js.foresight/dist/index.mjs.map

Predicts mouse trajectory to trigger actions as users approach elements, enabling anticipatory UI updates or pre-loading. Made with vanilla javascript and usable in every framework.

{"version":3,"file":"index.mjs","sources":["../../../node_modules/.pnpm/tabbable@6.2.0/node_modules/tabbable/dist/index.esm.js","../../src/helpers/shouldRegister.ts","../../src/Manager/constants.ts","../../src/Manager/helpers/clampNumber.ts","../../src/Manager/helpers/lineSigmentIntersectsRect.ts","../../src/Manager/helpers/rectAndHitSlop.ts","../../src/Manager/helpers/shouldUpdateSetting.ts","../../../node_modules/.pnpm/position-observer@1.0.0/node_modules/position-observer/dist/index.js","../../src/Manager/ForesightManager.ts","../../src/Manager/helpers/getFocusedElementIndex.ts","../../src/Manager/helpers/predictNextMousePosition.ts","../../src/Manager/helpers/getScrollDirection.ts","../../src/Manager/helpers/predictNextScrollPosition.ts"],"sourcesContent":["/*!\n* tabbable 6.2.0\n* @license MIT, https://github.com/focus-trap/tabbable/blob/master/LICENSE\n*/\n// NOTE: separate `:not()` selectors has broader browser support than the newer\n//  `:not([inert], [inert] *)` (Feb 2023)\n// CAREFUL: JSDom does not support `:not([inert] *)` as a selector; using it causes\n//  the entire query to fail, resulting in no nodes found, which will break a lot\n//  of things... so we have to rely on JS to identify nodes inside an inert container\nvar candidateSelectors = ['input:not([inert])', 'select:not([inert])', 'textarea:not([inert])', 'a[href]:not([inert])', 'button:not([inert])', '[tabindex]:not(slot):not([inert])', 'audio[controls]:not([inert])', 'video[controls]:not([inert])', '[contenteditable]:not([contenteditable=\"false\"]):not([inert])', 'details>summary:first-of-type:not([inert])', 'details:not([inert])'];\nvar candidateSelector = /* #__PURE__ */candidateSelectors.join(',');\nvar NoElement = typeof Element === 'undefined';\nvar matches = NoElement ? function () {} : Element.prototype.matches || Element.prototype.msMatchesSelector || Element.prototype.webkitMatchesSelector;\nvar getRootNode = !NoElement && Element.prototype.getRootNode ? function (element) {\n  var _element$getRootNode;\n  return element === null || element === void 0 ? void 0 : (_element$getRootNode = element.getRootNode) === null || _element$getRootNode === void 0 ? void 0 : _element$getRootNode.call(element);\n} : function (element) {\n  return element === null || element === void 0 ? void 0 : element.ownerDocument;\n};\n\n/**\n * Determines if a node is inert or in an inert ancestor.\n * @param {Element} [node]\n * @param {boolean} [lookUp] If true and `node` is not inert, looks up at ancestors to\n *  see if any of them are inert. If false, only `node` itself is considered.\n * @returns {boolean} True if inert itself or by way of being in an inert ancestor.\n *  False if `node` is falsy.\n */\nvar isInert = function isInert(node, lookUp) {\n  var _node$getAttribute;\n  if (lookUp === void 0) {\n    lookUp = true;\n  }\n  // CAREFUL: JSDom does not support inert at all, so we can't use the `HTMLElement.inert`\n  //  JS API property; we have to check the attribute, which can either be empty or 'true';\n  //  if it's `null` (not specified) or 'false', it's an active element\n  var inertAtt = node === null || node === void 0 ? void 0 : (_node$getAttribute = node.getAttribute) === null || _node$getAttribute === void 0 ? void 0 : _node$getAttribute.call(node, 'inert');\n  var inert = inertAtt === '' || inertAtt === 'true';\n\n  // NOTE: this could also be handled with `node.matches('[inert], :is([inert] *)')`\n  //  if it weren't for `matches()` not being a function on shadow roots; the following\n  //  code works for any kind of node\n  // CAREFUL: JSDom does not appear to support certain selectors like `:not([inert] *)`\n  //  so it likely would not support `:is([inert] *)` either...\n  var result = inert || lookUp && node && isInert(node.parentNode); // recursive\n\n  return result;\n};\n\n/**\n * Determines if a node's content is editable.\n * @param {Element} [node]\n * @returns True if it's content-editable; false if it's not or `node` is falsy.\n */\nvar isContentEditable = function isContentEditable(node) {\n  var _node$getAttribute2;\n  // CAREFUL: JSDom does not support the `HTMLElement.isContentEditable` API so we have\n  //  to use the attribute directly to check for this, which can either be empty or 'true';\n  //  if it's `null` (not specified) or 'false', it's a non-editable element\n  var attValue = node === null || node === void 0 ? void 0 : (_node$getAttribute2 = node.getAttribute) === null || _node$getAttribute2 === void 0 ? void 0 : _node$getAttribute2.call(node, 'contenteditable');\n  return attValue === '' || attValue === 'true';\n};\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 */\nvar getCandidates = function getCandidates(el, includeContainer, filter) {\n  // even if `includeContainer=false`, we still have to check it for inertness because\n  //  if it's inert, all its children are inert\n  if (isInert(el)) {\n    return [];\n  }\n  var candidates = Array.prototype.slice.apply(el.querySelectorAll(candidateSelector));\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} CandidateScope\n * @property {Element} scopeParent contains inner candidates\n * @property {Element[]} candidates list of candidates found in the scope parent\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 CandidateScope 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.<Element|CandidateScope>}\n */\nvar getCandidatesIteratively = function getCandidatesIteratively(elements, includeContainer, options) {\n  var candidates = [];\n  var elementsToCheck = Array.from(elements);\n  while (elementsToCheck.length) {\n    var element = elementsToCheck.shift();\n    if (isInert(element, false)) {\n      // no need to look up since we're drilling down\n      // anything inside this container will also be inert\n      continue;\n    }\n    if (element.tagName === 'SLOT') {\n      // add shadow dom slot scope (slot itself cannot be focusable)\n      var assigned = element.assignedElements();\n      var content = assigned.length ? assigned : element.children;\n      var nestedCandidates = getCandidatesIteratively(content, true, options);\n      if (options.flatten) {\n        candidates.push.apply(candidates, nestedCandidates);\n      } else {\n        candidates.push({\n          scopeParent: element,\n          candidates: nestedCandidates\n        });\n      }\n    } else {\n      // check candidate element\n      var validCandidate = matches.call(element, candidateSelector);\n      if (validCandidate && options.filter(element) && (includeContainer || !elements.includes(element))) {\n        candidates.push(element);\n      }\n\n      // iterate over shadow content if possible\n      var shadowRoot = element.shadowRoot ||\n      // check for an undisclosed shadow\n      typeof options.getShadowRoot === 'function' && options.getShadowRoot(element);\n\n      // no inert look up because we're already drilling down and checking for inertness\n      //  on the way down, so all containers to this root node should have already been\n      //  vetted as non-inert\n      var validShadowRoot = !isInert(shadowRoot, false) && (!options.shadowRootFilter || options.shadowRootFilter(element));\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        var _nestedCandidates = getCandidatesIteratively(shadowRoot === true ? element.children : shadowRoot.children, true, options);\n        if (options.flatten) {\n          candidates.push.apply(candidates, _nestedCandidates);\n        } else {\n          candidates.push({\n            scopeParent: 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.apply(elementsToCheck, element.children);\n      }\n    }\n  }\n  return candidates;\n};\n\n/**\n * @private\n * Determines if the node has an explicitly specified `tabindex` attribute.\n * @param {HTMLElement} node\n * @returns {boolean} True if so; false if not.\n */\nvar hasTabIndex = function hasTabIndex(node) {\n  return !isNaN(parseInt(node.getAttribute('tabindex'), 10));\n};\n\n/**\n * Determine the tab index of a given node.\n * @param {HTMLElement} node\n * @returns {number} Tab order (negative, 0, or positive number).\n * @throws {Error} If `node` is falsy.\n */\nvar getTabIndex = function getTabIndex(node) {\n  if (!node) {\n    throw new Error('No node provided');\n  }\n  if (node.tabIndex < 0) {\n    // in Chrome, <details/>, <audio controls/> and <video controls/> 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    if ((/^(AUDIO|VIDEO|DETAILS)$/.test(node.tagName) || isContentEditable(node)) && !hasTabIndex(node)) {\n      return 0;\n    }\n  }\n  return node.tabIndex;\n};\n\n/**\n * Determine the tab index of a given node __for sort order purposes__.\n * @param {HTMLElement} node\n * @param {boolean} [isScope] True for a custom element with shadow root or slot that, by default,\n *  has tabIndex -1, but needs to be sorted by document order in order for its content to be\n *  inserted into the correct sort position.\n * @returns {number} Tab order (negative, 0, or positive number).\n */\nvar getSortOrderTabIndex = function getSortOrderTabIndex(node, isScope) {\n  var tabIndex = getTabIndex(node);\n  if (tabIndex < 0 && isScope && !hasTabIndex(node)) {\n    return 0;\n  }\n  return tabIndex;\n};\nvar sortOrderedTabbables = function sortOrderedTabbables(a, b) {\n  return a.tabIndex === b.tabIndex ? a.documentOrder - b.documentOrder : a.tabIndex - b.tabIndex;\n};\nvar isInput = function isInput(node) {\n  return node.tagName === 'INPUT';\n};\nvar isHiddenInput = function isHiddenInput(node) {\n  return isInput(node) && node.type === 'hidden';\n};\nvar isDetailsWithSummary = function isDetailsWithSummary(node) {\n  var r = node.tagName === 'DETAILS' && Array.prototype.slice.apply(node.children).some(function (child) {\n    return child.tagName === 'SUMMARY';\n  });\n  return r;\n};\nvar getCheckedRadio = function getCheckedRadio(nodes, form) {\n  for (var i = 0; i < nodes.length; i++) {\n    if (nodes[i].checked && nodes[i].form === form) {\n      return nodes[i];\n    }\n  }\n};\nvar isTabbableRadio = function isTabbableRadio(node) {\n  if (!node.name) {\n    return true;\n  }\n  var radioScope = node.form || getRootNode(node);\n  var queryRadios = function queryRadios(name) {\n    return radioScope.querySelectorAll('input[type=\"radio\"][name=\"' + name + '\"]');\n  };\n  var radioSet;\n  if (typeof window !== 'undefined' && typeof window.CSS !== 'undefined' && typeof window.CSS.escape === 'function') {\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('Looks like you have a radio button with a name attribute containing invalid CSS selector characters and need the CSS.escape polyfill: %s', err.message);\n      return false;\n    }\n  }\n  var checked = getCheckedRadio(radioSet, node.form);\n  return !checked || checked === node;\n};\nvar isRadio = function isRadio(node) {\n  return isInput(node) && node.type === 'radio';\n};\nvar isNonTabbableRadio = function isNonTabbableRadio(node) {\n  return isRadio(node) && !isTabbableRadio(node);\n};\n\n// determines if a node is ultimately attached to the window's document\nvar isNodeAttached = function isNodeAttached(node) {\n  var _nodeRoot;\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  // To further complicate things, we have to look all the way up until we find a shadow HOST\n  //  that is attached (or find none) because the node might be in nested shadows...\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  // NOTE: If `nodeRootHost` or `node` happens to be the `document` itself (which is possible\n  //  if a tabbable/focusable node was quickly added to the DOM, focused, and then removed\n  //  from the DOM as in https://github.com/focus-trap/focus-trap-react/issues/905), then\n  //  `ownerDocument` will be `null`, hence the optional chaining on it.\n  var nodeRoot = node && getRootNode(node);\n  var nodeRootHost = (_nodeRoot = nodeRoot) === null || _nodeRoot === void 0 ? void 0 : _nodeRoot.host;\n\n  // in some cases, a detached node will return itself as the root instead of a document or\n  //  shadow root object, in which case, we shouldn't try to look further up the host chain\n  var attached = false;\n  if (nodeRoot && nodeRoot !== node) {\n    var _nodeRootHost, _nodeRootHost$ownerDo, _node$ownerDocument;\n    attached = !!((_nodeRootHost = nodeRootHost) !== null && _nodeRootHost !== void 0 && (_nodeRootHost$ownerDo = _nodeRootHost.ownerDocument) !== null && _nodeRootHost$ownerDo !== void 0 && _nodeRootHost$ownerDo.contains(nodeRootHost) || node !== null && node !== void 0 && (_node$ownerDocument = node.ownerDocument) !== null && _node$ownerDocument !== void 0 && _node$ownerDocument.contains(node));\n    while (!attached && nodeRootHost) {\n      var _nodeRoot2, _nodeRootHost2, _nodeRootHost2$ownerD;\n      // since it's not attached and we have a root host, the node MUST be in a nested shadow DOM,\n      //  which means we need to get the host's host and check if that parent host is contained\n      //  in (i.e. attached to) the document\n      nodeRoot = getRootNode(nodeRootHost);\n      nodeRootHost = (_nodeRoot2 = nodeRoot) === null || _nodeRoot2 === void 0 ? void 0 : _nodeRoot2.host;\n      attached = !!((_nodeRootHost2 = nodeRootHost) !== null && _nodeRootHost2 !== void 0 && (_nodeRootHost2$ownerD = _nodeRootHost2.ownerDocument) !== null && _nodeRootHost2$ownerD !== void 0 && _nodeRootHost2$ownerD.contains(nodeRootHost));\n    }\n  }\n  return attached;\n};\nvar isZeroArea = function isZeroArea(node) {\n  var _node$getBoundingClie = node.getBoundingClientRect(),\n    width = _node$getBoundingClie.width,\n    height = _node$getBoundingClie.height;\n  return width === 0 && height === 0;\n};\nvar isHidden = function isHidden(node, _ref) {\n  var displayCheck = _ref.displayCheck,\n    getShadowRoot = _ref.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  var isDirectSummary = matches.call(node, 'details>summary:first-of-type');\n  var nodeUnderDetails = isDirectSummary ? node.parentElement : node;\n  if (matches.call(nodeUnderDetails, 'details:not([open]) *')) {\n    return true;\n  }\n  if (!displayCheck || displayCheck === 'full' || displayCheck === 'legacy-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      var originalNode = node;\n      while (node) {\n        var parentElement = node.parentElement;\n        var rootNode = getRootNode(node);\n        if (parentElement && !parentElement.shadowRoot && 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      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 (isNodeAttached(node)) {\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    //\n    // v6.0.0: As of this major release, the default 'full' option __no longer treats detached\n    //  nodes as visible with the 'none' fallback.__\n    if (displayCheck !== 'legacy-full') {\n      return true; // hidden\n    }\n    // else, fallback to 'none' mode and consider the node visible\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=none` mode, we assume\n  //  it's visible\n  return false;\n};\n\n// form fields (nested) inside a disabled fieldset are not focusable/tabbable\n//  unless they are in the _first_ <legend> element of the top-most disabled\n//  fieldset\nvar isDisabledFromFieldset = function isDisabledFromFieldset(node) {\n  if (/^(INPUT|BUTTON|SELECT|TEXTAREA)$/.test(node.tagName)) {\n    var parentNode = node.parentElement;\n    // check if `node` is contained in a disabled <fieldset>\n    while (parentNode) {\n      if (parentNode.tagName === 'FIELDSET' && parentNode.disabled) {\n        // look for the first <legend> among the children of the disabled <fieldset>\n        for (var i = 0; i < parentNode.children.length; i++) {\n          var child = parentNode.children.item(i);\n          // when the first <legend> (in document order) is found\n          if (child.tagName === 'LEGEND') {\n            // if its parent <fieldset> is not nested in another disabled <fieldset>,\n            // return whether `node` is a descendant of its first <legend>\n            return matches.call(parentNode, 'fieldset[disabled] *') ? true : !child.contains(node);\n          }\n        }\n        // the disabled <fieldset> containing `node` has no <legend>\n        return true;\n      }\n      parentNode = parentNode.parentElement;\n    }\n  }\n\n  // else, node's tabbable/focusable state should not be affected by a fieldset's\n  //  enabled/disabled state\n  return false;\n};\nvar isNodeMatchingSelectorFocusable = function isNodeMatchingSelectorFocusable(options, node) {\n  if (node.disabled ||\n  // we must do an inert look up to filter out any elements inside an inert ancestor\n  //  because we're limited in the type of selectors we can use in JSDom (see related\n  //  note related to `candidateSelectors`)\n  isInert(node) || isHiddenInput(node) || isHidden(node, options) ||\n  // For a details element with a summary, the summary element gets the focus\n  isDetailsWithSummary(node) || isDisabledFromFieldset(node)) {\n    return false;\n  }\n  return true;\n};\nvar isNodeMatchingSelectorTabbable = function isNodeMatchingSelectorTabbable(options, node) {\n  if (isNonTabbableRadio(node) || getTabIndex(node) < 0 || !isNodeMatchingSelectorFocusable(options, node)) {\n    return false;\n  }\n  return true;\n};\nvar isValidShadowRootTabbable = function isValidShadowRootTabbable(shadowHostNode) {\n  var tabIndex = parseInt(shadowHostNode.getAttribute('tabindex'), 10);\n  if (isNaN(tabIndex) || tabIndex >= 0) {\n    return true;\n  }\n  // If a custom element has an explicit negative tabindex,\n  // browsers will not allow tab targeting said element's children.\n  return false;\n};\n\n/**\n * @param {Array.<Element|CandidateScope>} candidates\n * @returns Element[]\n */\nvar sortByOrder = function sortByOrder(candidates) {\n  var regularTabbables = [];\n  var orderedTabbables = [];\n  candidates.forEach(function (item, i) {\n    var isScope = !!item.scopeParent;\n    var element = isScope ? item.scopeParent : item;\n    var candidateTabindex = getSortOrderTabIndex(element, isScope);\n    var elements = isScope ? sortByOrder(item.candidates) : element;\n    if (candidateTabindex === 0) {\n      isScope ? regularTabbables.push.apply(regularTabbables, elements) : regularTabbables.push(element);\n    } else {\n      orderedTabbables.push({\n        documentOrder: i,\n        tabIndex: candidateTabindex,\n        item: item,\n        isScope: isScope,\n        content: elements\n      });\n    }\n  });\n  return orderedTabbables.sort(sortOrderedTabbables).reduce(function (acc, sortable) {\n    sortable.isScope ? acc.push.apply(acc, sortable.content) : acc.push(sortable.content);\n    return acc;\n  }, []).concat(regularTabbables);\n};\nvar tabbable = function tabbable(container, options) {\n  options = options || {};\n  var candidates;\n  if (options.getShadowRoot) {\n    candidates = getCandidatesIteratively([container], options.includeContainer, {\n      filter: isNodeMatchingSelectorTabbable.bind(null, options),\n      flatten: false,\n      getShadowRoot: options.getShadowRoot,\n      shadowRootFilter: isValidShadowRootTabbable\n    });\n  } else {\n    candidates = getCandidates(container, options.includeContainer, isNodeMatchingSelectorTabbable.bind(null, options));\n  }\n  return sortByOrder(candidates);\n};\nvar focusable = function focusable(container, options) {\n  options = options || {};\n  var candidates;\n  if (options.getShadowRoot) {\n    candidates = getCandidatesIteratively([container], options.includeContainer, {\n      filter: isNodeMatchingSelectorFocusable.bind(null, options),\n      flatten: true,\n      getShadowRoot: options.getShadowRoot\n    });\n  } else {\n    candidates = getCandidates(container, options.includeContainer, isNodeMatchingSelectorFocusable.bind(null, options));\n  }\n  return candidates;\n};\nvar isTabbable = function isTabbable(node, options) {\n  options = options || {};\n  if (!node) {\n    throw new Error('No node provided');\n  }\n  if (matches.call(node, candidateSelector) === false) {\n    return false;\n  }\n  return isNodeMatchingSelectorTabbable(options, node);\n};\nvar focusableCandidateSelector = /* #__PURE__ */candidateSelectors.concat('iframe').join(',');\nvar isFocusable = function isFocusable(node, options) {\n  options = options || {};\n  if (!node) {\n    throw new Error('No node provided');\n  }\n  if (matches.call(node, focusableCandidateSelector) === false) {\n    return false;\n  }\n  return isNodeMatchingSelectorFocusable(options, node);\n};\n\nexport { focusable, getTabIndex, isFocusable, isTabbable, tabbable };\n//# sourceMappingURL=index.esm.js.map\n",null,null,null,null,null,null,"// src/utilities/Rect.ts\nvar Rect = class {\n  /**\n   * Intersects two DOMRects.\n   *\n   * @param rect1 - The first DOMRect.\n   * @param rect2 - The second DOMRect.\n   * @returns The intersection of the two DOMRects.\n   */\n  static intersect(rect1, rect2) {\n    const left = Math.max(rect1.left, rect2.left);\n    const right = Math.min(rect1.right, rect2.right);\n    const top = Math.max(rect1.top, rect2.top);\n    const bottom = Math.min(rect1.bottom, rect2.bottom);\n    const width = Math.max(0, right - left);\n    const height = Math.max(0, bottom - top);\n    return new DOMRect(left, top, width, height);\n  }\n  /**\n   * Clips a DOMRect to a given rectangle.\n   *\n   * @param rect - The DOMRect to clip.\n   * @param clip - The rectangle to clip the DOMRect to.\n   * @returns The clipped DOMRect.\n   */\n  static clip(rect, clip) {\n    const updatedRect = {\n      ...rect.toJSON(),\n      top: rect.top + clip.top,\n      left: rect.left + clip.left,\n      bottom: rect.bottom - clip.bottom,\n      right: rect.right - clip.right\n    };\n    updatedRect.width = updatedRect.right - updatedRect.left;\n    updatedRect.height = updatedRect.bottom - updatedRect.top;\n    return updatedRect;\n  }\n  /**\n   * Calculates the offsets of a clipped DOMRect.\n   *\n   * @param rect - The DOMRect to calculate the offsets for.\n   * @param clippedRect - The clipped DOMRect.\n   * @returns The offsets of the clipped DOMRect.\n   */\n  static clipOffsets(rect, clippedRect) {\n    return {\n      top: clippedRect.top - rect.top,\n      left: clippedRect.left - rect.left,\n      bottom: rect.bottom - clippedRect.bottom,\n      right: rect.right - clippedRect.right\n    };\n  }\n  /**\n   * Checks if two DOMRects are equal.\n   *\n   * @param rect1 - The first DOMRect.\n   * @param rect2 - The second DOMRect.\n   * @returns True if the DOMRects are equal, false otherwise.\n   */\n  static equals(rect1, rect2) {\n    if (rect1 == null || rect2 == null) return rect1 === rect2;\n    return rect1.x === rect2.x && rect1.y === rect2.y && rect1.width === rect2.width && rect1.height === rect2.height;\n  }\n  static sizeEqual(rect1, rect2) {\n    return Math.round(rect1.width) === Math.round(rect2.width) && Math.round(rect1.height) === Math.round(rect2.height);\n  }\n};\n\n// src/utilities/rootMargin.ts\nvar INSET = -1;\nvar MIN_SIZE = 1 - INSET * 2;\nfunction rootMargin(rect, rootBounds) {\n  const width = Math.max(rect.width, MIN_SIZE);\n  const height = Math.max(rect.height, MIN_SIZE);\n  const top = rect.top - rootBounds.top - INSET;\n  const left = rect.left - rootBounds.left - INSET;\n  const right = rootBounds.right - rect.left - width - INSET;\n  const bottom = rootBounds.bottom - rect.top - height - INSET;\n  return `${-Math.round(top)}px ${-Math.round(right)}px ${-Math.round(bottom)}px ${-Math.round(left)}px`;\n}\n\n// src/utilities/threshold.ts\nvar threshold = [\n  ...Array.from({ length: 1e3 }, (_, i) => i / 1e3),\n  1\n];\n\n// src/observers/PositionIntersectionObserver.ts\nvar PositionIntersectionObserver = class {\n  constructor(element, callback, options) {\n    this.#callback = callback;\n    this.#options = options;\n    this.#clientRect = options.clientRect;\n    this.#observe(element);\n  }\n  #callback;\n  #observer = void 0;\n  #options;\n  #clientRect;\n  #previousIntersectionRatio = void 0;\n  /**\n   * The visible rectangle of the element within the root.\n   *\n   * @returns The visible rectangle of the element within the root.\n   */\n  get visibleRect() {\n    const clip = this.#options.clip;\n    return clip ? Rect.clip(this.#clientRect, clip) : this.#clientRect;\n  }\n  /**\n   * Whether the element is intersecting with the root.\n   *\n   * @returns Whether the element is intersecting with the root.\n   */\n  get isIntersecting() {\n    const { width, height } = this.visibleRect;\n    return width > 0 && height > 0;\n  }\n  /**\n   * Observes the element.\n   */\n  #observe(element) {\n    const { root, rootBounds } = this.#options;\n    const { visibleRect } = this;\n    this.#observer?.disconnect();\n    this.#observer = new IntersectionObserver(this.#onIntersection, {\n      root,\n      rootMargin: rootMargin(visibleRect, rootBounds),\n      threshold\n    });\n    this.#observer.observe(element);\n  }\n  /**\n   * The callback function for the intersection observer.\n   */\n  #onIntersection = (entries) => {\n    if (!this.#observer) return;\n    const entry = entries[entries.length - 1];\n    if (entry) {\n      const { intersectionRatio, boundingClientRect } = entry;\n      const previousClientRect = this.#clientRect;\n      this.#clientRect = boundingClientRect;\n      const previousIntersectionRatio = this.#previousIntersectionRatio;\n      const clientRectChanged = !Rect.equals(\n        boundingClientRect,\n        previousClientRect\n      );\n      if (intersectionRatio !== this.#previousIntersectionRatio || clientRectChanged) {\n        const rootBounds = this.#options.rootBounds;\n        const rootIntersection = Rect.intersect(boundingClientRect, rootBounds);\n        const isIntersecting = rootIntersection.width > 0 && rootIntersection.height > 0;\n        if (!isIntersecting) {\n          return;\n        }\n        this.#previousIntersectionRatio = intersectionRatio;\n        if (previousIntersectionRatio != null || clientRectChanged) {\n          this.#callback(\n            new PositionIntersectionObserverEntry(\n              entry.target,\n              boundingClientRect,\n              entry.intersectionRect,\n              isIntersecting,\n              rootBounds\n            ),\n            this\n          );\n          this.#observe(entry.target);\n        }\n      }\n    }\n  };\n  /**\n   * Disconnects the position intersection observer.\n   */\n  disconnect() {\n    this.#observer?.disconnect();\n  }\n};\nvar PositionIntersectionObserverEntry = class {\n  constructor(target, boundingClientRect, intersectionRect, isIntersecting, rootBounds) {\n    this.target = target;\n    this.boundingClientRect = boundingClientRect;\n    this.intersectionRect = intersectionRect;\n    this.isIntersecting = isIntersecting;\n    this.rootBounds = rootBounds;\n  }\n};\n\n// src/observers/RootBoundsObserver.ts\nvar RootBoundsObserver = class {\n  /**\n   * Creates a new root bounds observer.\n   *\n   * @param root - The root element to observe.\n   * @param callback - The callback function to call when the root bounds change.\n   */\n  constructor(target, callback) {\n    const root = getRoot(target);\n    if (isElement(root)) {\n      const ownerDocument = root.ownerDocument ?? document;\n      this.rootBounds = root.getBoundingClientRect();\n      this.#resizeObserver = new ResizeObserver((entries) => {\n        for (const entry of entries) {\n          const [{ inlineSize: width, blockSize: height }] = entry.borderBoxSize;\n          if (Rect.sizeEqual(this.rootBounds, { width, height })) {\n            continue;\n          }\n          const rect = entry.target.getBoundingClientRect();\n          this.rootBounds = rect;\n          callback(rect, this);\n        }\n      });\n      this.#resizeObserver.observe(root);\n      ownerDocument.addEventListener(\n        \"scroll\",\n        (event) => {\n          if (event.target && event.target !== root && isNode(event.target) && event.target.contains(root)) {\n            this.rootBounds = root.getBoundingClientRect();\n            callback(this.rootBounds, this);\n          }\n        },\n        { capture: true, passive: true, signal: this.#controller.signal }\n      );\n    } else {\n      const viewport = root.visualViewport ?? root;\n      this.rootBounds = getWindowRect(root);\n      const handleResize = () => {\n        const rect = getWindowRect(root);\n        if (Rect.equals(this.rootBounds, rect)) return;\n        this.rootBounds = rect;\n        callback(rect, this);\n      };\n      viewport.addEventListener(\"resize\", handleResize, {\n        signal: this.#controller.signal\n      });\n    }\n  }\n  /**\n   * The resize observer if the root is an element.\n   */\n  #resizeObserver;\n  /**\n   * The controller to disconnect the root bounds resize and scroll listeners.\n   */\n  #controller = new AbortController();\n  /**\n   * The bounds of the root element.\n   */\n  rootBounds;\n  /**\n   * Disconnects the root bounds observer.\n   */\n  disconnect() {\n    this.#resizeObserver?.disconnect();\n    this.#controller.abort();\n  }\n};\nfunction getWindowRect(window2) {\n  const width = window2.visualViewport?.width ?? window2.innerWidth;\n  const height = window2.visualViewport?.height ?? window2.innerHeight;\n  return new DOMRect(0, 0, width, height);\n}\nfunction isNode(target) {\n  return \"nodeType\" in target;\n}\nfunction isElement(target) {\n  return isNode(target) && target.nodeType === Node.ELEMENT_NODE;\n}\nfunction isDocument(root) {\n  return root.nodeType === Node.DOCUMENT_NODE;\n}\nfunction getRoot(target) {\n  return !target || isDocument(target) ? target?.defaultView ?? window : target;\n}\n\n// src/observers/VisibilityObserver.ts\nvar VisibilityObserver = class {\n  constructor(callback, options) {\n    this.#options = options;\n    this.#callback = (entries) => {\n      const changedEntries = [];\n      for (const entry of entries) {\n        const previousIntersection = this.intersections.get(entry.target);\n        this.intersections.set(entry.target, entry);\n        if (previousIntersection?.isIntersecting !== entry.isIntersecting || !Rect.equals(\n          previousIntersection?.intersectionRect,\n          entry.intersectionRect\n        )) {\n          changedEntries.push(entry);\n        }\n      }\n      if (changedEntries.length > 0) {\n        callback(changedEntries, this);\n      }\n    };\n  }\n  /**\n   * The callback function to be invoked when the intersection entries change.\n   */\n  #callback;\n  /**\n   * The visibility observer for each document.\n   */\n  #observers = /* @__PURE__ */ new Map();\n  /**\n   * The options for the visibility observer.\n   */\n  #options;\n  /**\n   * The latest intersection entries for the observed elements.\n   */\n  intersections = /* @__PURE__ */ new WeakMap();\n  /**\n   * Observes an element.\n   *\n   * @param element - The element to observe.\n   */\n  observe(element) {\n    const document2 = element.ownerDocument;\n    if (!document2) return;\n    let observer = this.#observers.get(document2);\n    if (!observer) {\n      observer = new IntersectionObserver(this.#callback, {\n        ...this.#options,\n        threshold\n      });\n      this.#observers.set(document2, observer);\n    }\n    observer.observe(element);\n  }\n  /**\n   * Unobserves an element.\n   *\n   * @param element - The element to unobserve.\n   */\n  unobserve(element) {\n    const document2 = element.ownerDocument;\n    if (!document2) return;\n    const observer = this.#observers.get(document2);\n    if (!observer) return;\n    observer.unobserve(element);\n    this.intersections.delete(element);\n  }\n  /**\n   * Disconnects the visibility observer.\n   */\n  disconnect() {\n    for (const observer of this.#observers.values()) {\n      observer.disconnect();\n    }\n    this.#observers.clear();\n  }\n};\n\n// src/PositionObserver.ts\nvar PositionObserver = class {\n  constructor(callback, options) {\n    this.#callback = callback;\n    this.#options = options;\n    this.#rootBoundsObserver = new RootBoundsObserver(\n      options?.root,\n      this.#onRootBoundsChange\n    );\n    this.#visibilityObserver = new VisibilityObserver(\n      this.#onVisibilityChange,\n      options\n    );\n    this.#resizeObserver = new ResizeObserver(this.#onResize);\n  }\n  /**\n   * The callback function to be invoked when the position changes.\n   */\n  #callback;\n  /**\n   * The options for the position observer.\n   */\n  #options;\n  /**\n   * The position observers for the observed elements.\n   */\n  #positionObservers = /* @__PURE__ */ new Map();\n  /**\n   * The resize observer for the observed elements.\n   */\n  #resizeObserver;\n  /**\n   * The positions of the observed elements.\n   */\n  #positions = /* @__PURE__ */ new WeakMap();\n  /**\n   * The root bounds observer for the observed elements.\n   */\n  #rootBoundsObserver;\n  /**\n   * The visibility observer for the observed elements.\n   */\n  #visibilityObserver;\n  /**\n   * Observes an element.\n   *\n   * @param element - The element to observe.\n   */\n  observe(element) {\n    this.#visibilityObserver.observe(element);\n  }\n  /**\n   * Unobserves an element.\n   *\n   * @param element - The element to unobserve. If not provided, the position observer is disconnected.\n   */\n  unobserve(element) {\n    if (element) {\n      this.#positionObservers.get(element)?.disconnect();\n      this.#visibilityObserver.unobserve(element);\n    } else {\n      this.disconnect();\n    }\n  }\n  /**\n   * Disconnects the observer.\n   */\n  disconnect() {\n    for (const positionObserver of this.#positionObservers.values()) {\n      positionObserver.disconnect();\n    }\n    this.#resizeObserver.disconnect();\n    this.#rootBoundsObserver.disconnect();\n    this.#visibilityObserver.disconnect();\n  }\n  /**\n   * Notifies the position observer of the changes.\n   *\n   * @param entries - The entries to notify.\n   */\n  #notify(entries) {\n    const records = [];\n    for (const entry of entries) {\n      const { target } = entry;\n      const previousEntry = this.#positions.get(target);\n      if (isEntryEqual(entry, previousEntry)) continue;\n      this.#positions.set(target, entry);\n      records.push(entry);\n    }\n    if (records.length > 0) {\n      this.#callback(records);\n    }\n  }\n  /**\n   * The callback function to be invoked when the root bounds change.\n   */\n  #onRootBoundsChange = (rootBounds) => {\n    const entries = [];\n    for (const [element] of this.#positionObservers) {\n      const boundingClientRect = element.getBoundingClientRect();\n      const observer = this.#observePosition(element, boundingClientRect);\n      entries.push(\n        new PositionObserverEntry(\n          element,\n          boundingClientRect,\n          observer.visibleRect,\n          observer.isIntersecting,\n          rootBounds\n        )\n      );\n    }\n    this.#notify(entries);\n  };\n  /**\n   * Observes the position of an element.\n   *\n   * @param element - The element to observe.\n   * @param clientRect - The client rect of the element.\n   */\n  #observePosition(element, clientRect) {\n    const visibilityObserver = this.#visibilityObserver;\n    this.#positionObservers.get(element)?.disconnect();\n    const positionObserver = new PositionIntersectionObserver(\n      element,\n      this.#onPositionChange,\n      {\n        clientRect,\n        root: this.#options?.root,\n        rootBounds: this.#rootBoundsObserver.rootBounds,\n        get clip() {\n          const intersection = visibilityObserver.intersections.get(element);\n          if (!intersection) return;\n          const { intersectionRect, boundingClientRect } = intersection;\n          return Rect.clipOffsets(boundingClientRect, intersectionRect);\n        }\n      }\n    );\n    this.#positionObservers.set(element, positionObserver);\n    return positionObserver;\n  }\n  /**\n   * The callback function to be invoked when the visibility changes.\n   */\n  #onVisibilityChange = (entries) => {\n    const records = [];\n    for (const entry of entries) {\n      const { target, isIntersecting, boundingClientRect } = entry;\n      if (isIntersecting) {\n        this.#observePosition(target, boundingClientRect);\n        this.#resizeObserver.observe(target);\n      } else {\n        this.#positionObservers.get(target)?.disconnect();\n        this.#positionObservers.delete(target);\n        this.#resizeObserver.unobserve(target);\n      }\n      const observer = this.#positionObservers.get(target);\n      records.push(\n        new PositionObserverEntry(\n          target,\n          boundingClientRect,\n          observer?.visibleRect ?? entry.intersectionRect,\n          isIntersecting,\n          this.#rootBoundsObserver.rootBounds\n        )\n      );\n    }\n    this.#notify(records);\n  };\n  /**\n   * The callback function to be invoked when the position changes.\n   */\n  #onPositionChange = (entry, observer) => {\n    this.#notify([\n      new PositionObserverEntry(\n        entry.target,\n        entry.boundingClientRect,\n        observer.visibleRect,\n        entry.isIntersecting,\n        this.#rootBoundsObserver.rootBounds\n      )\n    ]);\n  };\n  /**\n   * The callback function to be invoked when the resize observer entries change.\n   */\n  #onResize = (entries) => {\n    const records = [];\n    for (const entry of entries) {\n      const { target, borderBoxSize } = entry;\n      const previous = this.#positions.get(target);\n      if (previous) {\n        const [{ inlineSize: width, blockSize: height }] = borderBoxSize;\n        if (Rect.sizeEqual(previous.boundingClientRect, { width, height })) {\n          continue;\n        }\n      }\n      const boundingClientRect = target.getBoundingClientRect();\n      const observer = this.#observePosition(target, boundingClientRect);\n      records.push(\n        new PositionObserverEntry(\n          target,\n          boundingClientRect,\n          observer.visibleRect,\n          this.#visibilityObserver.intersections.get(target)?.isIntersecting ?? false,\n          this.#rootBoundsObserver.rootBounds\n        )\n      );\n    }\n    this.#notify(records);\n  };\n};\nvar PositionObserverEntry = class {\n  constructor(target, boundingClientRect, intersectionRect, isIntersecting, rootBounds) {\n    this.target = target;\n    this.boundingClientRect = boundingClientRect;\n    this.intersectionRect = intersectionRect;\n    this.isIntersecting = isIntersecting;\n    this.rootBounds = rootBounds;\n  }\n};\nfunction isEntryEqual(first, second) {\n  if (second == null) return false;\n  return first.target === second.target && first.isIntersecting === second.isIntersecting && Rect.equals(first.boundingClientRect, second.boundingClientRect) && Rect.equals(first.intersectionRect, second.intersectionRect);\n}\nexport {\n  PositionObserver,\n  PositionObserverEntry\n};\n//# sourceMappingURL=index.js.map",null,null,null,null,null],"names":["candidateSelector","join","NoElement","Element","matches","prototype","msMatchesSelector","webkitMatchesSelector","getRootNode","element","_element$getRootNode","call","ownerDocument","isInert","node","lookUp","_node$getAttribute","inertAtt","getAttribute","parentNode","getCandidatesIteratively","elements","includeContainer","options","candidates","elementsToCheck","Array","from","length","shift","tagName","assigned","assignedElements","nestedCandidates","children","flatten","push","apply","scopeParent","filter","includes","shadowRoot","getShadowRoot","validShadowRoot","shadowRootFilter","_nestedCandidates","unshift","hasTabIndex","isNaN","parseInt","getTabIndex","Error","tabIndex","test","_node$getAttribute2","attValue","isContentEditable","sortOrderedTabbables","a","b","documentOrder","isInput","isNonTabbableRadio","type","isRadio","name","radioSet","radioScope","form","queryRadios","querySelectorAll","window","CSS","escape","err","console","error","message","checked","nodes","i","getCheckedRadio","isTabbableRadio","isZeroArea","_node$getBoundingClie","getBoundingClientRect","width","height","isHidden","_ref","displayCheck","getComputedStyle","visibility","nodeUnderDetails","parentElement","originalNode","rootNode","assignedSlot","host","_nodeRoot","_nodeRootHost","_nodeRootHost$ownerDo","_node$ownerDocument","nodeRoot","nodeRootHost","attached","contains","_nodeRoot2","_nodeRootHost2","_nodeRootHost2$ownerD","isNodeAttached","getClientRects","isNodeMatchingSelectorFocusable","disabled","isHiddenInput","slice","some","child","isDetailsWithSummary","item","isDisabledFromFieldset","isNodeMatchingSelectorTabbable","isValidShadowRootTabbable","shadowHostNode","sortByOrder","regularTabbables","orderedTabbables","forEach","isScope","candidateTabindex","getSortOrderTabIndex","content","sort","reduce","acc","sortable","concat","tabbable","container","bind","el","getCandidates","evaluateRegistrationConditions","isTouchDevice","matchMedia","navigator","maxTouchPoints","isLimitedConnection","connection","effectiveType","saveData","hasConnectionLimitations","shouldRegister","MAX_HITSLOP","clampNumber","number","lowerBound","upperBound","settingName","warn","Math","min","max","lineSegmentIntersectsRect","p1","p2","rect","t0","t1","dx","x","dy","y","clipTest","p","q","r","left","right","top","bottom","normalizeHitSlop","hitSlop","clampedValue","getExpandedRect","baseRect","areRectsEqual","rect1","rect2","isPointInRectangle","point","shouldUpdateSetting","newValue","currentValue","undefined","Rect","intersect","DOMRect","clip","updatedRect","toJSON","clipOffsets","clippedRect","equals","sizeEqual","round","rootMargin","rootBounds","threshold","_","PositionIntersectionObserver","constructor","callback","this","clientRect","observe","observer","previousIntersectionRatio","visibleRect","isIntersecting","root","disconnect","IntersectionObserver","onIntersection","entries","entry","intersectionRatio","boundingClientRect","previousClientRect","clientRectChanged","rootIntersection","PositionIntersectionObserverEntry","target","intersectionRect","RootBoundsObserver","nodeType","Node","DOCUMENT_NODE","isDocument","defaultView","getRoot","isNode","ELEMENT_NODE","isElement","document","resizeObserver","ResizeObserver","inlineSize","bl