refactor: remove global for inertia ssr head

Author: ElMassimo

lib/inertia_rails/controller.rb

@@ -1,5 +1,4 @@
 require_relative "inertia_rails"
-require_relative "helper"
 
 module InertiaRails
   module Controller
@@ -10,7 +9,6 @@ module Controller
         # :inertia_errors are deleted from the session by the middleware
         InertiaRails.share(errors: session[:inertia_errors]) if session[:inertia_errors].present?
       end
-      helper ::InertiaRails::Helper
 
       after_action do
         cookies['XSRF-TOKEN'] = form_authenticity_token if protect_against_forgery?

lib/inertia_rails/helper.rb

@@ -6,7 +6,6 @@
 module InertiaRails
   thread_mattr_accessor :threadsafe_shared_plain_data
   thread_mattr_accessor :threadsafe_shared_blocks
-  thread_mattr_accessor :threadsafe_html_headers
 
   CONFIGURATION = Configuration.default
 
@@ -24,10 +23,6 @@ def self.shared_data(controller)
       merge!(evaluated_blocks(controller, shared_blocks))
   end
 
-  def self.html_headers
-    self.threadsafe_html_headers || []
-  end
-
   # "Setters"
   def self.share(**args)
     self.shared_plain_data = self.shared_plain_data.merge(args)
@@ -37,14 +32,9 @@ def self.share_block(block)
     self.shared_blocks = self.shared_blocks + [block]
   end
 
-  def self.html_headers=(headers)
-    self.threadsafe_html_headers = headers
-  end
-
   def self.reset!
     self.shared_plain_data = {}
     self.shared_blocks = []
-    self.html_headers = []
   end
 
   def self.lazy(value = nil, &block)

lib/inertia_rails/inertia_rails.rb

@@ -34,9 +34,9 @@ def render
     def render_ssr
       uri = URI("#{configuration.ssr_url}/render")
       res = JSON.parse(Net::HTTP.post(uri, page.to_json, 'Content-Type' => 'application/json').body)
-      
-      ::InertiaRails.html_headers = res['head']
-      @render_method.call html: res['body'].html_safe, layout: layout, locals: (view_data).merge({page: page})
+
+      locals = view_data.merge(page: page, inertia_ssr_head: res['head'].join.html_safe)
+      @render_method.call html: res['body'].html_safe, layout: layout, locals: locals
     end
 
     def layout

lib/inertia_rails/renderer.rb

@@ -1,3 +1,3 @@
-<%= inertia_headers %>
+<%= local_assigns[:inertia_ssr_head] %>
 <%= yield %>
-<%= local_assigns.except(:page).to_json.html_safe %>
+<%= local_assigns.except(:page, :inertia_ssr_head).to_json.html_safe %>