TypeError: net.Socket is not a constructor

The task: Connect the Postgresql 11 database to the project on React to get data from there.

What I did to connect to the database: Created a new React project:

create-react-app PGTestProject

Then I tried to connect to the database. The actions listed in the “Getting started” section are not enough to get started with the package. For example, it does not indicate how to change the connection parameters to the database. Without this, it is impossible to connect to the created database.

The actions listed in the “Connecting” section are also not enough. The error “net.Socket is not a constructor”

App.js:

import React from 'react';

import logo from './logo.svg';
import './App.css';

async function getDatafromDB(){
    const { Pool, Client } = require('pg')

       const pool = new Pool({
        user: 'postgres',
        host: 'server_ip',
        database: 'mydb',
        password: 'password',
        port: 5432,
    })

    pool.query('SELECT NOW()', (err, res) => {
        console.log(err, res)
        pool.end()
    })

    const pool = new Pool({
        user: 'postgres',
        host: 'server_ip',
        database: 'mydb',
        password: 'password',
        port: 5432,
    })
    client.connect()

    client.query('SELECT NOW()', (err, res) => {
        console.log(err, res)
        client.end()
    })
}

function App() {
    getDatafromDB();
    return (
        <div className="App">
            <header className="App-header">
                <img src={logo} className="App-logo" alt="logo"/>
                <p>
                    Edit <code>src/App.js</code> and save to reload.
                </p>
                <a
                    className="App-link"
                    href="https://reactjs.org"
                    target="_blank"
                    rel="noopener noreferrer"
                >
                    Learn React
                </a>
            </header>
        </div>
    );
}

export default App;

An error occurs in the browser console: TypeError: net.Socket is not a constructor

[charmander]

You can’t run pg in the browser. It runs in Node.

[charmander]

@micimize Cloudflare workers don’t run in the browser, as far as I know.