rxjs debug operator

debug.ts

export function debug<T>(label: string) {
  return tap<T>(
    next => console.log(`[${label}]`, next),
    err => console.error(`[${label} -- ERR]`, err),
    () => console.log(`[${label}]`, 'complete')
  );
}
  
  /*
  Use:
  
  obs$.pipe(
    debug('obs$'),
    switchMap(v => this.load(v)),
    debug('load')
  );
  */