isochrone-explorer/src/osm/overpass.js

A powerful isochrone and routing engine based on Dijkstra's algorithm for accurate travel time calculations.

const axios = require('axios');

async function getOsmData(lat, lon) {
  const radius = 1000;
  const overpassApiUrl = 'https://overpass-api.de/api/interpreter';
  const query = `
    [out:json];
    (
      way["highway"](around:${radius},${lat},${lon});
      >;
    );
    out body;
  `;

  const response = await axios.post(overpassApiUrl, query, {
    headers: { 'Content-Type': 'text/plain' },
  });

  return response.data;
}

module.exports = { getOsmData };