fix(managers): do not create http client per each manager

src/lib/Manager.ts

@@ -1,11 +1,6 @@
-import { PrivateConfig, SpotifyConfig } from '../interfaces/Config';
 import { HttpClient } from './http/HttpManager';
 
-export class Manager {
-  protected http = new HttpClient(this.config, this.privateConfig);
-
-  constructor(
-    protected config: SpotifyConfig,
-    protected privateConfig: PrivateConfig
-  ) {}
+export abstract class Manager {
+  // eslint-disable-next-line no-unused-vars
+  constructor(protected readonly http: HttpClient) {}
 }

src/lib/SpotifyAPI.ts

@@ -1,7 +1,8 @@
-import { PrivateConfig, SpotifyConfig } from '../interfaces/Config';
+import { SpotifyConfig } from '../interfaces/Config';
 import { AlbumManager } from './album/AlbumManager';
 import { ArtistManager } from './artist/ArtistManager';
 import { AudioManager } from './audio/AudioManager';
+import { HttpClient } from './http/HttpManager';
 import { MeManager } from './me/MeManager';
 import { PlaylistManager } from './playlist/PlaylistManager';
 import { RecommendationsManager } from './recommendations/RecommendationsManager';
@@ -28,28 +29,27 @@ export class SpotifyAPI {
 
   playlist: PlaylistManager;
 
-  private privateConfig: PrivateConfig = {};
-
   config: SpotifyConfig;
 
   constructor(config: SpotifyConfig) {
-    this.config = config;
+    // eslint-disable-next-line deprecation/deprecation
+    const { acccessToken, ...httpClientConfig } = config;
 
     // TODO: remove for v2
-    // eslint-disable-next-line deprecation/deprecation
-    if (!this.config.accessToken && config.acccessToken) {
-      // eslint-disable-next-line deprecation/deprecation
-      this.config.accessToken = config.acccessToken;
+    if (!httpClientConfig.accessToken && acccessToken) {
+      httpClientConfig.accessToken = acccessToken;
     }
 
-    this.tracks = new TrackManager(this.config, this.privateConfig);
-    this.albums = new AlbumManager(this.config, this.privateConfig);
-    this.artists = new ArtistManager(this.config, this.privateConfig);
-    this.users = new UserManager(this.config, this.privateConfig);
-    this.me = new MeManager(this.config, this.privateConfig);
-    this.search = new SearchManager(this.config, this.privateConfig);
-    this.recommendations = new RecommendationsManager(this.config, this.privateConfig);
-    this.audio = new AudioManager(this.config, this.privateConfig);
-    this.playlist = new PlaylistManager(this.config, this.privateConfig);
+    const client = new HttpClient(httpClientConfig, {});
+
+    this.tracks = new TrackManager(client);
+    this.albums = new AlbumManager(client);
+    this.artists = new ArtistManager(client);
+    this.users = new UserManager(client);
+    this.me = new MeManager(client);
+    this.search = new SearchManager(client);
+    this.recommendations = new RecommendationsManager(client);
+    this.audio = new AudioManager(client);
+    this.playlist = new PlaylistManager(client);
   }
 }

src/lib/http/HttpManager.ts

@@ -31,6 +31,7 @@ export class HttpClient {
 
   constructor(
     protected config: SpotifyConfig,
+    // eslint-disable-next-line no-unused-vars
     protected privateConfig: PrivateConfig
   ) {
     if (config.http?.baseURL) {