\r\n >\r\n );\r\n }\r\n}\r\n\r\nexport default TouchSwiper;\r\n","const candidateSelectors = [\n 'input',\n 'select',\n 'textarea',\n 'a[href]',\n 'button',\n '[tabindex]:not(slot)',\n 'audio[controls]',\n 'video[controls]',\n '[contenteditable]:not([contenteditable=\"false\"])',\n 'details>summary:first-of-type',\n 'details',\n];\nconst candidateSelector = /* #__PURE__ */ candidateSelectors.join(',');\n\nconst NoElement = typeof Element === 'undefined';\n\nconst matches = NoElement\n ? function () {}\n : Element.prototype.matches ||\n Element.prototype.msMatchesSelector ||\n Element.prototype.webkitMatchesSelector;\n\nconst getRootNode =\n !NoElement && Element.prototype.getRootNode\n ? (element) => element.getRootNode()\n : (element) => element.ownerDocument;\n\n/**\n * @param {Element} el container to check in\n * @param {boolean} includeContainer add container to check\n * @param {(node: Element) => boolean} filter filter candidates\n * @returns {Element[]}\n */\nconst getCandidates = function (el, includeContainer, filter) {\n let candidates = Array.prototype.slice.apply(\n el.querySelectorAll(candidateSelector)\n );\n if (includeContainer && matches.call(el, candidateSelector)) {\n candidates.unshift(el);\n }\n candidates = candidates.filter(filter);\n return candidates;\n};\n\n/**\n * @callback GetShadowRoot\n * @param {Element} element to check for shadow root\n * @returns {ShadowRoot|boolean} ShadowRoot if available or boolean indicating if a shadowRoot is attached but not available.\n */\n\n/**\n * @callback ShadowRootFilter\n * @param {Element} shadowHostNode the element which contains shadow content\n * @returns {boolean} true if a shadow root could potentially contain valid candidates.\n */\n\n/**\n * @typedef {Object} CandidatesScope\n * @property {Element} scope contains inner candidates\n * @property {Element[]} candidates\n */\n\n/**\n * @typedef {Object} IterativeOptions\n * @property {GetShadowRoot|boolean} getShadowRoot true if shadow support is enabled; falsy if not;\n * if a function, implies shadow support is enabled and either returns the shadow root of an element\n * or a boolean stating if it has an undisclosed shadow root\n * @property {(node: Element) => boolean} filter filter candidates\n * @property {boolean} flatten if true then result will flatten any CandidatesScope into the returned list\n * @property {ShadowRootFilter} shadowRootFilter filter shadow roots;\n */\n\n/**\n * @param {Element[]} elements list of element containers to match candidates from\n * @param {boolean} includeContainer add container list to check\n * @param {IterativeOptions} options\n * @returns {Array.}\n */\nconst getCandidatesIteratively = function (\n elements,\n includeContainer,\n options\n) {\n const candidates = [];\n const elementsToCheck = Array.from(elements);\n while (elementsToCheck.length) {\n const element = elementsToCheck.shift();\n if (element.tagName === 'SLOT') {\n // add shadow dom slot scope (slot itself cannot be focusable)\n const assigned = element.assignedElements();\n const content = assigned.length ? assigned : element.children;\n const nestedCandidates = getCandidatesIteratively(content, true, options);\n if (options.flatten) {\n candidates.push(...nestedCandidates);\n } else {\n candidates.push({\n scope: element,\n candidates: nestedCandidates,\n });\n }\n } else {\n // check candidate element\n const validCandidate = matches.call(element, candidateSelector);\n if (\n validCandidate &&\n options.filter(element) &&\n (includeContainer || !elements.includes(element))\n ) {\n candidates.push(element);\n }\n\n // iterate over shadow content if possible\n const shadowRoot =\n element.shadowRoot ||\n // check for an undisclosed shadow\n (typeof options.getShadowRoot === 'function' &&\n options.getShadowRoot(element));\n\n const validShadowRoot =\n !options.shadowRootFilter || options.shadowRootFilter(element);\n\n if (shadowRoot && validShadowRoot) {\n // add shadow dom scope IIF a shadow root node was given; otherwise, an undisclosed\n // shadow exists, so look at light dom children as fallback BUT create a scope for any\n // child candidates found because they're likely slotted elements (elements that are\n // children of the web component element (which has the shadow), in the light dom, but\n // slotted somewhere _inside_ the undisclosed shadow) -- the scope is created below,\n // _after_ we return from this recursive call\n const nestedCandidates = getCandidatesIteratively(\n shadowRoot === true ? element.children : shadowRoot.children,\n true,\n options\n );\n\n if (options.flatten) {\n candidates.push(...nestedCandidates);\n } else {\n candidates.push({\n scope: element,\n candidates: nestedCandidates,\n });\n }\n } else {\n // there's not shadow so just dig into the element's (light dom) children\n // __without__ giving the element special scope treatment\n elementsToCheck.unshift(...element.children);\n }\n }\n }\n return candidates;\n};\n\nconst getTabindex = function (node, isScope) {\n if (node.tabIndex < 0) {\n // in Chrome, , and elements get a default\n // `tabIndex` of -1 when the 'tabindex' attribute isn't specified in the DOM,\n // yet they are still part of the regular tab order; in FF, they get a default\n // `tabIndex` of 0; since Chrome still puts those elements in the regular tab\n // order, consider their tab index to be 0.\n // Also browsers do not return `tabIndex` correctly for contentEditable nodes;\n // so if they don't have a tabindex attribute specifically set, assume it's 0.\n //\n // isScope is positive for custom element with shadow root or slot that by default\n // have tabIndex -1, but need to be sorted by document order in order for their\n // content to be inserted in the correct position\n if (\n (isScope ||\n /^(AUDIO|VIDEO|DETAILS)$/.test(node.tagName) ||\n node.isContentEditable) &&\n isNaN(parseInt(node.getAttribute('tabindex'), 10))\n ) {\n return 0;\n }\n }\n\n return node.tabIndex;\n};\n\nconst sortOrderedTabbables = function (a, b) {\n return a.tabIndex === b.tabIndex\n ? a.documentOrder - b.documentOrder\n : a.tabIndex - b.tabIndex;\n};\n\nconst isInput = function (node) {\n return node.tagName === 'INPUT';\n};\n\nconst isHiddenInput = function (node) {\n return isInput(node) && node.type === 'hidden';\n};\n\nconst isDetailsWithSummary = function (node) {\n const r =\n node.tagName === 'DETAILS' &&\n Array.prototype.slice\n .apply(node.children)\n .some((child) => child.tagName === 'SUMMARY');\n return r;\n};\n\nconst getCheckedRadio = function (nodes, form) {\n for (let i = 0; i < nodes.length; i++) {\n if (nodes[i].checked && nodes[i].form === form) {\n return nodes[i];\n }\n }\n};\n\nconst isTabbableRadio = function (node) {\n if (!node.name) {\n return true;\n }\n const radioScope = node.form || getRootNode(node);\n const queryRadios = function (name) {\n return radioScope.querySelectorAll(\n 'input[type=\"radio\"][name=\"' + name + '\"]'\n );\n };\n\n let radioSet;\n if (\n typeof window !== 'undefined' &&\n typeof window.CSS !== 'undefined' &&\n typeof window.CSS.escape === 'function'\n ) {\n radioSet = queryRadios(window.CSS.escape(node.name));\n } else {\n try {\n radioSet = queryRadios(node.name);\n } catch (err) {\n // eslint-disable-next-line no-console\n console.error(\n 'Looks like you have a radio button with a name attribute containing invalid CSS selector characters and need the CSS.escape polyfill: %s',\n err.message\n );\n return false;\n }\n }\n\n const checked = getCheckedRadio(radioSet, node.form);\n return !checked || checked === node;\n};\n\nconst isRadio = function (node) {\n return isInput(node) && node.type === 'radio';\n};\n\nconst isNonTabbableRadio = function (node) {\n return isRadio(node) && !isTabbableRadio(node);\n};\n\nconst isZeroArea = function (node) {\n const { width, height } = node.getBoundingClientRect();\n return width === 0 && height === 0;\n};\nconst isHidden = function (node, { displayCheck, getShadowRoot }) {\n // NOTE: visibility will be `undefined` if node is detached from the document\n // (see notes about this further down), which means we will consider it visible\n // (this is legacy behavior from a very long way back)\n // NOTE: we check this regardless of `displayCheck=\"none\"` because this is a\n // _visibility_ check, not a _display_ check\n if (getComputedStyle(node).visibility === 'hidden') {\n return true;\n }\n\n const isDirectSummary = matches.call(node, 'details>summary:first-of-type');\n const nodeUnderDetails = isDirectSummary ? node.parentElement : node;\n if (matches.call(nodeUnderDetails, 'details:not([open]) *')) {\n return true;\n }\n\n // The root node is the shadow root if the node is in a shadow DOM; some document otherwise\n // (but NOT _the_ document; see second 'If' comment below for more).\n // If rootNode is shadow root, it'll have a host, which is the element to which the shadow\n // is attached, and the one we need to check if it's in the document or not (because the\n // shadow, and all nodes it contains, is never considered in the document since shadows\n // behave like self-contained DOMs; but if the shadow's HOST, which is part of the document,\n // is hidden, or is not in the document itself but is detached, it will affect the shadow's\n // visibility, including all the nodes it contains). The host could be any normal node,\n // or a custom element (i.e. web component). Either way, that's the one that is considered\n // part of the document, not the shadow root, nor any of its children (i.e. the node being\n // tested).\n // If rootNode is not a shadow root, it won't have a host, and so rootNode should be the\n // document (per the docs) and while it's a Document-type object, that document does not\n // appear to be the same as the node's `ownerDocument` for some reason, so it's safer\n // to ignore the rootNode at this point, and use `node.ownerDocument`. Otherwise,\n // using `rootNode.contains(node)` will _always_ be true we'll get false-positives when\n // node is actually detached.\n const nodeRootHost = getRootNode(node).host;\n const nodeIsAttached =\n nodeRootHost?.ownerDocument.contains(nodeRootHost) ||\n node.ownerDocument.contains(node);\n\n if (!displayCheck || displayCheck === 'full') {\n if (typeof getShadowRoot === 'function') {\n // figure out if we should consider the node to be in an undisclosed shadow and use the\n // 'non-zero-area' fallback\n const originalNode = node;\n while (node) {\n const parentElement = node.parentElement;\n const rootNode = getRootNode(node);\n if (\n parentElement &&\n !parentElement.shadowRoot &&\n getShadowRoot(parentElement) === true // check if there's an undisclosed shadow\n ) {\n // node has an undisclosed shadow which means we can only treat it as a black box, so we\n // fall back to a non-zero-area test\n return isZeroArea(node);\n } else if (node.assignedSlot) {\n // iterate up slot\n node = node.assignedSlot;\n } else if (!parentElement && rootNode !== node.ownerDocument) {\n // cross shadow boundary\n node = rootNode.host;\n } else {\n // iterate up normal dom\n node = parentElement;\n }\n }\n\n node = originalNode;\n }\n // else, `getShadowRoot` might be true, but all that does is enable shadow DOM support\n // (i.e. it does not also presume that all nodes might have undisclosed shadows); or\n // it might be a falsy value, which means shadow DOM support is disabled\n\n // Since we didn't find it sitting in an undisclosed shadow (or shadows are disabled)\n // now we can just test to see if it would normally be visible or not, provided it's\n // attached to the main document.\n // NOTE: We must consider case where node is inside a shadow DOM and given directly to\n // `isTabbable()` or `isFocusable()` -- regardless of `getShadowRoot` option setting.\n\n if (nodeIsAttached) {\n // this works wherever the node is: if there's at least one client rect, it's\n // somehow displayed; it also covers the CSS 'display: contents' case where the\n // node itself is hidden in place of its contents; and there's no need to search\n // up the hierarchy either\n return !node.getClientRects().length;\n }\n\n // Else, the node isn't attached to the document, which means the `getClientRects()`\n // API will __always__ return zero rects (this can happen, for example, if React\n // is used to render nodes onto a detached tree, as confirmed in this thread:\n // https://github.com/facebook/react/issues/9117#issuecomment-284228870)\n //\n // It also means that even window.getComputedStyle(node).display will return `undefined`\n // because styles are only computed for nodes that are in the document.\n //\n // NOTE: THIS HAS BEEN THE CASE FOR YEARS. It is not new, nor is it caused by tabbable\n // somehow. Though it was never stated officially, anyone who has ever used tabbable\n // APIs on nodes in detached containers has actually implicitly used tabbable in what\n // was later (as of v5.2.0 on Apr 9, 2021) called `displayCheck=\"none\"` mode -- essentially\n // considering __everything__ to be visible because of the innability to determine styles.\n } else if (displayCheck === 'non-zero-area') {\n // NOTE: Even though this tests that the node's client rect is non-zero to determine\n // whether it's displayed, and that a detached node will __always__ have a zero-area\n // client rect, we don't special-case for whether the node is attached or not. In\n // this mode, we do want to consider nodes that have a zero area to be hidden at all\n // times, and that includes attached or not.\n return isZeroArea(node);\n }\n\n // visible, as far as we can tell, or per current `displayCheck` mode\n return false;\n};\n\n// form fields (nested) inside a disabled fieldset are not focusable/tabbable\n// unless they are in the _first_