fix: Pubspec.environment can never be null (dart-lang/pubspec_parse#137)

* fix: Pubspec.environment can never be null

* chore: Add changelog entry

* fix: _environmentMap to return empty map when input is null
2 files changed
tree: 7a7f57fcb215055bc52c8a3f75c405075850a22d
  1. pkgs/