NullInjectorError: No provider for CookieService! when trying to add it to an Angular library service and use the service in Project

[arifahmed4208]

Describe the bug Getting NullInjectorError when trying to add ngx-cookie to an Angular library service and use the service in Project

To Reproduce Steps to reproduce the behavior:

1. Create a custom service in an Angular mono-repo library.
2. Install this package in root.
3. Inject cookie-service from CookieModule in your custom service as a DI.
4. Add CookieModule as an import in your library module
5. Expose your library module and your custom service via public-api.ts of your library.
6. Build your library.
7. Import your library module in your project's app-module
8. Inject the custom service of your library wherever you want to use it in your project.
9. ng-serve your project

Expected behavior Application should run without any errors.

Stacktrace If applicable, add stacktrace to help explain your problem.

Environment:

• Angular version [15]
• Browser [chrome,]
• Version [118.0.5993.88]
• OS: [e.g. windows]