stringify-array-transform.js Trivial Transform wrapping JSON.stringify for Array output. Outputs nothing for an empty Array. var StringifyArrayTransform = require('stringify-array-transform');require('http').createServer(function(request, response) { response.statusCode = 404; // ... .once('data', function() { response.statusCode = 200; response.setHeader('Content-Type', 'application/json'); }) .pipe(new StringifyArrayTransform()) .pipe(response);});