Generate Random Markers

random-markers.js

function generateMarkers(fromCoordinate) {
  const result = [];
  const {latitude, longitude} = fromCoordinate;
  for (let i = 0; i < 10; i++) {
    let id = Math.ceil(Math.random() * 10000);
    const newMarker = {
      coordinate: {
        latitude: latitude + (Math.random() - 0.5) * (LATITUDE_DELTA / 2),
        longitude: longitude + (Math.random() - 0.5) * (LONGITUDE_DELTA / 2),
      },
      key: `foo-${id + i}`,
    };
    result.push(newMarker);
  }
  return result;
}