Merge pull request #487 from TheDevYellowy/main

feat: switch user

src/client/Client.js

@@ -418,6 +418,26 @@ class Client extends BaseClient {
     }
   }
 
+  /**
+   * Switch the user
+   * @param {string | switchUserOptions} options Either the token or an object with the username, password, and mfaCode
+   */
+  async switchUser(options) {
+    await this.logout();
+    // There is a better way to code this but it's a temp fix - TheDevYellowy
+    await this.clearCache(this.channels.cache);
+    await this.clearCache(this.guilds.cache);
+    await this.clearCache(this.relationships.cache);
+    await this.clearCache(this.sessions.cache);
+    await this.clearCache(this.users.cache);
+    await this.clearCache(this.voiceStates.cache);
+    if (typeof options == 'string') {
+      await this.login(options);
+    } else {
+      await this.normalLogin(options.username, options.password, options.mfaCode);
+    }
+  }
+
   /**
    * Sign in with the QR code on your phone.
    * @param {boolean} debug Debug mode
@@ -557,6 +577,7 @@ class Client extends BaseClient {
     this.sweepers.destroy();
     this.ws.destroy();
     this.token = null;
+    this.password = null;
   }
 
   /**
@@ -570,7 +591,7 @@ class Client extends BaseClient {
         voip_provider: null,
       },
     });
-    this.destroy();
+    await this.destroy();
   }
 
   /**
@@ -752,6 +773,16 @@ class Client extends BaseClient {
     }
   }
 
+  /**
+   * Clear a cache
+   * @param {Collection} cache The cache to clear
+   */
+  async clearCache(cache) {
+    await cache.forEach(async (V, K) => {
+      await cache.delete(K);
+    });
+  }
+
   /**
    * Sweeps all text-based channels' messages and removes the ones older than the max message lifetime.
    * If the message has been edited, the time of the edit is used rather than the time of the original message.