"use server"; import fs from "fs"; import path from "path"; import { promisify } from "util"; const writeFile = promisify(fs.writeFile); export async function saveData(formData: FormData) { const file = formData.get("file") as File; const fileBuffer = await file.arrayBuffer(); const filePath = path.join(`/tmp/${file.name}`); await writeFile(filePath, Buffer.from(fileBuffer)); const payload = { email: formData.get("email"), }; console.log("payload", payload); return payload; }