34 lines
1.1 KiB
JavaScript
34 lines
1.1 KiB
JavaScript
'use strict';
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.flatMap = flatMap;
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exports.join = join;
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var _mergeConcurrently = require('./mergeConcurrently');
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/**
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* Map each value in the stream to a new stream, and merge it into the
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* returned outer stream. Event arrival times are preserved.
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* @param {function(x:*):Stream} f chaining function, must return a Stream
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* @param {Stream} stream
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* @returns {Stream} new stream containing all events from each stream returned by f
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*/
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function flatMap(f, stream) {
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return (0, _mergeConcurrently.mergeMapConcurrently)(f, Infinity, stream);
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}
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/**
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* Monadic join. Flatten a Stream<Stream<X>> to Stream<X> by merging inner
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* streams to the outer. Event arrival times are preserved.
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* @param {Stream<Stream<X>>} stream stream of streams
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* @returns {Stream<X>} new stream containing all events of all inner streams
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*/
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/** @license MIT License (c) copyright 2010-2016 original author or authors */
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/** @author Brian Cavalier */
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/** @author John Hann */
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function join(stream) {
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return (0, _mergeConcurrently.mergeConcurrently)(Infinity, stream);
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} |