how to use the notification function from the rxjs library in typescript

To use the notification function from the rxjs library in TypeScript, you need to import it from the library.

Here is an example of how to use the notification function in TypeScript:

index.ts
import { Notification } from 'rxjs';

const foo = new Notification('N', 'V');
foo.observe({
  next: value => console.log('Next:', value),
  error: error => console.error('Error:', error),
  complete: () => console.log('Complete'),
});
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In this example, we import the Notification class from the rxjs library. We then create a new instance of the Notification class, passing in two arguments: the type of notification (N) and the associated value (V).

We then use the observe method of the notification object to subscribe to the notification. In the callback functions for next, error, and complete, we log different messages to the console depending on the outcome of the notification.

This is just a simple example, but it should give you an idea of how to use the notification function from the rxjs library in your TypeScript code.