{"version":3,"file":"index.umd.min.js","sources":["../src/index.js"],"sourcesContent":["const candidateSelectors = [\n  'input',\n  'select',\n  'textarea',\n  'a[href]',\n  'button',\n  '[tabindex]',\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 matches =\n  typeof Element === 'undefined'\n    ? function () {}\n    : Element.prototype.matches ||\n      Element.prototype.msMatchesSelector ||\n      Element.prototype.webkitMatchesSelector;\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\nconst isContentEditable = 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null\n  ) {\n    return 0;\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 || node.ownerDocument;\n\n  const queryRadios = function 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});\n\n  const tabbableNodes = orderedTabbables\n    .sort(sortOrderedTabbables)\n    .map((a) => a.node)\n    .concat(regularTabbables);\n\n  return tabbableNodes;\n};\n\nconst focusable = function (el, options) {\n  options = options || {};\n\n  const candidates = getCandidates(\n    el,\n    options.includeContainer,\n    isNodeMatchingSelectorFocusable.bind(null, options)\n  );\n\n  return candidates;\n};\n\nconst isTabbable = function (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};\n\nconst focusableCandidateSelector = /* #__PURE__ */ candidateSelectors\n  .concat('iframe')\n  .join(',');\n\nconst isFocusable = function (node, options) {\n  options = options || {};\n  if (!node) {\n    throw new Error('No node provided');\n  }\n  if (matches.call(node, focusableCandidateSelector) 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