Add support for reloading modules(commands) without restarting the bot.

commands/reload.js

@@ -0,0 +1,31 @@
+const Discord = require('discord.js');
+
+module.exports = {
+	name: 'reload',
+	description: 'Reloads modules.',
+	admin: true,
+	execute(message, client) {
+
+		let reloadCommands = require("../util/reloadCommands.js")
+		let beforeSize = client.commands.size;
+		let sendText;
+
+		reloadCommands(client)
+		if (beforeSize > client.commands.size) {
+			let difference = beforeSize - client.commands.size;
+			if (difference == 1)
+				sendText = `${difference} module was removed and ${client.commands.size} in total were reloaded.`
+			else
+				sendText = `${difference} modules were removed and ${client.commands.size} in total were reloaded.`
+		} else if (beforeSize < client.commands.size) {
+			let difference = client.commands.size - beforeSize;
+			if (difference == 1)
+				sendText = `${difference} module was added and ${client.commands.size} in total were reloaded`
+			else
+				sendText = `${difference} modules were added and ${client.commands.size} in total were reloaded`
+		} else if (beforeSize === client.commands.size) {
+			sendText = `${client.commands.size} modules were reloaded`
+		}
+		message.channel.send(sendText)
+	}
+};

server.js

@@ -8,14 +8,8 @@ const {
 
 client.commands = new Discord.Collection();
 
-const commandFiles = fs.readdirSync('./commands').filter(file => file.endsWith('.js'));
+var reloadCommands = require("./util/reloadCommands.js")
-
+reloadCommands(client)
-for (const file of commandFiles) {
-	const command = require(`./commands/${file}`);
-	client.commands.set(command.name, command);
-}
-
-console.log(client.commands);
 
 client.once('ready', () => {
 	console.log('Ready!');
@@ -44,6 +38,7 @@ client.on('message', async message => {
 		switch (commandName) {
 			case "ban":
 			case "botinfo":
+			case "reload":
 				command.execute(message, client, args);
 				break;
 			case "say":
@@ -57,7 +52,6 @@ client.on('message', async message => {
 				command.execute(message)
 		}
 	} catch (error) {
-		message.channel.send("That command either does not exist, or is broken.")
 		console.log(`${error}\n-------`)
 	}
 });

util/reloadCommands.js

@@ -0,0 +1,27 @@
+const fs = require('fs')
+const filepath = 'commands/'
+
+
+module.exports = function (client) { //TODO: Add ability to reload specified commands with arguments
+
+    let commandFiles = fs.readdirSync(filepath).filter(file => file.endsWith('.js'));
+    if (client.commands.size != 0) {
+        for (const i of commandFiles) {
+            console.log(i)
+            delete require.cache[require.resolve(`../${filepath}${i}`)];
+        }
+    }
+
+    console.log(client.commands.size)
+    client.commands.clear()
+    console.log("test")
+
+    for (const file of commandFiles) {
+        const command = require(`../commands/${file}`);
+        client.commands.set(command.name, command);
+    }
+
+
+    //console.log(require.cache[require.resolve('../commands')])
+}
+