = new Archetype({
  products: {
    $type: [StoreProductType],
    $required: true,
    $default: []
  }
}).compile('StoreType');

// StoreType {
//   products: 
//    [ StoreProductType { name: 'Professional AngularJS', price: 34.99 } ] }
console.log(new StoreType({
  products: [
    { name: 'Professional AngularJS', price: 34.99 }
  ]
}));