Function setElements

packages/joint-react/src/utils/cell/set-cells.ts:121–131

(options: Options)

 * It also checks for unsized elements and returns their IDs.
 */
export function setElements(options: Options) {
  const { graph, initialElements } = options;
  if (initialElements === undefined) {
    return new Set<string>();
  }
  const unsizedIds = new Set<string>();

  // Process elements if provided.
  graph.addCells(initialElements.map((item) => processElement(item, unsizedIds)));
  return unsizedIds;
}