A script to calculate a leaderboard for Node Knockout 2013.

leaderboard.js

var async = require("async"),
    request = require("request"),
    _ = require("lodash"),
    cheerio = require("cheerio");

var get = function(url, callback) {
  request(url, function(error, response, body) {
    if (error) {
      console.error(error);
      return;
    }
    callback(cheerio.load(body))
  })
};

get("http://nodeknockout.com/entries", function($) {
  var times = Math.ceil(parseInt($(".count").html().replace(/[^\d]/g, ""), 10) / 30);
  async.times(times, function(i, next) {
    get("http://nodeknockout.com/entries?page=" + (i + 1), function($) {  
      async.map($(".teams h2 a").toArray(), function(elem, next) {
        var slug = $(elem).attr("href").split(/\//)[2],
            team = { name: $(elem).html() }

        get("http://nodeknockout.com/iframe/" + slug, function($) {
          team.votes = parseInt($("#count").html(), 10);
          next(null, team);
        });
      }, next);
    }); 
  }, function(error, teams) {
    _(teams).flatten().sortBy(function(team) {
      return team.votes;
    }).reverse().value().forEach(function(team) {
      console.log(team.votes, team.name);
    });
  });
});