Software Engineering :: Programming :: Languages :: JavaScript :: TypeScript :: Version :: 5.5
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- Inferred Type Predicates
- Control Flow Narrowing for Constant Indexed Accesses
- JSDoc @import Tag
- Regular Expression Syntax Checking
- Support for New ECMAScript Set Methods
- Isolated Declarations
- The ${configDir} Template Variable for Configuration Files
- Consulting package.json Dependencies for Declaration File Generation
- Editor and Watch-Mode Reliability Improvements
- Performance and Size Optimizations
- Easier API Consumption from ECMAScript Modules
- The
transpileDeclarationAPI - Notable Behavioral Changes