feat(validations): added cooldown

src/handlers/command-handler/validations/cooldown.ts

@@ -0,0 +1,37 @@
+import { BuiltInValidationParams } from "@/types.js";
+
+const cooldowns = new Map<string, Map<string, number>>();
+
+export default function ({ targetCommand, interaction }: BuiltInValidationParams) {
+	const { cooldown } = targetCommand.options || {};
+
+	if (!cooldown) return;
+
+	const now = Date.now();
+	const userId = interaction.user.id;
+	const commandName = targetCommand.data.name;
+
+	if (!cooldowns.has(commandName)) {
+		cooldowns.set(commandName, new Map());
+	}
+
+	const userCooldowns = cooldowns.get(commandName)!;
+
+	if (userCooldowns) {
+		const expirationTime = userCooldowns.get(userId)! + cooldown * 1000;
+		if (now < expirationTime) {
+			const timeLeft = (expirationTime - now) / 1000;
+
+			if (!interaction.isRepliable()) return;
+
+			interaction.reply({
+				content: `❌ You can use this command again in ${timeLeft.toFixed(1)} seconds.`,
+				ephemeral: true,
+			});
+
+			return true;
+		}
+	}
+	userCooldowns.set(userId, now);
+	return false;
+}

src/handlers/command-handler/validations/index.ts

@@ -1,3 +1,4 @@
 import devOnly from "./devOnly.js";
+import cooldown from "./cooldown.js";
 
-export default [devOnly];
+export default [devOnly, cooldown];

src/types.d.ts

@@ -49,6 +49,7 @@ export interface CommandContext<_T extends Interaction, _Cached extends CacheTyp
 
 export interface CommandOptions {
 	devOnly?: boolean;
+	cooldown?: number;
 }
 
 export interface CommandFileObject {