Function: type() 
type(
type): <T>(source$) =>T&object
Defined in: libs/rxjs/src/lib/sources/type.operator.ts:19
type is a custom RxJS operator that mutates an RxJS Observable by setting a type property. It takes one argument, which will appear as the action type in Redux DevTools:

Example: Converting an observable into a source 
typescript
import { timer } from 'rxjs';
import { type } from '@state-adapt/rxjs';
const timer$ = timer(1000).pipe(type('timer$'));
timer$.subscribe(console.log);
// 0Parameters 
type 
string
Returns 
<
T>(source$):T&object
Type Parameters 
T 
T
Parameters 
source$ 
T
Returns 
T & object