Function nodesToJSON

packages/backend/src/altNodes/jsonNodeConversion.ts:633–710

(
  nodes: ReadonlyArray<SceneNode>,
  settings: PluginSettings,
)

 * @returns JSON representation of the nodes with parent references
 */
export const nodesToJSON = async (
  nodes: ReadonlyArray<SceneNode>,
  settings: PluginSettings,
): Promise<Node[]> => {
  // Reset name counters for each conversion
  nodeNameCounters.clear();
  const exportJsonStart = Date.now();
  // First get the JSON representation of nodes with rotation handling
  const nodeResults = await Promise.all(
    nodes.map(async (node) => {
      // Export node to JSON
      const nodeDoc = (
        (await node.exportAsync({
          format: "JSON_REST_V1",
        })) as any
      ).document;

      let nodeCumulativeRotation = 0;

      // Wire GROUPs into FRAME.
      if (node.type === "GROUP") {
        nodeDoc.type = "FRAME";

        // Fix rotation for children.
        if ("rotation" in nodeDoc && nodeDoc.rotation) {
          nodeCumulativeRotation = -nodeDoc.rotation * (180 / Math.PI);
          nodeDoc.rotation = 0;
        }
      }

      return {
        nodeDoc,
        nodeCumulativeRotation,
      };
    }),
  );

  if (nodes.length > 0) {
    console.log("[debug] initial node summary", {
      id: nodes[0].id,
      type: nodes[0].type,
      name: nodes[0].name,
    });
  }

  console.log(
    `[benchmark][inside nodesToJSON] JSON_REST_V1 export: ${Date.now() - exportJsonStart}ms`,
  );

  // Now process each top-level node pair (JSON node + Figma node)
  const processNodesStart = Date.now();
  const result: Node[] = [];

  for (let i = 0; i < nodes.length; i++) {
    const processedNode = await processNodePair(
      nodeResults[i].nodeDoc,
      nodes[i],
      settings,