Function focusLast

packages/react-aria/src/focus/FocusScope.tsx:270–281

(opts = {})

      return nextNode;
    },
    focusLast(opts = {}) {
      let scope = scopeRef.current!;
      let {tabbable, accept} = opts;
      let scopeRoot = getScopeRoot(scope);
      let walker = getFocusableTreeWalker(scopeRoot, {tabbable, accept}, scope);
      walker.currentNode = scope[scope.length - 1].nextElementSibling!;
      let previousNode = walker.previousNode() as FocusableElement;
      if (previousNode) {
        focusElement(previousNode, true);
      }
      return previousNode;
    }
  };
}