getHeader method

String? getHeader(
  1. String key, {
  2. String? def,
})

Implementation

String? getHeader(String key, {String? def}) {
  var val = headers[key];
  if (val != null) return val;

  key = key.trim();

  for (var k in headers.keys) {
    if (equalsIgnoreAsciiCase(k, key)) {
      return headers[k];
    }
  }

  return def;
}