iskenxan

let Hedgehog = (function () {
    const speed = Symbol();
    class Hedgehog {
        constructor(name) {
            this.name = name;
            this[speed] = 1000; // this is not directly accessible
        }
 
        zoom() {
            console.log(`${this.name} zooms with the speed of ${this[speed]} miles per second!`);

iskenxan

const { Client } = require('pg');
 
const client = new Client({
  user: 'dbuser',
  host: 'database.server.com',
  database: 'mydb',
  password: 'secretpassword',
  port: 3211,
})
client.connect();

iskenxan

const client = require('./db');
 
exports.listSuggestions = (username, callback) => {
  client.query(`select * from suggestions where username = '${username}'`, (err, res) => {
    //...
  });
}
 
 
exports.newSuggestion = (username, callback) => {

iskenxan

const express = require('express');
const bodyParser = require('body-parser');
const {
  newSuggestion,
  listSuggestions,
} = require('./movies');
 
const app = express()
app.use(bodyParser.json())
 

iskenxan

const express = require('express');
const bodyParser = require('body-parser');
const {
  newSuggestion,
  listSuggestions,
} = require('./movies');
 
const app = express()
app.use(bodyParser.json())
 

iskenxan

const { Client } = require('pg');
 
 
module.exports = (settings) => {
  const client = new Client(settings)
  client.connect();
 
  return client;
}

iskenxan

module.exports = (db) => {
  const movieSuggestion = {};
  movieSuggestion.listSuggestions = (username, callback) => {
    db.query(`select * from suggestions where username = '${username}'`, (err, res) => {
      //...
    });
  }
 
 
  movieSuggestion.newSuggestion = (username, callback) => {

iskenxan

const express = require('express');
const bodyParser = require('body-parser');
const dbFactory = require('./db');
const movieFactory = require('./movies');
 
const app = express()
app.use(bodyParser.json())
 
 
const dbSettings = {

iskenxan

const suggestion = new MovieSuggestion(db);

iskenxan

const suggestion = new MovieSuggestion();
suggestion.db = db;