29 lines
1.1 KiB
JavaScript
29 lines
1.1 KiB
JavaScript
/** PURE_IMPORTS_START _Observable,_util_isScheduler,_operators_mergeAll,_fromArray PURE_IMPORTS_END */
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import { Observable } from '../Observable';
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import { isScheduler } from '../util/isScheduler';
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import { mergeAll } from '../operators/mergeAll';
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import { fromArray } from './fromArray';
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export function merge() {
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var observables = [];
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for (var _i = 0; _i < arguments.length; _i++) {
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observables[_i] = arguments[_i];
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}
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var concurrent = Number.POSITIVE_INFINITY;
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var scheduler = null;
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var last = observables[observables.length - 1];
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if (isScheduler(last)) {
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scheduler = observables.pop();
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if (observables.length > 1 && typeof observables[observables.length - 1] === 'number') {
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concurrent = observables.pop();
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}
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}
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else if (typeof last === 'number') {
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concurrent = observables.pop();
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}
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if (scheduler === null && observables.length === 1 && observables[0] instanceof Observable) {
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return observables[0];
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}
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return mergeAll(concurrent)(fromArray(observables, scheduler));
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}
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//# sourceMappingURL=merge.js.map
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