index.js

const http = require("http");
const fs = require("fs");

var requests = require("requests");
const homeFile =fs.readFileSync("home.html","utf-8");

const replaceval=(tempval,orgval)=>{
    let temperature = tempval.replace("{%tempval%}",orgval.main.temp);
    temperature = temperature.replace("{%tempmin%}",orgval.main.temp_min); 
    temperature = temperature.replace("{%tempmax%}",orgval.main.temp_max);
    temperature = temperature.replace("{%location%}",orgval.name);
    temperature = temperature.replace("{%country%}",orgval.sys.country);
    temperature = temperature.replace("{%tempstatus%}",orgval.weather[0].main);
   return temperature;
};

const server = http.createServer((req, res) => {
    if (req.url == "/") {
        requests("https://api.openweathermap.org/data/2.5/weather?q=surat&appid=93992763062f743ecf494e731d98bfb5")
            .on("data", (chunk) => {
                const objdata=JSON.parse(chunk);
                const arrdata = [objdata];

                const realTimeDate = arrdata
                .map((val) => replaceval(homeFile,val))
                .join("")
                res.write(realTimeDate)
                //console.log(realTimeDate);
                })

            .on("end",(err) => {
                if (err) return console.log("connection closed due to errors", err);
                res.end();
                //console.log('end');
        });
    }
});


server.listen(8000,"127.0.0.1");