Publishing Counts

counts_collection.js

if (Meteor.isClient) {
  NovaCounts = new Mongo.Collection("novacounts");
}

if (Meteor.isServer) {
  NovaCounts = {
    subscription: {},
    counts: [],
    push(listId, count, sessionId) {
      this.subscription.added("novacounts", listId, {count: count});
      if (!this.counts[sessionId]) {
        this.counts[sessionId] = {};
      }
      this.counts[sessionId][listId] = count; 
    }
  };
}

counts_publication.js

Meteor.publish('counts', function() {
  const self = this;
  NovaCounts.subscription = self;
  self.ready();
});

posts_publication.js

Meteor.publish('posts.list', function (selector, options) {

  const posts = Posts.find(selector, options);

  NovaCounts.push(terms.listId, posts.count(), this._session.id);

  return posts;
  
});