Add command to reload commands

commands/testing/reload.js

@@ -0,0 +1,31 @@
+const { SlashCommandBuilder } = require('discord.js');
+
+module.exports = {
+    data: new SlashCommandBuilder()
+    .setName('reload')
+    .setDescription('Reload a command.')
+    .addStringOption(option =>
+        option.setName('command')
+            .setDescription('The command to reload.')
+            .setRequired(true)),
+    async execute(interaction) {
+        const commandName = interaction.options.getString('command', true).toLowerCase();
+        const command = interaction.client.commands.get(commandName);
+
+        if (!command) {
+            return interaction.reply(`There is no command with name \`${commandName}\`!`);
+        }
+
+        delete require.cache[require.resolve(`./${command.data.name}.js`)];
+
+        try {
+            interaction.client.commands.delete(command.data.name);
+            const newCommand = require(`./${command.data.name}.js`);
+            interaction.client.commands.set(newCommand.data.name, newCommand);
+            await interaction.reply(`Command \`${newCommand.data.name}\` was reloaded!`);
+        } catch (error) {
+            console.error(error);
+            await interaction.reply(`There was an error while reloading a command \`${command.data.name}\`:\n\`${error.message}\``);
+        }
+    },
+};