portToJson function
Implementation
Object portToJson(Port value) {
if (value.single != null) {
return value.single as int;
}
if (value.range != null) {
final r = value.range!;
return '${r.$1}-${r.$2}';
}
if (value.env != null) return 'env:${value.env}';
throw FormatException("Port value is not defined");
}