Function focusLastDescendant

core/src/utils/focus-trap.ts:44–49

(ref: R, fallbackElement?: T)

 * If no fallback is specified then we focus the container itself.
 */
export const focusLastDescendant = <R extends HTMLElement, T extends HTMLElement>(ref: R, fallbackElement?: T) => {
  const inputs = Array.from(ref.querySelectorAll<HTMLElement>(focusableQueryString));
  const lastInput = inputs.length > 0 ? inputs[inputs.length - 1] : null;

  focusElementInContext(lastInput, fallbackElement ?? ref);
};

/**
 * Focuses a particular element in a context. If the element