Sha256: fd19648b8f48bd17b7c4b21f32dd8b486b811f2c6403c7d52703961100b1c3e0
Contents?: true
Size: 1.46 KB
Versions: 19
Compression:
Stored size: 1.46 KB
Contents
/* eslint-disable es-x/no-string-prototype-trim -- Polyfill imported */
import '../vendor/polyfills/Element/prototype/dataset.mjs'
import '../vendor/polyfills/String/prototype/trim.mjs'
/**
* Normalise string
*
* 'If it looks like a duck, and it quacks like a duck…' 🦆
*
* If the passed value looks like a boolean or a number, convert it to a boolean
* or number.
*
* Designed to be used to convert config passed via data attributes (which are
* always strings) into something sensible.
*
* @param {string} value - The value to normalise
* @returns {string | boolean | number | undefined} Normalised data
*/
export function normaliseString (value) {
if (typeof value !== 'string') {
return value
}
var trimmedValue = value.trim()
if (trimmedValue === 'true') {
return true
}
if (trimmedValue === 'false') {
return false
}
// Empty / whitespace-only strings are considered finite so we need to check
// the length of the trimmed string as well
if (trimmedValue.length > 0 && isFinite(trimmedValue)) {
return Number(trimmedValue)
}
return value
}
/**
* Normalise dataset
*
* Loop over an object and normalise each value using normaliseData function
*
* @param {DOMStringMap} dataset - HTML element dataset
* @returns {Object<string, unknown>} Normalised dataset
*/
export function normaliseDataset (dataset) {
var out = {}
for (var key in dataset) {
out[key] = normaliseString(dataset[key])
}
return out
}
Version data entries
19 entries across 19 versions & 1 rubygems