build_web_compilers changelog

4.3.0 #

When both wasm and js builds are enabled you can now add force_js=true to the URL in your browser to load the js build.

4.2.4 #

Allow Dart SDK 3.10.x and 3.11 prerelease.

4.2.3 #

Allow build 4.0.0.

4.2.2 #

Documentation revamp.

4.2.1 #

Remove unused deps: build_config.
Allow analyzer 8.0.0.

4.2.0 #

Allow build 3.0.0.

4.1.6 #

Allow Dart SDK 3.9.x and 3.10 prerelease.

4.1.5 #

Remove dependency on the deprecated package:js.

4.1.4 #

Allow Dart SDK 3.8.x and 3.9 prerelease.

4.1.3 #

Fixed WebAssembly detection logic.

4.1.2 #

Bump the min SDK to 3.7.0.
Use build_test 3.0.0.
Use support-detection scripts emitted by dart2wasm.

4.1.1 #

Support 3.8.0 pre-release sdks.

4.1.0 #

Support package:archive version 4.x.
Allow analyzer version 7.x.
Bump the min sdk to 3.6.0.

4.1.0-beta.3 #

Support 3.7.0 pre-release sdks.

4.1.0-beta.2 #

Add source maps for dart2wasm builds.

4.1.0-beta.1 #

Fix loading compiled modules from subdirectories.
Stop using deprecated wasm loader functions.

4.1.0-beta.0 #

Support compiling to WebAssembly by using dart2wasm as a value for the compiler option.
Support compiling with multiple compilers (e.g. dart2js and dart2wasm) with a new compilers option.
Account for dartdevc snapshot in the Dart SDK changing to an AOT snapshot.
Bump the min sdk to 3.6.0-165.0.dev.

4.0.11 #

Bump the min sdk to 3.5.0-259.0.dev.
Allow version 3.6.x of the Dart SDK.

4.0.10 #

Allow version 3.5.x of the Dart SDK.

4.0.9 #

Support latest version of package:js.
Allow dart:_js_annotations on web platforms.

4.0.8 #

Allow version 3.4.x of the Dart SDK.

4.0.7 #

Support dart:js_interop_unsafe.
Require Dart 3.1 or greater.

4.0.6 #

Allow version 3.3.x of the Dart SDK.

4.0.5 #

Allow version 3.2.x of the Dart SDK.

4.0.4 #

Allow the latest analyzer (6.x.x).
Add the canary option for build_web_compilers:ddc and build_web_compilers:sdk_jsbuilders to enable canary features in DDC. This setting is disabled by default but can be enabled by setting it to true globally:

global_options:
  build_web_compilers:ddc:
    options:
      canary: true
  build_web_compilers:sdk_js:
    options:
      canary: true

4.0.3 #

Support Dart 3.1 releases.

4.0.2 #

Allow the compiler to choose the default for the native null assertions option when one is not explicitly provided.

4.0.1 #

Add support for dart:js_interop.

4.0.0 #

Require Dart 3.0.
- Drop support for unsound null safety.
- Drop support for null asserts (irrelevant with sound null safety).
Mention JSON formatting in error message about dart2js args.

3.2.7 #

Migrate off deprecated analyzer apis.
Update min sdk constraint to 2.18.0.
Expand the pubspec description.

3.2.6 #

Allow the latest package:analyzer.

3.2.5 #

Use a standalone process to compile the ddc sdk.js file.

3.2.4 #

Use dart compile js instead of running dart2js from its sdk snapshot.

3.2.3 #

Allow analyzer 4.x.

3.2.2 #

Allow the latest analyzer.

3.2.1 #

Fix enable-experiment flag support for dartdevc to also pass experiment flags to dartdevc as well as kernel.
Add deprecation warning for the old experiments config.
Update pub run references to dart run.
Fix doctor command warnings for this package.

3.2.0 #

Allow analyzer version 2.x.x.

3.1.0 #

Add the emit-debug-symbols option for the build_web_compilers:ddc builder. The debug symbols output is used by the debugger in webdev for variable inspection. This setting is disabled by default but can be enabled by setting it to true globally:

global_options:
  build_web_compilers:ddc:
    options:
      emit-debug-symbols: true

Update min SDK constraint to 2.14.0-216.0.dev

3.0.0 #

Migrate to null safety.
Update to the latest build_modules.
Drop support for skipPlatformCheckPackages.

2.16.5 #

Update to build 2.x.
Update to scratch_space 1.x.

2.16.4 #

Update analyzer to 1.x.
Update glob to 2.x.

2.16.3 #

Allow the null safety pre-release of bazel_worker.

2.16.2 #

Allow the null safety pre-release of logging.

2.16.1 #

Allow the latest archive version 3.x.x.

2.16.0 #

Enable native null assertions by default.

2.15.3 #

Allow the latest analyzer version 0.41.x.

2.15.2 #

Fix stack trace mapping for sound mode DDC tests and dart2js apps.

2.15.1 #

Fix DDC sound mode apps to load the sound mode sdk, and only require the compiled sdk dependency that it will actually use.

2.15.0 #

Add some warnings for manual dart2js args that should be configured using explicit options, and add back dart2js argument logging which was accidentally removed.

2.14.0 #

Strip scratch directory paths from a new metadata field fullKernelUri.

2.13.0 #

Add native_null_asserts boolean option to the build_web_compilers:entrypoint builder. This is disabled by default but will be enabled by default in a later release.

2.12.3 #

Fix handling of explicit sound_null_safety option for dart2js compiles.

2.12.2 #

Fix parsing of environment config for DDC when using a bool or numeric value.
Add sound_null_safety and null_assertions boolean options to the build_web_compilers|entrypoint builder.

2.12.1 #

Require build_modules version ^3.0.0.

2.12.0 #

Support sound null safety in ddc/dart2js, based on the standard entrypoint detection (enable null safety if the entrypoint opts in).
Update dart2js support to enable experiments if provided, and use a multi-root scheme for non-package uris.
Require build version >=1.5.0.

2.12.0-dev.3 #

Fix stripping scratch paths in metadata.

2.12.0-dev.2 #

Add the generate-full-dill option for the build_web_compilers:ddc builder. The full dill output is used by expression evaluation service in webdev for expression evaluation feature. This setting is disabled by default but can be enabled by setting it to true globally:

global_options:
  build_web_compilers:ddc:
    options:
      generate-full-dill: true

2.12.0-dev.1 #

Update build_web_compilers|ddc builder to produce a .metadata file.
Update build_web_compilers|entrypoint builder to produce a .ddc_merged_metadata file which consists of new line separated .metadata content produced by DDC.
Migrate off of deprecated analyzer apis.
Allow the latest analyzer version 0.40.x.

2.11.0 #

Deprecated support for the experiments configuration in favor of the general mechanism exposed by the build package(exposed through the --enable-experiment flag to match other Dart tools).

2.10.0 #

Pass the package_config.json file when compiling with ddc/dart2js instead of the .packages file.

2.9.0 #

Add support for enabling experiments through the experiments option on the build_web_compilers|ddc builder. This must be configured globally.
- This is a list of experiment names, which translates into --enable-experiment=<name> arguments.

2.8.0 #

Enable asserts in dev mode with dart2js by default.

2.7.2 #

Fix a bug with hot restart, #2586.

2.7.1 #

Allow analyzer version 0.39.x.

2.7.0 #

Added an environment option to the DevCompilerBuilder.
- This can be configured using the environment option of the build_web_compilers|ddc builder.
- The expected value is a Map<String, String> and is equivalent to providing -D<key>=<value> command line arguments.
- This option should only be set globally, and will throw if it ever recieves two different values. This is to ensure all modules are compiled with the same environment.

2.6.4 #

Deobfuscate DDC extension method stack traces.

2.6.3 #

Enforce builder application ordering between the SDK JS copy builder and the DDC entrypoint builder.

2.6.2 #

Fix the skipPlatformCheck option which was accidentally doing the opposite of what it claimed.

2.6.1 #

Use the kernel version of dart_sdk.js rather than the analyzer version.

2.6.0 #

Add an option to globally skip the platform checks instead of only skipping them for a set of allowed packages.

2.5.2 #

Republish of 2.5.0 with the proper min sdk contraint.

2.5.1 #

Bug fix for issue #2464 #

Ignore the trackUnusedInputs option that was added in 2.5.0.

This option will be respected again in the next release which will have the proper minimum sdk constraint.

2.5.0 #

Add support for dependency pruning to the DevCompilerBuilder. This should greatly improve the invalidation semantics for builds, meaning that less code will be recompiled for each edit you make.

This is enabled by default when using build_runner, and can be disabled using the track-unused-inputs: false option if you run into issues, so in your build.yaml it would look like this:

targets:
  $default:
    build_web_compilers:ddc:
      options:
        track-unused-inputs: false

When using the builder programatically it is disabled by default and can be enabled by passing trackUnusedInputs: true to the DevCompilerBuilder constructor.

2.4.1 #

Make the required assets for DDC applications configurable in the bootstrapDdc method instead of hard coded. This allows custom integrations like flutter web to not require the same assets, or require additional custom assets.

2.4.0 #

New Feature: Better --build-filter support for building a single test. #

You can now build a basic app or test in isolation by only requesting the *.dart.js file using a build filter, for example adding this argument to any build_runner command would build the web/main.dart app only: --build-filter=web/main.dart.js.

For tests you will need to specify the bootstrapped test file, so: --build-filter=test/hello_world.dart.browser_test.dart.js.

Previously you also had to explicitly require the SDK resources like: --build-filter="package:build_web_compilers/**.js" or similar.

Note: If your app relies on any non-Dart generated files you will likely have to ask for those explicitly as well with additinal filters.

2.3.0 #

Add an option to the DDC bootstrap to skip the checks around modules that have imports to unsupported SDK libraries like dart:io when the module is from a specified package. This is not used in the default build, but is available for custom DDC integrations.

2.2.3 #

Allow analyzer version 0.38.0.

2.2.2 #

Re-publish 2.2.0 with proper minimum sdk constraint of >=2.4.0.

2.2.1 #

Revert of bad 2.2.0 release (had a bad min sdk).

2.2.0 #

Make librariesPath configurable in DevCompilerBuilder.

2.1.5 #

Add pre-emptive support for an upcoming breaking change in ddc around entrypoint naming.

2.1.4 #

Allow analyzer version 0.37.0.

2.1.3 #

Improve error message when dart2js_args is configured improperly.

2.1.2 #

Fix hot restart bootstrapping logic for dart scripts that live in a different directory than the html file.

2.1.1 #

Prepare for source map change from dartdevc, don't modify relative paths in source maps.
Fix hot reload bootstrap logic for app entrypoints under lib.

2.1.0 #

Make platformSdk, sdkKernelPath, and platform configurable in DevCompilerBuilder.

2.0.2 #

Prepare for the next sdk release, which changes what the uris look like for non-package sources, and breaks our existing hot restart logic.

2.0.1 #

Fix issue #2269, which could cause applications to fail to properly bootstrap.
Skip compiling modules with ddc when the primary source isn't the primary input (only shows up in non-lazy builds - essentially just tests).

2.0.0 #

Major Update - Switch to use the common front end. #

In this release, the Dart front end for the dev_compiler is changing from the analyzer to the common front end. This should unify error messages and general consistency across platforms, as this was one of the last compilers left still using the analyzer as a front end.

While this is intended to be a transparent change, it is likely that there will be unintended differences. Please file issues if you experience something that seems broken or not working as intended.

Major Update - Auto-detection of web support for applications #

Previously, all files with a main that were matched by the input globs would attempt to compile for the web. This caused an issue when there were non-web applications in the default directories, which specifically happens a lot in the test directory. Resolving this required custom globs in build.yaml files.

Two changes were made to help handle this issue more gracefully, in a way that often doesn't require custom build.yaml files any more.

Before compiling any app, build_web_compilers will check that all its transitive modules are compatible with the web (based on their dart: imports).
- Today we will log a warning message for any app that isn't compatible, as ultimately it is most efficient to exclude these using globs in your build.yaml than waiting for us to detect it. This may change based on feedback.
Changed the default glob for the test directory to only include the test/**.dart.browser_test.dart files (other dirs remain unchanged).
- Note that as a result of this, serving the test dir and running tests that way no longer works, as those entrypoints won't be compiled. You would need to configure the generate_for to explicitly include test/**_test.dart to restore that functionality (we will continue pushing on this in the future though to restore similar functionality).
- Also note that the build_test package will now output <platform>_test.dart files based on your TestOn annotations, so using those where possible will help reduce build platform support warnings as well.

Additional Notes #

Update to run DDC in kernel mode, and consume kernel outlines instead of analyzer summaries.
Skip trying to compile apps that import known incompatible libraries.
Increased the upper bound for package:analyzer to <0.37.0.
Removed support for build_root_app_summary configuration option.
Combine the ddc_kernel and ddc workers under a single name (ddc).
By default only .dart.browser_test.dart files will be compiled under the test directory, instead of all _test.dart files.
- If you used the previous test debugging workflow in the browser you can restore the old behavior with something like the following in your build.yaml:

targets:
  $default:
    builders:
      build_web_compilers|entrypoint:
        generate_for:
        - test/**_test.dart
        - web/**.dart

Added the use-incremental-compiler option for the build_web_compilers:ddc builder. This is enabled by default but can be disabled if running into build issues by setting it to false globally:

global_options:
  build_web_compilers:ddc:
    options:
      use-incremental-compiler: false

This package now makes its own copy of the dart_sdk.js and require.js files, which it deletes during production builds.
- In a future build_runner release we will be deleting the entire $sdk package to resolve some issues with build output bloat.
- If you are using dartdevc as your production compiler, you will need to disable the cleanup builder in build.yaml (globally) like this:

global_options:
  build_web_compilers|sdk_js_cleanup:
    release_options:
      enabled: false

1.2.2 #

Allow build_config 0.4.x.

1.2.1 #

Allow analyzer version 0.36.x.

1.2.0 #

Add a marker to inject code before the application main method is called.
During a hot restart we will now clear all statics before re-invoking main.

1.1.0 #

Output a .digests file which contains transitive digests for an entrypoint.

1.0.2 #

Improved the time tracking for ddc actions by not reporting time spent waiting for a worker to be available.

1.0.1 #

Increased the upper bound for package:analyzer to <0.36.0.

1.0.0 #

Removed the enable_sync_async and ignore_cast_failures options for the build_web_compilers|entrypoint builder. These will no longer have any effect and will give a build time warning if you try to use them.

0.4.4+3 #

Increased the upper bound for package:analyzer to <0.35.0.

0.4.4+2 #

Support package:analyzer version 0.33.x.

0.4.4+1 #

Support package:build_modules version 1.x.x.

0.4.4 #

Track performance of different builder stages.

0.4.3+1 #

Removed dependency on cli_util.
Fix error in require.js error handling code

0.4.3 #

Only call window.postMessage during initialization if the current context is a Window.
Fixed an error while showing stack traces for DDC generated scripts when <base> tag is used.
Value of <base href="/.../"> tag should start and end with a / to be used as the base url for require js.
Added more javascript code to dev bootstrap for hot-reloading support
Support the latest build_modules.

0.4.2+2 #

Add magic comment marker for build_runner to know where to inject live-reloading client code. This is only present when using the dartdevc compiler. (reapplied)

0.4.2+1 #

Restore new keyword for a working release on Dart 1 VM.

0.4.2 #

Add magic comment marker for build_runner to know where to inject live-reloading client code. This is only present when using the dartdevc compiler.
Release broken on Dart 1 VM.

0.4.1 #

Support the latest build_modules, with updated dart2js support so that it can do multiple builds concurrently and will restart workers periodically to mitigate the effects of dart-lang/sdk#33708.
Improvements to reduce the memory usage of the dart2js builder, so that transitive dependency information can be garbage collected before the dart2js compile is completed.
Increased the upper bound for the sdk to <3.0.0.

0.4.0+5 #

Fixed an issue where subdirectories with hyphens in the name weren't bootstrapped properly in dartdevc.

0.4.0+4 #

Expand support for package:build_config to include version 0.3.x.

0.4.0+3 #

Expand support for package:archive to include version 2.x.x.

0.4.0+2 #

Fix a dart2 error.

0.4.0+1 #

Support package:analyzer 0.32.0.

0.4.0 #

Changed the default for enable_sync_async to true for the build_web_compilers|entrypoint builder.
Changed the default for ignore_cast_failures to false for the build_web_compilers|entrypoint builder.

0.3.8 #

Remove .dart sources and .js.map files from the output directory in release mode.
Clean up .tar.gz outputs produced by Dart2Js.
Don't output extra Dart2Js outputs other than deferred part files.
Fixed a logical error in dartdevc compiler to detect correct base url for require js.
Added a enable_sync_async option to the build_web_compilers|entrypoint builder, which defaults to false.

0.3.7+3 #

The dartdevc compiler now respects the <base href="/...."> tags and will set them as the base url for require js.

0.3.7+2 #

Fix sdk stack trace folding in the browser console and package:test.

0.3.7+1 #

Add missing dependency on the pool package.

0.3.7 #

Reduce memory usage by requesting (and lazily building) lower level modules first when building for an entrypoint.

0.3.6 #

Add support for compiling with dart2js by default in release mode.

0.3.5 #

Don't ignore cast failures by default. We expect most code to be clean with cast failures, and the option can be manually enabled with config.

0.3.4+2 #

Create .packages file and use the new frontend with dart2js.

0.3.4+1 #

Use --use-old-frontend with dart2js as a stopgap until we can add support for .packages files.

0.3.4 #

Added support for dart2js deferred loading.
Added support for bootstrapping code in web workers with dartdevc.

0.3.3 #

Added support for --dump-info and the dart2js compiler. If you pass that argument with dart2js_args the .info.json file will be copied the output.

0.3.2 #

Dart2JS now has minification (--minify) enabled by default, similar to how it worked in pub build. If you are adding custom dart2js options, make sure you still keep the --minify flag. Here is an example:

targets:
  $default:
    builders:
      build_web_compilers|entrypoint:
        generate_for:
        - web/**.dart
        options:
          compiler: dart2js
          dart2js_args:
          - --fast-startup
          - --minify
          - --trust-type-annotations
          - --trust-primitives

0.3.1 #

Cast failures will now be ignored in dartdevc by default (these were enabled in the latest sdk), and added an ignore_cast_failures option to the build_web_compilers|entrypoint builder which you can set to true to enable them.
- At some point in the future it is expected that the default for this will flip.

0.3.0+1 #

Fixed an issue with dart2js and the --no-source-maps flag.

0.3.0 #

Breaking changes #

Split ModuleBuilder, UnlinkedSummaryBuilder and LinkedSummaryBuilder into a separate build_modules package.

0.2.1+1 #

Support the latest analyzer package.

0.2.1 #

All dart files under test are now compiled by default instead of only the _browser_test.dart files (minus vm/node test bootstrap files). This means the original tests can be debugged directly (prior to package:test bootstrapping).
Updated to package:build version 0.12.0.

0.2.0 #

New Features #

Added support for dart2js. This can be configured using the top level compiler option for the build_web_compilers|entrypoint builder. The supported options are dartdevc (the default) and dart2js. Args can be passed to dart2js using the dart2js_args option. For example:

targets:
  <my_package>:
    builders:
      build_web_compilers|entrypoint:
        options:
          compiler: dart2js
          dart2js_args:
          - --minify

Breaking Changes #

Renamed ddc_bootstrap builder to entrypoint, the exposed class also changed from DevCompilerBootstrapBuilder to WebEntrypointBuilder.
Renamed jsBootstrapExtension to ddcBootstrapExtension since it is only required when using the dev compiler.

0.1.1 #

Mark ddc_bootstrap builder with build_to: cache.
Publish as build_web_compilers

0.1.0 #

Add builder factories.
Fixed temp dir cleanup bug on windows.
Enabled support for running tests in --precompiled mode.

0.0.1 #

Initial release with support for building analyzer summaries and DDC modules.

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