Function connect

lib/internal/http2/core.js:3592–3669

(authority, options, listener)

}

function connect(authority, options, listener) {
  if (typeof options === 'function') {
    listener = options;
    options = undefined;
  }

  assertIsObject(options, 'options');
  options = { ...options };

  let { maxOriginSetSize } = options;
  if (maxOriginSetSize != null) {
    validateNumber(maxOriginSetSize, 'options.maxOriginSetSize', 0);
  } else {
    maxOriginSetSize = 128;
  }

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

  if (typeof authority === 'string')
    authority = new URL(authority);

  assertIsObject(authority, 'authority', ['string', 'Object', 'URL']);

  const protocol = authority.protocol || options.protocol || 'https:';
  const port = '' + (authority.port !== '' ?
    authority.port : (authority.protocol === 'http:' ? 80 : 443));
  let host = 'localhost';

  if (authority.hostname) {
    host = authority.hostname;

    if (host[0] === '[')
      host = host.slice(1, -1);
  } else if (authority.host) {
    host = authority.host;
  }

  let socket;
  if (typeof options.createConnection === 'function') {
    socket = options.createConnection(authority, options);
  } else {
    switch (protocol) {
      case 'http:':
        socket = net.connect({ port, host, ...options });