twitst4tz

twitter statistics web application
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index.js (509B)

      1 
      2 /**
      3  * Module dependencies.
      4  */
      5 
      6 var XHR = require('./polling-xhr');
      7 var JSONP = require('./polling-jsonp');
      8 
      9 /**
     10  * Export transports.
     11  */
     12 
     13 module.exports = exports = {
     14   polling: polling,
     15   websocket: require('./websocket')
     16 };
     17 
     18 /**
     19  * Export upgrades map.
     20  */
     21 
     22 exports.polling.upgradesTo = ['websocket'];
     23 
     24 /**
     25  * Polling polymorphic constructor.
     26  *
     27  * @api private
     28  */
     29 
     30 function polling (req) {
     31   if ('string' === typeof req._query.j) {
     32     return new JSONP(req);
     33   } else {
     34     return new XHR(req);
     35   }
     36 }