Initial commit - Part 1, Part 2, Part 3

01 - Setting up project/.env.example

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+TOKEN = YOUR_BOT_TOKEN

01 - Setting up project/package.json

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+{
+  "name": "discord-bot",
+  "version": "1.0.0",
+  "description": "",
+  "main": "src/index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "discord.js": "^14.7.1",
+    "dotenv": "^16.0.3"
+  }
+}

01 - Setting up project/src/index.js

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+require('dotenv').config();
+const { Client, IntentsBitField } = require('discord.js');
+
+const client = new Client({
+  intents: [
+    IntentsBitField.Flags.Guilds,
+    IntentsBitField.Flags.GuildMembers,
+    IntentsBitField.Flags.GuildMessages,
+    IntentsBitField.Flags.MessageContent,
+  ],
+});
+
+client.on('ready', (c) => {
+  console.log(`✅ ${c.user.tag} is online.`);
+});
+
+client.on('messageCreate', (message) => {
+  if (message.author.bot) {
+    return;
+  }
+
+  if (message.content === 'hello') {
+    message.reply('hello');
+  }
+});
+
+client.login(process.env.TOKEN);

02 - Registering Slash Commands/.env.example

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+TOKEN = YOUR_BOT_TOKEN
+CLIENT_ID = YOUR_BOT_ID
+GUILD_ID = YOUR_SERVER_ID

02 - Registering Slash Commands/package.json

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+{
+  "name": "discord-bot",
+  "version": "1.0.0",
+  "description": "",
+  "main": "src/index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "discord.js": "^14.7.1",
+    "dotenv": "^16.0.3"
+  }
+}

02 - Registering Slash Commands/src/index.js

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+require('dotenv').config();
+const { Client, IntentsBitField } = require('discord.js');
+
+const client = new Client({
+  intents: [
+    IntentsBitField.Flags.Guilds,
+    IntentsBitField.Flags.GuildMembers,
+    IntentsBitField.Flags.GuildMessages,
+    IntentsBitField.Flags.MessageContent,
+  ],
+});
+
+client.on('ready', (c) => {
+  console.log(`✅ ${c.user.tag} is online.`);
+});
+
+client.on('interactionCreate', (interaction) => {
+  if (!interaction.isChatInputCommand()) return;
+
+  if (interaction.commandName === 'hey') {
+    return interaction.reply('hey!');
+  }
+
+  if (interaction.commandName === 'ping') {
+    return interaction.reply('Pong!');
+  }
+});
+
+client.login(process.env.TOKEN);

02 - Registering Slash Commands/src/register-commands.js

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+require('dotenv').config();
+const { REST, Routes } = require('discord.js');
+
+const commands = [
+  {
+    name: 'hey',
+    description: 'Replies with hey!',
+  },
+  {
+    name: 'ping',
+    description: 'Pong!',
+  },
+];
+
+const rest = new REST({ version: '10' }).setToken(process.env.TOKEN);
+
+(async () => {
+  try {
+    console.log('Registering slash commands...');
+
+    await rest.put(
+      Routes.applicationGuildCommands(
+        process.env.CLIENT_ID,
+        process.env.GUILD_ID
+      ),
+      { body: commands }
+    );
+
+    console.log('Slash commands were registered successfully!');
+  } catch (error) {
+    console.log(`There was an error: ${error}`);
+  }
+})();

03 - Options and Choices/.env.example

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+TOKEN = YOUR_BOT_TOKEN
+CLIENT_ID = YOUR_BOT_ID
+GUILD_ID = YOUR_SERVER_ID

03 - Options and Choices/package.json

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+{
+  "name": "discord-bot",
+  "version": "1.0.0",
+  "description": "",
+  "main": "src/index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "discord.js": "^14.7.1",
+    "dotenv": "^16.0.3"
+  }
+}

03 - Options and Choices/src/index.js

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+require('dotenv').config();
+const { Client, IntentsBitField } = require('discord.js');
+
+const client = new Client({
+  intents: [
+    IntentsBitField.Flags.Guilds,
+    IntentsBitField.Flags.GuildMembers,
+    IntentsBitField.Flags.GuildMessages,
+    IntentsBitField.Flags.MessageContent,
+  ],
+});
+
+client.on('ready', (c) => {
+  console.log(`✅ ${c.user.tag} is online.`);
+});
+
+client.on('interactionCreate', (interaction) => {
+  if (!interaction.isChatInputCommand()) return;
+
+  if (interaction.commandName === 'add') {
+    const num1 = interaction.options.get('first-number').value;
+    const num2 = interaction.options.get('second-number').value;
+
+    interaction.reply(`The sum is ${num1 + num2}`);
+  }
+});
+
+client.login(process.env.TOKEN);

03 - Options and Choices/src/register-commands.js

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+require('dotenv').config();
+const { REST, Routes, ApplicationCommandOptionType } = require('discord.js');
+
+const commands = [
+  {
+    name: 'add',
+    description: 'Adds two numbers.',
+    options: [
+      {
+        name: 'first-number',
+        description: 'The first number.',
+        type: ApplicationCommandOptionType.String,
+        choices: [
+          {
+            name: 'one',
+            value: '1',
+          },
+          {
+            name: 'two',
+            value: '2',
+          },
+          {
+            name: 'three',
+            value: '3',
+          },
+        ],
+        required: true,
+      },
+      {
+        name: 'second-number',
+        description: 'The second number.',
+        type: ApplicationCommandOptionType.Number,
+        required: true,
+      },
+    ],
+  },
+];
+
+const rest = new REST({ version: '10' }).setToken(process.env.TOKEN);
+
+(async () => {
+  try {
+    console.log('Registering slash commands...');
+
+    await rest.put(
+      Routes.applicationGuildCommands(
+        process.env.CLIENT_ID,
+        process.env.GUILD_ID
+      ),
+      { body: commands }
+    );
+
+    console.log('Slash commands were registered successfully!');
+  } catch (error) {
+    console.log(`There was an error: ${error}`);
+  }
+})();