react-resizable-panels/src/utils/dom/getResizeHandleElementsForGroup.ts

React components for resizable panel groups/layouts

export function getResizeHandleElementsForGroup(
  groupId: string,
  scope: ParentNode | HTMLElement = document
): HTMLElement[] {
  return Array.from(
    scope.querySelectorAll(
      `[data-panel-resize-handle-id][data-panel-group-id="${groupId}"]`
    )
  );
}