index.js

/*
Name:             google-geolocation - index.js
Description:      Google Maps Geolocation API for Node.js (unofficial)
Author:           Franklin (https://frankl.in)
License:          Unlicense (public domain, see LICENSE file)
Source & docs:    https://github.com/fvdm/nodejs-geolocation
*/


/**
 * Perform geolocation request
 *
 * @param   {object}  params                 Parameters
 * @param   {string}  params.key             API key
 * @param   {number}  [params.timeout=5000]  Request timeout in ms
 *
 * @return {Promise<object>}
 */

module.exports = async ( {
  key,
  timeout = 5000,
} ) => {
  delete arguments[0].key;
  delete arguments[0].timeout;

  const url = `https://www.googleapis.com/geolocation/v1/geolocate?key=${key}`;

  const options = {
    method: 'POST',
    body: JSON.stringify( arguments[0] ),
    signal: AbortSignal.timeout( timeout ),
  };

  const res = await fetch( url, options );
  const data = await res.json();

  if ( data.error ) {
    const error = new Error( data.error.message );

    error.code = data.error.code;
    error.reason = data.error.details[0].reason;
    error.details = data.error.details;
    error.errors = data.error.errors;

    throw error;
  }

  return data;
};