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[ Widget Previews ] Add support for detecting previews and generating code #161911
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… code `flutter widget-preview start` will now look for functions annotated with `@Preview()` within the developer's project. These functions will be used to generate `.dart_tool/widget_preview_scaffold/lib/generated_preview.dart`, which inserts the returned value from each preview function into a `List<WidgetPreview>` returned from a `previews()` method that is invoked by the widget preview scaffold root.
andrewkolos
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LGTM with nitpicks
| String get name => 'start'; | ||
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| late final PreviewDetector _previewDetector = PreviewDetector( | ||
| logger: globals.logger, |
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Turbo nit: I've noticed that we use injection instead of referencing globals for some commands (e.g. DriveCommand) but not others. For the sake of consistency, should we be using injection here as well (and keep the necessary reference to globals within executable.dart)?
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Yeah, that's a good call. There's a lot of usages of globals already in this file, so I've added a TODO to follow up on this in a later PR.
packages/flutter_tools/test/general.shard/widget_preview/preview_code_generator_test.dart
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reason for revert: Mid-air collision with another Flutter tool update. |
…enerating code (#161911)" (#162327) <!-- start_original_pr_link --> Reverts: #161911 <!-- end_original_pr_link --> <!-- start_initiating_author --> Initiated by: matanlurey <!-- end_initiating_author --> <!-- start_revert_reason --> Reason for reverting: Mid-air collision with another Flutter tool update. <!-- end_revert_reason --> <!-- start_original_pr_author --> Original PR Author: bkonyi <!-- end_original_pr_author --> <!-- start_reviewers --> Reviewed By: {andrewkolos} <!-- end_reviewers --> <!-- start_revert_body --> This change reverts the following previous change: `flutter widget-preview start` will now look for functions annotated with `@Preview()` within the developer's project. These functions will be used to generate `.dart_tool/widget_preview_scaffold/lib/generated_preview.dart`, which inserts the returned value from each preview function into a `List<WidgetPreview>` returned from a `previews()` method that is invoked by the widget preview scaffold root. **Example generated_preview.dart:** ```dart // ignore_for_file: no_leading_underscores_for_library_prefixes import 'package:foo/foo.dart' as _i1; import 'package:foo/src/bar.dart' as _i2; import 'package:widget_preview/widget_preview.dart'; List<WidgetPreview> previews() => [_i1.preview(), _i2.barPreview1(), _i2.barPreview2()]; ``` <!-- end_revert_body --> Co-authored-by: auto-submit[bot] <[email protected]>
Roll Flutter from c1ffaa9 to b007899 (43 revisions) flutter/flutter@c1ffaa9...b007899 2025-01-29 [email protected] Fix `Tab` linear and elastic animation blink (flutter/flutter#162315) 2025-01-29 [email protected] Pass-through `textInputAction` in `DropdownMenu` (flutter/flutter#162309) 2025-01-29 [email protected] Fix scrollUntilVisible in WidgetTester (flutter/flutter#159582) 2025-01-29 [email protected] Pass-through `maxLines` in `DropdownMenu` (flutter/flutter#161903) 2025-01-29 [email protected] fix: appbar leading width is not square for custom toolbar height (flutter/flutter#161880) 2025-01-29 [email protected] [DisplayList] Don't call Skia Ganesh methods when its not available. (flutter/flutter#162345) 2025-01-29 [email protected] Update README.md to include googler post verification steps (flutter/flutter#162272) 2025-01-29 [email protected] [engine, web] return switch expressions in many places (flutter/flutter#162336) 2025-01-29 [email protected] Update README.md to not have engine link for android (flutter/flutter#162330) 2025-01-29 [email protected] Reland "[ Widget Previews ] Add support for detecting previews and generating code (#161911)"" (flutter/flutter#162337) 2025-01-29 [email protected] Add instructions to download the Gradle wrapper to FGP readme, and add to gitignore (flutter/flutter#162332) 2025-01-29 [email protected] Fix tests to prepare for `--explicit-package-dependencies` and a bug. (flutter/flutter#162289) 2025-01-29 [email protected] Add a currently unused `runs_in_merge_queue` property to `Linux analyze`. (flutter/flutter#162335) 2025-01-28 98614782+auto-submit[bot]@users.noreply.github.com Reverts "[ Widget Previews ] Add support for detecting previews and generating code (#161911)" (flutter/flutter#162327) 2025-01-28 [email protected] Support hot restart for DDC library bundle format (flutter/flutter#162123) 2025-01-28 [email protected] Started adjusting uvs to match pixel snapping. (flutter/flutter#162049) 2025-01-28 [email protected] Refactor code inside flutter.groovy (flutter/flutter#160250) 2025-01-28 [email protected] Table implements redepth (flutter/flutter#162282) 2025-01-28 [email protected] [ Widget Previews ] Add support for detecting previews and generating code (flutter/flutter#161911) 2025-01-28 [email protected] remove dependency on `Usage` from `Pub` class (flutter/flutter#162279) 2025-01-28 [email protected] Roll Packages from 258f6dc to 02c6fef (6 revisions) (flutter/flutter#162313) 2025-01-28 [email protected] Remove `scenario_app/android` and rename to `ios_scenario_app`. (flutter/flutter#160992) 2025-01-28 [email protected] Apparently it is illegal to use `stderr` in this project. (flutter/flutter#162294) 2025-01-28 [email protected] Fix update_engine_version_test in presence of FLUTTER_PREBUILT_ENGINE_VERSION env vars. (flutter/flutter#162270) 2025-01-28 [email protected] Add missing `properties: ...` and move to presubmit. (flutter/flutter#162170) 2025-01-27 [email protected] [Impeller] make swapchain related external fence/semaphore extensions optional. (flutter/flutter#162205) 2025-01-27 49699333+dependabot[bot]@users.noreply.github.com Bump the all-github-actions group with 2 updates (flutter/flutter#162277) 2025-01-27 [email protected] Don't depend on Dart from FML. (flutter/flutter#162271) 2025-01-27 [email protected] [DisplayList] Move nested canvas enums into their own TU. (flutter/flutter#162037) 2025-01-27 [email protected] Avoid iOS text selection crash by returning nil range (flutter/flutter#161996) 2025-01-27 [email protected] fix `felt` link to point to flutter repo instead of the engine repo (flutter/flutter#161423) 2025-01-27 [email protected] Enable the Android Engine OpenGLES/Vulkan suites. (flutter/flutter#162258) 2025-01-27 [email protected] [canvaskit] Fix debug build for CanvasKit (flutter/flutter#162198) 2025-01-27 [email protected] Roll Packages from 3d3ab7b to 258f6dc (19 revisions) (flutter/flutter#162254) 2025-01-25 [email protected] Pin `customer_testing` to the SHA specified in `tests.version` (flutter/flutter#162048) 2025-01-25 [email protected] Formalize `update_engine_version.{sh|ps1}`. (flutter/flutter#162118) 2025-01-25 [email protected] Rename 'SelectionChangedCause.scribble' to 'SelectionChangedCause.stylusHandwriting' (flutter/flutter#161518) 2025-01-25 [email protected] Don't install xcode when doing `local_engine` web builds on mac. (flutter/flutter#162164) 2025-01-25 [email protected] Force Impeller backend for `android_engine_test`, and test both OpenGLES and Vulkan (flutter/flutter#162089) 2025-01-24 [email protected] [Impeller] when a command pool has many unused buffers, reset with release resources flag. (flutter/flutter#162171) 2025-01-24 [email protected] [web] Remove HTML renderer from framework tests (flutter/flutter#162038) 2025-01-24 [email protected] [Impeller] Skip clip entity replay that cannot impact current clip. (flutter/flutter#162113) 2025-01-24 [email protected] Update Android integration test package for newer AGP (flutter/flutter#161856) If this roll has caused a breakage, revert this CL and stop the roller using the controls here: ...
Roll Flutter from c1ffaa9 to b007899 (43 revisions) flutter/flutter@c1ffaa9...b007899 2025-01-29 [email protected] Fix `Tab` linear and elastic animation blink (flutter/flutter#162315) 2025-01-29 [email protected] Pass-through `textInputAction` in `DropdownMenu` (flutter/flutter#162309) 2025-01-29 [email protected] Fix scrollUntilVisible in WidgetTester (flutter/flutter#159582) 2025-01-29 [email protected] Pass-through `maxLines` in `DropdownMenu` (flutter/flutter#161903) 2025-01-29 [email protected] fix: appbar leading width is not square for custom toolbar height (flutter/flutter#161880) 2025-01-29 [email protected] [DisplayList] Don't call Skia Ganesh methods when its not available. (flutter/flutter#162345) 2025-01-29 [email protected] Update README.md to include googler post verification steps (flutter/flutter#162272) 2025-01-29 [email protected] [engine, web] return switch expressions in many places (flutter/flutter#162336) 2025-01-29 [email protected] Update README.md to not have engine link for android (flutter/flutter#162330) 2025-01-29 [email protected] Reland "[ Widget Previews ] Add support for detecting previews and generating code (#161911)"" (flutter/flutter#162337) 2025-01-29 [email protected] Add instructions to download the Gradle wrapper to FGP readme, and add to gitignore (flutter/flutter#162332) 2025-01-29 [email protected] Fix tests to prepare for `--explicit-package-dependencies` and a bug. (flutter/flutter#162289) 2025-01-29 [email protected] Add a currently unused `runs_in_merge_queue` property to `Linux analyze`. (flutter/flutter#162335) 2025-01-28 98614782+auto-submit[bot]@users.noreply.github.com Reverts "[ Widget Previews ] Add support for detecting previews and generating code (#161911)" (flutter/flutter#162327) 2025-01-28 [email protected] Support hot restart for DDC library bundle format (flutter/flutter#162123) 2025-01-28 [email protected] Started adjusting uvs to match pixel snapping. (flutter/flutter#162049) 2025-01-28 [email protected] Refactor code inside flutter.groovy (flutter/flutter#160250) 2025-01-28 [email protected] Table implements redepth (flutter/flutter#162282) 2025-01-28 [email protected] [ Widget Previews ] Add support for detecting previews and generating code (flutter/flutter#161911) 2025-01-28 [email protected] remove dependency on `Usage` from `Pub` class (flutter/flutter#162279) 2025-01-28 [email protected] Roll Packages from 258f6dc to 02c6fef (6 revisions) (flutter/flutter#162313) 2025-01-28 [email protected] Remove `scenario_app/android` and rename to `ios_scenario_app`. (flutter/flutter#160992) 2025-01-28 [email protected] Apparently it is illegal to use `stderr` in this project. (flutter/flutter#162294) 2025-01-28 [email protected] Fix update_engine_version_test in presence of FLUTTER_PREBUILT_ENGINE_VERSION env vars. (flutter/flutter#162270) 2025-01-28 [email protected] Add missing `properties: ...` and move to presubmit. (flutter/flutter#162170) 2025-01-27 [email protected] [Impeller] make swapchain related external fence/semaphore extensions optional. (flutter/flutter#162205) 2025-01-27 49699333+dependabot[bot]@users.noreply.github.com Bump the all-github-actions group with 2 updates (flutter/flutter#162277) 2025-01-27 [email protected] Don't depend on Dart from FML. (flutter/flutter#162271) 2025-01-27 [email protected] [DisplayList] Move nested canvas enums into their own TU. (flutter/flutter#162037) 2025-01-27 [email protected] Avoid iOS text selection crash by returning nil range (flutter/flutter#161996) 2025-01-27 [email protected] fix `felt` link to point to flutter repo instead of the engine repo (flutter/flutter#161423) 2025-01-27 [email protected] Enable the Android Engine OpenGLES/Vulkan suites. (flutter/flutter#162258) 2025-01-27 [email protected] [canvaskit] Fix debug build for CanvasKit (flutter/flutter#162198) 2025-01-27 [email protected] Roll Packages from 3d3ab7b to 258f6dc (19 revisions) (flutter/flutter#162254) 2025-01-25 [email protected] Pin `customer_testing` to the SHA specified in `tests.version` (flutter/flutter#162048) 2025-01-25 [email protected] Formalize `update_engine_version.{sh|ps1}`. (flutter/flutter#162118) 2025-01-25 [email protected] Rename 'SelectionChangedCause.scribble' to 'SelectionChangedCause.stylusHandwriting' (flutter/flutter#161518) 2025-01-25 [email protected] Don't install xcode when doing `local_engine` web builds on mac. (flutter/flutter#162164) 2025-01-25 [email protected] Force Impeller backend for `android_engine_test`, and test both OpenGLES and Vulkan (flutter/flutter#162089) 2025-01-24 [email protected] [Impeller] when a command pool has many unused buffers, reset with release resources flag. (flutter/flutter#162171) 2025-01-24 [email protected] [web] Remove HTML renderer from framework tests (flutter/flutter#162038) 2025-01-24 [email protected] [Impeller] Skip clip entity replay that cannot impact current clip. (flutter/flutter#162113) 2025-01-24 [email protected] Update Android integration test package for newer AGP (flutter/flutter#161856) If this roll has caused a breakage, revert this CL and stop the roller using the controls here: ...
Roll Flutter from c1ffaa9 to b007899 (43 revisions) flutter/flutter@c1ffaa9...b007899 2025-01-29 [email protected] Fix `Tab` linear and elastic animation blink (flutter/flutter#162315) 2025-01-29 [email protected] Pass-through `textInputAction` in `DropdownMenu` (flutter/flutter#162309) 2025-01-29 [email protected] Fix scrollUntilVisible in WidgetTester (flutter/flutter#159582) 2025-01-29 [email protected] Pass-through `maxLines` in `DropdownMenu` (flutter/flutter#161903) 2025-01-29 [email protected] fix: appbar leading width is not square for custom toolbar height (flutter/flutter#161880) 2025-01-29 [email protected] [DisplayList] Don't call Skia Ganesh methods when its not available. (flutter/flutter#162345) 2025-01-29 [email protected] Update README.md to include googler post verification steps (flutter/flutter#162272) 2025-01-29 [email protected] [engine, web] return switch expressions in many places (flutter/flutter#162336) 2025-01-29 [email protected] Update README.md to not have engine link for android (flutter/flutter#162330) 2025-01-29 [email protected] Reland "[ Widget Previews ] Add support for detecting previews and generating code (#161911)"" (flutter/flutter#162337) 2025-01-29 [email protected] Add instructions to download the Gradle wrapper to FGP readme, and add to gitignore (flutter/flutter#162332) 2025-01-29 [email protected] Fix tests to prepare for `--explicit-package-dependencies` and a bug. (flutter/flutter#162289) 2025-01-29 [email protected] Add a currently unused `runs_in_merge_queue` property to `Linux analyze`. (flutter/flutter#162335) 2025-01-28 98614782+auto-submit[bot]@users.noreply.github.com Reverts "[ Widget Previews ] Add support for detecting previews and generating code (#161911)" (flutter/flutter#162327) 2025-01-28 [email protected] Support hot restart for DDC library bundle format (flutter/flutter#162123) 2025-01-28 [email protected] Started adjusting uvs to match pixel snapping. (flutter/flutter#162049) 2025-01-28 [email protected] Refactor code inside flutter.groovy (flutter/flutter#160250) 2025-01-28 [email protected] Table implements redepth (flutter/flutter#162282) 2025-01-28 [email protected] [ Widget Previews ] Add support for detecting previews and generating code (flutter/flutter#161911) 2025-01-28 [email protected] remove dependency on `Usage` from `Pub` class (flutter/flutter#162279) 2025-01-28 [email protected] Roll Packages from 258f6dc to 02c6fef (6 revisions) (flutter/flutter#162313) 2025-01-28 [email protected] Remove `scenario_app/android` and rename to `ios_scenario_app`. (flutter/flutter#160992) 2025-01-28 [email protected] Apparently it is illegal to use `stderr` in this project. (flutter/flutter#162294) 2025-01-28 [email protected] Fix update_engine_version_test in presence of FLUTTER_PREBUILT_ENGINE_VERSION env vars. (flutter/flutter#162270) 2025-01-28 [email protected] Add missing `properties: ...` and move to presubmit. (flutter/flutter#162170) 2025-01-27 [email protected] [Impeller] make swapchain related external fence/semaphore extensions optional. (flutter/flutter#162205) 2025-01-27 49699333+dependabot[bot]@users.noreply.github.com Bump the all-github-actions group with 2 updates (flutter/flutter#162277) 2025-01-27 [email protected] Don't depend on Dart from FML. (flutter/flutter#162271) 2025-01-27 [email protected] [DisplayList] Move nested canvas enums into their own TU. (flutter/flutter#162037) 2025-01-27 [email protected] Avoid iOS text selection crash by returning nil range (flutter/flutter#161996) 2025-01-27 [email protected] fix `felt` link to point to flutter repo instead of the engine repo (flutter/flutter#161423) 2025-01-27 [email protected] Enable the Android Engine OpenGLES/Vulkan suites. (flutter/flutter#162258) 2025-01-27 [email protected] [canvaskit] Fix debug build for CanvasKit (flutter/flutter#162198) 2025-01-27 [email protected] Roll Packages from 3d3ab7b to 258f6dc (19 revisions) (flutter/flutter#162254) 2025-01-25 [email protected] Pin `customer_testing` to the SHA specified in `tests.version` (flutter/flutter#162048) 2025-01-25 [email protected] Formalize `update_engine_version.{sh|ps1}`. (flutter/flutter#162118) 2025-01-25 [email protected] Rename 'SelectionChangedCause.scribble' to 'SelectionChangedCause.stylusHandwriting' (flutter/flutter#161518) 2025-01-25 [email protected] Don't install xcode when doing `local_engine` web builds on mac. (flutter/flutter#162164) 2025-01-25 [email protected] Force Impeller backend for `android_engine_test`, and test both OpenGLES and Vulkan (flutter/flutter#162089) 2025-01-24 [email protected] [Impeller] when a command pool has many unused buffers, reset with release resources flag. (flutter/flutter#162171) 2025-01-24 [email protected] [web] Remove HTML renderer from framework tests (flutter/flutter#162038) 2025-01-24 [email protected] [Impeller] Skip clip entity replay that cannot impact current clip. (flutter/flutter#162113) 2025-01-24 [email protected] Update Android integration test package for newer AGP (flutter/flutter#161856) If this roll has caused a breakage, revert this CL and stop the roller using the controls here: ...
flutter widget-preview startwill now look for functions annotated with@Preview()within the developer's project. These functions will be used to generate.dart_tool/widget_preview_scaffold/lib/generated_preview.dart, which inserts the returned value from each preview function into aList<WidgetPreview>returned from apreviews()method that is invoked by the widget preview scaffold root.Example generated_preview.dart: