Notes

links.txt

https://stackblitz.com/edit/angular-material-expandable-table-rows?file=app%2Ftable%2Ftable.component.html

rxjs.ts

const { fromEvent } = Rx;
const { buffer, map, debounceTime, filter } = RxOperators;

const mouse$ = fromEvent(document, 'click')

mouse$.pipe(
  buffer(mouse$.pipe(debounceTime(250))),
  filter(list => list.length >= 7),
  map(list => list.length)
);