Summary

API compatibility

• Scanner API Renames:

  • GetLineAndCharacterOfPosition → GetECMALineAndCharacterOfPosition
  • GetPositionOfLineAndCharacter → GetECMAPositionOfLineAndCharacter
  • sourceFile.LineMap() → scanner.GetECMALineStarts(sourceFile)

• LSP Architecture Refactoring:

  • project.Service → project.Session
  • project.ServiceOptions → project.SessionInit + project.SessionOptions
  • ParsedFileCache → ParseCache
  • WatcherHandle → WatcherID (now passed as parameter instead of returned)
  • Removed project.ServiceHost interface
  • Simplified Logger initialization: NewLogger(io.Discard)

• Type/Property Access Changes:

  • importClause.IsTypeOnly property → importClause.IsTypeOnly() method
  • Removed ls.DocumentURIToFileName(), replaced with manual URI handling

• VFS Interface:

  • Added Chtimes(path, aTime, mTime) method to FS interface

Rule Enhancements

• no-unnecessary-type-assertion: Added checkLiteralConstAssertions option to control
  const assertion checking on literals
• no-floating-promises: Improved callee name matching for export aliases (e.g., export { test as it })
• type_matches_specifier: Enhanced package declaration file detection logic

Misc

• Added /tsgo to .gitignore
• Removed committed tsgo binary from repository
• Code formatting and import ordering fixes

Related Links

Checklist

• Tests updated (or not required).
• Documentation updated (or not required).