The 4 Creational Design Patterns In Node.js You Should Know

The 4 Creational Design Patterns In Node.js You Should Know

Get to know the Singleton, Factory, Builder, and Prototype patterns .The 4 Creational Design Patterns in Node.js That You Should Know. The 4 Creational Design Patterns In Node.js You Should Know. Design patterns, simply put, are a way for you to structure. We could do this with generators in JS.

First of all, let's start with an explanation of what design patterns are. In the simplest terms, they allow us to re-use code for re-occurring problems. Instead of solving the same problems again and again, we can re-use efficient code that already works. Why would you use design patterns? The reasons are that they are:

  • Well documented and tested
  • Reusable in many different situations
  • Efficient
  • Saving you time

There are three types of design patterns:

  1. Creational - the creation of the object instances
  2. Structural - the way the objects are designed
  3. Behavioural - how objects interact with each other

The Creational Design Patterns covered in the article are:

  1. Singleton
  2. Factory
  3. Builder
  4. Prototype

 These are the two ways of implementing the Singleton pattern in NodeJS. To recap:

  • Singleton is useful when you want only one instance of a class.
  • In NodeJS, we can make use of the module caching system to export an instance directly.

general programming javascript node.js node

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