Simple server to express

app.js

const express = require('express');
const app = express();
const todos = require('./todos.json');


app.get('/', function (req, res) {
	res.send('Home Page');
});


app.get('/todos', (req, res) => {
	if (req.query.completed) {
		return res.json(todos.filter(todo => todo.completed.toString() === req.query.completed));
	}
	res.json(todos);
});


app.get('/todos/:id', (req, res) => {
	let todo = todos.find(todo => {
		return todo.id == req.params.id;
	});
	if (!todo) {
		res.status(404).send('Page not found .... :-( ');
	} else {
		res.json(todo);
	}
});


app.listen(3000, () => {
	console.log('server is starting ...');
});

todos.json

[
  {
    "id": 1,
    "title": "Learn Nodejs",
    "completed": true
  },
  {
    "id": 2,
    "title": "Learn Express",
    "completed": false
  },
  {
    "id": 3,
    "title": "Learn MongoDB",
    "completed": false
  }
]