shelf_static 1.2.0

Static file server support for the shelf package and ecosystem.

example/example.dart

// Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

import 'dart:io';
import 'package:args/args.dart';
import 'package:shelf/shelf.dart' as shelf;
import 'package:shelf/shelf_io.dart' as io;
import 'package:shelf_static/shelf_static.dart';

void main(List<String> args) {
  final parser = _getParser();

  int port;
  bool logging;
  bool listDirectories;

  try {
    final result = parser.parse(args);
    port = int.parse(result.option('port')!);
    logging = result.flag('logging');
    listDirectories = result.flag('list-directories');
  } on FormatException catch (e) {
    stderr
      ..writeln(e.message)
      ..writeln(parser.usage);
    // http://linux.die.net/include/sysexits.h
    // #define EX_USAGE	64	/* command line usage error */
    exitCode = 64;
    return;
  }

  if (!FileSystemEntity.isFileSync('example/example.dart')) {
    throw StateError(
      'Server expects to be started the '
      'root of the project.',
    );
  }
  var pipeline = const shelf.Pipeline();

  if (logging) {
    pipeline = pipeline.addMiddleware(shelf.logRequests());
  }

  String? defaultDoc = _defaultDoc;
  if (listDirectories) {
    defaultDoc = null;
  }

  final handler = pipeline.addHandler(
    createStaticHandler(
      'example/files',
      defaultDocument: defaultDoc,
      listDirectories: listDirectories,
    ),
  );

  io.serve(handler, 'localhost', port).then((server) {
    print('Serving at http://${server.address.host}:${server.port}');
  });
}

ArgParser _getParser() => ArgParser()
  ..addFlag('logging', abbr: 'l', defaultsTo: true)
  ..addOption('port', abbr: 'p', defaultsTo: '8080')
  ..addFlag(
    'list-directories',
    abbr: 'f',
    negatable: false,
    help:
        'List the files in the source directory instead of serving the '
        'default document - "$_defaultDoc".',
  );

const _defaultDoc = 'index.html';