example of intervalBackoff that is reset on mousemove.

intervalBackoffUseCase.ts

import {fromEvent} from 'rxjs';
import {sampleTime, startWith, switchMap} from 'rxjs/operators';
import {intervalBackoff} from 'backoff-rxjs';
import {service} from './service';

const newData$ = fromEvent(document, 'mousemove').pipe(
  
    // There could be many mousemoves, we'd want to sample only
    // with certain frequency
    sampleTime(1000),

    // Start immediately
    startWith(null),

    // Resetting exponential interval operator
    switchMap(() => intervalBackoff(1000)),
    switchMap(() => service.getData()),
  );