These files should not be added

build/javascript/node_modules/tabbable/index.js

@@ -1,153 +0,0 @@
-var candidateSelectors = [
-  'input',
-  'select',
-  'textarea',
-  'a[href]',
-  'button',
-  '[tabindex]',
-  'audio[controls]',
-  'video[controls]',
-  '[contenteditable]:not([contenteditable="false"])',
-];
-var candidateSelector = candidateSelectors.join(',');
-
-var matches = typeof Element === 'undefined'
-  ? function () {}
-  : Element.prototype.matches || Element.prototype.msMatchesSelector || Element.prototype.webkitMatchesSelector;
-
-function tabbable(el, options) {
-  options = options || {};
-
-  var regularTabbables = [];
-  var orderedTabbables = [];
-
-  var candidates = el.querySelectorAll(candidateSelector);
-
-  if (options.includeContainer) {
-    if (matches.call(el, candidateSelector)) {
-      candidates = Array.prototype.slice.apply(candidates);
-      candidates.unshift(el);
-    }
-  }
-
-  var i, candidate, candidateTabindex;
-  for (i = 0; i < candidates.length; i++) {
-    candidate = candidates[i];
-
-    if (!isNodeMatchingSelectorTabbable(candidate)) continue;
-
-    candidateTabindex = getTabindex(candidate);
-    if (candidateTabindex === 0) {
-      regularTabbables.push(candidate);
-    } else {
-      orderedTabbables.push({
-        documentOrder: i,
-        tabIndex: candidateTabindex,
-        node: candidate,
-      });
-    }
-  }
-
-  var tabbableNodes = orderedTabbables
-    .sort(sortOrderedTabbables)
-    .map(function(a) { return a.node })
-    .concat(regularTabbables);
-
-  return tabbableNodes;
-}
-
-tabbable.isTabbable = isTabbable;
-tabbable.isFocusable = isFocusable;
-
-function isNodeMatchingSelectorTabbable(node) {
-  if (
-    !isNodeMatchingSelectorFocusable(node)
-    || isNonTabbableRadio(node)
-    || getTabindex(node) < 0
-  ) {
-    return false;
-  }
-  return true;
-}
-
-function isTabbable(node) {
-  if (!node) throw new Error('No node provided');
-  if (matches.call(node, candidateSelector) === false) return false;
-  return isNodeMatchingSelectorTabbable(node);
-}
-
-function isNodeMatchingSelectorFocusable(node) {
-  if (
-    node.disabled
-    || isHiddenInput(node)
-    || isHidden(node)
-  ) {
-    return false;
-  }
-  return true;
-}
-
-var focusableCandidateSelector = candidateSelectors.concat('iframe').join(',');
-function isFocusable(node) {
-  if (!node) throw new Error('No node provided');
-  if (matches.call(node, focusableCandidateSelector) === false) return false;
-  return isNodeMatchingSelectorFocusable(node);
-}
-
-function getTabindex(node) {
-  var tabindexAttr = parseInt(node.getAttribute('tabindex'), 10);
-  if (!isNaN(tabindexAttr)) return tabindexAttr;
-  // Browsers do not return `tabIndex` correctly for contentEditable nodes;
-  // so if they don't have a tabindex attribute specifically set, assume it's 0.
-  if (isContentEditable(node)) return 0;
-  return node.tabIndex;
-}
-
-function sortOrderedTabbables(a, b) {
-  return a.tabIndex === b.tabIndex ? a.documentOrder - b.documentOrder : a.tabIndex - b.tabIndex;
-}
-
-function isContentEditable(node) {
-  return node.contentEditable === 'true';
-}
-
-function isInput(node) {
-  return node.tagName === 'INPUT';
-}
-
-function isHiddenInput(node) {
-  return isInput(node) && node.type === 'hidden';
-}
-
-function isRadio(node) {
-  return isInput(node) && node.type === 'radio';
-}
-
-function isNonTabbableRadio(node) {
-  return isRadio(node) && !isTabbableRadio(node);
-}
-
-function getCheckedRadio(nodes) {
-  for (var i = 0; i < nodes.length; i++) {
-    if (nodes[i].checked) {
-      return nodes[i];
-    }
-  }
-}
-
-function isTabbableRadio(node) {
-  if (!node.name) return true;
-  // This won't account for the edge case where you have radio groups with the same
-  // in separate forms on the same page.
-  var radioSet = node.ownerDocument.querySelectorAll('input[type="radio"][name="' + node.name + '"]');
-  var checked = getCheckedRadio(radioSet);
-  return !checked || checked === node;
-}
-
-function isHidden(node) {
-  // offsetParent being null will allow detecting cases where an element is invisible or inside an invisible element,
-  // as long as the element does not use position: fixed. For them, their visibility has to be checked directly as well.
-  return node.offsetParent === null || getComputedStyle(node).visibility === 'hidden';
-}
-
-module.exports = tabbable;