Setup importmap (#66)

app/assets/config/spree_frontend_manifest.js

@@ -1,3 +1,5 @@
+//= link_directory ../../javascript/spree/frontend .js
+
 //= link_tree ../images
 //
 //= link spree/frontend/all.js

app/javascript/spree/frontend/application.js

@@ -0,0 +1,2 @@
+// Configure your import map in config/importmap.rb. Read more: https://github.com/rails/importmap-rails
+import "@hotwired/turbo-rails"

app/views/spree/shared/_head.html.erb

@@ -8,7 +8,7 @@
 <%= stylesheet_link_tag 'spree/frontend/all', media: 'screen', data: { turbo_track: 'reload' } %>
 <%= csrf_meta_tags %>
 
-<%= javascript_importmap_tags %>
+<%= javascript_importmap_tags('application-spree-frontend') %>
 <%= render 'spree/shared/paths' %>
 <%= render 'spree/shared/locale_and_currency' %>
 <%= javascript_include_tag 'spree/frontend/all', defer: true, data: { turbo_track: 'reload' } %>

config/importmap.rb

@@ -0,0 +1,2 @@
+pin "application-spree-frontend", to: "spree/frontend/application.js", preload: true
+pin "@hotwired/turbo-rails", to: "turbo.min.js", preload: true

lib/spree/frontend/engine.rb

@@ -9,11 +9,15 @@ class Engine < ::Rails::Engine
       config.action_view.sanitized_allowed_tags = %w(a b del em i ins mark p small strong sub sup)
       config.action_view.sanitized_allowed_attributes = %w(href)
 
-      # sets the manifests / assets to be precompiled, even when initialize_on_precompile is false
-      initializer 'spree.assets.precompile', group: :all do |app|
-        app.config.assets.precompile += %w[
-          spree/frontend/all*
-        ]
+      initializer "spree.frontend.assets" do |app|
+        app.config.assets.paths << root.join("app/javascript")
+        app.config.assets.precompile += %w[ spree_frontend_manifest ]
+      end
+
+      initializer 'spree.frontend.importmap', before: 'importmap' do |app|
+        app.config.importmap.paths << root.join('config/importmap.rb')
+        # https://github.com/rails/importmap-rails?tab=readme-ov-file#sweeping-the-cache-in-development-and-test
+        app.config.importmap.cache_sweepers << root.join('app/javascript')
       end
 
       initializer 'spree.frontend.environment', before: :load_config_initializers do |_app|

spree_frontend.gemspec

@@ -5,7 +5,7 @@ Gem::Specification.new do |s|
   s.platform    = Gem::Platform::RUBY
   s.name        = 'spree_frontend'
   s.version     = Spree::Frontend.version
-  s.authors     = ['Sean Schofield', 'Spark Solutions', 'Vendo Inc.']
+  s.authors     = ['Sean Schofield', 'Spark Solutions', 'Vendo Connect Inc.']
   s.email       = 'hello@spreecommerce.org'
   s.summary     = 'The default Storefront built with Rails and Turbo/Hotwire for Spree eCommerce platform'
   s.description = s.summary