Support files in subdirectories correctly

lib/wicked_pdf/wicked_pdf_helper/assets.rb

@@ -216,7 +216,13 @@ def get_asset_path_from_manifest(path)
         assets = Rails.application.assets_manifest.assets
 
         if File.extname(path).empty?
-          assets.find { |asset, _v| File.basename(asset, File.extname(asset)) == path }&.last
+          assets.find do |asset, _v|
+            directory = File.dirname(asset)
+            asset_path = File.basename(asset, File.extname(asset))
+            asset_path = File.join(directory, asset_path) if directory != '.'
+
+            asset_path == path
+          end&.last
         else
           assets[path]
         end

test/fixtures/subdirectory/nested.js

@@ -0,0 +1 @@
+// Nested js

test/functional/wicked_pdf_helper_assets_test.rb

@@ -26,6 +26,10 @@ class WickedPdfHelperAssetsTest < ActionView::TestCase
       assert_match %r{data:application\/javascript;base64,.+}, wicked_pdf_asset_base64('wicked')
     end
 
+    test 'wicked_pdf_asset_base64 works with nested files and without file extension when using sprockets' do
+      assert_match %r{data:application\/javascript;base64,.+}, wicked_pdf_asset_base64('subdirectory/nested')
+    end
+
     test 'wicked_pdf_asset_base64 works without file extension when using asset manifest' do
       stub_manifest = OpenStruct.new(
         :dir => Rails.root.join('app/assets'),
@@ -37,6 +41,17 @@ class WickedPdfHelperAssetsTest < ActionView::TestCase
       assert_match %r{data:text\/css;base64,.+}, wicked_pdf_asset_base64('wicked')
     end
 
+    test 'wicked_pdf_asset_base64 works with nested files and without file extension when using asset manifest' do
+      stub_manifest = OpenStruct.new(
+        :dir => Rails.root.join('app/assets'),
+        :assets => { 'subdirectory/nested.js' => 'javascripts/subdirectory/nested.js' }
+      )
+      Rails.application.stubs(:assets).returns(nil)
+      Rails.application.stubs(:assets_manifest).returns(stub_manifest)
+
+      assert_match %r{data:text\/javascript;base64,.+}, wicked_pdf_asset_base64('subdirectory/nested')
+    end
+
     test 'wicked_pdf_stylesheet_link_tag should inline the stylesheets passed in' do
       Rails.configuration.assets.expects(:compile => true)
       assert_equal "<style type='text/css'>/* Wicked styles */\n\n</style>",

test/test_helper.rb

@@ -27,6 +27,11 @@
   source = File.read('test/fixtures/wicked.js')
   File.open(destination, 'w') { |f| f.write(source) }
 
+  Dir.mkdir(js_dir.join('subdirectory')) unless File.directory?(js_dir.join('subdirectory'))
+  destination = js_dir.join('subdirectory/nested.js')
+  source = File.read('test/fixtures/subdirectory/nested.js')
+  File.open(destination, 'w') { |f| f.write(source) }
+
   config_dir = assets_dir.join('config')
   Dir.mkdir(config_dir) unless File.directory?(config_dir)
   source = File.read('test/fixtures/manifest.js')