Angular Project Architecture: A Step-by-Step Guide

Angular scalable project architecture | Folder structure best practices | Enterprise applications
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What is shared module ?
What is core Module ?
What is feature module ?
Where we should import core and shared module.
In an Angular application, the SharedModule and CoreModule serve distinct purposes and should be imported accordingly. Here's how to handle them:
Shared Module
The SharedModule is designed to contain components, directives, and pipes that will be used across multiple modules in the application. Typically, it does not provide services (since services in a shared module could lead to multiple instances of the same service).
Core Module
The CoreModule is intended to hold singleton services that will be used throughout the application. Typically, it contains services that should be instantiated once for the entire application (e.g., authentication services, HTTP interceptors).
Where to Import:
Import CoreModule only once in the root AppModule. This prevents multiple instances of services.