mapbox-gl-draw/src/lib/map_event_to_bounding_box.js

/**
 * Returns a bounding box representing the event's location.
 *
 * @param {Event} mapEvent - Mapbox GL JS map event, with a point properties.
 * @return {Array<Array<number>>} Bounding box.
 */
function mapEventToBoundingBox(mapEvent, buffer = 0) {
  return [
    [mapEvent.point.x - buffer, mapEvent.point.y - buffer],
    [mapEvent.point.x + buffer, mapEvent.point.y + buffer]
  ];
}

module.exports = mapEventToBoundingBox;