The bbox object to check
let bbox = { sw: { x: 10, y: 10 }, ne: { x: 12, y: 12 } }
// The following instruction will not throw an error
JMap.Geometry.checkBbox(bbox)
bbox = { sw: { x: 10, y: 10 } } // missing "ne" attribute
// The following instruction will throw an error
JMap.Geometry.checkBbox(bbox)
JMap.Geometry.checkBbox
Throw an error if the provided parameter is not a valid boundary box.