Added node version check, some cleanup

api/index.js

@@ -33,10 +33,10 @@ const Rinit = 0x08;
 
 const start = process.hrtime();
 const log = (msg, jobNum) => {
-  console.log(`[${process.hrtime(start)[1] / 1000000}${jobNum !== undefined ? `:${jobNum}` : ""}]\t ${msg}`);
+  console.log(`[${process.hrtime(start)[1] / 1000000}${jobNum ? `:${jobNum}` : ""}]\t ${msg}`);
 };
 const error = (msg, jobNum) => {
-  console.error(`[${process.hrtime(start)[1] / 1000000}${jobNum !== undefined ? `:${jobNum}` : ""}]\t ${msg}`);
+  console.error(`[${process.hrtime(start)[1] / 1000000}${jobNum ? `:${jobNum}` : ""}]\t ${msg}`);
 };
 
 class JobCache extends Map {
@@ -53,8 +53,8 @@ const jobs = new JobCache();
 const queue = [];
 // Array of IDs
 
-const MAX_JOBS = process.env.JOBS !== "" && process.env.JOBS !== undefined ? parseInt(process.env.JOBS) : cpus().length * 4; // Completely arbitrary, should usually be some multiple of your amount of cores
+const MAX_JOBS = process.env.JOBS && process.env.JOBS !== "" ? parseInt(process.env.JOBS) : cpus().length * 4; // Completely arbitrary, should usually be some multiple of your amount of cores
-const PASS = process.env.PASS !== "" && process.env.PASS !== undefined ? process.env.PASS : undefined;
+const PASS = process.env.PASS && process.env.PASS !== "" ? process.env.PASS : undefined;
 let jobAmount = 0;
 
 const acceptJob = (id, sock) => {

app.js

@@ -1,6 +1,12 @@
 if (process.platform === "win32") console.error("\x1b[1m\x1b[31m\x1b[40m" + `WIN32 IS NOT OFFICIALLY SUPPORTED!
 Although there's a (very) slim chance of it working, multiple aspects of the bot are built with UNIX-like systems in mind and could break on Win32-based systems. If you want to run the bot on Windows, using Windows Subsystem for Linux is highly recommended.
 The bot will continue to run past this message, but keep in mind that it could break at any time. Continue running at your own risk; alternatively, stop the bot using Ctrl+C and install WSL.` + "\x1b[0m");
+if (process.versions.node.split(".")[0] < 15) {
+  console.error(`You are currently running Node.js version ${process.version}.
+esmBot requires Node.js version 15 or above.
+Please refer to step 3 of the setup guide.`);
+  process.exit(1);
+}
 
 // load config from .env file
 import { config } from "dotenv";
@@ -55,6 +61,7 @@ const Admiral = new Fleet({
   BotWorker: Shard,
   token: `Bot ${process.env.TOKEN}`,
   fetchTimeout: 900000,
+  useCentralRequestHandler: true,
   startingStatus: {
     status: "idle",
     game: {

commands/general/avatar.js

@@ -2,7 +2,7 @@ import Command from "../../classes/command.js";
 
 class AvatarCommand extends Command {
   async run() {
-    if (this.message.mentions[0] !== undefined) {
+    if (this.message.mentions[0]) {
       return this.message.mentions[0].dynamicAvatarURL(null, 1024);
     } else if (await this.ipc.fetchUser(this.args[0])) {
       const user = await this.ipc.fetchUser(this.args[0]);

utils/database/postgresql.js

@@ -44,8 +44,8 @@ export async function removeTag(name, guild) {
 
 export async function disableCommand(guild, command) {
   const guildDB = await this.getGuild(guild);
-  await connection.query("UPDATE guilds SET disabled_commands = $1 WHERE guild_id = $2", [(guildDB.disabled_commands ? [...guildDB.disabled_commands, command] : [command]).filter((v) => v !== undefined), guild]);
+  await connection.query("UPDATE guilds SET disabled_commands = $1 WHERE guild_id = $2", [(guildDB.disabled_commands ? [...guildDB.disabled_commands, command] : [command]).filter((v) => !!v), guild]);
-  disabledCmdCache.set(guild, guildDB.disabled_commands ? [...guildDB.disabled_commands, command] : [command].filter((v) => v !== undefined));
+  disabledCmdCache.set(guild, guildDB.disabled_commands ? [...guildDB.disabled_commands, command] : [command].filter((v) => !!v));
 }
 
 export async function enableCommand(guild, command) {
@@ -138,4 +138,4 @@ export async function setup() {
 
 export async function stop() {
   await connection.end();
-}
+}

utils/database/sqlite.js

@@ -73,8 +73,8 @@ export async function getCounts() {
 
 export async function disableCommand(guild, command) {
   const guildDB = await this.getGuild(guild);
-  connection.prepare("UPDATE guilds SET disabled_commands = ? WHERE guild_id = ?").run(JSON.stringify((guildDB.disabledCommands ? [...JSON.parse(guildDB.disabledCommands), command] : [command]).filter((v) => v !== undefined)), guild);
+  connection.prepare("UPDATE guilds SET disabled_commands = ? WHERE guild_id = ?").run(JSON.stringify((guildDB.disabledCommands ? [...JSON.parse(guildDB.disabledCommands), command] : [command]).filter((v) => !!v)), guild);
-  collections.disabledCmdCache.set(guild, guildDB.disabled_commands ? [...JSON.parse(guildDB.disabledCommands), command] : [command].filter((v) => v !== undefined));
+  collections.disabledCmdCache.set(guild, guildDB.disabled_commands ? [...JSON.parse(guildDB.disabledCommands), command] : [command].filter((v) => !!v));
 }
 
 export async function enableCommand(guild, command) {

utils/services/prometheus.js

@@ -7,7 +7,7 @@ class PrometheusWorker extends BaseServiceWorker {
   constructor(setup) {
     super(setup);
 
-    if (process.env.METRICS !== "" && process.env.METRICS !== undefined) {
+    if (process.env.METRICS && process.env.METRICS !== "") {
       this.httpServer = createServer(async (req, res) => {
         if (req.method !== "GET") {
           res.statusCode = 405;

utils/soundplayer.js

@@ -68,7 +68,7 @@ export async function play(client, sound, message, music = false) {
   if (!tracks || tracks.length === 0) return "I couldn't find that song!";
   if (music) {
     const sortedTracks = tracks.map((val) => { return val.track; });
-    const playlistTracks = playlistInfo.selectedTrack !== undefined ? sortedTracks : [sortedTracks[0]];
+    const playlistTracks = playlistInfo.selectedTrack ? sortedTracks : [sortedTracks[0]];
     queues.set(voiceChannel.guild.id, oldQueue ? [...oldQueue, ...playlistTracks] : playlistTracks);
   }
   const connection = await manager.join({