Function walk

packages/sdk/src/document.ts:245–248

(el: HyperFramesElement)

export function flatElements(roots: readonly HyperFramesElement[]): HyperFramesElement[] {
  const result: HyperFramesElement[] = [];
  function walk(el: HyperFramesElement) {
    result.push(el);
    for (const child of el.children) walk(child);
  }
  for (const root of roots) walk(root);
  return result;
}