dart-which/lib/which.dart

33 lines
1.1 KiB
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.
library which;
import 'dart:async';
import 'dart:io';
import 'src/candidate_paths.dart';
import 'src/is_executable.dart';
import 'src/which_impl.dart' as impl;
/// Returns a future for the first [command] executable in the `PATH`.
///
/// If [command] is not found, [orElse] is called, which defaults to throwing.
Future<String> which(String command, { orElse() }) => new Future(() => impl.which(
command,
getRealCandidatePaths(command),
Platform.isWindows,
(path, isWindows) => isExecutable(path, isWindows, FileStat.stat),
orElse));
/// Returns the first [command] executable in the `PATH`.
///
/// If [command] is not found, [orElse] is called, which defaults to throwing.
String whichSync(String command, { orElse() }) => impl.whichSync(
command,
getRealCandidatePaths(command),
Platform.isWindows,
(path, isWindows) => isExecutableSync(path, isWindows, FileStat.statSync),
orElse);