Convert geoJSON format file to separate INI format files by geoJSON property name

geojson2INI.js

'use strict';

const fs = require('fs');

// Customize as required
const inFile = process.argv[2];

fs.readFile(inFile, 'utf8', (err, data) => {
    const geoJSON = JSON.parse(data);
    geoJSON.features.forEach(feature => {
        let geoFence = '';
        if (feature.geometry.type === 'Polygon') {
            geoFence += `[${feature.properties.name}]\n`;
            feature.geometry.coordinates.forEach(coordinateGroup => {
                coordinateGroup.pop();
                coordinateGroup.forEach(point => {
                    geoFence += `${point[1]},${point[0]}\n`;
                });
            });
        }
        fs.writeFile(feature.properties.name + '.txt', geoFence, 'utf8', () => { });
    });
});