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/** * -------------------------------------------------------------------------- * Bootstrap (v4.6.2): util.js * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE) * -------------------------------------------------------------------------- */ import $ from 'jquery' /** * Private TransitionEnd Helpers */ const TRANSITION_END = 'transitionend' const MAX_UID = 1000000 const MILLISECONDS_MULTIPLIER = 1000 // Shoutout AngusCroll (https://goo.gl/pxwQGp) function toType(obj) { if (obj === null || typeof obj === 'undefined') { return `${obj}` } return {}.toString.call(obj).match(/\s([a-z]+)/i)[1].toLowerCase() } function getSpecialTransitionEndEvent() { return { bindType: TRANSITION_END, delegateType: TRANSITION_END, handle(event) { if ($(event.target).is(this)) { return event.handleObj.handler.apply(this, arguments) // eslint-disable-line prefer-rest-params } return undefined } } } function transitionEndEmulator(duration) { let called = false $(this).one(Util.TRANSITION_END, () => { called = true }) setTimeout(() => { if (!called) { Util.triggerTransitionEnd(this) } }, duration) return this } function setTransitionEndSupport() { $.fn.emulateTransitionEnd = transitionEndEmulator $.event.special[Util.TRANSITION_END] = getSpecialTransitionEndEvent() } /** * Public Util API */ const Util = { TRANSITION_END: 'bsTransitionEnd', getUID(prefix) { do { // eslint-disable-next-line no-bitwise prefix += ~~(Math.random() * MAX_UID) // "~~" acts like a faster Math.floor() here } while (document.getElementById(prefix)) return prefix }, getSelectorFromElement(element) { let selector = element.getAttribute('data-target') if (!selector || selector === '#') { const hrefAttr = element.getAttribute('href') selector = hrefAttr && hrefAttr !== '#' ? hrefAttr.trim() : '' } try { return document.querySelector(selector) ? selector : null } catch (_) { return null } }, getTransitionDurationFromElement(element) { if (!element) { return 0 } // Get transition-duration of the element let transitionDuration = $(element).css('transition-duration') let transitionDelay = $(element).css('transition-delay') const floatTransitionDuration = parseFloat(transitionDuration) const floatTransitionDelay = 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 (parseFloat(transitionDuration) + parseFloat(transitionDelay)) * MILLISECONDS_MULTIPLIER }, reflow(element) { return element.offsetHeight }, triggerTransitionEnd(element) { $(element).trigger(TRANSITION_END) }, supportsTransitionEnd() { return Boolean(TRANSITION_END) }, isElement(obj) { return (obj[0] || obj).nodeType }, typeCheckConfig(componentName, config, configTypes) { for (const property in configTypes) { if (Object.prototype.hasOwnProperty.call(configTypes, property)) { const expectedTypes = configTypes[property] const value = config[property] const valueType = value && Util.isElement(value) ? 'element' : toType(value) if (!new RegExp(expectedTypes).test(valueType)) { throw new Error( `${componentName.toUpperCase()}: ` + `Option "${property}" provided type "${valueType}" ` + `but expected type "${expectedTypes}".`) } } } }, findShadowRoot(element) { if (!document.documentElement.attachShadow) { return null } // Can find the shadow root otherwise it'll return the document if (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 Util.findShadowRoot(element.parentNode) }, jQueryDetection() { if (typeof $ === 'undefined') { throw new TypeError('Bootstrap\'s JavaScript requires jQuery. jQuery must be included before Bootstrap\'s JavaScript.') } const version = $.fn.jquery.split(' ')[0].split('.') const minMajor = 1 const ltMajor = 2 const minMinor = 9 const minPatch = 1 const maxMajor = 4 if (version[0] < ltMajor && version[1] < minMinor || version[0] === minMajor && version[1] === minMinor && version[2] < minPatch || version[0] >= maxMajor) { throw new Error('Bootstrap\'s JavaScript requires at least jQuery v1.9.1 but less than v4.0.0') } } } Util.jQueryDetection() setTransitionEndSupport() export default Util