meteor__microscope/client/templates/posts/post_submit.js

/**
 * @file
 *
 *
 * User: marand
 * Date: 31/08/15
 * Time: 20:47
 */

Template.postSubmit.events({
  'submit form': function (e) {
    e.preventDefault();

    var post = {
      url: $(e.target).find('[name=url]').val(),
      title: $(e.target).find('[name=title]').val()
    };

    Meteor.call('postInsert', post, function (error, result) {
      // Display the error to the user and abort.
      if (error) {
        return alert(error);
      }
      if (result.postExists) {
        alert("This link has already been posted");
      }

      Router.go('postPage', { _id: result._id });
    });
  }
});