Convert ge0 codes from MAPS.ME to decimal coordinates. Port from PHP to Javascript from https://github.com/mapsme/ge0_url_decoder.
via NPM: https://www.npmjs.com/package/mapsme-ge0
npm install mapsme-ge0
var mapsmeGe0 = require('mapsme-ge0');
var coordinates = mapsmeGe0.decode('B4srhdHVVt');
console.log(coordinates);
// Output: { lat: 64.5234, lon: 12.1234, zoom: 4.25 }