packages/flutter_tools/lib/src/commands/clean.dart

// Copyright 2017 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:async';

import '../base/common.dart';
import '../base/file_system.dart';
import '../build_info.dart';
import '../globals.dart';
import '../project.dart';
import '../runner/flutter_command.dart';

class CleanCommand extends FlutterCommand {
  CleanCommand() {
    requiresPubspecYaml();
  }

  @override
  final String name = 'clean';

  @override
  final String description = 'Delete the build/ and .dart_tool/ directories.';

  @override
  Future<Set<DevelopmentArtifact>> get requiredArtifacts async => const <DevelopmentArtifact>{};

  @override
  Future<FlutterCommandResult> runCommand() async {
    final FlutterProject flutterProject = FlutterProject.current();
    final Directory buildDir = fs.directory(getBuildDirectory());

    printStatus("Deleting '${buildDir.path}${fs.path.separator}'.");
    if (buildDir.existsSync()) {
      try {
        buildDir.deleteSync(recursive: true);
      } catch (error) {
        throwToolExit(error.toString());
      }
    }

    printStatus("Deleting '${flutterProject.dartTool.path}${fs.path.separator}'.");
    if (flutterProject.dartTool.existsSync()) {
      try {
        flutterProject.dartTool.deleteSync(recursive: true);
      } catch (error) {
        throwToolExit(error.toString());
      }
    }
    return const FlutterCommandResult(ExitStatus.success);
  }
}