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Chess board UI developed for lichess.org. It has no chess logic inside so it can be used for chess variants.

9
likes
90/ 160
pub points
84%
popularity

We analyzed this package 7 days ago, and awarded it 90 pub points (of a possible 160):

OK
Follow Dart file conventions
30 / 30trigger folding of the section

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: GPL-3.0.

OK
Provide documentation
20 / 20trigger folding of the section

10/10 points: 20% or more of the public API has dartdoc comments

222 out of 278 API elements (79.9 %) have documentation comments.

Some symbols that are missing documentation: chessground.Arrow.color, chessground.Arrow.dest, chessground.Arrow.orig, chessground.CheckHighlight.size, chessground.ChessboardBackground.coordinates.

10/10 points: Package has an example

failed
Platform support
20 / 20trigger folding of the section

20/20 points: Supports 5 of 6 possible platforms (iOS, Android, Web, Windows, macOS, Linux)

  • ✓ Android

  • ✓ iOS

  • ✓ Windows

  • ✓ Linux

  • ✓ macOS

These platforms are not supported:

Package does not support platform `Web`.

Because:

  • package:chessground/chessground.dart that imports:
  • package:chessground/src/widgets/background.dart that imports:
  • package:dartchess/dartchess.dart that declares support for platforms: Android, iOS, Windows, Linux, macOS.

0/0 points: WASM compatibility

Unable to detect compatibility with runtime wasm, and this package will not be rewarded full points in a future version of the scoring model.

See https://dart.dev/web/wasm for details.

failed
Pass static analysis
0 / 50trigger folding of the section

0/50 points: code has no errors, warnings, lints, or formatting issues

ERROR: The method 'withValues' isn't defined for the type 'Color'.

lib/src/widgets/board_annotation.dart:92:50

   ╷
92 │                   color: const Color(0xFF000000).withValues(alpha: 0.5),
   │                                                  ^^^^^^^^^^
   ╵

To reproduce make sure you are using the lints_core and run flutter analyze lib/src/widgets/board_annotation.dart

failed
Support up-to-date dependencies
20 / 40trigger folding of the section

10/10 points: All of the package dependencies are supported in the latest version

Package Constraint Compatible Latest
dartchess ^0.9.0 0.9.2 0.9.2
fast_immutable_collections ^10.0.0 10.2.4 11.0.0
flutter flutter 0.0.0 0.0.0
Transitive dependencies
Package Constraint Compatible Latest
characters - 1.3.0 1.3.1
collection - 1.18.0 1.19.1
material_color_utilities - 0.11.1 0.12.0
meta - 1.15.0 1.16.0
sky_engine - 0.0.99 0.0.99
vector_math - 2.1.4 2.1.4

To reproduce run dart pub outdated --no-dev-dependencies --up-to-date --no-dependency-overrides.

The constraint `^10.0.0` on fast_immutable_collections does not support the stable version `11.0.0`, that was published 12 days ago.

When fast_immutable_collections is 30 days old, this package will no longer be awarded points in this category.

Try running dart pub upgrade --major-versions fast_immutable_collections to update the constraint.

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 4 errors:

  • UNDEFINED_METHOD - lib/src/widgets/board_annotation.dart:92:50 - The method 'withValues' isn't defined for the type 'Color'.
  • INVALID_ASSIGNMENT - lib/src/widgets/board_editor.dart:47:29 - A value of type 'IMap<dynamic, dynamic>' can't be assigned to a variable of type 'IMap<Square, SquareHighlight>'.
  • NON_CONSTANT_DEFAULT_VALUE - lib/src/widgets/board_editor.dart:47:29 - The default value of an optional parameter must be constant.

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 0.22.15, Flutter 3.24.4, Dart 3.5.4.

Check the analysis log for details.

9
likes
90
pub points
84%
popularity

Publisher

verified publisherlichess.org

Chess board UI developed for lichess.org. It has no chess logic inside so it can be used for chess variants.

Repository (GitHub)
View/report issues

Documentation

API reference

Funding

Consider supporting this project:

lichess.org

License

GPL-3.0 (license)

Dependencies

dartchess, fast_immutable_collections, flutter

More

Packages that depend on chessground