An HTTP server that accepts a POST request, then returns the contents of the POST request uppercased

HttpUppercaser.js

var http = require('http');
var map = require('through2-map');
var port = process.argv[2];

var server = http.createServer(function (request, response) {
    if (request.method = 'POST') {
        request.pipe(map(function (chunk) {
            return chunk.toString().toUpperCase();
        })).pipe(response);
    }
});

server.listen(port);