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|
/**
* --------------------------------------------------------------------------
* Bootstrap (v4.3.1): dom/manipulator.js
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
* --------------------------------------------------------------------------
*/
const regexDataKey = /[A-Z]/g
function normalizeData(val) {
if (val === 'true') {
return true
} else if (val === 'false') {
return false
} else if (val === 'null') {
return null
} else if (val === Number(val).toString()) {
return Number(val)
} else if (val === '') {
return null
}
return val
}
function normalizeDataKey(key) {
return key.replace(regexDataKey, (chr) => chr.toLowerCase())
}
const Manipulator = {
setDataAttribute(element, key, value) {
element.setAttribute(`data-${normalizeDataKey(key)}`, value)
},
removeDataAttribute(element, key) {
element.removeAttribute(`data-${normalizeDataKey(key)}`)
},
getDataAttributes(element) {
if (!element) {
return {}
}
const attributes = {
...element.dataset
}
Object.keys(attributes)
.forEach((key) => {
attributes[key] = normalizeData(attributes[key])
})
return attributes
},
getDataAttribute(element, key) {
return normalizeData(element
.getAttribute(`data-${normalizeDataKey(key)}`)
)
},
offset(element) {
const rect = element.getBoundingClientRect()
return {
top: rect.top + document.body.scrollTop,
left: rect.left + document.body.scrollLeft
}
},
position(element) {
return {
top: element.offsetTop,
left: element.offsetLeft
}
},
toggleClass(element, className) {
if (!element) {
return
}
if (element.classList.contains(className)) {
element.classList.remove(className)
} else {
element.classList.add(className)
}
}
}
export default Manipulator
|
