index.js

require('dotenv').config()

const fetch = require("node-fetch")

const Telegram = require("node-telegram-bot-api")

const bot = new Telegram(process.env.TELEGRAM_TOKEN)

const weatherToken = process.env.WEATHER_API_TOKEN

const weatherURL = new URL("https://api.openweathermap.org/data/2.5/weather")

weatherURL.searchParams.set("q", "Haldwani,IN")
weatherURL.searchParams.set("APPID", weatherToken)
weatherURL.searchParams.set("units", "metric")

const getWeatherData = async () => {
    const resp = await fetch(weatherURL.toString())
    const body = await resp.json()
    return body
}

const generateWeatherMessage = weatherData =>
    `Good morning! 😊 There will be ${weatherData.weather[0].description} today in ${weatherData.name}. Currently, the temperature is ${weatherData.main.temp} °C. 🌡`

const main = async () => {
    const weatherData = await getWeatherData()
    const weatherString = generateWeatherMessage(weatherData)
    bot.sendMessage(process.env.TELEGRAM_CHAT_ID, weatherString)
    console.log(weatherString)
}

main()