Generate and Lazy Load the PostsModule
We will generate the PostsModule using the ng command and lazy load the PostsModule in the AppRoutingModule.
Using the ng generate command, we can generate or scaffold out all sorts of code that can be used in our Angular application.
We will use the ng generate module command to generate our PostsModule.
This command has one required parameter, which is the name. In our application, we will call this module posts. A second optional parameter is passed in in order to create a separate file to hold the routes for this module, the PostsRoutingModule:
Open your terminal and navigate to the project directory.
Run the following command from inside the project directory:
ng g m posts --routing
As you can see from the output of the command, our PostsModule is generated in the new folder src/app/posts:

In contrast to how we load our UiModule by importing it into our AppModule, we will lazy load our PostsModule using our AppRoutingModule.
This is an optimization of how...