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: BSD-3-Clause.

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

86 out of 96 API elements (89.6 %) have documentation comments.

Some symbols that are missing documentation: json_serialization.CamelCaseConvention.CamelCaseConvention.new, json_serialization.JsonConverter.JsonConverter.new, json_serialization.JsonSerializer.JsonSerializer.new, json_serialization.KebabCaseConvention.KebabCaseConvention.new, json_serialization.LowerCaseConvention.LowerCaseConvention.new.

10/10 points: Package has an example

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

• ✓ Android

• ✓ iOS

• ✓ Windows

• ✓ Linux

• ✓ macOS

• ✓ Web

0/0 points: WASM compatibility

This package is compatible with runtime wasm, and will be rewarded additional points in a future version of the scoring model.

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

40/50 points: code has no errors, warnings, lints, or formatting issues

Found 12 issues. Showing the first 2:

    ╷
439 │   _ErrorContext contextForOffset(int offset) => _contextForOffset(offset);
    │   ^^^^^^^^^^^^^
    ╵

  ╷
4 │ /// Map<String, Object?>. Throws [FormatException] for unsupported structures.
  │        ^^^^^^^^^^^^^^^^^
  ╵

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

No dependencies.

To reproduce run dart pub outdated --no-dev-dependencies --up-to-date --no-dependency-overrides.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

20/20 points: Compatible with dependency constraint lower bounds

pub downgrade does not expose any static analysis error.