fix: prevent clean from deleting assets referenced in the manifests

Author: ElMassimo

test/commands_test.rb

@@ -37,31 +37,49 @@ def test_build_returns_failure_status_when_stale
 
   def test_clean
     with_rails_env('test') { |config|
-      manifest = config.build_output_dir.join('manifest.json')
+      manifest = config.build_output_dir.join('.vite/manifest.json')
+      js_file = config.build_output_dir.join('assets/application.js')
 
       # Should not clean, the manifest does not exist.
-      config.build_output_dir.mkdir unless config.build_output_dir.exist?
+      ensure_output_dirs(config)
       refute clean
 
       # Should not clean, the file is recent.
       manifest.write('{}')
+      js_file.write('export {}')
       assert clean_from_task(OpenStruct.new)
       assert_path_exists manifest
+      assert_path_exists js_file
+
+      # Should not clean if directly referenced.
+      manifest.write('{ "application.js": { "file": "assets/application.js" } }')
+      assert clean(keep_up_to: 0, age_in_seconds: 0)
+      assert_path_exists js_file
 
       # Should clean if we remove age restrictions.
+      manifest.write('{}')
       assert clean(keep_up_to: 0, age_in_seconds: 0)
       assert_path_exists config.build_output_dir
-      refute_path_exists manifest
+      refute_path_exists js_file
     }
   end
 
   def test_clobber
     with_rails_env('test') { |config|
-      config.build_output_dir.mkdir unless config.build_output_dir.exist?
-      config.build_output_dir.join('manifest.json').write('{}')
+      ensure_output_dirs(config)
+      config.build_output_dir.join('.vite/manifest.json').write('{}')
       assert_path_exists config.build_output_dir
       clobber
       refute_path_exists config.build_output_dir
     }
   end
+
+private
+
+  def ensure_output_dirs(config)
+    config.build_output_dir.rmtree rescue nil
+    config.build_output_dir.mkdir unless config.build_output_dir.exist?
+    config.build_output_dir.join('.vite').mkdir unless config.build_output_dir.join('.vite').exist?
+    config.build_output_dir.join('assets').mkdir unless config.build_output_dir.join('assets').exist?
+  end
 end

test/engine_rake_tasks_test.rb

@@ -30,7 +30,7 @@ def test_rake_tasks
 
     within_mounted_app { `bundle exec rake app:vite:build` }
     assert_path_exists app_public_dir
-    assert_path_exists app_public_dir.join('manifest.json')
+    assert_path_exists app_public_dir.join('.vite/manifest.json')
     assert_path_exists app_public_dir.join('assets')
     refute_path_exists app_ssr_dir
 
@@ -39,14 +39,14 @@ def test_rake_tasks
 
     within_mounted_app { `bundle exec rake app:vite:build_all` }
     assert_path_exists app_ssr_dir.join('ssr.mjs')
-    refute_path_exists app_ssr_dir.join('manifest.json')
-    refute_path_exists app_ssr_dir.join('manifest-assets.json')
+    refute_path_exists app_ssr_dir.join('.vite/manifest.json')
+    refute_path_exists app_ssr_dir.join('.vite/manifest-assets.json')
 
     within_mounted_app { `bundle exec rake app:vite:clean` }
-    assert_path_exists app_public_dir.join('manifest.json') # Still fresh
+    refute Dir.empty?(app_public_dir.join('assets')) # Still fresh
 
     within_mounted_app { `bundle exec rake app:vite:clean[0,0]` }
-    refute_path_exists app_public_dir.join('manifest.json')
+    refute Dir.empty?(app_public_dir.join('assets')) # Still referenced in manifest
 
     within_mounted_app { `bundle exec rake app:vite:clobber` }
     refute_path_exists app_public_dir
@@ -61,7 +61,7 @@ def test_cli
 
     within_mounted_app_root { `bin/vite build --mode development` }
     assert_path_exists app_public_dir
-    assert_path_exists app_public_dir.join('manifest.json')
+    assert_path_exists app_public_dir.join('.vite/manifest.json')
     assert_path_exists app_public_dir.join('assets')
 
     within_mounted_app_root { assert_includes `bin/vite version`, ViteRails::VERSION }

test/mounted_app/test/dummy/package.json

@@ -4,7 +4,7 @@
   "devDependencies": {
     "ci": "^2.0.0",
     "ni": "^0.0.2",
-    "vite": "^4.3.0",
-    "vite-plugin-ruby": "^3.2.0"
+    "vite": "^5.0.0",
+    "vite-plugin-ruby": "^5.0.0"
   }
 }