29 lines
819 B
JavaScript
Executable file
29 lines
819 B
JavaScript
Executable file
'use strict';
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const _ = {
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isFunction: require('lodash/isFunction'),
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};
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const { from, of } = require('rxjs');
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const runAsync = require('run-async');
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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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* @return {Rx.Observable} - 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 (!_.isFunction(question[prop])) {
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return of(question);
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}
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return from(
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runAsync(question[prop])(answers).then((value) => {
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question[prop] = value;
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return question;
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})
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);
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};
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