discourse-subscriptions/assets/javascripts/discourse/helpers/user-viewing-self.js.es6

import { registerUnbound } from "discourse-common/lib/helpers";

export default registerUnbound("user-viewing-self", function(model) {
  if (Discourse.User.current()) {
    return (
      Discourse.User.current().username.toLowerCase() ===
      model.username.toLowerCase()
    );
  }

  return false;
});