How to use the multer.memoryStorage function in multer

const repoHandler = require('./app/handlers/repos');
const dockerImages = require('./app/handlers/docker-images');
const serviceHandler = require('./app/handlers/services')
const dockerfilesHandler = require('./app/handlers/dockerfiles')
// const installationHandler = require('./app/handlers/installation.js');
const treeRoutes = require('./app/handlers/tree_routes.js');
const Checker = require('./app/util/AppChecker.js');
const multer = require('multer');
const webSocketHandler = require('./app/util/ws_handler.js');
const localConfig = require('./config/local.config.json');
const healthChecker = require('./app/util/HealthLabState.js');
const errorHandler = require('express-error-handler');

const port = +process.env.PORT || 8080;
// var upload = multer({ dest: "uploads/" });
const storage = multer.memoryStorage();
const upload = multer({ storage });
const server = http.createServer(app);
const AppUtils = require('./app/util/AppUtils.js');
const dockerSocket = require('./app/util/docker_socket');

// const webshellConfigFile =
const log = AppUtils.getLogger();
// Initialize the checker
Checker.init((err) => {
  if (err) {
    console.error(err.message);
    throw err;
  }
});
// If is installed start the healtChecker
Checker.isInstalled((isInstalled) => {

exports.uploadIdentity = async (req, res) => {
  const { accountAddress } = req.body;
  // const ethAddress = 'abcdefaad1daaaa'; //테스트용
  const upload = multer({
    storage: multer.memoryStorage(),
    fileFilter: async (req, file, cb) => {
      // cb(null, FileTypeCheck.uploadFileType(file.mimetype, imageType));
      cb(null, true);
    }
  }).single('identity'); // req.file은 identity 필드의 파일 정보

  /**
   * ipfs에 저장하고 db에 해쉬값을 저장한다.
   * @param file
   * @returns {Promise}
   */
  const saveToIPFS = async file => {
    console.log(file);
    const files = [
      {
        path: 'identity/' + file.originalname, //파일 이름을 유지하기위해 디렉토리 유지

});

  // Create new Express router
  const router = new express.Router({
    caseSensitive: true,
    mergeParams: true
  });

  // Parse application/json requests
  const jsonParser = express.json({
    limit: '10mb'
  });

  // Parse multipart/form-data requests
  const multipartParser = multer({
    storage: multer.memoryStorage()
  });

  // Parse application/x-www-form-urlencoded requests
  const urlencodedParser = express.urlencoded({
    extended: true,
    limit: '10mb'
  });

  // Configure IndieAuth middleware
  const indieauth = new IndieAuth({
    me: config.me
  });

  // Middleware
  router.use(urlencodedParser, jsonParser);

"use strict";

const bodyParser = require('body-parser');
const jsonParser = bodyParser.json();

const security = require('../../utils/security.js');

const multer = require('multer');
const storage = multer.memoryStorage();
const upload = multer({ storage: storage });

const handler = require('../../handlers/api/usersApiHandler.js');


const ApiUserRoutes = function () {
};

ApiUserRoutes.createRoutes = function (self) {

    /**
     * Add a new User as Admin
     */
    self.app.post('/api/user', security.isAuthenticatedAdmin, jsonParser, handler.addUser);

    /**

const fs = require('fs');
const path = require('path');
const sharp = require('sharp');
const multer = require('multer');
const utils = require('utility');
const config = require('../config');
const logger = require('../utils/logger');
const util = require('util');
const storage = multer.memoryStorage()
const upload = multer({ storage: storage })
let uploadSingle = upload.single('file');
let uploadLocal = function(req, res, next) {
    uploadSingle(req, res, function(err) {
        if (err) {
            return next(err);
        }
        const width = req.query.w;
        const height = req.query.h;
        const date = new Date(); //获取到当前的系统时间
        const fileName = utils.md5(utils.YYYYMMDD() + String(req.file.size) + req.file.originalname) + path.extname(req.file.originalname);
        const sharpImg = sharp(req.file.buffer);
        if (width && height) {
            sharpImg.resize(Number(width), Number(height));
            sharpImg.max();
        } else {

var app = express();
var bodyParser = require('body-parser');
var multer = require('multer');
var cors = require('cors');

var BaseController = require('./baseController');
var dataset = require('./dataset');

var toolkit = require('./toolkit');
var assign = toolkit.assign;
var each = toolkit.each;
var pick = toolkit.pick;

app.use(bodyParser.json({type: 'application/*+json'}));
app.use(bodyParser.urlencoded({extended: true}));
app.use(multer({storage: multer.memoryStorage()}).any());
app.use(cors());

function formatRequest(request) {

    return {
        requestBody: request.body,
        queryParams: request.query,
        params: request.params
    };

}

function dataToResponse(data, response) {

    var status = data[0];
    var headers = data[1];

const multer = require('multer');
const storage = multer.memoryStorage();
const upload = multer({ storage: storage });
let uploadSingle = upload.single('file');

module.exports = {
    uploadSingle
};

import bodyParser from 'body-parser';
import { AsyncRouter, AsyncRouterInstance } from 'express-async-router';
import { Driver } from '@dynamico/driver';
import { Storage } from '@dynamico/common-types';
import multer from 'multer';

import * as controller from './controller';

const storage = multer.memoryStorage();
const upload = multer({ storage: storage });

interface Options {
  readOnly?: boolean;
  router?: AsyncRouterInstance;
}

export default (storage: Storage, { readOnly, router = AsyncRouter() }: Options = {}): AsyncRouterInstance => {
  const driver = new Driver(storage);

  router.post('/host/register', bodyParser.json(), controller.registerHost(driver));

  router.get('/:name', controller.get(driver));

  if (!readOnly) {
    router.use(bodyParser.raw());

function prepareMulterUploadHandler(): Express.RequestHandler {
    const inMemory = multer.memoryStorage();
    return multer({
        limits : {
            fileSize : config.MAX_IMAGE_FILESIZE_BYTES,
            files : 1,
        },
        fileFilter : imageTypesFilter,
        storage : inMemory,
    }).single('image');
}

let config = require('config');
let express = require('express');
let router = new express.Router();
let lists = require('../lib/models/lists');
let templates = require('../lib/models/templates');
let campaigns = require('../lib/models/campaigns');
let subscriptions = require('../lib/models/subscriptions');
let tools = require('../lib/tools');
let editorHelpers = require('../lib/editor-helpers.js');
let striptags = require('striptags');
let passport = require('../lib/passport');
let htmlescape = require('escape-html');
let multer = require('multer');
let _ = require('../lib/translate')._;
let util = require('util');
let uploadStorage = multer.memoryStorage();
let uploads = multer({
    storage: uploadStorage
});

router.all('/*', (req, res, next) => {
    if (!req.user) {
        req.flash('danger', _('Need to be logged in to access restricted content'));
        return res.redirect('/account/login?next=' + encodeURIComponent(req.originalUrl));
    }
    res.setSelectedMenu('campaigns');
    next();
});

router.get('/', (req, res) => {
    res.render('campaigns/campaigns', {
        title: _('Campaigns')