JavaScript Factory Patterns
Since June has 5 Sundays in it, today I will write a bonus article :) Following our last week's article about Publish and Subscribe Pattern with Postal.js , I'd like to broaden the topic talking about design patterns . The design patterns from the Gang of Four book offer solutions to common problems related to the object-oriented software design. It has been in use for decades and implemented in all server side languages. It's time we use them with JavaScript and start to write some piece of decent code. I'll be writing a series of articles covering all of them. As in the book, we'll be starting with creational patterns and cover both Abstract Factory and Factory Method patterns. Abstract classes and interfaces enforce consistent interfaces in derived classes. In JavaScript we must ensure this consistency ourselves by making sure that each 'concrete' object has the same interface definition (i.e. properties and methods) as the others. Abstr