Fix code to work on this decade 1/x

Client.js

@@ -0,0 +1,58 @@
+const { Client, Collection } = require('discord.js');
+const admin = require('firebase-admin');
+require('dotenv/config');
+
+module.exports = class extends Client {
+    constructor() {
+        super({
+            intents: [
+                "Guilds",
+                "GuildMessages",
+                "GuildVoiceStates",
+                "MessageContent"
+            ],
+            disableMentions: "everyone",
+            disabledEvents: ["TYPING_START"]
+        });
+
+        this.commands = new Collection();
+
+        this.commandAliases = new Collection();
+
+        this.playlistCmd = new Collection();
+
+        this.settingCmd = new Collection();
+
+        this.events = new Collection();
+
+        this.queue = new Map();
+
+        this.funcs = {};
+
+        this.funcs.handleVideo = require('./funcs/handleVideo.js');
+        this.funcs.play = require('./funcs/play.js');
+        this.funcs.msToTime = require('./funcs/msToTime.js');
+        this.funcs.exe = require('./funcs/exe.js');
+
+        this.config = require('./config.js');
+
+        this.global = {
+            db: {
+                guilds: {},
+                playlists: {},
+            },
+        };
+
+        if(this.config.firebase.serviceAccount){
+            this.funcs.dbget = require('./funcs/dbget.js');
+
+            admin.initializeApp({
+                credential: admin.credential.cert(this.config.firebase.serviceAccount),
+            });
+
+            this.db = admin.firestore();
+
+            this.db.FieldValue = require('firebase-admin').firestore.FieldValue;
+        }
+    }
+};