'use strict'

const { exec } = require ('child_process')

try {
	const express = require ('express')
	const ejs = require ('ejs')
	var app = express ()
		app.listen (8080)
} catch (e) {
	if (/^Cannot find module \'([a-z]{0,20})\'$/i.exec (e.message)) {
		let name = /^Cannot find module \'([a-z]{0,20})\'$/i.exec (e.message)[1]
		console.log (`install {${name}} module`)
		exec (`npm i ${name} --save`)
	}
}