normalizeHeaders method

Map<String, dynamic> normalizeHeaders(
  1. Map<String, dynamic> headers
)

Implementation

Map<String, dynamic> normalizeHeaders(Map<String, dynamic> headers) {
  return headers.map((key, value) {
    if (value is String) {
      return MapEntry(key.toLowerCase(), value.toLowerCase());
    }
    return MapEntry(key.toLowerCase(), value);
  });
}