Function initializeOptions

lib/internal/http2/core.js:3358–3413

(options)

}

function initializeOptions(options) {
  assertIsObject(options, 'options');
  options = { ...options };
  assertIsObject(options.settings, 'options.settings');
  options.settings = { ...options.settings };

  assertIsArray(options.remoteCustomSettings, 'options.remoteCustomSettings');
  if (options.remoteCustomSettings) {
    options.remoteCustomSettings = [ ...options.remoteCustomSettings ];
    if (options.remoteCustomSettings.length > MAX_ADDITIONAL_SETTINGS)
      throw new ERR_HTTP2_TOO_MANY_CUSTOM_SETTINGS();
  }

  if (options.maxSessionInvalidFrames !== undefined)
    validateUint32(options.maxSessionInvalidFrames, 'options.maxSessionInvalidFrames');

  if (options.maxSessionRejectedStreams !== undefined) {
    validateUint32(
      options.maxSessionRejectedStreams,
      'options.maxSessionRejectedStreams',
    );
  }

  if (options.unknownProtocolTimeout !== undefined)
    validateUint32(options.unknownProtocolTimeout, 'options.unknownProtocolTimeout');
  else
    // TODO(danbev): is this a good default value?
    options.unknownProtocolTimeout = 10000;

  if (options.strictSingleValueFields !== undefined) {
    validateBoolean(
      options.strictSingleValueFields,
      'options.strictSingleValueFields',
    );
  } else {
    options.strictSingleValueFields = true;
  }


  // Initialize http1Options bag for HTTP/1 fallback when allowHTTP1 is true.
  // This bag is passed to storeHTTPOptions() to configure HTTP/1 server
  // behavior (timeouts, IncomingMessage/ServerResponse classes, etc.).
  options.http1Options = { ...options.http1Options };

  // Backward compat: migrate deprecated top-level Http1 options (DEP0201)
  if (options.Http1IncomingMessage !== undefined) {
    options.http1Options.IncomingMessage ??= options.Http1IncomingMessage;
  }
  if (options.Http1ServerResponse !== undefined) {
    options.http1Options.ServerResponse ??= options.Http1ServerResponse;
  }

  options.Http2ServerRequest ||= Http2ServerRequest;
  options.Http2ServerResponse ||= Http2ServerResponse;
  return options;
}

function initializeTLSOptions(options, servername) {