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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63 lines
1.0 KiB
63 lines
1.0 KiB
4 years ago
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'use strict';
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var utils = require('lazy-cache')(require);
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var fn = require;
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require = utils;
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/**
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* Lazily required module dependencies
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*/
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require('engine-cache', 'Engines');
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require('define-property', 'define');
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require('is-valid-app', 'isValid');
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require = fn;
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/**
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* Arrayify the given value by casting it to an array.
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*/
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utils.arrayify = function(val) {
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return val ? (Array.isArray(val) ? val : [val]) : [];
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};
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/**
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* Return true if the given value is a string.
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*/
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utils.isString = function(val) {
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return val && typeof val === 'string';
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};
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/**
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* Ensure file extensions are formatted properly for lookups.
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*
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* ```js
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* utils.formatExt('hbs');
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* //=> '.hbs'
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*
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* utils.formatExt('.hbs');
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* //=> '.hbs'
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* ```
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*
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* @param {String} `ext` File extension
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* @return {String}
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* @api public
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*/
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utils.formatExt = function formatExt(ext) {
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if (typeof ext !== 'string') {
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throw new Error('expected a string');
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}
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if (ext.charAt(0) !== '.') {
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return '.' + ext;
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}
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return ext;
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};
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/**
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* Expose `utils` modules
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*/
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module.exports = utils;
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