15 lines
692 B
JavaScript
15 lines
692 B
JavaScript
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import { map } from './map';
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import { innerFrom } from '../observable/innerFrom';
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import { operate } from '../util/lift';
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import { mergeInternals } from './mergeInternals';
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import { isFunction } from '../util/isFunction';
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export function mergeMap(project, resultSelector, concurrent = Infinity) {
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if (isFunction(resultSelector)) {
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return mergeMap((a, i) => map((b, ii) => resultSelector(a, b, i, ii))(innerFrom(project(a, i))), concurrent);
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}
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else if (typeof resultSelector === 'number') {
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concurrent = resultSelector;
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}
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return operate((source, subscriber) => mergeInternals(source, subscriber, project, concurrent));
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}
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//# sourceMappingURL=mergeMap.js.map
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