Meteor Sample(Leaderboard) in CoffeeScript

leaderboard.coffee

Players = new Meteor.Collection("players")

if Meteor.is_client
	Template.leaderboard.players = () ->
		return Players.find {}, {sort: {score: -1, name: 1}}

	Template.leaderboard.selected_name = () ->
		player = Players.findOne(Session.get("selected_player"));
		return player and player.name

	Template.player.selected = () ->
		return if Session.equals("selected_player", this._id) then "selected" else ''

	Template.leaderboard.events = 
		'click input.inc': () ->
			Players.update(Session.get("selected_player"), {$inc: {score: 5}})

	Template.player.events = 
		'click': () ->
			Session.set("selected_player", this._id)

if Meteor.is_server
	Meteor.startup () ->
		if Players.find().count() is 0
			names = ["test1", "test2", "test3"]
			for name in names
				Players.insert({name: name, score: Math.floor(Math.random()*10)*5})
				return