Design Patterns in Angular

Design Patterns in Angular

Source: Design Patterns in Angular

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In Angular, which is a popular JavaScript framework for building web applications, several design patterns are commonly used to structure and organize code. These design patterns help developers create maintainable, scalable, and modular applications.

Here are some of the design patterns frequently utilized in Angular:

1. Singleton Pattern: Angular services are often implemented using the Singleton pattern. A service is instantiated once and shared across multiple components, allowing them to communicate and share data.

To implement the Singleton pattern in Angular, you can follow these steps:

a. Create a service using the Angular CLI:

ng generate service MySingletonService

b. There are two ways to create a single service in angular that is by using

-> providedIn property

-> NgModule providers arrays

c. Open the generated service file (`my-singleton-service.service.ts`) and modify it as follows:

import { Injectable…