tested & working basic bot

src/events/impl/message.ts

@@ -0,0 +1,70 @@
+import { Collection } from "@discordjs/collection";
+import type { ChatMessage } from "@twurple/chat";
+import { commands } from "../../commands/collection.ts";
+import type { ICommand } from "../../commands/interface.ts";
+import { Config } from "../../config/config.ts";
+import { BaseEvent } from "../base-event.ts";
+import type { EventName } from "../registry.ts";
+
+const Cooldowns = new Collection<string, number>();
+
+export default class MessageEvent extends BaseEvent {
+  name: EventName = "message";
+
+  triggered = async (
+    channel: string,
+    user: string,
+    text: string,
+    msg: ChatMessage,
+  ) => {
+    await checkMessage(channel, user, text, msg);
+  };
+}
+
+async function checkMessage(
+  channel: string,
+  user: string,
+  text: string,
+  msg: ChatMessage,
+) {
+  // logInfo(`message seen: ${channel} - ${user} - ${text}`);
+  const prefix = Config.prefix;
+  if (!text.startsWith(prefix)) return;
+
+  const commandName = text
+    .slice(prefix.length)
+    .trim()
+    .split(/ +/g)[0]
+    .toLowerCase();
+  // logInfo(`available commands: ${commands.toJSON()}`);
+  // logInfo(`searching for command: ${commandName}`);
+  const command = commands.get(commandName);
+  if (!command) return;
+  if (!command.checkPerms) return;
+
+  const timeLeft = checkCooldown(command);
+  if (timeLeft > 0) {
+    // return chatClient.say(
+    //   channel,
+    //   `@${user}, you must wait ${timeLeft} more seconds to use the command again`,
+    // );
+  }
+
+  await command.triggered(channel, user, text, msg);
+}
+
+function checkCooldown(command: ICommand): number {
+  const now = Date.now();
+  if (command.cooldown > 0) {
+    const cooldownTime = Cooldowns.get(command.name);
+    if (cooldownTime) {
+      if (cooldownTime < now) {
+        const timeLeft = 0; // TODO!!!
+        return timeLeft;
+      } else {
+        Cooldowns.set(command.name, now + command.cooldown * 1000);
+      }
+    }
+  }
+  return 0;
+}