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* --------------------------------------------------------------------------
* Bootstrap (v5.2.3): util/index.js
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
* --------------------------------------------------------------------------
*/
const MAX_UID = 1_000_000
const MILLISECONDS_MULTIPLIER = 1000
const TRANSITION_END = 'transitionend'
// Shout-out Angus Croll (https://goo.gl/pxwQGp)
const toType = object => {
if (object === null || object === undefined) {
return `${object}`
}
return Object.prototype.toString.call(object).match(/\s([a-z]+)/i)[1].toLowerCase()
}
/**
* Public Util API
*/
const getUID = prefix => {
do {
prefix += Math.floor(Math.random() * MAX_UID)
} while (document.getElementById(prefix))
return prefix
}
const getSelector = element => {
let selector = element.getAttribute('data-bs-target')
if (!selector || selector === '#') {
let hrefAttribute = element.getAttribute('href')
// The only valid content that could double as a selector are IDs or classes,
// so everything starting with `#` or `.`. If a "real" URL is used as the selector,
// `document.querySelector` will rightfully complain it is invalid.
// See https://github.com/twbs/bootstrap/issues/32273
if (!hrefAttribute || (!hrefAttribute.includes('#') && !hrefAttribute.startsWith('.'))) {
return null
}
// Just in case some CMS puts out a full URL with the anchor appended
if (hrefAttribute.includes('#') && !hrefAttribute.startsWith('#')) {
hrefAttribute = `#${hrefAttribute.split('#')[1]}`
}
selector = hrefAttribute && hrefAttribute !== '#' ? hrefAttribute.trim() : null
}
return selector
}
const getSelectorFromElement = element => {
const selector = getSelector(element)
if (selector) {
return document.querySelector(selector) ? selector : null
}
return null
}
const getElementFromSelector = element => {
const selector = getSelector(element)
return selector ? document.querySelector(selector) : null
}
const getTransitionDurationFromElement = element => {
if (!element) {
return 0
}
// Get transition-duration of the element
let { transitionDuration, transitionDelay } = window.getComputedStyle(element)
const floatTransitionDuration = Number.parseFloat(transitionDuration)
const floatTransitionDelay = Number.parseFloat(transitionDelay)
// Return 0 if element or transition duration is not found
if (!floatTransitionDuration && !floatTransitionDelay) {
return 0
}
// If multiple durations are defined, take the first
transitionDuration = transitionDuration.split(',')[0]
transitionDelay = transitionDelay.split(',')[0]
return (Number.parseFloat(transitionDuration) + Number.parseFloat(transitionDelay)) * MILLISECONDS_MULTIPLIER
}
const triggerTransitionEnd = element => {
element.dispatchEvent(new Event(TRANSITION_END))
}
const isElement = object => {
if (!object || typeof object !== 'object') {
return false
}
if (typeof object.jquery !== 'undefined') {
object = object[0]
}
return typeof object.nodeType !== 'undefined'
}
const getElement = object => {
// it's a jQuery object or a node element
if (isElement(object)) {
return object.jquery ? object[0] : object
}
if (typeof object === 'string' && object.length > 0) {
return document.querySelector(object)
}
return null
}
const isVisible = element => {
if (!isElement(element) || element.getClientRects().length === 0) {
return false
}
const elementIsVisible = getComputedStyle(element).getPropertyValue('visibility') === 'visible'
// Handle `details` element as its content may falsie appear visible when it is closed
const closedDetails = element.closest('details:not([open])')
if (!closedDetails) {
return elementIsVisible
}
if (closedDetails !== element) {
const summary = element.closest('summary')
Iif (summary && summary.parentNode !== closedDetails) {
return false
}
if (summary === null) {
return false
}
}
return elementIsVisible
}
const isDisabled = element => {
if (!element || element.nodeType !== Node.ELEMENT_NODE) {
return true
}
if (element.classList.contains('disabled')) {
return true
}
if (typeof element.disabled !== 'undefined') {
return element.disabled
}
return element.hasAttribute('disabled') && element.getAttribute('disabled') !== 'false'
}
const findShadowRoot = element => {
Iif (!document.documentElement.attachShadow) {
return null
}
// Can find the shadow root otherwise it'll return the document
Eif (typeof element.getRootNode === 'function') {
const root = element.getRootNode()
return root instanceof ShadowRoot ? root : null
}
if (element instanceof ShadowRoot) {
return element
}
// when we don't find a shadow root
if (!element.parentNode) {
return null
}
return findShadowRoot(element.parentNode)
}
const noop = () => {}
/**
* Trick to restart an element's animation
*
* @param {HTMLElement} element
* @return void
*
* @see https://www.charistheo.io/blog/2021/02/restart-a-css-animation-with-javascript/#restarting-a-css-animation
*/
const reflow = element => {
element.offsetHeight // eslint-disable-line no-unused-expressions
}
const getjQuery = () => {
if (window.jQuery && !document.body.hasAttribute('data-bs-no-jquery')) {
return window.jQuery
}
return null
}
const DOMContentLoadedCallbacks = []
const onDOMContentLoaded = callback => {
if (document.readyState === 'loading') {
// add listener on the first call when the document is in loading state
if (!DOMContentLoadedCallbacks.length) {
document.addEventListener('DOMContentLoaded', () => {
for (const callback of DOMContentLoadedCallbacks) {
callback()
}
})
}
DOMContentLoadedCallbacks.push(callback)
} else {
callback()
}
}
const isRTL = () => document.documentElement.dir === 'rtl'
const defineJQueryPlugin = plugin => {
onDOMContentLoaded(() => {
const $ = getjQuery()
/* istanbul ignore if */
if ($) {
const name = plugin.NAME
const JQUERY_NO_CONFLICT = $.fn[name]
$.fn[name] = plugin.jQueryInterface
$.fn[name].Constructor = plugin
$.fn[name].noConflict = () => {
$.fn[name] = JQUERY_NO_CONFLICT
return plugin.jQueryInterface
}
}
})
}
const execute = callback => {
if (typeof callback === 'function') {
callback()
}
}
const executeAfterTransition = (callback, transitionElement, waitForTransition = true) => {
if (!waitForTransition) {
execute(callback)
return
}
const durationPadding = 5
const emulatedDuration = getTransitionDurationFromElement(transitionElement) + durationPadding
let called = false
const handler = ({ target }) => {
if (target !== transitionElement) {
return
}
called = true
transitionElement.removeEventListener(TRANSITION_END, handler)
execute(callback)
}
transitionElement.addEventListener(TRANSITION_END, handler)
setTimeout(() => {
if (!called) {
triggerTransitionEnd(transitionElement)
}
}, emulatedDuration)
}
/**
* Return the previous/next element of a list.
*
* @param {array} list The list of elements
* @param activeElement The active element
* @param shouldGetNext Choose to get next or previous element
* @param isCycleAllowed
* @return {Element|elem} The proper element
*/
const getNextActiveElement = (list, activeElement, shouldGetNext, isCycleAllowed) => {
const listLength = list.length
let index = list.indexOf(activeElement)
// if the element does not exist in the list return an element
// depending on the direction and if cycle is allowed
if (index === -1) {
return !shouldGetNext && isCycleAllowed ? list[listLength - 1] : list[0]
}
index += shouldGetNext ? 1 : -1
if (isCycleAllowed) {
index = (index + listLength) % listLength
}
return list[Math.max(0, Math.min(index, listLength - 1))]
}
export {
defineJQueryPlugin,
execute,
executeAfterTransition,
findShadowRoot,
getElement,
getElementFromSelector,
getjQuery,
getNextActiveElement,
getSelectorFromElement,
getTransitionDurationFromElement,
getUID,
isDisabled,
isElement,
isRTL,
isVisible,
noop,
onDOMContentLoaded,
reflow,
triggerTransitionEnd,
toType
}
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