34 lines
No EOL
1.1 KiB
JavaScript
Executable file
34 lines
No EOL
1.1 KiB
JavaScript
Executable file
import { Observable } from '../Observable';
|
|
import { async as asyncScheduler } from '../scheduler/async';
|
|
import { isScheduler } from '../util/isScheduler';
|
|
import { isValidDate } from '../util/isDate';
|
|
export function timer(dueTime = 0, intervalOrScheduler, scheduler = asyncScheduler) {
|
|
let intervalDuration = -1;
|
|
if (intervalOrScheduler != null) {
|
|
if (isScheduler(intervalOrScheduler)) {
|
|
scheduler = intervalOrScheduler;
|
|
}
|
|
else {
|
|
intervalDuration = intervalOrScheduler;
|
|
}
|
|
}
|
|
return new Observable((subscriber) => {
|
|
let due = isValidDate(dueTime) ? +dueTime - scheduler.now() : dueTime;
|
|
if (due < 0) {
|
|
due = 0;
|
|
}
|
|
let n = 0;
|
|
return scheduler.schedule(function () {
|
|
if (!subscriber.closed) {
|
|
subscriber.next(n++);
|
|
if (0 <= intervalDuration) {
|
|
this.schedule(undefined, intervalDuration);
|
|
}
|
|
else {
|
|
subscriber.complete();
|
|
}
|
|
}
|
|
}, due);
|
|
});
|
|
}
|
|
//# sourceMappingURL=timer.js.map
|