+++ /dev/null
-import { Observable } from '../Observable';
-import { async } from '../scheduler/async';
-import { isNumeric } from '../util/isNumeric';
-export function interval(period = 0, scheduler = async) {
- if (!isNumeric(period) || period < 0) {
- period = 0;
- }
- if (!scheduler || typeof scheduler.schedule !== 'function') {
- scheduler = async;
- }
- return new Observable(subscriber => {
- subscriber.add(scheduler.schedule(dispatch, period, { subscriber, counter: 0, period }));
- return subscriber;
- });
-}
-function dispatch(state) {
- const { subscriber, counter, period } = state;
- subscriber.next(counter);
- this.schedule({ subscriber, counter: counter + 1, period }, period);
-}
-//# sourceMappingURL=interval.js.map
\ No newline at end of file