Add license validation on startup for both Rails and Node renderer

Author: AbanoubGhadban

react_on_rails_pro/lib/react_on_rails_pro/engine.rb

@@ -7,5 +7,28 @@ class Engine < Rails::Engine
     initializer "react_on_rails_pro.routes" do
       ActionDispatch::Routing::Mapper.include ReactOnRailsPro::Routes
     end
+
+    # Validate license on Rails startup
+    # This ensures the application fails fast if the license is invalid or missing
+    initializer "react_on_rails_pro.validate_license", before: :load_config_initializers do
+      config.after_initialize do
+        # Skip license validation during asset precompilation
+        next if defined?(Rake) && Rake::Task.task_defined?("assets:precompile")
+
+        # Skip license validation when running RSpec tests
+        # Tests mock the license validation with stub keys
+        next if defined?(RSpec)
+
+        Rails.logger.info "[React on Rails Pro] Validating license..."
+
+        if ReactOnRailsPro::LicenseValidator.valid?
+          Rails.logger.info "[React on Rails Pro] License validation successful"
+        else
+          # License validation will raise an error, so this line won't be reached
+          # But we include it for clarity
+          Rails.logger.error "[React on Rails Pro] License validation failed"
+        end
+      end
+    end
   end
 end

react_on_rails_pro/packages/node-renderer/src/master.ts

@@ -12,22 +12,19 @@ import { isLicenseValid, getLicenseValidationError } from './shared/licenseValid
 const MILLISECONDS_IN_MINUTE = 60000;
 
 export = function masterRun(runningConfig?: Partial<Config>) {
-  // Validate license before starting
+  // Validate license before starting - required in all environments
+  log.info('[React on Rails Pro] Validating license...');
+
   if (!isLicenseValid()) {
     const error = getLicenseValidationError() || 'Invalid license';
-    const isDevelopment = process.env.NODE_ENV === 'development' || process.env.NODE_ENV === 'test';
-
-    if (isDevelopment) {
-      log.warn(`[React on Rails Pro] ${error}`);
-      // Continue in development with warning
-    } else {
-      log.error(`[React on Rails Pro] ${error}`);
-      process.exit(1);
-    }
-  } else {
-    log.info('[React on Rails Pro] License validation successful');
+    log.error(`[React on Rails Pro] ${error}`);
+    // License validation already calls process.exit(1) in handleInvalidLicense
+    // But we add this for safety in case the validator changes
+    process.exit(1);
   }
 
+  log.info('[React on Rails Pro] License validation successful');
+
   // Store config in app state. From now it can be loaded by any module using getConfig():
   const config = buildConfig(runningConfig);
   const { workersCount, allWorkersRestartInterval, delayBetweenIndividualWorkerRestarts } = config;