blob: 1b0c407891b6f81bb0f54b91eeb55d78e72b7da6 [file] [log] [blame]
// 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:async';
import '../base/common.dart';
import '../base/process.dart';
import '../dart/sdk.dart';
import '../runner/flutter_command.dart';
class FormatCommand extends FlutterCommand {
FormatCommand() {
argParser.addFlag('dry-run',
abbr: 'n',
help: 'Show which files would be modified but make no changes.',
defaultsTo: false,
negatable: false,
);
argParser.addFlag('set-exit-if-changed',
help: 'Return exit code 1 if there are any formatting changes.',
defaultsTo: false,
negatable: false,
);
argParser.addFlag('machine',
abbr: 'm',
help: 'Produce machine-readable JSON output.',
defaultsTo: false,
negatable: false,
);
}
@override
final String name = 'format';
@override
List<String> get aliases => const <String>['dartfmt'];
@override
final String description = 'Format one or more dart files.';
@override
Future<Set<DevelopmentArtifact>> get requiredArtifacts async => const <DevelopmentArtifact>{
DevelopmentArtifact.universal,
};
@override
String get invocation => '${runner.executableName} $name <one or more paths>';
@override
Future<FlutterCommandResult> runCommand() async {
if (argResults.rest.isEmpty) {
throwToolExit(
'No files specified to be formatted.\n'
'\n'
'To format all files in the current directory tree:\n'
'${runner.executableName} $name .\n'
'\n'
'$usage'
);
}
final String dartfmt = sdkBinaryName('dartfmt');
final List<String> command = <String>[dartfmt];
if (argResults['dry-run']) {
command.add('-n');
}
if (argResults['machine']) {
command.add('-m');
}
if (!argResults['dry-run'] && !argResults['machine']) {
command.add('-w');
}
if (argResults['set-exit-if-changed']) {
command.add('--set-exit-if-changed');
}
command..addAll(argResults.rest);
final int result = await runCommandAndStreamOutput(command);
if (result != 0)
throwToolExit('Formatting failed: $result', exitCode: result);
return null;
}
}