A basic child/dumb component with a form

child.component.ts

import { Component, Input } from '@angular/core';
import { FormGroup } from '@angular/forms';

@Component({
    selector: 'app-child',
    template: `
        <h1>Enter your name</h1>
        <form
              [formGroup]="nameForm"
              (ngSubmit)="submitForm(nameForm)"
        >
            <input
                   type="text"
                   formControlName="firstName"
                   placeholder="first"
            >
            <input
                   type="text"
                   formControlName="lastName"
                   placeholder="last"
            >
            <button type="submit">launch to space</button>
        </form>
    `,
    styleUrls: ['./child.component.css']
})
export class ChildComponent {
    @Input() nameForm: FormGroup;
    
    submitForm(form: FormGroup) {
        console.log(form);
        // really you would be using an event emitter
    }
}