Contenido de app.module.ts

import { NgModule } from  [@ [@'@angular](https://ed.team/u/'@angular)](https://ed.team/u/'@angular)/core';
import { BrowserModule } from '@angular/platform-browser';

import { AppRoutingModule } from './app-routing.module';
import { AppComponent } from './app.component';
import { CardComponent } from './card/card.component';
import { CardDetailComponent } from './card/card-detail/card-detail.component';
import { CalculatorModule } from './calculator/calculator.module';
[@
@NgModule](https://ed.team/u/
@NgModule)({
 declarations: [
   AppComponent,
   CardComponent,
   CardDetailComponent,
 ],
 imports: [

   BrowserModule,
   AppRoutingModule,
   CalculatorModule
 ],
 
 providers: [],
 bootstrap: [AppComponent]
})
export class AppModule { }

Sale un desmadre en la consola:

D:\Software\web\Angular\my-first-app(master)
λ ng s -o
Application bundle generation failed. [1.072 seconds]

X [ERROR] NG8001: 'app-calculator' is not a known element:
1. If 'app-calculator' is an Angular component, then verify that it is part of this module.
2. If 'app-calculator' is a Web Component then add 'CUSTOM_ELEMENTS_SCHEMA' to the  [@'@NgModule.schemas](https://ed.team/u/'@NgModule.schemas)' of this component to suppress this message. [plugin angular-compiler]

   src/app/app.component.html:15:0:
     15 │ <app-calculator [title] = "message" (emitter)="getSumNumberResult(...
        ╵ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

 Error occurs in the template of component AppComponent.

   src/app/app.component.ts:5:15:
     5 │   templateUrl: './app.component.html',
       ╵                ~~~~~~~~~~~~~~~~~~~~~~


X [ERROR] NG5: Argument of type 'Event' is not assignable to parameter of type 'number'. [plugin angular-compiler]

   src/app/app.component.html:15:66:
     15 │ ..."message" (emitter)="getSumNumberResult($event)"></app-calculator>
        ╵                                            ~~~~~~

 Error occurs in the template of component AppComponent.

   src/app/app.component.ts:5:15:
     5 │   templateUrl: './app.component.html',
       ╵                ~~~~~~~~~~~~~~~~~~~~~~


X [ERROR] NG8002: Can't bind to 'ngModel' since it isn't a known property of 'input'. [plugin angular-compiler]

   src/app/card/card.component.html:3:19:
     3 │ <input type="text" [(ngModel)]="cardData.title"
       ╵                    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~

 Error occurs in the template of component CardComponent.

   src/app/card/card.component.ts:5:15:
     5 │   templateUrl: './card.component.html',
       ╵                ~~~~~~~~~~~~~~~~~~~~~~~


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