npm i -g express-session
+ express-session@1.15.3
updated 1 package in 4.665s
var session=require('express-session');
nodemon test.js
module.js:487
throw err;
^
Error: Cannot find module 'express-session'
at Function.Module._resolveFilename (module.js:485:15)
at Function.Module._load (module.js:437:25)
at Module.require (module.js:513:17)
at require (internal/module.js:11:18)
at Object.<anonymous> (D:\server\apache\htdocs\socket\test.js:3:12)
at Module._compile (module.js:569:30)
at Object.Module._extensions..js (module.js:580:10)
at Module.load (module.js:503:32)
at tryModuleLoad (module.js:466:12)
at Function.Module._load (module.js:458:3)
[nodemon] app crashed - waiting for file changes before starting...