Node.js 8 the Right Way

Writing Modular Express Services

Throughout the remainder of the chapter, we’re going to build a RESTful web service with Express for creating and managing book bundles. These are basically named reading lists. Here’s an example of a book bundle:

{
  ​"name"​: ​"light reading"​,
  ​"books"​: [{
    ​"id"​: ​"pg132"​,
    ​"title"​: ​"The Art of War"​
  },{
    ​"id"​: ​"pg2680"​,
    ​"title"​: ​"Meditations"​,
  },{
    ​"id"​: ​"pg6456"​,
    ​"title"​: ​"Public Opinion"​
  }]
}

The name field is a user-defined string to identify the list. Names do not have to be unique. The books field contains a list of the books in that bundle. Each book is identified ...