How do you call a Meteor template helper from the console or other JS code?

Question

I've defined a template helper in Meteor, say

Template.postsList.helpers({
  filteredPosts: function getPosts() {
    return Posts.find(...);
  }
});

How can I debug that template helper from the console, and how can I reuse it from other code in the app?

Answer 1

1. Wanting to call the helper from elsewhere in the app suggests that you should factor it out in a function.

2. To quickly debug the helper, evaluate this in the client console:

   Template.postsList.__helpers.get('filteredPosts')(...parameters);
   

3. There is a package that might help with debugging templates and template helpers: prasad19sara:client-debugger.