calcContentLength method
Implementation
int calcContentLength(Map<String, dynamic> headers) {
var value = headers.entries
.firstWhereOrNull(
(element) => element.key.toLowerCase() == 'content-length',
)
?.value;
if (value is String) {
return int.tryParse(value) ?? 0;
}
if (value is List && value.isNotEmpty) {
return int.tryParse(value.first) ?? 0;
}
return 0;
}