[6a3a178] | 1 | /** PURE_IMPORTS_START _Observable,_scheduler_async,_util_isNumeric,_util_isScheduler PURE_IMPORTS_END */
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| 2 | import { Observable } from '../Observable';
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| 3 | import { async } from '../scheduler/async';
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| 4 | import { isNumeric } from '../util/isNumeric';
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| 5 | import { isScheduler } from '../util/isScheduler';
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| 6 | export function timer(dueTime, periodOrScheduler, scheduler) {
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| 7 | if (dueTime === void 0) {
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| 8 | dueTime = 0;
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| 9 | }
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| 10 | var period = -1;
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| 11 | if (isNumeric(periodOrScheduler)) {
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| 12 | period = Number(periodOrScheduler) < 1 && 1 || Number(periodOrScheduler);
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| 13 | }
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| 14 | else if (isScheduler(periodOrScheduler)) {
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| 15 | scheduler = periodOrScheduler;
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| 16 | }
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| 17 | if (!isScheduler(scheduler)) {
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| 18 | scheduler = async;
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| 19 | }
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| 20 | return new Observable(function (subscriber) {
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| 21 | var due = isNumeric(dueTime)
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| 22 | ? dueTime
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| 23 | : (+dueTime - scheduler.now());
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| 24 | return scheduler.schedule(dispatch, due, {
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| 25 | index: 0, period: period, subscriber: subscriber
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| 26 | });
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| 27 | });
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| 28 | }
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| 29 | function dispatch(state) {
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| 30 | var index = state.index, period = state.period, subscriber = state.subscriber;
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| 31 | subscriber.next(index);
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| 32 | if (subscriber.closed) {
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| 33 | return;
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| 34 | }
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| 35 | else if (period === -1) {
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| 36 | return subscriber.complete();
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| 37 | }
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| 38 | state.index = index + 1;
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| 39 | this.schedule(state, period);
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| 40 | }
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| 41 | //# sourceMappingURL=timer.js.map
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