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{"version":3,"file":"polyfill.js","sources":["../../src/util/index.js","../../src/dom/polyfill.js"],"sourcesContent":["/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.3.1): util/index.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst MAX_UID = 1000000\nconst MILLISECONDS_MULTIPLIER = 1000\nconst TRANSITION_END = 'transitionend'\nconst { jQuery } = window\n\n// Shoutout AngusCroll (https://goo.gl/pxwQGp)\nconst toType = obj => ({}.toString.call(obj).match(/\\s([a-z]+)/i)[1].toLowerCase())\n\n/**\n * --------------------------------------------------------------------------\n * Public Util Api\n * --------------------------------------------------------------------------\n */\n\nconst getUID = prefix => {\n do {\n // eslint-disable-next-line no-bitwise\n prefix += ~~(Math.random() * MAX_UID) // \"~~\" acts like a faster Math.floor() here\n } while (document.getElementById(prefix))\n\n return prefix\n}\n\nconst getSelectorFromElement = element => {\n let selector = element.getAttribute('data-target')\n\n if (!selector || selector === '#') {\n const hrefAttr = element.getAttribute('href')\n\n selector = hrefAttr && hrefAttr !== '#' ? hrefAttr.trim() : ''\n }\n\n try {\n return document.querySelector(selector) ? selector : null\n } catch (error) {\n return null\n }\n}\n\nconst getTransitionDurationFromElement = element => {\n if (!element) {\n return 0\n }\n\n // Get transition-duration of the element\n let {\n transitionDuration,\n transitionDelay\n } = window.getComputedStyle(element)\n\n const floatTransitionDuration = parseFloat(transitionDuration)\n const floatTransitionDelay = parseFloat(transitionDelay)\n\n // Return 0 if element or transition duration is not found\n if (!floatTransitionDuration && !floatTransitionDelay) {\n return 0\n }\n\n // If multiple durations are defined, take the 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= value && isElement(value) ?\n 'element' :\n toType(value)\n\n if (!new RegExp(expectedTypes).test(valueType)) {\n throw new Error(\n `${componentName.toUpperCase()}: ` +\n `Option \"${property}\" provided type \"${valueType}\" ` +\n `but expected type \"${expectedTypes}\".`)\n }\n })\n}\n\nconst makeArray = nodeList => {\n if (!nodeList) {\n return []\n }\n\n return [].slice.call(nodeList)\n}\n\nconst isVisible = element => {\n if (!element) {\n return false\n }\n\n if (element.style && element.parentNode && element.parentNode.style) {\n return element.style.display !== 'none' &&\n element.parentNode.style.display !== 'none' &&\n element.style.visibility !== 'hidden'\n }\n\n return false\n}\n\nconst findShadowRoot = element => {\n if (!document.documentElement.attachShadow) {\n return null\n }\n\n // Can find the shadow root otherwise it'll return the document\n if (typeof element.getRootNode === 'function') {\n const root = element.getRootNode()\n return root instanceof ShadowRoot ? 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MSEdge resets defaultPrevented flag upon dispatchEvent call if at least one listener is attached\n const defaultPreventedPreservedOnDispatch = (() => {\n const e = new CustomEvent('Bootstrap', {\n cancelable: true\n })\n\n const element = document.createElement('div')\n element.addEventListener('Bootstrap', () => null)\n\n e.preventDefault()\n element.dispatchEvent(e)\n return e.defaultPrevented\n })()\n\n let find = Element.prototype.querySelectorAll\n let findOne = Element.prototype.querySelector\n\n const scopeSelectorRegex = /:scope\\b/\n const supportScopeQuery = (() => {\n const element = document.createElement('div')\n\n try {\n element.querySelectorAll(':scope *')\n } catch (error) {\n return false\n }\n\n return true\n })()\n\n if (!supportScopeQuery) {\n find = function (selector) {\n if (!scopeSelectorRegex.test(selector)) {\n return this.querySelectorAll(selector)\n }\n\n const hasId = Boolean(this.id)\n\n if (!hasId) {\n this.id = getUID('scope')\n }\n\n let nodeList = 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