play from arbitrary files

package.json

@@ -5,6 +5,7 @@
   "main": "dist/index.js",
   "scripts": {
     "start": "pnpm build && node .",
+    "watch": "pnpm build watch",
     "build": "node build.mjs",
     "test": "echo \"Error: no test specified\" && exit 1"
   },
@@ -12,12 +13,14 @@
   "author": "",
   "license": "GPL-3.0-only",
   "dependencies": {
-    "@discordjs/voice": "^0.18.0",
+    "@discordjs/voice": "^0.17.0",
     "dotenv": "^16.4.7",
+    "libsodium-wrappers": "^0.7.15",
     "oceanic.js": "^1.11.2"
   },
   "packageManager": "pnpm@9.15.3+sha512.1f79bc245a66eb0b07c5d4d83131240774642caaa86ef7d0434ab47c0d16f66b04e21e0c086eb61e62c77efc4d7f7ec071afad3796af64892fae66509173893a",
   "devDependencies": {
+    "@eslint/js": "^9.18.0",
     "@types/node": "^22.10.5",
     "esbuild": "0.24.2"
   }

pnpm-lock.yaml

@@ -9,15 +9,21 @@ importers:
   .:
     dependencies:
       '@discordjs/voice':
-        specifier: ^0.18.0
-        version: 0.18.0
+        specifier: ^0.17.0
+        version: 0.17.0
       dotenv:
         specifier: ^16.4.7
         version: 16.4.7
+      libsodium-wrappers:
+        specifier: ^0.7.15
+        version: 0.7.15
       oceanic.js:
         specifier: ^1.11.2
         version: 1.11.2
     devDependencies:
+      '@eslint/js':
+        specifier: ^9.18.0
+        version: 9.18.0
       '@types/node':
         specifier: ^22.10.5
         version: 22.10.5
@@ -32,10 +38,6 @@ packages:
     engines: {node: '>=16.11.0'}
     deprecated: This version uses deprecated encryption modes. Please use a newer version.
 
-  '@discordjs/voice@0.18.0':
-    resolution: {integrity: sha512-BvX6+VJE5/vhD9azV9vrZEt9hL1G+GlOdsQaVl5iv9n87fkXjf3cSwllhR3GdaUC8m6dqT8umXIWtn3yCu4afg==}
-    engines: {node: '>=18'}
-
   '@esbuild/aix-ppc64@0.24.2':
     resolution: {integrity: sha512-thpVCb/rhxE/BnMLQ7GReQLLN8q9qbHmI55F4489/ByVg2aQaQ6kbcLb6FHkocZzQhxc4gx0sCk0tJkKBFzDhA==}
     engines: {node: '>=18'}
@@ -186,15 +188,16 @@ packages:
     cpu: [x64]
     os: [win32]
 
+  '@eslint/js@9.18.0':
+    resolution: {integrity: sha512-fK6L7rxcq6/z+AaQMtiFTkvbHkBLNlwyRxHpKawP0x3u9+NC6MQTnFW+AdpwC6gfHTW0051cokQgtTN2FqlxQA==}
+    engines: {node: ^18.18.0 || ^20.9.0 || >=21.1.0}
+
   '@types/node@22.10.5':
     resolution: {integrity: sha512-F8Q+SeGimwOo86fiovQh8qiXfFEh2/ocYv7tU5pJ3EXMSSxk1Joj5wefpFK2fHTf/N6HKGSxIDBT9f3gCxXPkQ==}
 
   '@types/ws@8.5.13':
     resolution: {integrity: sha512-osM/gWBTPKgHV8XkTunnegTRIsvF6owmf5w+JtAfOw472dptdm0dlGv4xCt6GwQRcC2XVOvvRE/0bAoQcL2QkA==}
 
-  discord-api-types@0.37.115:
-    resolution: {integrity: sha512-ivPnJotSMrXW8HLjFu+0iCVs8zP6KSliMelhr7HgcB2ki1QzpORkb26m71l1pzSnnGfm7gb5n/VtRTtpw8kXFA==}
-
   discord-api-types@0.37.83:
     resolution: {integrity: sha512-urGGYeWtWNYMKnYlZnOnDHm8fVRffQs3U0SpE8RHeiuLKb/u92APS8HoQnPTFbnXmY1vVnXjXO4dOxcAn3J+DA==}
 
@@ -207,6 +210,12 @@ packages:
     engines: {node: '>=18'}
     hasBin: true
 
+  libsodium-wrappers@0.7.15:
+    resolution: {integrity: sha512-E4anqJQwcfiC6+Yrl01C1m8p99wEhLmJSs0VQqST66SbQXXBoaJY0pF4BNjRYa/sOQAxx6lXAaAFIlx+15tXJQ==}
+
+  libsodium@0.7.15:
+    resolution: {integrity: sha512-sZwRknt/tUpE2AwzHq3jEyUU5uvIZHtSssktXq7owd++3CSgn8RGrv6UZJJBpP7+iBghBqe7Z06/2M31rI2NKw==}
+
   oceanic.js@1.11.2:
     resolution: {integrity: sha512-kXMoZiIrIFq0QCfsZGJ+eOK+1IFkVsTpvwcQ3nfY6ioDKGVdHQjVIXNJAYvJb5c5la//2OU8WGpqsmp/bAP8aw==}
     engines: {node: '>=18.13.0'}
@@ -262,22 +271,6 @@ snapshots:
       - node-opus
       - opusscript
       - utf-8-validate
-    optional: true
-
-  '@discordjs/voice@0.18.0':
-    dependencies:
-      '@types/ws': 8.5.13
-      discord-api-types: 0.37.115
-      prism-media: 1.3.5
-      tslib: 2.8.1
-      ws: 8.18.0
-    transitivePeerDependencies:
-      - '@discordjs/opus'
-      - bufferutil
-      - ffmpeg-static
-      - node-opus
-      - opusscript
-      - utf-8-validate
 
   '@esbuild/aix-ppc64@0.24.2':
     optional: true
@@ -354,6 +347,8 @@ snapshots:
   '@esbuild/win32-x64@0.24.2':
     optional: true
 
+  '@eslint/js@9.18.0': {}
+
   '@types/node@22.10.5':
     dependencies:
       undici-types: 6.20.0
@@ -362,10 +357,7 @@ snapshots:
     dependencies:
       '@types/node': 22.10.5
 
-  discord-api-types@0.37.115: {}
-
-  discord-api-types@0.37.83:
-    optional: true
+  discord-api-types@0.37.83: {}
 
   dotenv@16.4.7: {}
 
@@ -397,6 +389,12 @@ snapshots:
       '@esbuild/win32-ia32': 0.24.2
       '@esbuild/win32-x64': 0.24.2
 
+  libsodium-wrappers@0.7.15:
+    dependencies:
+      libsodium: 0.7.15
+
+  libsodium@0.7.15: {}
+
   oceanic.js@1.11.2:
     dependencies:
       tslib: 2.8.1

src/commands/help.ts

@@ -0,0 +1,29 @@
+import commands, { Command } from ".";
+import { filterAsync } from "../util";
+
+const cmdHelp: Command = {
+  names: ["help", "cmds"],
+  desc: "list out commands you have access to",
+  checkPerm: async () => true,
+  async handler(msg, { reply }) {
+    const availCmds = await filterAsync(
+      commands,
+      async (cmd) => await cmd.checkPerm(msg)
+    );
+
+    let text = `// List of commands (${availCmds.length} count)\n`;
+
+    for (let cmd of availCmds) {
+      text += `${cmd.names[0]} `;
+      if (cmd.names.length > 1) {
+        text += `(aka: ${cmd.names.slice(1).join(", ")}) `;
+      }
+      text += `- ${cmd.desc}\n`;
+    }
+
+    text = "```\n" + text + "\n```";
+    await reply(text);
+  },
+};
+
+export default cmdHelp;

src/commands/hi.ts

@@ -1,19 +1,15 @@
 import { Message } from "oceanic.js";
 import { Command } from ".";
 
-const hi: Command = {
-  name: "hi",
+const cmdHi: Command = {
+  names: ["hi", "hello"],
   desc: "test command",
-  async checkPerm(msg: Message): Promise<boolean> {
-    if (msg.member === undefined) return false;
-
-    return msg.member.roles.includes("1327065762031992924");
+  async checkPerm(msg: Message) {
+    return msg.member?.roles.includes("1327065762031992924");
   },
-  async handler(msg: Message) {
-    msg.channel?.createMessage({
-      content: "Test message",
-    });
+  async handler(msg: Message, { say }) {
+    await say("Test message");
   },
 };
 
-export default hi;
+export default cmdHi;

src/commands/index.ts

@@ -1,13 +1,21 @@
 import { Message } from "oceanic.js";
-import hi from "./hi";
+import cmdHelp from "./help";
+import cmdHi from "./hi";
+import cmdPlay from "./play";
 
 export type Command = {
-  name: string;
-  desc?: string;
-  checkPerm(msg: Message): Promise<boolean>;
-  handler(msg: Message): Promise<void>;
+  names: string[];
+  desc: string;
+  checkPerm(msg: Message): Promise<boolean | undefined>;
+  handler(
+    msg: Message,
+    replies: {
+      reply: (text: string) => Promise<void>;
+      say: (text: string) => Promise<void>;
+    }
+  ): Promise<void>;
 };
 
-const commands: Command[] = [hi];
+const commands: Command[] = [cmdHelp, cmdHi, cmdPlay];
 
 export default commands;

src/commands/play.ts

@@ -0,0 +1,63 @@
+import {
+  AudioPlayerStatus,
+  createAudioPlayer,
+  createAudioResource,
+  VoiceConnectionStatus,
+} from "@discordjs/voice";
+import { Command } from ".";
+import { existsSync } from "node:fs";
+
+const cmdPlay: Command = {
+  names: ["play", "soundtest"],
+  desc: "test voice features",
+  async checkPerm(msg) {
+    return msg.author.id === "778441081883983893";
+  },
+  async handler(msg, { reply, say }) {
+    const voiceState = msg.member?.voiceState;
+    if (!voiceState?.channelID)
+      return await reply("You are not in a voice channel");
+
+    if (msg.guildID !== null && msg.client.getVoiceConnection(msg.guildID)) {
+      return await reply("I am already connected");
+    }
+
+    const conn = voiceState.channel?.join({
+      selfMute: false,
+    });
+    if (!conn) return await reply("Failed to join channel");
+
+    conn.on(VoiceConnectionStatus.Disconnected, () => {
+      console.log("Rejoining from disconnection!!");
+      conn.rejoin();
+    });
+
+    const player = createAudioPlayer();
+    conn.subscribe(player);
+
+    conn.on("stateChange", (oldSt, newSt) => {
+      console.log(`Moving from ${oldSt.status} to ${newSt.status}`);
+    });
+    conn.on("error", (err) => {
+      console.error("Connection experienced error!", err);
+    });
+
+    player.once(AudioPlayerStatus.Playing, async () => {
+      await say("Playing audio");
+    });
+    player.on(AudioPlayerStatus.Idle, async () => {
+      await say("Audio finished playing");
+    });
+
+    const name = msg.content.match(/\s(.*)$/)?.[1];
+    if (!name || !existsSync(name)) {
+      return await reply("Audio file not found");
+    }
+    console.log(name);
+
+    const audio = createAudioResource(name);
+    player.play(audio);
+  },
+};
+
+export default cmdPlay;

src/constants.ts

@@ -0,0 +1 @@
+export const PREFIX = "!!";

src/index.ts

@@ -1,15 +1,20 @@
 import { Client } from "oceanic.js";
 import "dotenv/config";
 import commands from "./commands";
+import { PREFIX } from "./constants";
 
-const token = process.env.DISCORD_TOKEN;
-if (!token) {
-  console.error("No `DISCORD_TOKEN` was specified!!");
-  process.exit(1);
+function token() {
+  return (
+    process.env.DISCORD_TOKEN ??
+    (() => {
+      console.error("No `DISCORD_TOKEN` was specified!!");
+      process.exit(1);
+    })()
+  );
 }
 
 const client = new Client({
-  auth: `Bot ${token}`,
+  auth: `Bot ${token()}`,
   gateway: {
     intents: ["ALL"],
   },
@@ -21,25 +26,37 @@ client.on("ready", async () => {
   console.log("Ready as", client.user.tag);
 });
 
-const PREFIX = "!!";
-
 client.on("messageCreate", async (msg) => {
   if (msg.author.bot) return;
 
-  let first = msg.content.split(/\s/).shift();
-  if (first?.startsWith(PREFIX) === false) return;
-  let cmdName = first!.slice(PREFIX.length);
+  const content = msg.content.toLowerCase().trim();
+  if (!content.startsWith(PREFIX)) return;
 
-  let command = commands.find((c) => c.name === cmdName);
+  const cmdName = content.split(/\s/)[0]?.slice(PREFIX.length) ?? "";
+  const cmd = commands.find((cmd) => cmd.names.includes(cmdName));
 
-  if (command === undefined) return;
+  if (cmd === undefined) return;
 
-  if ((await command.checkPerm(msg)) === false) {
-    await msg.createReaction("❌");
-    return;
-  }
+  if (await cmd.checkPerm(msg)) {
+    const reply = async (text: string) => {
+      await msg.channel?.createMessage({
+        content: text,
+        allowedMentions: {
+          repliedUser: false,
+        },
+        messageReference: {
+          messageID: msg.id,
+        },
+      });
+    };
+    const say = async (text: string) => {
+      await msg.channel?.createMessage({
+        content: text,
+      });
+    };
 
-  await command?.handler(msg);
+    await cmd?.handler(msg, { reply, say });
+  } else await msg.createReaction("❌");
 });
 
 client.on("error", (err) => {

src/util.ts

@@ -0,0 +1,7 @@
+export async function filterAsync<T>(
+  arr: T[],
+  predicate: (v) => Promise<boolean>
+): Promise<T[]> {
+  const results = await Promise.all(arr.map(predicate));
+  return arr.filter((_v, i) => results[i]);
+}

tsconfig.json

@@ -0,0 +1,21 @@
+{
+  "compilerOptions": {
+    "esModuleInterop": true,
+    "skipLibCheck": true,
+    "target": "ESNext",
+    "allowJs": true,
+    "resolveJsonModule": true,
+    "moduleDetection": "force",
+    "isolatedModules": true,
+
+    "strict": true,
+    "noUncheckedIndexedAccess": true,
+    "noImplicitOverride": true,
+
+    "module": "NodeNext",
+    "outDir": "dist",
+    "sourceMap": true,
+
+    "lib": ["ESNext"]
+  }
+}