SyntaxError: Unexpected token >

Question

I just installed node and tried to write and run some programs. When I tried this example progra, I get an error.

Maybe node and npm were installed incorrectly? Maybe some necessary packages should be install?

const http = require('http');
const net = require('net');
const url = require('url');

// Create an HTTP tunneling proxy
var proxy = http.createServer( (req, res) => {
    res.writeHead(200, {'Content-Type': 'text/plain'});
    res.end('okay');
});

proxy.on('connect', (req, cltSocket, head) => {
    // connect to an origin server
    var srvUrl = url.parse(`http://${req.url}`);
    var srvSocket = net.connect(srvUrl.port, srvUrl.hostname, () => {
        cltSocket.write('HTTP/1.1 200 Connection Established\r\n' + 'Proxy-agent: Node.js-Proxy\r\n' + '\r\n');
        srvSocket.write(head);
        srvSocket.pipe(cltSocket);
        cltSocket.pipe(srvSocket);
    });
});

Why does the below error appear?

var proxy = http.createServer( (req, res) => {
                                       ^
SyntaxError: Unexpected token >
    at Module._compile (module.js:439:25)
    at Object.Module._extensions..js (module.js:474:10)
    at Module.load (module.js:356:32)
    at Function.Module._load (module.js:312:12)
    at Function.Module.runMain (module.js:497:10)
    at startup (node.js:119:16)
    at node.js:902:3 ##

According to the ES6 compatibility tables, arrow functions are supported only on node.js 4.0+ — jcaron
– jcaron, Commented Feb 18, 2016 at 21:38
Thanks jcaron for hint. Upgrading NodeJs to 4.x version solved the problem. — dermaSpa
– dermaSpa, Commented Feb 18, 2016 at 21:52

john elemans · Accepted Answer · 2016-02-18 19:17:49Z

1

Try it like this;

   var requestListener = function (req, res) {
       res.writeHead(200, {'Content-Type': 'text/plain'});
       res.end('okay');
    }

    var proxy = http.createServer(requestListener);

answered Feb 18, 2016 at 19:17

john elemans

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