import { BrowserModule } from '@angular/platform-browser';
import { NgModule } from '@angular/core';
import { AppComponent } from './app.component';
import { Product1Component } from './product1/product1.component';
import { ProductServiceService } from './shared/product-service.service';
import { Product2Component } from './product2/product2.component';
import { LoggerServiceService } from './shared/logger-service.service';
import { AnotherProductServiceService } from './shared/another-product-service.service';
@NgModule({
declarations: [
AppComponent,
Product1Component,
Product2Component
],
imports: [
BrowserModule
],
providers: [{
provide: ProductServiceService,
useFactory: (logger: LoggerServiceService, config) => {
if (config.dev) {
return new ProductServiceService(logger);
} else {
return new AnotherProductServiceService(logger);
}
},
deps: [LoggerServiceService, 'AppConfig']
}, LoggerServiceService,
{
provide: 'AppConfig',
useValue: { dev: false }
}
],
bootstrap: [AppComponent]
})
export class AppModule { }