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Last change
on this file was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
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initial commit
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1.0 KB
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| 1 | /** PURE_IMPORTS_START _Observable,_scheduler_async,_util_isNumeric 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 | export function interval(period, scheduler) {
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| 6 | if (period === void 0) {
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| 7 | period = 0;
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| 8 | }
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| 9 | if (scheduler === void 0) {
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| 10 | scheduler = async;
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| 11 | }
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| 12 | if (!isNumeric(period) || period < 0) {
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| 13 | period = 0;
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| 14 | }
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| 15 | if (!scheduler || typeof scheduler.schedule !== 'function') {
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| 16 | scheduler = async;
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| 17 | }
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| 18 | return new Observable(function (subscriber) {
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| 19 | subscriber.add(scheduler.schedule(dispatch, period, { subscriber: subscriber, counter: 0, period: period }));
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| 20 | return subscriber;
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| 21 | });
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| 22 | }
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| 23 | function dispatch(state) {
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| 24 | var subscriber = state.subscriber, counter = state.counter, period = state.period;
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| 25 | subscriber.next(counter);
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| 26 | this.schedule({ subscriber: subscriber, counter: counter + 1, period: period }, period);
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| 27 | }
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| 28 | //# sourceMappingURL=interval.js.map
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