Vulcan/client/views/comments/comment_form.js

Template.comment_form.rendered = function(){
  if(Meteor.user() && !this.editor){
    this.editor = new EpicEditor(EpicEditorOptions).load();
    $(this.editor.editor).bind('keydown', 'meta+return', function(){
      $(window.editor).closest('form').find('input[type="submit"]').click();
    });
  }
}

Template.comment_form.events = {
  'submit form': function(e, instance){
    e.preventDefault();
    $(e.target).addClass('disabled');
    clearSeenErrors();
    var content = instance.editor.exportFile();

    if(getCurrentRoute()=='comment_reply'){
      // child comment
      var parentCommentId=Session.get('selectedCommentId');
      var postId=Comments.findOne(parentCommentId).post;

      Meteor.call('comment', postId, parentCommentId, content, function(error, commentProperties){
          if(error){
              console.log(error);
              throwError(error.reason);
          }else{
              Session.set('selectedCommentId', null);
              trackEvent("newComment", commentProperties);

              Session.set('scrollToCommentId', commentProperties.commentId);
              Router.go('/posts/'+postId);
          }
      });
    }else{
      // root comment
      var post = this.post;
      var parentCommentId=null;        

      Meteor.call('comment', post._id, parentCommentId, content, function(error, commentProperties){
          if(error){
              console.log(error);
              throwError(error.reason);
          }else{
              trackEvent("newComment", commentProperties);
              Session.set('scrollToCommentId', commentProperties.commentId);
              instance.editor.importFile('editor', '');
          }
      });
    }
  }
};