Does not run server.js

Question

You’re making this mistake after npm run dev (I’ve installed the Mongo and the npm models you need)

npm ERR! Missing script: dev

npm ERR! A complete log of this run can be found in: npm ERR! C: Users Getin-sds Appdata Roaming npm-cache_logs 2018-11-29T19_11_17_439Z-debug.log

Follow the server.js code

const express = require('express')
const app = express()
const bodyParser = require('body-parser')

const ObjectId = require('mongodb').ObjectID
const MongoClient = require('mongodb').MongoClient
const uri = "mongodb://Carlos-Antonio:[email protected]:37735/meubanco"

app.use(bodyParser.urlencoded({ extended: true }))

MongoClient.connect(uri, (err, client) => {
    if (err) return console.log(err)
    db = client.db('meubanco')
    app.listen(3000, () => {
        console.log('Servidor está rodando na porta 3000.')
    })
})

app.set('view engine', 'ejs')

app.route('/')
    .get(function (req, res) {
        const cursor = db.collection('data').find()
        res.render('index.ejs')
    })

    .post((req, res) => {
        db.collection('data').save(req.body, (err, result) => {
            if (err) return console.log(err)

            console.log('Dados gravados com sucesso.')
            res.redirect('/show')
        })
    })

app.route('/show')
    .get((req, res) => {
        db.collection('data').find().toArray((err, results) => {
            if (err) return console.log(err)
            res.render('show.ejs', { data: results })
        })
    })

app.route('/edit/:id')
    .get((req, res) => {
        var id = req.params.id

        db.collection('data').find(ObjectId(id)).toArray((err, result) => {
            if (err) return res.send(err)
            res.render('edit.ejs', { data: result })
        })
    })
    .post((req, res) => {
        var id = req.params.id
        var nome = req.body.nome
        var sobrenome = req.body.sobrenome

        db.collection('data').updateOne({ _id: ObjectId(id) }, {
            $set: {
                nome: nome,
                sobrenome: sobrenome
            }
        }, (err, result) => {
            if (err) return res.send(err)
            res.redirect('/show')
            console.log('Dados atualizados com sucesso.')
        })
    })

app.route('/delete/:id')
    .get((req, res) => {
        var id = req.params.id
        db.collection('data').deleteOne({ _id: ObjectId(id) }, (err, result) => {
            if (err) return res.send(500, err)
            console.log('Dado excluído com sucesso.')
            res.redirect('/show')
        })
    })

this here the file where I put

{
  "name": "projeto",
  "version": "1.0.0",
  "description": "",
  "main": "server.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1",
    "start": "node server.js"
  },
  "author": "",
  "license": "ISC",
  "dependencies": {
    "body-parser": "^1.18.3",
    "ejs": "^2.6.1",
    "express": "^4.16.4",
    "mongodb": "^3.1.10"
  },
  "devDependencies": {
    "nodemon": "^1.18.7"
  }
}

Answer 1

The command npm run is an alias for the command npm run-script <comando> which indicates which property script scripts of package.json will be executed.

In your case you are running with the command dev that is not set in the properties. You can add it or run the command npm run start instead.