express-middleware-names.js

const express = require('express');

const app = express();

const mw1Factory = function () {
    return function mw1 (req, res, next) {
        next();
    }
}

const mws = [
    mw1Factory(),
    function mw2 (req, res, next) {
        next();
    }
]

app.use(mws, function mw3 (req, res, next) {
    next();
});

app.use(function mw4 (req, res, next) {
    next();
});

app.listen(3000);

$ DEBUG=express:* node test.js
=>
express:router dispatching GET / +5s
express:router query : / +1ms
express:router expressInit : / +1ms
express:router mw1 : / +0ms
express:router mw2 : / +1ms
express:router mw3 : / +0ms
express:router mw4 : / +0ms