Keyboard

TypeScript

import { Keyboard } from 'degreet-telegram'
import { IContext } from 'degreet-telegram/src/types'

new Keyboard('under_the_message')
  .btn('cb', 'Go home', 'home').row() // row with one callback button
  .saveLayout('home_btn') // save layout with name "home_btn"

bot.listen(
  ['Hello, world', 'Hello!'],
  async (ctx: IContext): Promise<void> => {
    try {
      await ctx.answer.send(
        ctx.msg.text,
        new Keyboard('under_the_message') // under_the_chat or under_the_message
          .btn('callback', 'Button text', 'button_action') // base, callback, url and more ...
          .btn('callback', 'Btn 2', 'btn_2').row() // create row with 2 btns
          .useLayout('home_btn') // use layout with name 'home_btn'
      )
    } catch (e: any) {
      console.error(e)
    }
  }
)

bot.onClick('button_action', async (ctx: IContext): Promise<void> => {
  try {
    await ctx.answer.edit(new Keyboard('under_the_message')) // edit keyboard only
  } catch (e: any) {
    console.error(e)
  }
})

bot.onClick('home', async (ctx: IContext): Promise<void> => {
  try {
    await ctx.answer.send('Home')
  } catch (e: any) {
    console.error(e)
  }
})

JavaScript

const { Markup } = require('degreet-telegram')

new Markup('under_the_message')
  .btn('cb', 'Go home', 'home').row() // row with one callback button
  .saveLayout('home_btn') // save layout with name "home_btn"

bot.listen(
  ['Hello, world', 'Hello!'],
  async (ctx) => {
    try {
      await ctx.answer.send(
        ctx.msg.text,
        new Markup('under_the_message') // reply or inline
          .btn('callback', 'Button text', 'button_action') // base, callback, url and more ...
          .btn('callback', 'Btn 2', 'btn_2').row() // create row with 2 btns
          .useLayout('home_btn') // use layout with name 'home_btn'
          .disableWebPagePreview() // disable web page preview for links (extra)
      )
    } catch (e) {
      console.error(e)
    }
  }
)

bot.onClick('home', async (ctx) => {
  try {
    await ctx.answer.send('Home')
  } catch (e) {
    console.error(e)
  }
})

You can also pass the 4th parameter to Keyboard.btn how true, and it will be hide

All types of Keyboard.btn: base for under_the_chat, callback and cb, requestContact, requestLocation, webApp, url, switchInlineQuery