Correctly unsubscribe on menu destroy

client/src/app/+videos/+video-watch/shared/recommendations/recommended-videos.component.ts

@@ -58,7 +58,6 @@ export class RecommendedVideosComponent implements OnInit, OnChanges, OnDestroy
       .subscribe(user => {
         this.user = user
         this.autoPlayNextVideo = user.autoPlayNextVideo
-        console.log(this.autoPlayNextVideo)
       })
   }
 

client/src/app/menu/menu.component.ts

@@ -1,8 +1,9 @@
 import { HotkeysService } from 'angular2-hotkeys'
 import * as debug from 'debug'
-import { switchMap } from 'rxjs/operators'
+import { forkJoin, Subscription } from 'rxjs'
+import { first, switchMap } from 'rxjs/operators'
 import { ViewportScroller } from '@angular/common'
-import { Component, OnInit, ViewChild } from '@angular/core'
+import { Component, OnDestroy, OnInit, ViewChild } from '@angular/core'
 import { Router } from '@angular/router'
 import {
   AuthService,
@@ -30,7 +31,7 @@ const debugLogger = debug('peertube:menu:MenuComponent')
   templateUrl: './menu.component.html',
   styleUrls: [ './menu.component.scss' ]
 })
-export class MenuComponent implements OnInit {
+export class MenuComponent implements OnInit, OnDestroy {
   @ViewChild('languageChooserModal', { static: true }) languageChooserModal: LanguageChooserComponent
   @ViewChild('quickSettingsModal', { static: true }) quickSettingsModal: QuickSettingsModalComponent
   @ViewChild('dropdown') dropdown: NgbDropdown
@@ -62,6 +63,11 @@ export class MenuComponent implements OnInit {
     [UserRight.MANAGE_CONFIGURATION]: '/admin/config'
   }
 
+  private languagesSub: Subscription
+  private modalSub: Subscription
+  private hotkeysSub: Subscription
+  private authSub: Subscription
+
   constructor (
     private viewportScroller: ViewportScroller,
     private authService: AuthService,
@@ -102,8 +108,7 @@ export class MenuComponent implements OnInit {
     this.updateUserState()
     this.buildMenuSections()
 
-    this.authService.loginChangedSource.subscribe(
-      status => {
+    this.authSub = this.authService.loginChangedSource.subscribe(status => {
       if (status === AuthStatus.LoggedIn) {
         this.isLoggedIn = true
       } else if (status === AuthStatus.LoggedOut) {
@@ -112,27 +117,34 @@ export class MenuComponent implements OnInit {
 
       this.updateUserState()
       this.buildMenuSections()
-      }
-    )
+    })
 
-    this.hotkeysService.cheatSheetToggle
+    this.hotkeysSub = this.hotkeysService.cheatSheetToggle
       .subscribe(isOpen => this.helpVisible = isOpen)
 
-    this.serverService.getVideoLanguages()
-      .subscribe(languages => {
+    this.languagesSub = forkJoin([
+      this.serverService.getVideoLanguages(),
+      this.authService.userInformationLoaded.pipe(first())
+    ]).subscribe(([ languages ]) => {
       this.languages = languages
 
-        this.authService.userInformationLoaded
-          .subscribe(() => this.buildUserLanguages())
+      this.buildUserLanguages()
     })
 
     this.serverService.getConfig()
       .subscribe(config => this.serverConfig = config)
 
-    this.modalService.openQuickSettingsSubject
+    this.modalSub = this.modalService.openQuickSettingsSubject
       .subscribe(() => this.openQuickSettings())
   }
 
+  ngOnDestroy () {
+    if (this.modalSub) this.modalSub.unsubscribe()
+    if (this.languagesSub) this.languagesSub.unsubscribe()
+    if (this.hotkeysSub) this.hotkeysSub.unsubscribe()
+    if (this.authSub) this.authSub.unsubscribe()
+  }
+
   isRegistrationAllowed () {
     if (!this.serverConfig) return false
 

client/src/app/modal/quick-settings-modal.component.ts

@@ -1,6 +1,6 @@
-import { ReplaySubject } from 'rxjs'
+import { ReplaySubject, Subscription } from 'rxjs'
 import { filter } from 'rxjs/operators'
-import { Component, OnInit, ViewChild } from '@angular/core'
+import { Component, OnDestroy, OnInit, ViewChild } from '@angular/core'
 import { ActivatedRoute, Router } from '@angular/router'
 import { AuthService, AuthStatus, LocalStorageService, User, UserService } from '@app/core'
 import { NgbModal } from '@ng-bootstrap/ng-bootstrap'
@@ -10,7 +10,7 @@ import { NgbModalRef } from '@ng-bootstrap/ng-bootstrap/modal/modal-ref'
   selector: 'my-quick-settings',
   templateUrl: './quick-settings-modal.component.html'
 })
-export class QuickSettingsModalComponent implements OnInit {
+export class QuickSettingsModalComponent implements OnInit, OnDestroy {
   private static readonly QUERY_MODAL_NAME = 'quick-settings'
 
   @ViewChild('modal', { static: true }) modal: NgbModal
@@ -20,6 +20,10 @@ export class QuickSettingsModalComponent implements OnInit {
 
   private openedModal: NgbModalRef
 
+  private routeSub: Subscription
+  private loginSub: Subscription
+  private localStorageSub: Subscription
+
   constructor (
     private modalService: NgbModal,
     private userService: UserService,
@@ -32,14 +36,15 @@ export class QuickSettingsModalComponent implements OnInit {
 
   ngOnInit () {
     this.user = this.userService.getAnonymousUser()
-    this.localStorageService.watch()
+
+    this.localStorageSub = this.localStorageService.watch()
       .subscribe({
         next: () => this.user = this.userService.getAnonymousUser()
       })
 
     this.userInformationLoaded.next(true)
 
-    this.authService.loginChangedSource
+    this.loginSub = this.authService.loginChangedSource
       .pipe(filter(status => status !== AuthStatus.LoggedIn))
       .subscribe({
         next: () => {
@@ -48,7 +53,7 @@ export class QuickSettingsModalComponent implements OnInit {
         }
       })
 
-    this.route.queryParams.subscribe(params => {
+    this.routeSub = this.route.queryParams.subscribe(params => {
       if (params['modal'] === QuickSettingsModalComponent.QUERY_MODAL_NAME) {
         this.openedModal = this.modalService.open(this.modal, { centered: true })
 
@@ -57,6 +62,12 @@ export class QuickSettingsModalComponent implements OnInit {
     })
   }
 
+  ngOnDestroy () {
+    if (this.routeSub) this.routeSub.unsubscribe()
+    if (this.loginSub) this.loginSub.unsubscribe()
+    if (this.localStorageSub) this.localStorageSub.unsubscribe()
+  }
+
   isUserLoggedIn () {
     return this.authService.isLoggedIn()
   }