todos.js

index.js

const express = require('express');
const cors = require('cors');
const bodyParser = require('body-parser');

const app = express();

app.use(cors());
app.use(bodyParser.json());

const todos = [];

app.get('/todos', (req, res) => {
    res.json(todos);
});

app.post('/todos', (req, res) => {
    todos.push(req.body);
    res.status(201).end();
});

app.delete('/todos/:id', (req, res) => {
    console.log(req.params.id)
    todos.splice(req.params.id, 1);
    res.status(204).end();
});

app.put('/todos/:id', (req, res) => {
    todos[req.params.id] = req.body;
    res.status(204).end();
});

const port = process.argv[2];
app.listen(port, () => {
    console.log(`Started server on port ${port}`);
});