feat: Added null checks for update and replyMessage objects to prevent potential null pointer exceptions

Author: m-mdy-m

src/bot/index.ts

@@ -48,6 +48,9 @@ export class CopBot {
               }
 
               console.log('Received webhook body:', update);
+               if (!update || !update.id) {
+                 throw new Error('Missing required field: id');
+               }
               await this._bot.handleUpdate(update);
               res.statusCode = 200;
               res.end();

src/decorators/Bot.ts

@@ -19,7 +19,7 @@ export function ReplyToBot() {
   return createDecorator(async (ctx, next, close) => {
     const reply = new BotReply(ctx);
     const replyMessage = ctx.message?.reply_to_message?.from!;
-    if (replyMessage.id! === ctx.me.id) {
+    if (replyMessage && replyMessage.id! === ctx.me.id) {
       const randomMessage = jokeMessage();
       await reply.textReply(randomMessage);
       close();