start-os/frontend/projects/ui/src/app/app.component.ts

import { Component, OnDestroy } from '@angular/core'
import { merge } from 'rxjs'
import { AuthService } from './services/auth.service'
import { SplitPaneTracker } from './services/split-pane.service'
import { PatchDataService } from './services/patch-data.service'
import { PatchMonitorService } from './services/patch-monitor.service'
import { ConnectionService } from './services/connection.service'

@Component({
  selector: 'app-root',
  templateUrl: 'app.component.html',
  styleUrls: ['app.component.scss'],
})
export class AppComponent implements OnDestroy {
  readonly subscription = merge(this.patchData, this.patchMonitor).subscribe()
  readonly sidebarOpen$ = this.splitPane.sidebarOpen$

  constructor(
    private readonly patchData: PatchDataService,
    private readonly patchMonitor: PatchMonitorService,
    private readonly splitPane: SplitPaneTracker,
    readonly authService: AuthService,
    readonly connection: ConnectionService,
  ) {}

  splitPaneVisible({ detail }: any) {
    this.splitPane.sidebarOpen$.next(detail.visible)
  }

  ngOnDestroy() {
    this.subscription.unsubscribe()
  }
}