@cerberus-design/react/build/modern/chunk-IX7BYPTS.js

The Cerberus Design React component library.

// src/components/deprecated/aria-helpers/trap-focus.aria.ts
function trapFocus(modalRef) {
  const focusableElements = 'button, [href], input, select, textarea, [tabindex]:not([tabindex="-1"])';
  const focusable = Array.from(
    modalRef.current?.querySelectorAll(focusableElements) ?? []
  );
  const firstFocusable = focusable[0];
  const lastFocusable = focusable[focusable.length - 1];
  return function handleKeyDown(event) {
    if (event.key === "Tab") {
      if (event.shiftKey) {
        if (document.activeElement === firstFocusable) {
          lastFocusable.focus();
          event.preventDefault();
        }
      } else {
        if (document.activeElement === lastFocusable) {
          firstFocusable.focus();
          event.preventDefault();
        }
      }
    }
  };
}

export {
  trapFocus
};
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