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@dietime/telegraf-media-group

v1.0.5

Published

All that you want to easily process media groups in telegraf.js

Downloads

17

Readme

Introduction

When writing a telegram bot using telegraf.js, you may want to process a group of media sent by a user.

This package provides all that you want to solve this problem:

  • ⚡ Middleware
  • 🔥 Filters
  • 🚀 Wrapper types for context

Installation

$ npm i @dietime/telegraf-media-group

Usage

Attaching MediaGroup middleware

You need to attach MediaGroup middleware to your bot so that when you receive media group messages, these messages will be accumulated.

import { MediaGroup } from '@dietime/telegraf-media-group'

bot.use(new MediaGroup({ timeout: 1000 }).middleware())

The timeout option controls the time the middleware will wait for the next media group message. If no message is received within this timeout, middleware sends a message with accumulated media group messages for processing.

Processing a photo and video media group

To process a media group that contains both photos and videos, use the media_group() filter and wrap the context in the MediaGroupContext<T> type for better typing.

import { media_group, type MediaGroupContext } from '@dietime/telegraf-media-group'

bot.on(media_group(), (ctx: MediaGroupContext<Context>) => {
   for (const media of ctx.update.media_group) {
      if ('photo' in media) {
         console.log('Photo:', media.photo)
      }

      if ('video' in media) {
         console.log('Video:', media.video)
      }
   }
})

Processing a photo-only media group

To process a media group that contains only photos, use photo_media_group() filter and wrap the context in PhotoMediaGroupContext<T> type for better typing.

import { photo_media_group, type PhotoMediaGroupContext } from '@dietime/telegraf-media-group'

bot.on(photo_media_group(), (ctx: PhotoMediaGroupContext<Context>) => {
   for (const media of ctx.update.media_group) {
      console.log('Photo:', media.photo)
   }
})

Processing a video-only media group

To process a media group that contains only videos, use video_media_group() filter and wrap the context in VideoMediaGroupContext<T> type for better typing.

import { video_media_group, type VideoMediaGroupContext } from '@dietime/telegraf-media-group'

bot.on(video_media_group(), (ctx: VideoMediaGroupContext<Context>) => {
   for (const media of ctx.update.media_group) {
      console.log('Video:', media.video)
   }
})