The project can be any type of default, app, module or api, which created by es-npm.
npm i --save @eslang/express
const express (import "express");
# to create a plain ExpressJS app.
var app (express app);
# to create an ExpressJS app which supports Espresso data in request body.
var api (express api);
# to create an ExpressJS app which supports Espresso data in request body and
# allow requests from any origin when called in web browsers.
var service (express service);Or just check how it's used in Espresso's api project template.
Enjoy the Espresso.