@ou-imdt/utils/lib/composedDescendants.js

Utility library for interactive media development

/**
 * Generator function that yields all composed descendants of a node.
 * @param {Node} node - The root node.
 * @yields {Node} Each composed descendant node.
 */
export default function* composedDescendants(node) {
  const root = node.shadowRoot ? node.shadowRoot : node;
  const children = (node instanceof HTMLSlotElement) ? root.assignedElements() : [...root.children];

  yield* children;

  for (const child of children) {
    yield* composedDescendants(child);
  }
}