How to retrieve data from API and write in a Json file with nodejs

Question

I'm trying to get data from API and write it in Json File. How can I do that please?
the function to retrive the data is:

 function get_flights_by_airport(airport_name, callback) {
    let request = require('request');
    let url = 'http://api.aviationstack.com/v1/flights?access_key=xxxx'
    request(url, function (err, response, body) {
      if (err) {
        console.log('error:', error);
        callback(err);
      } else {
        let vol = JSON.parse(body)
        num = vol.pagination.count
        result = []
        for (let i = 0; i < num; i++) {
          dep = vol.data[i].departure.airport
          one_flight = {number: vol.data[i].flight.number, date: vol.data[i].flight_date, departure: vol.data[i].departure.timezone, arrival: vol.data[i].arrival.timezone, from: vol.data[i].departure.airport, to: vol.data[i].arrival.airport}
          result.push(one_flight)
         
          }
        callback(null, result)
      }
   });}

You could check the filesystem module fs. It has APIs like writeFile and writeFileSync which could be used to write to a file. And use JSON.stringify to convert your JSON object to a string before writing it. — yeniv
– yeniv, Commented Nov 22, 2020 at 16:58
Hi Mariem. Please check the answer and mark the question as answered if it so. Thanks! — CyberEternal
– CyberEternal, Commented Apr 22, 2021 at 8:42

CyberEternal · Accepted Answer · 2020-11-23 05:41:50Z

1

You should use the fs module. The fs module enables interacting with the file system in a way modeled on standard POSIX functions. All file system operations have synchronous, callback, and promise-based forms.

Here is an example of the synchronous way to write file

const fs = require('fs');


fs.writeFileSync(`${FILE_PATH}.json`, JSON.stringify(YOUR_JSON));

Replace FILE_PATH to the path where you want to save the file and YOUR_JSON to your JSON.

edited Nov 23, 2020 at 5:41

answered Nov 22, 2020 at 17:03

CyberEternal

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