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{"version":3,"file":"button.js","sources":["../src/util/index.js","../src/button.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 first\n transitionDuration = transitionDuration.split(',')[0]\n transitionDelay = transitionDelay.split(',')[0]\n\n return (parseFloat(transitionDuration) + parseFloat(transitionDelay)) * MILLISECONDS_MULTIPLIER\n}\n\nconst triggerTransitionEnd = element => {\n const evt = document.createEvent('HTMLEvents')\n\n evt.initEvent(TRANSITION_END, true, true)\n element.dispatchEvent(evt)\n}\n\nconst isElement = obj => (obj[0] || obj).nodeType\n\nconst emulateTransitionEnd = (element, duration) => {\n let called = false\n const durationPadding = 5\n const emulatedDuration = duration + durationPadding\n function listener() {\n called = true\n element.removeEventListener(TRANSITION_END, listener)\n }\n\n element.addEventListener(TRANSITION_END, listener)\n setTimeout(() => {\n if (!called) {\n triggerTransitionEnd(element)\n }\n }, emulatedDuration)\n}\n\nconst typeCheckConfig = (componentName, config, configTypes) => {\n Object.keys(configTypes)\n .forEach(property => {\n const expectedTypes = configTypes[property]\n const value = config[property]\n const valueType = 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 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'./util/index'\nimport Data from './dom/data'\nimport EventHandler from './dom/event-handler'\nimport SelectorEngine from './dom/selector-engine'\n\n/**\n * ------------------------------------------------------------------------\n * Constants\n * ------------------------------------------------------------------------\n */\n\nconst NAME = 'button'\nconst VERSION = '4.3.1'\nconst DATA_KEY = 'bs.button'\nconst EVENT_KEY = `.${DATA_KEY}`\nconst DATA_API_KEY = '.data-api'\n\nconst ClassName = {\n ACTIVE: 'active',\n BUTTON: 'btn',\n FOCUS: 'focus'\n}\n\nconst Selector = {\n DATA_TOGGLE_CARROT: '[data-toggle^=\"button\"]',\n DATA_TOGGLE: '[data-toggle=\"buttons\"]',\n INPUT: 'input:not([type=\"hidden\"])',\n ACTIVE: '.active',\n BUTTON: '.btn'\n}\n\nconst Event = {\n CLICK_DATA_API: `click${EVENT_KEY}${DATA_API_KEY}`,\n FOCUS_DATA_API: `focus${EVENT_KEY}${DATA_API_KEY}`,\n BLUR_DATA_API: `blur${EVENT_KEY}${DATA_API_KEY}`\n}\n\n/**\n * ------------------------------------------------------------------------\n * Class Definition\n * ------------------------------------------------------------------------\n */\n\nclass Button {\n constructor(element) {\n this._element = element\n Data.setData(element, DATA_KEY, this)\n }\n\n // Getters\n\n static get VERSION() {\n return VERSION\n }\n\n // Public\n\n toggle() {\n let triggerChangeEvent = true\n let addAriaPressed = true\n\n const rootElement = SelectorEngine.closest(\n this._element,\n Selector.DATA_TOGGLE\n )\n\n if (rootElement) {\n const input = SelectorEngine.findOne(Selector.INPUT, this._element)\n\n if (input) {\n if (input.type === 'radio') {\n if (input.checked &&\n this._element.classList.contains(ClassName.ACTIVE)) {\n triggerChangeEvent = false\n } else {\n const activeElement = SelectorEngine.findOne(Selector.ACTIVE, rootElement)\n\n if (activeElement) {\n activeElement.classList.remove(ClassName.ACTIVE)\n }\n }\n }\n\n if (triggerChangeEvent) {\n if (input.hasAttribute('disabled') ||\n rootElement.hasAttribute('disabled') ||\n input.classList.contains('disabled') ||\n rootElement.classList.contains('disabled')) {\n return\n }\n\n input.checked = !this._element.classList.contains(ClassName.ACTIVE)\n EventHandler.trigger(input, 'change')\n }\n\n input.focus()\n addAriaPressed = false\n }\n }\n\n if (addAriaPressed) {\n this._element.setAttribute('aria-pressed',\n !this._element.classList.contains(ClassName.ACTIVE))\n }\n\n if (triggerChangeEvent) {\n this._element.classList.toggle(ClassName.ACTIVE)\n }\n }\n\n dispose() {\n Data.removeData(this._element, DATA_KEY)\n this._element = null\n }\n\n // Static\n\n static _jQueryInterface(config) {\n return this.each(function () {\n let data = Data.getData(this, DATA_KEY)\n\n if (!data) {\n data = new Button(this)\n }\n\n if (config === 'toggle') {\n data[config]()\n }\n })\n }\n\n static _getInstance(element) {\n return Data.getData(element, DATA_KEY)\n }\n}\n\n/**\n * ------------------------------------------------------------------------\n * Data Api implementation\n * ------------------------------------------------------------------------\n */\n\nEventHandler.on(document, Event.CLICK_DATA_API, Selector.DATA_TOGGLE_CARROT, event => {\n event.preventDefault()\n\n let button = event.target\n if (!button.classList.contains(ClassName.BUTTON)) {\n button = SelectorEngine.closest(button, Selector.BUTTON)\n }\n\n let data = Data.getData(button, DATA_KEY)\n if (!data) {\n data = new Button(button)\n Data.setData(button, DATA_KEY, data)\n }\n\n data.toggle()\n})\n\nEventHandler.on(document, Event.FOCUS_DATA_API, Selector.DATA_TOGGLE_CARROT, event => {\n const button = SelectorEngine.closest(event.target, Selector.BUTTON)\n\n if (button) {\n button.classList.add(ClassName.FOCUS)\n }\n})\n\nEventHandler.on(document, Event.BLUR_DATA_API, Selector.DATA_TOGGLE_CARROT, event => {\n const button = SelectorEngine.closest(event.target, Selector.BUTTON)\n\n if 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