refactor(SampleAssetGenerator): extract _shouldConfigureRouting method

Author: ddaribo

src/generators/SampleAssetsGenerator.ts

@@ -317,7 +317,7 @@ export class SampleAssetsGenerator {
                 }
             });
         }
-        if (appConfig.routesConfig?.router && appConfig.routesConfig?.routesImportPath) {
+        if (this._shouldConfigureRouting(config)) {
             importMap.set('@angular/router', ['provideRouter', 'withComponentInputBinding']);
             importMap.set(`${appConfig.routesConfig.routesImportPath}`, ['routes']);
         }
@@ -355,7 +355,7 @@ export class SampleAssetsGenerator {
                 formatted += `        ${provider}${i < providers.length - 1 ? ',\n' : ''}`;
             });
         }
-        if (config.appConfig.routesConfig?.router && config.appConfig.routesConfig?.routesImportPath) {
+        if (this._shouldConfigureRouting(config)) {
             if (formatted.length > 0) {
                 formatted += ',\n';
             }
@@ -364,6 +364,12 @@ export class SampleAssetsGenerator {
         return formatted;
     }
 
+    private _shouldConfigureRouting(config: Config): boolean {
+        return config.appConfig.routesConfig &&
+            config.appConfig.routesConfig.router &&
+            !!config.appConfig.routesConfig.routesImportPath;
+    }
+
     private _getAppModuleConfig(config: Config, configImports, configAdditionalImports?) {
         let defaultNgDeclarations = ["AppComponent"];
         let defaultNgImports = ["BrowserModule", "BrowserAnimationsModule", "FormsModule"];