node: Gets the list of files in a directory and serves it in JSON.

listDir.js

var http = require('http');
var fs = require('fs');

var originalsPath = 'pics/originals';
var originalFiles = {};

fs.readdir('pics/originals',function(err, files){
	originalFiles = files;
})

http.createServer(function (request, response) {
    response.writeHead(200, {
        'Content-Type': 'application/json',
        'Access-Control-Allow-Origin' : '*'
    });
    response.end(JSON.stringify({
    	"originals" : {
    		"basePath" : originalsPath,
    		"fileList" : originalFiles
    	}
    }, null, 2));
}).listen(1337);