What's Changed

This is a major release with Scala 3 cross-compilation support and significant TypeScript parser improvements.

Scala 3 Support

• Scala 3 cross-compilation: All converter modules (except sbt-converter) are now published for both Scala 2.12 and Scala 3 (#723)
  • The sbt plugin remains Scala 2.12 only (sbt requirement)
  • Generated facades continue to work with Scala 2.12, 2.13, and 3

TypeScript Parser Improvements

• Comprehensive parser updates (#716):

  • Support for satisfies keyword
  • Support for accessor keyword in class fields
  • Support for template literal types
  • Better handling of import.meta
  • Support for asserts this is T return types
  • Support for abstract constructor signatures
  • Support for export type * from syntax
  • And many more edge cases

• TypeScript variance annotations: Added support for in/out variance modifiers (#719)

• const type parameters: Fixed parsing of const modifier in type parameters (f390a3f) - thanks Watson Dinh for the test case

Performance & Infrastructure

• Migrated to scala-cli: Replaced bloop-frontend with scala-cli for compilation (#722)
• Parser optimizations: Significant performance improvements in parsing and file operations (#715)
• GitHub Actions updates: Updated CI to latest action versions, fixed deprecations (#714)

Bug Fixes

• Hang fix: Avoid hang by making type query resolving less aggressive (#721)
• Node.js compatibility: Added hack for Node.js BuiltinIteratorReturn type (#720)
• Slinky fix: Fixed ordering of Slinky SyntheticEvent type parameters (#597) - thanks @steinybot
• BSP support: Re-enabled BSP support (#595) - thanks @steinybot

Documentation

• Updated plugin-no-bundler documentation (#630) - thanks @windymelt

Dependency Updates

Major dependency bumps including:

• sbt 1.11.1
• Scala 2.12.20
• sbt-scalajs 1.20.1
• coursier 2.1.24
• os-lib 0.11.5
• scala-xml 2.4.0
• And many more

New Contributors

• @windymelt made their first contribution in https://github.com/ScalablyTyped/Converter/pull/630

Full Changelog: https://github.com/ScalablyTyped/Converter/compare/v1.0.0-beta44...v1.0.0-beta45