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aa90dbe7f4
Disables source map production by default for build web. For web builds performed as a part of flutter run --release, enable the source maps, or allow force enabling with --source-maps command line flag. fixes #67328
103 lines
3.3 KiB
Dart
103 lines
3.3 KiB
Dart
// Copyright 2014 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:meta/meta.dart';
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import '../base/common.dart';
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import '../build_info.dart';
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import '../build_system/targets/web.dart';
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import '../features.dart';
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import '../project.dart';
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import '../runner/flutter_command.dart'
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show DevelopmentArtifact, FlutterCommandResult;
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import '../web/compile.dart';
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import 'build.dart';
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class BuildWebCommand extends BuildSubCommand {
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BuildWebCommand({
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@required bool verboseHelp,
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}) {
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addTreeShakeIconsFlag(enabledByDefault: false);
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usesTargetOption();
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usesPubOption();
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addBuildModeFlags(excludeDebug: true);
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usesDartDefineOption();
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addEnableExperimentation(hide: !verboseHelp);
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addNullSafetyModeOptions(hide: !verboseHelp);
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argParser.addFlag('web-initialize-platform',
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defaultsTo: true,
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negatable: true,
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hide: true,
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help: 'Whether to automatically invoke webOnlyInitializePlatform.',
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);
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argParser.addFlag('csp',
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defaultsTo: false,
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negatable: false,
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help: 'Disable dynamic generation of code in the generated output. '
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'This is necessary to satisfy CSP restrictions (see http://www.w3.org/TR/CSP/).'
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);
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argParser.addFlag(
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'source-maps',
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defaultsTo: false,
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help: 'Whether to generate a sourcemap file. These can be used by browsers '
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'To view and debug the original source code of a compiled and minified Dart '
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'application. Defaults to false (no sourcemaps produced).'
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);
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argParser.addOption('pwa-strategy',
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defaultsTo: kOfflineFirst,
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help:
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'The caching strategy to be used by the PWA service worker.\n'
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'offline-first will attempt to cache the app shell eagerly and '
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'then lazily cache all subsequent assets as they are loaded. When '
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'making a network request for an asset, the offline cache will be '
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'preferred.\n'
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'none will generate a service worker with no body. This is useful for '
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'local testing or in cases where the service worker caching functionality '
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'is not desirable',
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allowed: <String>[
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kOfflineFirst,
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kNoneWorker,
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]
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);
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}
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@override
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Future<Set<DevelopmentArtifact>> get requiredArtifacts async =>
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const <DevelopmentArtifact>{
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DevelopmentArtifact.web,
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};
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@override
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final String name = 'web';
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@override
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bool get hidden => !featureFlags.isWebEnabled;
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@override
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final String description = 'Build a web application bundle.';
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@override
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Future<FlutterCommandResult> runCommand() async {
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if (!featureFlags.isWebEnabled) {
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throwToolExit('"build web" is not currently supported.');
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}
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final FlutterProject flutterProject = FlutterProject.current();
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final String target = stringArg('target');
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final BuildInfo buildInfo = getBuildInfo();
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if (buildInfo.isDebug) {
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throwToolExit('debug builds cannot be built directly for the web. Try using "flutter run"');
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}
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await buildWeb(
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flutterProject,
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target,
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buildInfo,
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boolArg('web-initialize-platform'),
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boolArg('csp'),
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stringArg('pwa-strategy'),
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boolArg('source-maps')
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);
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return FlutterCommandResult.success();
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}
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}
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