Simple Weather App Using Node Js

app.js

const request = require('request')
const geoCode = require('./utils/geocode')
const forecast = require('./utils/forecast')

const address = process.argv[2]

if(!address){
    console.log('Please Provide Address')
}else{
    geoCode(address , (error , data)=>{

        if(error){
           return console.log(error)
        }
       
        forecast(data.latitude, data.longtitude , (error, forecastData) => {
            if(error){
                return console.log(error)
            }
    
           console.log(data.location)
           console.log(forecastData)
        })
        
    })
}

forecst.js

const request = require('request')

const forecast   = (lat ,long , callback) => {
    const url = 'https://api.darksky.net/forecast/<KEY>/' + encodeURIComponent(lat) + ','+encodeURIComponent(long)+''

    request({url : url, json: true} , (error , response) => {
        if(error){
            callback('Unable to connect location services' , undefined)
        } else if(response.body.error){
            callback('Unable to find location' , undefined)
        }else{
            callback(undefined , 
               response.body.daily.data[0].summary
            )
        }
    })
}

module.exports = forecast

geocode.js

const request = require('request')

const geoCode  = (address , callback) => {
    const url = 'https://api.mapbox.com/geocoding/v5/mapbox.places/' +  encodeURIComponent(address)  + '.json?access_token=<KEY>&limit=1'

    request({url : url, json: true} , (error , response) => {
        if(error){
            callback('Unable to connect location services' , undefined)
        } else if(response.body.features.length ===0 ){
            callback('Unable to find location' , undefined)
        }else{
            callback(undefined , {
                latitude : response.body.features[0].center[1],
                longtitude : response.body.features[0].center[0],
                location : response.body.features[0].place_name
            })
        }
    })
}

module.exports = geoCode