protocol !== 'file:' &&
    protocol !== 'data:' &&
    protocol !== 'node:' &&
    (
      !experimentalNetworkImports ||
      (
        protocol !== 'https:' &&
        protocol !== 'http:'
      )
    )
  ) {
    const schemes = ['file', 'data', 'node'];
    if (experimentalNetworkImports) {
      ArrayPrototypePush(schemes, 'https', 'http');
    }
    throw new ERR_UNSUPPORTED_ESM_URL_SCHEME(parsed, schemes);
  }
}

/**
 * For a falsy `format` returned from `load`, throw an error.
 * This could happen from either a custom user loader _or_ from the default loader, because the default loader tries to
 * determine formats for data URLs.
 * @param {string} url The resolved URL of the module
 * @param {null | undefined | false | 0 | -0 | 0n | ''} format Falsy format returned from `load`
 */
function throwUnknownModuleFormat(url, format) {
  const dataUrl = RegExpPrototypeExec(
    /^data:([^/]+\/[^;,]+)(?:[^,]*?)(;base64)?,/,
    url,
  );

  throw new ERR_UNKNOWN_MODULE_FORMAT(
    dataUrl ? dataUrl[1] : format,
    url);
}


module.exports = {
  defaultLoad,
  throwUnknownModuleFormat,
};