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el.classList.remove(className); // IE 10+\n } else {\n el.className = el.className.replace(new RegExp('(^|\\\\b)' + className.split(' ').join('|') + '(\\\\b|$)', 'gi'), ' '); // IE 8+\n }\n }\n\n const hasClass = (el, className) => {\n if (el.classList) {\n return el.classList.contains(className); // IE 10+\n } else {\n return new RegExp('(^| )' + className + '( |$)', 'gi').test(el.className); // IE 8+ ?\n }\n }\n /*const wrapInner = (el, wrapper_el) => { // doesn't work on IE/Edge, f…\n while (el.firstChild)\n wrapper_el.append(el.firstChild);\n el.append(wrapper_el);\n\n }*/\n function wrapInner(parent, wrapper) {\n if (typeof wrapper === \"string\")\n wrapper = document.createElement(wrapper);\n\n parent.appendChild(wrapper);\n\n while (parent.firstChild !== wrapper)\n wrapper.appendChild(parent.firstChild);\n }\n\n function remove(el) { /* node.remove() is too modern for IE≤11 */\n el.parentNode.removeChild(el);\n }\n\n /* gets an element el, search if it is child of parent class, returns id of the parent */\n let searchParent = (el, parentClass) => {\n let found = false;\n let parentElement = el.parentNode;\n while (parentElement && found === false) {\n if (hasClass(parentElement, parentClass) === true) {\n found = true;\n } else {\n parentElement = parentElement.parentNode;\n }\n }\n if (found === true) {\n return parentElement.getAttribute('id');\n } else {\n return '';\n }\n }\n\n /**\n * Create the template for an overlay\n * @param {Object} config\n * @return {String}\n */\n const createOverlay = config => {\n\n let id = MODAL_OVERLAY_ID;\n let overlayText = config.text || MODAL_OVERLAY_TXT;\n let overlayClass = config.prefixClass + MODAL_OVERLAY_CLASS_SUFFIX;\n let overlayBackgroundEnabled = config.backgroundEnabled === 'disabled' ? 'disabled' : 'enabled';\n\n return `\n ${overlayText}\n `;\n\n };\n\n /**\n * Create the template for a modal\n * @param {Object} config\n * @return {String}\n */\n const createModal = config => {\n\n let id = MODAL_JS_ID;\n let modalClassName = config.modalPrefixClass + MODAL_CLASS_SUFFIX;\n let modalClassWrapper = config.modalPrefixClass + MODAL_WRAPPER_CLASS_SUFFIX;\n let buttonCloseClassName = config.modalPrefixClass + MODAL_BUTTON_CLASS_SUFFIX;\n let buttonCloseInner = config.modalCloseImgPath ?\n `\"${config.modalCloseText}\"` :\n `\n ${config.modalCloseText}\n `;\n let contentClassName = config.modalPrefixClass + MODAL_CONTENT_CLASS_SUFFIX;\n let titleClassName = config.modalPrefixClass + MODAL_TITLE_CLASS_SUFFIX;\n let title = config.modalTitle !== '' ?\n `

\n ${config.modalTitle}\n

` :\n '';\n let button_close = ``;\n let content = config.modalText;\n let describedById = config.modalDescribedById !== '' ? `${ATTR_DESCRIBEDBY}=\"${config.modalDescribedById}\"` : '';\n\n // If there is no content but an id we try to fetch content id\n if (content === '' && config.modalContentId) {\n let contentFromId = findById(config.modalContentId);\n if (contentFromId) {\n content = `
\n ${contentFromId.innerHTML}\n \n
\n ${button_close}\n
\n ${title}\n ${content}\n
\n
\n `;\n\n };\n\n const closeModal = config => {\n\n remove(config.modal);\n remove(config.overlay);\n\n if (config.contentBackId !== '') {\n let contentBack = findById(config.contentBackId);\n if (contentBack) {\n contentBack.innerHTML = config.modalContent;\n }\n }\n\n if (config.modalFocusBackId) {\n let contentFocus = findById(config.modalFocusBackId);\n if (contentFocus) {\n contentFocus.focus();\n }\n }\n\n\n }\n\n /** Find all modals inside a container\n * @param {Node} node Default document\n * @return {Array}\n */\n const $listModals = (node = doc) => [].slice.call(node.querySelectorAll('.' + MODAL_JS_CLASS));\n\n\n /**\n * Build modals for a container\n * @param {Node} node\n */\n const attach = (node, addListeners = true) => {\n\n $listModals(node)\n .forEach((modal_node) => {\n\n let iLisible = Math.random().toString(32).slice(2, 12);\n let wrapperBody = findById(WRAPPER_PAGE_JS);\n let body = doc.querySelector('body');\n\n modal_node.setAttribute('id', MODAL_ID_PREFIX + iLisible);\n modal_node.setAttribute(ATTR_HASPOPUP, ATTR_HASPOPUP_VALUE);\n\n if (wrapperBody === null || wrapperBody.length === 0) {\n let wrapper = doc.createElement('DIV');\n wrapper.setAttribute('id', WRAPPER_PAGE_JS);\n wrapInner(body, wrapper);\n }\n\n\n });\n\n if (addListeners) {\n\n /* listeners */\n ['click', 'keydown']\n .forEach(eventName => {\n\n doc.body\n .addEventListener(eventName, e => {\n\n // click on link modal\n let parentModalLauncher = searchParent(e.target, MODAL_JS_CLASS);\n if ((hasClass(e.target, MODAL_JS_CLASS) === true || parentModalLauncher !== '') && eventName === 'click') {\n let body = doc.querySelector('body');\n let modalLauncher = parentModalLauncher !== '' ? findById(parentModalLauncher) : e.target;\n let modalPrefixClass = modalLauncher.hasAttribute(MODAL_PREFIX_CLASS_ATTR) === true ? modalLauncher.getAttribute(MODAL_PREFIX_CLASS_ATTR) + '-' : '';\n let modalText = modalLauncher.hasAttribute(MODAL_TEXT_ATTR) === true ? modalLauncher.getAttribute(MODAL_TEXT_ATTR) : '';\n let modalContentId = modalLauncher.hasAttribute(MODAL_CONTENT_ID_ATTR) === true ? modalLauncher.getAttribute(MODAL_CONTENT_ID_ATTR) : '';\n let modalDescribedById = modalLauncher.hasAttribute(MODAL_DESCRIBEDBY_ID_ATTR) === true ? modalLauncher.getAttribute(MODAL_DESCRIBEDBY_ID_ATTR) : '';\n let modalTitle = modalLauncher.hasAttribute(MODAL_TITLE_ATTR) === true ? modalLauncher.getAttribute(MODAL_TITLE_ATTR) : '';\n let modalCloseText = modalLauncher.hasAttribute(MODAL_CLOSE_TEXT_ATTR) === true ? modalLauncher.getAttribute(MODAL_CLOSE_TEXT_ATTR) : MODAL_OVERLAY_TXT;\n let modalCloseTitle = modalLauncher.hasAttribute(MODAL_CLOSE_TITLE_ATTR) === true ? modalLauncher.getAttribute(MODAL_CLOSE_TITLE_ATTR) : modalCloseText;\n let modalCloseImgPath = modalLauncher.hasAttribute(MODAL_CLOSE_IMG_ATTR) === true ? modalLauncher.getAttribute(MODAL_CLOSE_IMG_ATTR) : '';\n let backgroundEnabled = modalLauncher.hasAttribute(MODAL_DATA_BACKGROUND_ATTR) === true ? modalLauncher.getAttribute(MODAL_DATA_BACKGROUND_ATTR) : '';\n let modalGiveFocusToId = modalLauncher.hasAttribute(MODAL_FOCUS_TO_ATTR) === true ? modalLauncher.getAttribute(MODAL_FOCUS_TO_ATTR) : '';\n\n let wrapperBody = findById(WRAPPER_PAGE_JS);\n\n // insert overlay\n body.insertAdjacentHTML('beforeEnd', createOverlay({\n text: modalCloseTitle,\n backgroundEnabled: backgroundEnabled,\n prefixClass: modalPrefixClass\n }));\n\n // insert modal\n body.insertAdjacentHTML('beforeEnd', createModal({\n modalText: modalText,\n modalPrefixClass: modalPrefixClass,\n backgroundEnabled: modalContentId,\n modalTitle: modalTitle,\n modalCloseText: modalCloseText,\n modalCloseTitle: modalCloseTitle,\n modalCloseImgPath: modalCloseImgPath,\n modalContentId: modalContentId,\n modalDescribedById: modalDescribedById,\n modalFocusBackId: modalLauncher.getAttribute('id')\n }));\n\n // hide page\n wrapperBody.setAttribute(ATTR_HIDDEN, 'true');\n\n // add class noscroll to body\n addClass(body, NO_SCROLL_CLASS);\n\n // give focus to close button or specified element\n let closeButton = findById(MODAL_BUTTON_JS_ID);\n if (modalGiveFocusToId !== '') {\n let focusTo = findById(modalGiveFocusToId);\n if (focusTo) {\n focusTo.focus();\n } else {\n closeButton.focus();\n }\n } else {\n closeButton.focus();\n }\n\n e.preventDefault();\n\n }\n\n\n // click on close button or on overlay not blocked\n let parentButton = searchParent(e.target, MODAL_BUTTON_JS_CLASS);\n if (\n (\n e.target.getAttribute('id') === MODAL_BUTTON_JS_ID || parentButton !== '' ||\n e.target.getAttribute('id') === MODAL_OVERLAY_ID ||\n hasClass(e.target, MODAL_BUTTON_JS_CLASS) === true\n ) &&\n eventName === 'click'\n ) {\n let body = doc.querySelector('body');\n let wrapperBody = findById(WRAPPER_PAGE_JS);\n let modal = findById(MODAL_JS_ID);\n let modalContent = findById(MODAL_CONTENT_JS_ID) ? findById(MODAL_CONTENT_JS_ID).innerHTML : '';\n let overlay = findById(MODAL_OVERLAY_ID);\n let modalButtonClose = findById(MODAL_BUTTON_JS_ID);\n let modalFocusBackId = modalButtonClose.getAttribute(MODAL_BUTTON_FOCUS_BACK_ID);\n let contentBackId = modalButtonClose.getAttribute(MODAL_BUTTON_CONTENT_BACK_ID);\n let backgroundEnabled = overlay.getAttribute(MODAL_OVERLAY_BG_ENABLED_ATTR);\n\n if (!(e.target.getAttribute('id') === MODAL_OVERLAY_ID && backgroundEnabled === 'disabled')) {\n\n closeModal({\n modal: modal,\n modalContent: modalContent,\n overlay: overlay,\n modalFocusBackId: modalFocusBackId,\n contentBackId: contentBackId,\n backgroundEnabled: backgroundEnabled,\n fromId: e.target.getAttribute('id')\n });\n\n // show back page\n wrapperBody.removeAttribute(ATTR_HIDDEN);\n\n // remove class noscroll to body\n removeClass(body, NO_SCROLL_CLASS);\n\n }\n }\n\n // strike a key when modal opened\n if (findById(MODAL_JS_ID) && eventName === 'keydown') {\n let body = doc.querySelector('body');\n let wrapperBody = findById(WRAPPER_PAGE_JS);\n let modal = findById(MODAL_JS_ID);\n let modalContent = findById(MODAL_CONTENT_JS_ID) ? findById(MODAL_CONTENT_JS_ID).innerHTML : '';\n let overlay = findById(MODAL_OVERLAY_ID);\n let modalButtonClose = findById(MODAL_BUTTON_JS_ID);\n let modalFocusBackId = modalButtonClose.getAttribute(MODAL_BUTTON_FOCUS_BACK_ID);\n let contentBackId = modalButtonClose.getAttribute(MODAL_BUTTON_CONTENT_BACK_ID);\n let $listFocusables = [].slice.call(modal.querySelectorAll(FOCUSABLE_ELEMENTS_STRING));\n\n // esc\n if (e.keyCode === 27) {\n\n closeModal({\n modal: modal,\n modalContent: modalContent,\n overlay: overlay,\n modalFocusBackId: modalFocusBackId,\n contentBackId: contentBackId,\n });\n\n // show back page\n wrapperBody.removeAttribute(ATTR_HIDDEN);\n\n // remove class noscroll to body\n removeClass(body, NO_SCROLL_CLASS);\n }\n\n // tab or Maj Tab in modal => capture focus\n if (e.keyCode === 9 && $listFocusables.indexOf(e.target) >= 0) {\n\n // maj-tab on first element focusable => focus on last\n if (e.shiftKey) {\n if (e.target === $listFocusables[0]) {\n $listFocusables[$listFocusables.length - 1].focus();\n e.preventDefault();\n }\n } else {\n // tab on last element focusable => focus on first\n if (e.target === $listFocusables[$listFocusables.length - 1]) {\n $listFocusables[0].focus();\n e.preventDefault();\n }\n }\n\n }\n\n // tab outside modal => put it in focus\n if (e.keyCode === 9 && $listFocusables.indexOf(e.target) === -1) {\n e.preventDefault();\n $listFocusables[0].focus();\n }\n\n\n }\n\n\n\n\n }, true);\n\n });\n\n\n }\n\n };\n\n\n\n const onLoad = () => {\n attach();\n document.removeEventListener('DOMContentLoaded', onLoad);\n }\n\n document.addEventListener('DOMContentLoaded', onLoad);\n\n window.van11yAccessibleModalWindowAria = attach;\n\n\n })(document);\n"],"sourceRoot":""}