code: function fromString(str) {
    let 
      tmp = str.match(regexLatLon),
      converted = null;
  
    // Format: "latitude, longitude"
    if (tmp !== null) {
      converted = toCoordinate(tmp[1], tmp[2]);
    }
    // Format: "<geohash>"
    else if (regexGeohash.test(str)) {
      tmp = geohash.decode(str);
      converted = toCoordinate(tmp.latitude, tmp.longitude);
    }
  
    return converted;
  }
docs: Converts a geopoint from a string description
  
  @param  {string} str
  @return {Coordinate}