StackGenVis: Alignment of Data, Algorithms, and Models for Stacking Ensemble Learning Using Performance Metrics
https://doi.org/10.1109/TVCG.2020.3030352
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45 lines
1.3 KiB
45 lines
1.3 KiB
4 years ago
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'use strict';
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var utils = require('./');
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/**
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* Create an oversable returning the result of a function runned in sync or async mode.
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* @param {Function} func Function to run
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* @return {utils.rx.Observable} Observable emitting when value is known
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*/
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exports.createObservableFromAsync = function(func) {
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return utils.rx.Observable.defer(function() {
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return utils.rx.Observable.create(function(obs) {
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utils.runAsync(func, function(value) {
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obs.onNext(value);
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obs.onCompleted();
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});
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});
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});
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};
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/**
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* Resolve a question property value if it is passed as a function.
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* This method will overwrite the property on the question object with the received value.
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* @param {Object} question - Question object
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* @param {String} prop - Property to fetch name
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* @param {Object} answers - Answers object
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* @...rest {Mixed} rest - Arguments to pass to `func`
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* @return {utils.rx.Obsersable} - Observable emitting once value is known
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*/
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exports.fetchAsyncQuestionProperty = function(question, prop, answers) {
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if (typeof question[prop] !== 'function') {
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return utils.rx.Observable.return(question);
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}
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return exports.createObservableFromAsync(function() {
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var done = this.async();
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utils.runAsync(question[prop], function(value) {
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question[prop] = value;
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done(question);
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}, answers);
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});
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};
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