50 lines
1.5 KiB
Dart
50 lines
1.5 KiB
Dart
// Copyright 2016 The Chromium Authors. 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:package_config/packages_file.dart' as packages_file;
|
|
import 'package:path/path.dart' as path;
|
|
|
|
const String kPackagesFileName = '.packages';
|
|
|
|
Map<String, Uri> _parse(String packagesPath) {
|
|
List<int> source = new File(packagesPath).readAsBytesSync();
|
|
return packages_file.parse(source, new Uri.file(packagesPath));
|
|
}
|
|
|
|
class PackageMap {
|
|
PackageMap(this.packagesPath);
|
|
|
|
static String get globalPackagesPath => _globalPackagesPath ?? kPackagesFileName;
|
|
|
|
static set globalPackagesPath(String value) {
|
|
_globalPackagesPath = value;
|
|
}
|
|
|
|
static bool get isUsingCustomPackagesPath => _globalPackagesPath != null;
|
|
|
|
static String _globalPackagesPath;
|
|
|
|
final String packagesPath;
|
|
|
|
Map<String, Uri> get map {
|
|
_map ??= _parse(packagesPath);
|
|
return _map;
|
|
}
|
|
Map<String, Uri> _map;
|
|
|
|
String checkValid() {
|
|
if (FileSystemEntity.isFileSync(packagesPath))
|
|
return null;
|
|
String message = '$packagesPath does not exist.';
|
|
String pubspecPath = path.absolute(path.dirname(packagesPath), 'pubspec.yaml');
|
|
if (FileSystemEntity.isFileSync(pubspecPath))
|
|
message += '\nDid you run "flutter packages get" in this directory?';
|
|
else
|
|
message += '\nDid you run this command from the same directory as your pubspec.yaml file?';
|
|
return message;
|
|
}
|
|
}
|