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10486b0ceb
common.dart is a large-and-growing file containing all shared code, which makes it hard to navigate. To make maintenance easier, this splits the file (and its test file) into separate files for each major component or category.
70 lines
1.9 KiB
Dart
70 lines
1.9 KiB
Dart
// Copyright 2013 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'package:colorize/colorize.dart';
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import 'package:file/file.dart';
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import 'package:yaml/yaml.dart';
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/// The signature for a print handler for commands that allow overriding the
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/// print destination.
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typedef Print = void Function(Object? object);
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/// Key for windows platform.
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const String kPlatformFlagWindows = 'windows';
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/// Key for macos platform.
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const String kPlatformFlagMacos = 'macos';
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/// Key for linux platform.
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const String kPlatformFlagLinux = 'linux';
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/// Key for IPA (iOS) platform.
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const String kPlatformFlagIos = 'ios';
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/// Key for APK (Android) platform.
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const String kPlatformFlagAndroid = 'android';
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/// Key for Web platform.
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const String kPlatformFlagWeb = 'web';
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/// Key for enable experiment.
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const String kEnableExperiment = 'enable-experiment';
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/// Returns whether the given directory contains a Flutter package.
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bool isFlutterPackage(FileSystemEntity entity) {
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if (entity is! Directory) {
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return false;
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}
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try {
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final File pubspecFile = entity.childFile('pubspec.yaml');
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final YamlMap pubspecYaml =
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loadYaml(pubspecFile.readAsStringSync()) as YamlMap;
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final YamlMap? dependencies = pubspecYaml['dependencies'] as YamlMap?;
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if (dependencies == null) {
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return false;
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}
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return dependencies.containsKey('flutter');
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} on FileSystemException {
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return false;
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} on YamlException {
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return false;
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}
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}
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/// Prints `errorMessage` in red.
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void printError(String errorMessage) {
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final Colorize redError = Colorize(errorMessage)..red();
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print(redError);
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}
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/// Error thrown when a command needs to exit with a non-zero exit code.
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class ToolExit extends Error {
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/// Creates a tool exit with the given [exitCode].
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ToolExit(this.exitCode);
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/// The code that the process should exit with.
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final int exitCode;
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}
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