37 lines
1.1 KiB
JavaScript
37 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.observe = observe;
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exports.drain = drain;
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var _runSource = require('../runSource');
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var _transform = require('./transform');
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/**
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* Observe all the event values in the stream in time order. The
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* provided function `f` will be called for each event value
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* @param {function(x:T):*} f function to call with each event value
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* @param {Stream<T>} stream stream to observe
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* @return {Promise} promise that fulfills after the stream ends without
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* an error, or rejects if the stream ends with an error.
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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 observe(f, stream) {
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return drain((0, _transform.tap)(f, stream));
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}
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/**
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* "Run" a stream by creating demand and consuming all events
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* @param {Stream<T>} stream stream to drain
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* @return {Promise} promise that fulfills after the stream ends without
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* an error, or rejects if the stream ends with an error.
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*/
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function drain(stream) {
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return (0, _runSource.withDefaultScheduler)(stream.source);
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} |