Last change
on this file was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
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[6a3a178] | 1 | import { Observable } from '../Observable';
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| 2 | export function range(start = 0, count, scheduler) {
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| 3 | return new Observable(subscriber => {
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| 4 | if (count === undefined) {
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| 5 | count = start;
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| 6 | start = 0;
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| 7 | }
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| 8 | let index = 0;
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| 9 | let current = start;
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| 10 | if (scheduler) {
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| 11 | return scheduler.schedule(dispatch, 0, {
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| 12 | index, count, start, subscriber
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| 13 | });
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| 14 | }
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| 15 | else {
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| 16 | do {
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| 17 | if (index++ >= count) {
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| 18 | subscriber.complete();
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| 19 | break;
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| 20 | }
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| 21 | subscriber.next(current++);
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| 22 | if (subscriber.closed) {
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| 23 | break;
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| 24 | }
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| 25 | } while (true);
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| 26 | }
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| 27 | return undefined;
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| 28 | });
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| 29 | }
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| 30 | export function dispatch(state) {
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| 31 | const { start, index, count, subscriber } = state;
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| 32 | if (index >= count) {
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| 33 | subscriber.complete();
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| 34 | return;
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| 35 | }
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| 36 | subscriber.next(start);
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| 37 | if (subscriber.closed) {
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| 38 | return;
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| 39 | }
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| 40 | state.index = index + 1;
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| 41 | state.start = start + 1;
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| 42 | this.schedule(state);
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| 43 | }
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| 44 | //# sourceMappingURL=range.js.map |
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