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Adding DDC module system targets to web SDK artifacts. #47783
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I don't see any reason not to do this, especially if it helps move us toward improved hot reload support. WDYT @yjbanov ? |
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auto label is removed for flutter/engine/47783, due to - The status or check suite Linux mac_unopt has failed. Please fix the issues identified (or deflake) before re-applying this label. |
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…142202) flutter/engine@4880592...499ed00 2024-01-25 skia-flutter-autoroll@skia.org Roll Skia from 3b7accdf8ed8 to 571873c31056 (1 revision) (flutter/engine#50026) 2024-01-25 jonahwilliams@google.com [Impeller] round up subpass coverage when it is close to (and smaller) than root pass size. (flutter/engine#49925) 2024-01-25 mzhou620@gmail.com Adding DDC module system targets to web SDK artifacts. (flutter/engine#47783) 2024-01-25 hasan@hasali.dev [Windows] Set cursor immediately when framework requests update (flutter/engine#49784) 2024-01-25 737941+loic-sharma@users.noreply.github.com [Windows] Introduce `egl::Surface` and `egl::WindowSurface` (flutter/engine#49983) 2024-01-25 skia-flutter-autoroll@skia.org Roll Skia from 588caf1ceddd to 3b7accdf8ed8 (1 revision) (flutter/engine#50025) If this roll has caused a breakage, revert this CL and stop the roller using the controls here: https://autoroll.skia.org/r/flutter-engine-flutter-autoroll Please CC jacksongardner@google.com,rmistry@google.com,zra@google.com on the revert to ensure that a human is aware of the problem. To file a bug in Flutter: https://github.com/flutter/flutter/issues/new/choose To report a problem with the AutoRoller itself, please file a bug: https://issues.skia.org/issues/new?component=1389291&template=1850622 Documentation for the AutoRoller is here: https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md
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…#141423) ### Context: DDC modules are abstractions over how libraries are loaded/updated. The entirety of google3 uses the DDC/legacy module system due to its flexibility extensibility over the other two (ES6 and AMD/RequireJS). Unifying DDC's module system saves us from duplicating work and will allow us to have finer grained control over how JS modules are loaded. This is a a prerequisite to features such as hot reload. ### Overview: This change plumbs a boolean flag through flutter_tools that switches between DDC (new) and AMD (current) modules. This mode is automatically applied when `--extra-front-end-options=--dartdevc-module-format=ddc` is specified alongside `flutter run`. Other important additions include: * Splitting Flutter artifacts between DDC and AMD modules * Adding unit tests for the DDC module system * Additional bootstrapper logic for the DDC module system We don't expect to see any user-visible behavior or performance differences. This is dependent on [incoming module system support in DWDS](dart-lang/webdev#2295) and [additional artifacts in the engine](flutter/engine#47783). This is part of a greater effort to deprecate the AMD module system: dart-lang/sdk#52361
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This is part of an ongoing effort to replace DDC's module system in Flutter Web (for hot reload support).
Side effects of this change include doubling the code generated by DDC whenever this build pathway is hit (until the full module system transition lands), but this shouldn't affect debug performance. We may be able to lock this behind a build flag if this is an issue.
See related issue: dart-lang/sdk#52361