browser/src/app/layout/search/search.component.ts

import { Component } from "@angular/core";
import { FormControl } from "@angular/forms";

import { SearchBarService, SearchBarState } from "./search-bar.service";

@Component({
  selector: "app-search",
  templateUrl: "search.component.html",
})
export class SearchComponent {
  state: SearchBarState;
  searchText: FormControl = new FormControl(null);

  constructor(private searchBarService: SearchBarService) {
    this.searchBarService.state.subscribe((state) => {
      this.state = state;
    });

    this.searchText.valueChanges.subscribe((value) => {
      this.searchBarService.setSearchText(value);
    });
  }
}