matrix-dimension/web/app/app.component.ts

import { Component } from "@angular/core";
import "../style/app.scss";

@Component({
    selector: "my-app", // <my-app></my-app>
    templateUrl: "./app.component.html",
    styleUrls: ["./app.component.scss"],
})
export class AppComponent {

    constructor() {
        console.log("Dimension AppComponent constructed");
    }
}