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Last change
on this file since eed0bf8 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
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initial commit
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901 bytes
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| 1 | import { Observable } from '../Observable';
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| 2 | import { isScheduler } from '../util/isScheduler';
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| 3 | import { mergeAll } from '../operators/mergeAll';
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| 4 | import { fromArray } from './fromArray';
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| 5 | export function merge(...observables) {
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| 6 | let concurrent = Number.POSITIVE_INFINITY;
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| 7 | let scheduler = null;
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| 8 | let last = observables[observables.length - 1];
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| 9 | if (isScheduler(last)) {
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| 10 | scheduler = observables.pop();
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| 11 | if (observables.length > 1 && typeof observables[observables.length - 1] === 'number') {
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| 12 | concurrent = observables.pop();
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| 13 | }
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| 14 | }
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| 15 | else if (typeof last === 'number') {
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| 16 | concurrent = observables.pop();
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| 17 | }
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| 18 | if (scheduler === null && observables.length === 1 && observables[0] instanceof Observable) {
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| 19 | return observables[0];
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| 20 | }
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| 21 | return mergeAll(concurrent)(fromArray(observables, scheduler));
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| 22 | }
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| 23 | //# sourceMappingURL=merge.js.map |
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