Overview

This article provides a guide on how to write a Telegram bot using SvelteKit and deploy it on Vercel. It explains the process of setting up the bot, handling requests from Telegram, and implementing basic functionality such as echoing back received messages. The deployment is done using the webhook method, and the article also mentions the statelessness of the deployment, highlighting the lack of data persistence.

Features

• Utilizes SvelteKit framework for building the Telegram bot
• Integrates with Vercel for easy deployment with zero-configuration support
• Implements webhook type of deployment for real-time updates from Telegram
• Handles request callbacks from Telegram servers using the “node-telegram-bot-api” library
• Echoes back the received text messages to demonstrate request handling

Installation

To install and set up the Telegram bot with SvelteKit and Vercel, follow these steps:

1. Create a new project with npm create svelte
2. Install the Telegram library using node-telegram-bot-api
3. Configure the project’s svelte.config.js file with the necessary settings
4. Create a +server.ts file in the ./routes directory
5. Implement the echoing functionality in the bot.ts file
6. Push the code to a git repository
7. Deploy the repository on Vercel
8. Set a webhook to allow Telegram to deliver updates to the bot

Once the deployment is complete, the bot can be accessed and used for chatting.

Summary

This article serves as a tutorial for building a Telegram bot using SvelteKit and deploying it on Vercel. It covers the process of setting up the bot, handling requests from Telegram, and implementing basic functionality. The article also mentions the statelessness of the deployment on Vercel and the lack of data persistence. The full source code of the project is available on GitHub for reference.