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use only dataset to get data attributes

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Johann-S 2019-02-13 20:25:08 +01:00 committed by XhmikosR
parent 764bab2941
commit 08227506f2
1 changed files with 3 additions and 21 deletions
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24
js/src/dom/manipulator.js
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@ -37,30 +37,12 @@ const Manipulator = {
},
getDataAttributes(element) {
if (typeof element === 'undefined' || element === null) {
if (!element) {
return {}
}
let attributes
if (Object.getOwnPropertyDescriptor(HTMLElement.prototype, 'dataset')) {
attributes = {
...element.dataset
}
} else {
attributes = {}
for (let i = 0; i < element.attributes.length; i++) {
const attribute = element.attributes[i]
if (attribute.nodeName.indexOf('data-') !== -1) {
// remove 'data-' part of the attribute name
const attributeName = attribute
.nodeName
.substring('data-'.length)
.replace(/-./g, (str) => str.charAt(1).toUpperCase())
attributes[attributeName] = attribute.nodeValue
}
}
const attributes = {
...element.dataset
}
Object.keys(attributes)