server.js

const express = require('express');
const nedb = require('nedb');
const bodyParser = require('body-parser');
const db = new nedb({ filename: './database.db', autoload: true });

const app = express();

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

app.get('/books', (req, res) => {

    db.find({}, (err, books) => {

        res.json(books);

    });

});

app.post('/books', (req, res) => {

    db.insert({
        name: req.body.name,
        author: req.body.author
    }, (err, doc) => {

        res.json(doc);

    });

});

app.delete('/books/:id', (req, res) => {

    db.remove({
        _id: req.params.id
    }, (err) => {

        res.json({
            success: true
        });

    });

});

app.listen(3000, () => {

    console.log('Servidor executando com sucesso na porta 3000.');

});