void write()

in lib/src/packages_file.dart [158:200]

• 40 lines of code
• 11 McCabe index (conditional complexity)

void write(StringSink output, PackageConfig config,
    {Uri? baseUri, String? comment}) {
  if (baseUri != null && !baseUri.isAbsolute) {
    throw PackageConfigArgumentError(baseUri, 'baseUri', 'Must be absolute');
  }

  if (comment != null) {
    var lines = comment.split('\n');
    if (lines.last.isEmpty) lines.removeLast();
    for (var commentLine in lines) {
      output.write('# ');
      output.writeln(commentLine);
    }
  } else {
    output.write('# generated by package:package_config at ');
    output.write(DateTime.now());
    output.writeln();
  }
  for (var package in config.packages) {
    var packageName = package.name;
    var uri = package.packageUriRoot;
    // Validate packageName.
    if (!isValidPackageName(packageName)) {
      throw PackageConfigArgumentError(
          config, 'config', '"$packageName" is not a valid package name');
    }
    if (uri.scheme == 'package') {
      throw PackageConfigArgumentError(
          config, 'config', 'Package location must not be a package URI: $uri');
    }
    output.write(packageName);
    output.write(':');
    // If baseUri is provided, make the URI relative to baseUri.
    if (baseUri != null) {
      uri = relativizeUri(uri, baseUri)!;
    }
    if (!uri.path.endsWith('/')) {
      uri = uri.replace(path: uri.path + '/');
    }
    output.write(uri);
    output.writeln();
  }
}