positioned_scroll_observer 2.2.1 
positioned_scroll_observer: ^2.2.1 copied to clipboard
simonwang.devAn elegant scroll observer that support most scroll views could jump/animateToIndex without breaking current widgets.
We analyzed this package 21 days ago, and awarded it 90 pub points (of a possible 160):
10/10 points: Provide a valid pubspec.yaml
5/5 points: Provide a valid README.md
5/5 points: Provide a valid CHANGELOG.md
10/10 points: Use an OSI-approved license
Detected license: MIT.
10/10 points: 20% or more of the public API has dartdoc comments
146 out of 241 API elements (60.6 %) have documentation comments.
Some symbols that are missing documentation: positioned_scroll_observer, positioned_scroll_observer.BoxObserverProxy, positioned_scroll_observer.BoxObserverProxy.BoxObserverProxy.new, positioned_scroll_observer.BoxObserverProxy.observer, positioned_scroll_observer.BoxScrollObserver.BoxScrollObserver.new.
10/10 points: Package has an example
20/20 points: Supports 6 of 6 possible platforms (iOS, Android, Web, Windows, macOS, Linux)
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✓ Android
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✓ iOS
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✓ Windows
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✓ Linux
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✓ macOS
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✓ Web
0/50 points: code has no errors, warnings, lints, or formatting issues
Found 5 issues. Showing the first 2:
ERROR: A value of type 'RenderObject?' can't be assigned to a variable of type 'AbstractNode?'.
lib/src/widgets/observer_proxy.dart:155:30
╷
155 │ AbstractNode? ancestor = parent;
│ ^^^^^^
╵
To reproduce make sure you are using the lints_core and run flutter analyze lib/src/widgets/observer_proxy.dart
ERROR: A value of type 'AbstractNode' can't be returned from the method '_findAncestorRenderObject' because it has a return type of 'T?'.
lib/src/widgets/observer_proxy.dart:159:16
╷
159 │ return ancestor;
│ ^^^^^^^^
╵
To reproduce make sure you are using the lints_core and run flutter analyze lib/src/widgets/observer_proxy.dart
10/10 points: All of the package dependencies are supported in the latest version
No dependencies.
Transitive dependencies
| Package | Constraint | Compatible | Latest | Notes |
|---|---|---|---|---|
characters |
- | 1.4.0 | 1.4.1 | |
collection |
- | 1.19.1 | 1.19.1 | |
material_color_utilities |
- | 0.11.1 | 0.13.0 | |
meta |
- | 1.17.0 | 1.17.0 | |
vector_math |
- | 2.2.0 | 2.2.0 |
To reproduce run dart pub outdated --no-dev-dependencies --up-to-date --no-dependency-overrides.
10/10 points: Package supports latest stable Dart and Flutter SDKs
0/20 points: Compatible with dependency constraint lower bounds
downgrade analysis failed failed with 2 errors:
INVALID_ASSIGNMENT-lib/src/widgets/observer_proxy.dart:155:30- A value of type 'RenderObject?' can't be assigned to a variable of type 'AbstractNode?'.RETURN_OF_INVALID_TYPE-lib/src/widgets/observer_proxy.dart:159:16- A value of type 'AbstractNode' can't be returned from the method '_findAncestorRenderObject' because it has a return type of 'T?'.
Run flutter pub downgrade and then flutter analyze to reproduce the above problem.
You may run dart pub upgrade --tighten to update your dependency constraints, see dart.dev/go/downgrade-testing for details.
Analyzed with Pana 0.23.3, Flutter 3.38.4, Dart 3.10.3.
Check the analysis log for details.
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Metadata
An elegant scroll observer that support most scroll views could jump/animateToIndex without breaking current widgets.
Repository (GitHub)
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Documentation
License
MIT (license)
