JSFiddle - React, Tailwind, and code Playground

by black strings

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/rxjs/8.0.0/rxjs.umd.js"></script>

TypeScript

import { Subject } from 'rxjs';
/* import { Subject } from 'rxjs/operators'; */

const test = () => {
	console.log('hello');
  const sub: Subject<void> = new Subject<void>();
  
}
test();