emaui/node_modules/@mantine/hooks/cjs/use-focus-trap/tabbable.cjs

'use client';
'use strict';

const TABBABLE_NODES = /input|select|textarea|button|object/;
const FOCUS_SELECTOR = "a, input, select, textarea, button, object, [tabindex]";
function hidden(element) {
  if (process.env.NODE_ENV === "test") {
    return false;
  }
  return element.style.display === "none";
}
function visible(element) {
  const isHidden = element.getAttribute("aria-hidden") || element.getAttribute("hidden") || element.getAttribute("type") === "hidden";
  if (isHidden) {
    return false;
  }
  let parentElement = element;
  while (parentElement) {
    if (parentElement === document.body || parentElement.nodeType === 11) {
      break;
    }
    if (hidden(parentElement)) {
      return false;
    }
    parentElement = parentElement.parentNode;
  }
  return true;
}
function getElementTabIndex(element) {
  let tabIndex = element.getAttribute("tabindex");
  if (tabIndex === null) {
    tabIndex = void 0;
  }
  return parseInt(tabIndex, 10);
}
function focusable(element) {
  const nodeName = element.nodeName.toLowerCase();
  const isTabIndexNotNaN = !Number.isNaN(getElementTabIndex(element));
  const res = (
    // @ts-expect-error function accepts any html element but if it is a button, it should not be disabled to trigger the condition
    TABBABLE_NODES.test(nodeName) && !element.disabled || (element instanceof HTMLAnchorElement ? element.href || isTabIndexNotNaN : isTabIndexNotNaN)
  );
  return res && visible(element);
}
function tabbable(element) {
  const tabIndex = getElementTabIndex(element);
  const isTabIndexNaN = Number.isNaN(tabIndex);
  return (isTabIndexNaN || tabIndex >= 0) && focusable(element);
}
function findTabbableDescendants(element) {
  return Array.from(element.querySelectorAll(FOCUS_SELECTOR)).filter(tabbable);
}

exports.FOCUS_SELECTOR = FOCUS_SELECTOR;
exports.findTabbableDescendants = findTabbableDescendants;
exports.focusable = focusable;
exports.tabbable = tabbable;
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