webdev/lib/src/util.dart

// Copyright (c) 2018, 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:path/path.dart' as p;
import 'package:pub_semver/pub_semver.dart';

final supportedBuildRunnerVersionRange = new VersionRange(
    min: new Version(0, 8, 0),
    includeMin: true,
    max: new Version(0, 9, 0),
    includeMax: false);

/// The path to the root directory of the SDK.
final String _sdkDir = (() {
  // The Dart executable is in "/path/to/sdk/bin/dart", so two levels up is
  // "/path/to/sdk".
  var aboveExecutable = p.dirname(p.dirname(Platform.resolvedExecutable));
  assert(FileSystemEntity.isFileSync(p.join(aboveExecutable, 'version')));
  return aboveExecutable;
})();

final String dartPath =
    p.join(_sdkDir, 'bin', Platform.isWindows ? 'dart.exe' : 'dart');
final String pubPath =
    p.join(_sdkDir, 'bin', Platform.isWindows ? 'pub.bat' : 'pub');