How SAP Spartacus default routing configuration works

The name of the default configuration file ：default-routing-config.ts

Check where you spent defaultRoutingConfig：

provudeDefaultConfig It's a helper function ：

This RoutingModule.forRoot When will the method be called ？

In these two places ：base-storefront.module.ts and storefront-foundation.module.ts:

Be careful forRoot Method returns the type of the parameter ：ModuleWithProviders:

because import these module Consumption module,imports The type of area is any[] | Type<any> | ModuleWithProviders<{}>)[]

About ValueProvider Description of each parameter ：

• provide： Inject token . Usually Type or InjectionToken Example , But it can also be any example .

• multi： If true, Then the injector returns the instance array . This is useful for allowing multiple providers to spread across multiple files to provide configuration information to public tokens .

An example ：

const locale = new InjectionToken<string[]>('locale');const injector = Injector.create({  providers: [    {provide: locale, multi: true, useValue: 'en'},    {provide: locale, multi: true, useValue: 'sk'},  ]});const locales: string[] = injector.get(locale);expect(locales).toEqual(['en', 'sk']);

ModuleWithProviders： Yes NgModule And related providers Packaging .