fromRequestOptions static method

String fromRequestOptions(RequestOptions options)

Implementation

static String fromRequestOptions(RequestOptions options) {
  final buffer = StringBuffer('curl -X ${options.method}');

  final headers = <String, dynamic>{...options.headers};

  final contentType = options.contentType;
  if (contentType != null &&
      !headers.keys.any(
        (k) => k.toLowerCase() == Headers.contentTypeHeader,
      )) {
    headers[Headers.contentTypeHeader] = contentType;
  }

  // Dart HttpClient defaults — never present on RequestOptions.
  // Only added on native (dart:io); browsers set their own.
  if (!kIsWeb) {
    headers.putIfAbsent(
      HttpHeaders.userAgentHeader,
      () => 'Dart/${Platform.version.split(' ').first} (dart:io)',
    );
    headers.putIfAbsent(HttpHeaders.acceptEncodingHeader, () => 'gzip');
    headers.putIfAbsent(HttpHeaders.hostHeader, () => _hostHeader(options.uri));
  }

  headers.forEach((key, value) {
    if (value == null) return;
    // Dio may store multi-value headers (e.g. Cookie) as a List.
    final headerValue = value is Iterable
        ? value.map((e) => e.toString()).join('; ')
        : value.toString();
    buffer.write(
      " -H '${_escapeShell(key)}: ${_escapeShell(headerValue)}'",
    );
  });

  if (options.data != null) {
    if (options.data is FormData) {
      _writeFormData(buffer, options.data as FormData);
    } else {
      final body = _encodeBody(options.data);
      buffer.write(" --data '${_escapeShell(body)}'");
    }
  }

  buffer.write(" '${options.uri}'");
  return buffer.toString();
}