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/**
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* --------------------------------------------------------------------------
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* Bootstrap (v4.6.2): util.js
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* Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
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* --------------------------------------------------------------------------
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*/
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import $ from 'jquery'
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/**
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* Private TransitionEnd Helpers
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*/
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const TRANSITION_END = 'transitionend'
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const MAX_UID = 1000000
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const MILLISECONDS_MULTIPLIER = 1000
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// Shoutout AngusCroll (https://goo.gl/pxwQGp)
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function toType(obj) {
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if (obj === null || typeof obj === 'undefined') {
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return `${obj}`
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}
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return {}.toString.call(obj).match(/\s([a-z]+)/i)[1].toLowerCase()
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}
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function getSpecialTransitionEndEvent() {
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return {
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bindType: TRANSITION_END,
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delegateType: TRANSITION_END,
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handle(event) {
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if ($(event.target).is(this)) {
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return event.handleObj.handler.apply(this, arguments) // eslint-disable-line prefer-rest-params
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}
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return undefined
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}
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}
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}
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function transitionEndEmulator(duration) {
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let called = false
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$(this).one(Util.TRANSITION_END, () => {
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called = true
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})
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setTimeout(() => {
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if (!called) {
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Util.triggerTransitionEnd(this)
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}
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}, duration)
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return this
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}
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function setTransitionEndSupport() {
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$.fn.emulateTransitionEnd = transitionEndEmulator
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$.event.special[Util.TRANSITION_END] = getSpecialTransitionEndEvent()
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}
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/**
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* Public Util API
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*/
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const Util = {
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TRANSITION_END: 'bsTransitionEnd',
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getUID(prefix) {
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do {
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// eslint-disable-next-line no-bitwise
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prefix += ~~(Math.random() * MAX_UID) // "~~" acts like a faster Math.floor() here
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} while (document.getElementById(prefix))
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return prefix
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},
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getSelectorFromElement(element) {
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let selector = element.getAttribute('data-target')
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if (!selector || selector === '#') {
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const hrefAttr = element.getAttribute('href')
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selector = hrefAttr && hrefAttr !== '#' ? hrefAttr.trim() : ''
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}
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try {
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return document.querySelector(selector) ? selector : null
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} catch (_) {
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return null
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}
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},
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getTransitionDurationFromElement(element) {
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if (!element) {
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return 0
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}
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// Get transition-duration of the element
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let transitionDuration = $(element).css('transition-duration')
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let transitionDelay = $(element).css('transition-delay')
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const floatTransitionDuration = parseFloat(transitionDuration)
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const floatTransitionDelay = parseFloat(transitionDelay)
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// Return 0 if element or transition duration is not found
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if (!floatTransitionDuration && !floatTransitionDelay) {
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return 0
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}
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// If multiple durations are defined, take the first
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transitionDuration = transitionDuration.split(',')[0]
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transitionDelay = transitionDelay.split(',')[0]
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return (parseFloat(transitionDuration) + parseFloat(transitionDelay)) * MILLISECONDS_MULTIPLIER
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},
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reflow(element) {
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return element.offsetHeight
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},
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triggerTransitionEnd(element) {
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$(element).trigger(TRANSITION_END)
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},
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supportsTransitionEnd() {
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return Boolean(TRANSITION_END)
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},
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isElement(obj) {
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return (obj[0] || obj).nodeType
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},
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typeCheckConfig(componentName, config, configTypes) {
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for (const property in configTypes) {
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if (Object.prototype.hasOwnProperty.call(configTypes, property)) {
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const expectedTypes = configTypes[property]
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const value = config[property]
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const valueType = value && Util.isElement(value) ?
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'element' : toType(value)
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if (!new RegExp(expectedTypes).test(valueType)) {
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throw new Error(
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`${componentName.toUpperCase()}: ` +
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`Option "${property}" provided type "${valueType}" ` +
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`but expected type "${expectedTypes}".`)
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}
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}
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}
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},
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findShadowRoot(element) {
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if (!document.documentElement.attachShadow) {
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return null
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}
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// Can find the shadow root otherwise it'll return the document
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if (typeof element.getRootNode === 'function') {
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const root = element.getRootNode()
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return root instanceof ShadowRoot ? root : null
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}
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if (element instanceof ShadowRoot) {
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return element
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}
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// when we don't find a shadow root
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if (!element.parentNode) {
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return null
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}
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return Util.findShadowRoot(element.parentNode)
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},
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jQueryDetection() {
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if (typeof $ === 'undefined') {
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throw new TypeError('Bootstrap\'s JavaScript requires jQuery. jQuery must be included before Bootstrap\'s JavaScript.')
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}
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const version = $.fn.jquery.split(' ')[0].split('.')
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const minMajor = 1
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const ltMajor = 2
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const minMinor = 9
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const minPatch = 1
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const maxMajor = 4
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if (version[0] < ltMajor && version[1] < minMinor || version[0] === minMajor && version[1] === minMinor && version[2] < minPatch || version[0] >= maxMajor) {
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throw new Error('Bootstrap\'s JavaScript requires at least jQuery v1.9.1 but less than v4.0.0')
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}
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}
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}
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Util.jQueryDetection()
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setTransitionEndSupport()
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export default Util
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