Hono Sample Upload using Middleware

router.js

import { Hono } from "hono";
import { indexUser, storeUser } from "../handler/UserHandler";
import uploadFile from "../lib/uploadFile";

const userRouter = new Hono();

userRouter.get("/", indexUser);
userRouter.use(uploadFile).post("/", storeUser);

export default userRouter;

uploadFile.js

import path from "path";
import { createWriteStream } from "fs";
import { fileTypeFromBuffer } from "file-type";

const uploadFile = async (c, next) => {
  const { image } = await c.req.parseBody();
  const file = await image.arrayBuffer();

  const buffer = Buffer.from(file);
  const fileType = await fileTypeFromBuffer(buffer);
  if (fileType.ext) {
    const outputFileName = path.join(
      "./public",
      `${image.name}.${fileType.ext}`
    );
    createWriteStream(outputFileName).write(buffer);
    // c.set("message", "Hono is cool!!");

    c.set("file", outputFileName);
    await next();
  } else {
    await next();
  }
};

export default uploadFile;

UseHandler.js

import upload from "../lib/upload";

// const UPLOADS_DIR = "./public";
// const indexUser = async (c) => {
//   return c.json({ message: "User Index" });
// };

const storeUser = async (c) => {
  const body = await c.req.parseBody();

  console.log(c.get("file"));

  
  return c.json({ message: "User Store" });
};

export { indexUser, storeUser };