payloadBorder function

JsonMap payloadBorder({
  1. JsonMap? top,
  2. JsonMap? right,
  3. JsonMap? bottom,
  4. JsonMap? left,
})

Sparse Border payload; omits absent sides.

Implementation

JsonMap payloadBorder({
  JsonMap? top,
  JsonMap? right,
  JsonMap? bottom,
  JsonMap? left,
}) {
  return {'top': ?top, 'right': ?right, 'bottom': ?bottom, 'left': ?left};
}