DemocratieLAB Welcome Screen Updates reactively

welcome

Classes = new Mongo.Collection(‘classes’);

Classes.insert({
  location: "Aa en Hunze",
  schoolType: "Basisonderwijs",
  route: "42",
  active: true
});

<button data-action=continue
    class="fade {{#if activeClass}}visible{{/if}}">ga verder
</button>

Template.player_welcome.helpers({
  activeClass : function() {
    // this is where the magic happens: whenever the result of this 'livequery' changes, 
    // the surrounding helper function is re-run automatically
    return Classes.findOne({ active:true }); 
  }
});