function bodyTrap()

in src/helpers/bodyTrap.js [42:73]

• 28 lines of code
• 8 McCabe index (conditional complexity)

function bodyTrap(eventType, openInstances) {
  if (!before && !after) {
    before = document.createElement("div");
    before.setAttribute("data-react-modal-body-trap", "");
    before.style.position = "absolute";
    before.style.opacity = "0";
    before.setAttribute("tabindex", "0");
    before.addEventListener("focus", focusContent);
    after = before.cloneNode();
    after.addEventListener("focus", focusContent);
  }

  instances = openInstances;

  if (instances.length > 0) {
    // Add focus trap
    if (document.body.firstChild !== before) {
      document.body.insertBefore(before, document.body.firstChild);
    }
    if (document.body.lastChild !== after) {
      document.body.appendChild(after);
    }
  } else {
    // Remove focus trap
    if (before.parentElement) {
      before.parentElement.removeChild(before);
    }
    if (after.parentElement) {
      after.parentElement.removeChild(after);
    }
  }
}