danielpowell4/user_meta_tag.rb

## user_meta_tag.rb
# securely set current_user (likely in ApplicationController.rb or similar extended concern)
class ApplicationController < ActionController::Base
  protect_from_forgery
  helper_method :logged_in?, :current_user

  def current_user
    user = User.find_by(auth_token: cookies[:auth_token]) if cookies[:auth_token] # or from something like a user_id in session
    user ? user.person : NullUser.new
  end

  protected
  def logged_in?
    current_user.present?
  end
end

# app/helpers/application_helper.rb
module ApplicationHelper
  def user_meta_tag
    tag.meta name: 'user-context', data: {
      id: current_user.id,
      email: current_user.email,
      name: current_user.name,
      role_names: current_user.role_names
    }
  end
end

# app/views/layouts/application.html.erb
!DOCTYPE html>
<html lang="en-us">
  <head>
    ...
    <%= user_meta_tag %>
    <%= csrf_meta_tag %>
    ...
  </head>
  <body>
  ...
  </body>
</html>

# app/javascript/lib/User.js
export default {
  getContext() {
    const context = document.querySelector('meta[name="user-context"]');
    if (context && context instanceof window.HTMLMetaElement) {
      return context.dataset;
    }
    return null;
  },
};

# app/javascript/packs/application.js
const revision = process.env.GIT_COMMIT;

import Honeybadger from "honeybadger-js";
import User from "../lib/User";

Honeybadger.configure({
  apiKey: process.env.HONEYBADGER_JS_API_KEY,
  environment: process.env.NODE_ENV,
  assetsUrl: process.env.WEBPACKER_ASSETS_URL,
  silent: false,
  ignoreErrors: false,
  revision: revision,
});

const userContext = User.getContext();
if (userContext) {
  Honeybadger.setContext({
    user_id: userContext.id,
    user_name: userContext.name,
    user_email: userContext.email,
    user_role_names: userContext.roleNames,
  });
}
	# securely set current_user (likely in ApplicationController.rb or similar extended concern)
	class ApplicationController < ActionController::Base
	protect_from_forgery
	helper_method :logged_in?, :current_user

	def current_user
	user = User.find_by(auth_token: cookies[:auth_token]) if cookies[:auth_token] # or from something like a user_id in session
	user ? user.person : NullUser.new
	end

	protected
	def logged_in?
	current_user.present?
	end
	end

	# app/helpers/application_helper.rb
	module ApplicationHelper
	def user_meta_tag
	tag.meta name: 'user-context', data: {
	id: current_user.id,
	email: current_user.email,
	name: current_user.name,
	role_names: current_user.role_names
	}
	end
	end

	# app/views/layouts/application.html.erb
	!DOCTYPE html>
	<html lang="en-us">
	<head>
	...
	<%= user_meta_tag %>
	<%= csrf_meta_tag %>
	...
	</head>
	<body>
	...
	</body>
	</html>

	# app/javascript/lib/User.js
	export default {
	getContext() {
	const context = document.querySelector('meta[name="user-context"]');
	if (context && context instanceof window.HTMLMetaElement) {
	return context.dataset;
	}
	return null;
	},
	};

	# app/javascript/packs/application.js
	const revision = process.env.GIT_COMMIT;

	import Honeybadger from "honeybadger-js";
	import User from "../lib/User";

	Honeybadger.configure({
	apiKey: process.env.HONEYBADGER_JS_API_KEY,
	environment: process.env.NODE_ENV,
	assetsUrl: process.env.WEBPACKER_ASSETS_URL,
	silent: false,
	ignoreErrors: false,
	revision: revision,
	});

	const userContext = User.getContext();
	if (userContext) {
	Honeybadger.setContext({
	user_id: userContext.id,
	user_name: userContext.name,
	user_email: userContext.email,
	user_role_names: userContext.roleNames,
	});
	}