flutter build web: allow passing experiment flags

[nulideaqian]

Steps to reproduce

execute flutter build web --enable-experiment=macros --wasm

Expected results

build success

Actual results

Target dart2wasm failed: ProcessException: Process exited abnormally with exit code 64:
Could not find an option named "enable-experiment".

Usage: dart compile wasm [arguments] <dart entry point>
-h, --help                  Print this usage information.
-o, --output                Write the output to <file name>.
                            This can be an absolute or relative path.
-v, --verbose               Print debug output during compilation
    --enable-asserts        Enable assert statements.
-D, --define=<key=value>    Define an environment declaration. To specify multiple declarations, use multiple options or use
commas to separate key-value pairs.
                            For example: dart compile wasm -Da=1,b=2 main.dart

Run "dart help" to see global options.
  Command: D:\software\flutter\bin\cache\dart-sdk\bin\dart.exe compile wasm --packages=.dart_tool/package_config.json
  --extra-compiler-option=--dart-sdk=D:\software\flutter\bin\cache\dart-sdk
  --extra-compiler-option=--platform=D:\software\flutter\bin\cache\flutter_web_sdk\kernel\dart2wasm_platform.dill
  --extra-compiler-option=--delete-tostring-package-uri=dart:ui
  --extra-compiler-option=--delete-tostring-package-uri=package:flutter --extra-compiler-option=--import-shared-memory
  --extra-compiler-option=--shared-memory-max-pages=32768 -Ddart.vm.product=true --enable-experiment=macros
  -DFLUTTER_WEB_CANVASKIT_URL=https://www.gstatic.com/flutter-canvaskit/d35a1a603c80e8b310ed89ccc1525c3cbc81e19d/
  -DFLUTTER_WEB_AUTO_DETECT=false -DFLUTTER_WEB_USE_SKIA=false -DFLUTTER_WEB_USE_SKWASM=true
  --extra-compiler-option=--depfile=E:\code\csdn_git\schedule-self\schedule-self-client\.dart_tool\flutter_build\2b270b379f2f7e
  b6fc453ef01b7cfc4c\dart2wasm.d -O4 --no-name-section -o
  E:\code\csdn_git\schedule-self\schedule-self-client\.dart_tool\flutter_build\2b270b379f2f7eb6fc453ef01b7cfc4c\main.dart.wasm
  E:\code\csdn_git\schedule-self\schedule-self-client\.dart_tool\flutter_build\2b270b379f2f7eb6fc453ef01b7cfc4c\main.dart
#0      RunResult.throwException (package:flutter_tools/src/base/process.dart:122:5)
#1      _DefaultProcessUtils.run (package:flutter_tools/src/base/process.dart:318:19)
<asynchronous suspension>
#2      Dart2WasmTarget.build (package:flutter_tools/src/build_system/targets/web.dart:329:5)
<asynchronous suspension>
#3      _BuildInstance._invokeInternal (package:flutter_tools/src/build_system/build_system.dart:867:9)
<asynchronous suspension>
#4      Future.wait.<anonymous closure> (dart:async/future.dart:534:21)
<asynchronous suspension>
#5      _BuildInstance.invokeTarget (package:flutter_tools/src/build_system/build_system.dart:805:32)
<asynchronous suspension>
#6      Future.wait.<anonymous closure> (dart:async/future.dart:534:21)
<asynchronous suspension>
#7      _BuildInstance.invokeTarget (package:flutter_tools/src/build_system/build_system.dart:805:32)
<asynchronous suspension>
#8      FlutterBuildSystem.build (package:flutter_tools/src/build_system/build_system.dart:634:16)
<asynchronous suspension>
#9      WebBuilder.buildWeb (package:flutter_tools/src/web/compile.dart:92:34)
<asynchronous suspension>
#10     BuildWebCommand.runCommand (package:flutter_tools/src/commands/build_web.dart:230:5)
<asynchronous suspension>
#11     FlutterCommand.run.<anonymous closure> (package:flutter_tools/src/runner/flutter_command.dart:1393:27)
<asynchronous suspension>
#12     AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:153:19)
<asynchronous suspension>
#13     CommandRunner.runCommand (package:args/command_runner.dart:212:13)
<asynchronous suspension>
#14     FlutterCommandRunner.runCommand.<anonymous closure> (package:flutter_tools/src/runner/flutter_command_runner.dart:372:9)
<asynchronous suspension>
#15     AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:153:19)
<asynchronous suspension>
#16     FlutterCommandRunner.runCommand (package:flutter_tools/src/runner/flutter_command_runner.dart:308:5)
<asynchronous suspension>
#17     run.<anonymous closure>.<anonymous closure> (package:flutter_tools/runner.dart:130:9)
<asynchronous suspension>
#18     AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:153:19)
<asynchronous suspension>
#19     main (package:flutter_tools/executable.dart:93:3)
<asynchronous suspension>

Compiling lib\main.dart for the Web...                             428ms
Error: Failed to compile application for the Web.

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Flutter Doctor output

[✓] Flutter (Channel master, 3.22.0-35.0.pre.10, on Microsoft Windows [版本 10.0.22631.3593], locale zh-CN)
• Flutter version 3.22.0-35.0.pre.10 on channel master at D:\software\flutter
• Upstream repository https://github.com/flutter/flutter.git
• Framework revision ddd6c86 (17 hours ago), 2024-05-14 22:00:17 -0400
• Engine revision d35a1a603c
• Dart version 3.5.0 (build 3.5.0-154.0.dev)
• DevTools version 2.36.0-dev.5
• Pub download mirror https://pub.flutter-io.cn
• Flutter download mirror https://storage.flutter-io.cn

[✓] Windows Version (Installed version of Windows is version 10 or higher)

[✓] Android toolchain - develop for Android devices (Android SDK version 34.0.0)
• Android SDK at D:\software\repository\android\sdk
• Platform android-34, build-tools 34.0.0
• ANDROID_HOME = D:\software\repository\android\sdk
• Java binary at: D:\Users\justd\AppData\Local\Programs\Android Studio\jbr\bin\java
• Java version OpenJDK Runtime Environment (build 17.0.10+0--11572160)
• All Android licenses accepted.

[✓] Chrome - develop for the web
• Chrome at C:\Program Files\Google\Chrome\Application\chrome.exe

[✓] Visual Studio - develop Windows apps (Visual Studio Community 2022 17.7.5)
• Visual Studio at D:\Program Files\Microsoft Visual Studio\2022\Community
• Visual Studio Community 2022 version 17.7.34202.233
• Windows 10 SDK version 10.0.22621.0

[✓] Android Studio (version 2023.3)
• Android Studio at D:\Users\justd\AppData\Local\Programs\Android Studio
• Flutter plugin can be installed from:
🔨 https://plugins.jetbrains.com/plugin/9212-flutter
• Dart plugin can be installed from:
🔨 https://plugins.jetbrains.com/plugin/6351-dart
• Java version OpenJDK Runtime Environment (build 17.0.10+0--11572160)

[✓] IntelliJ IDEA Ultimate Edition (version 2024.1)
• IntelliJ at D:\Users\justd\AppData\Local\Programs\IntelliJ IDEA Ultimate
• Flutter plugin can be installed from:
🔨 https://plugins.jetbrains.com/plugin/9212-flutter
• Dart plugin can be installed from:
🔨 https://plugins.jetbrains.com/plugin/6351-dart

[✓] Connected device (3 available)
• Windows (desktop) • windows • windows-x64 • Microsoft Windows [版本 10.0.22631.3593]
• Chrome (web) • chrome • web-javascript • Google Chrome 124.0.6367.158
• Edge (web) • edge • web-javascript • Microsoft Edge 124.0.2478.97

[✓] Network resources
• All expected network resources are available.

• No issues found!

[johnpryan]

I think we should move this to dart-lang/sdk, since this seems like an issue with dart2wasm.

[darshankawar]

Closing from here. @nulideaqian Please file this in https://github.com/dart-lang/sdk/issues

[kevmoo]

See https://dart-review.googlesource.com/c/sdk/+/366820

[github-actions]

This thread has been automatically locked since there has not been any recent activity after it was closed. If you are still experiencing a similar issue, please open a new bug, including the output of flutter doctor -v and a minimal reproduction of the issue.