Compiler Host API

Fixed

• Remove normalize slashes from config file loading for Windows

Added

• Configure using tsconfig.json (#921) @cspotcode 🎉
• Allow dir to be configurable
• Add --build flag for emitting compiled TypeScript (under --compiler-host mode)
• Incremental compiler support (#895)

Fix relative `node_modules` ignore

• Fix relative node_modules ignore 266eaa5

Fix transpile diagnostics

Fixed

• Pass correct diagnostics list in transpile mode (#917) 907e3e1
• Make --ignore relative ea6e1da

Revert `--require` module loading

Fixed

• Revert --require module loading change

TS Script

Added

• Expose ts-script for relative tsconfig.json files from <script.ts>
• Support --interactive CLI option
• Expose registered ts-node instance information on process
• Allow dynamic enable of registered ts-node instances
• Allow --dir to be configurable from CLI
• Add --scope flag for directory scoped compilation of TypeScript
• REPL history on node 11+
• Expose create function for programmatic compiler usage

Fixed

• Repeated RegExps in REPL will now compile

Fix 8.20 dependency regression

Fixed

• Revert "List all files in memory cache improves perf 1.4x" 87a6e2c

Program Transformers

Added

• Introduce transformers program support (#879) 12ff53d

Fixed

• Fix prefer TS exts via env variables (#867) b01b629

Prefer TS Extensions

Added

• Support --prefer-ts-exts flag

Cache FS Operations

Added

• Expand FS cache to all file system operations

Changed

• Pass all files to "root scripts" TypeScript compiler option to improve performance

Remove Realpath

Fixed

• Remove realpath from TypeScript compiler to support existing use-cases without preserveSymlinks