static Future start()

in frontend_server_client/lib/src/frontend_server_client.dart [43:99]
53 lines of code
10 McCabe index (conditional complexity)

  static Future<FrontendServerClient> start(
    String entrypoint,
    String outputDillPath,
    String platformKernel, {
    String dartdevcModuleFormat = 'amd',
    bool debug = false,
    List<String>? enabledExperiments,
    bool enableHttpUris = false,
    List<String> fileSystemRoots = const [], // For `fileSystemScheme` uris,
    String fileSystemScheme =
        'org-dartlang-root', // Custom scheme for virtual `fileSystemRoots`.
    String? frontendServerPath, // Defaults to the snapshot in the sdk.
    String packagesJson = '.dart_tool/package_config.json',
    String? sdkRoot, // Defaults to the current SDK root.
    String target = 'vm', // The kernel target type.
    bool verbose = false, // Verbose logs, including server/client messages
    bool printIncrementalDependencies = true,
  }) async {
    var feServer = await Process.start(Platform.resolvedExecutable, [
      if (debug) '--observe',
      frontendServerPath ?? _feServerPath,
      '--sdk-root',
      sdkRoot ?? sdkDir,
      '--platform=$platformKernel',
      '--target=$target',
      if (target == 'dartdevc')
        '--dartdevc-module-format=$dartdevcModuleFormat',
      for (var root in fileSystemRoots) '--filesystem-root=$root',
      '--filesystem-scheme',
      fileSystemScheme,
      '--output-dill',
      outputDillPath,
      '--packages=$packagesJson',
      if (enableHttpUris) '--enable-http-uris',
      '--incremental',
      if (verbose) '--verbose',
      if (!printIncrementalDependencies) '--no-print-incremental-dependencies',
      if (enabledExperiments != null)
        for (var experiment in enabledExperiments)
          '--enable-experiment=$experiment',
    ]);
    var feServerStdoutLines = StreamQueue(feServer.stdout
        .transform(utf8.decoder)
        .transform(const LineSplitter()));

    // The frontend_server doesn't appear to recursively create files, so we
    //  need to make sure the output dir already exists.
    var outputDir = Directory(p.dirname(outputDillPath));
    if (!await outputDir.exists()) await outputDir.create();

    return FrontendServerClient._(
      entrypoint,
      feServer,
      feServerStdoutLines,
      verbose: verbose,
    );
  }