Creating a Global Error Handler

The Angular framework provides the ErrorHandler class for handling errors globally in an Angular application. The default implementation of the ErrorHandler class prints error messages in the browser console window. To create a custom error handler for our application, we need to sub-class the ErrorHandler class and provide our tailored implementation for error logging:

1. Create a file named app-error-handler.ts in the src\app folder of an Angular application.

2. Add the following import statements: