ts-node

Breaking changes are labelled [BREAKING] below.

Added

• Throw ERR_REQUIRE_ESM when a file is require()d which should be loaded as ESM

• Re-add "exports" declaration to package.json in backwards-compatible way, enabling node --loader ts-node/esm without file extension

• Allow specifying "require" option via tsconfig

• REPL respects node's NODE_NO_READLINE environment variable

• Add a transpile-only entrypoint for ESM loader: node --loader ts-node/esm/transpile-only

Changed

• breaking

  Drops support for node versions < 10

Fixed

• breaking

  Re-add realpath, which should fix workflows that use symlinks, such as pnpm, Lerna workspaces, or other mono-repo configurations

• Compile files within node_modules when --skip-ignore or --ignore options are configured to allow it

• Fix #884 by not adding all referenced files to getSourceFileNames/rootNames

• Fix #996: bump projectVersion every time getSourceFileNames changes, avoiding accidentally outdated typechecking

• Fix #1051: pass transformers object to ts.transpileModule

• Fix #1060: use source maps for stack traces in ESM modules

• Fix #1072: Respect --experimental-specifier-resolution coming from NODE_OPTIONS in ESM loader

• Fix #1098: ESM loader should skip .cjs, .mjs, and any unexpected file extensions

Docs

• Better explain how to compile imports, either CommonJS or using experimental ESM loader. Resolves #1075

Misc

• Fix, re-enable, and add various tests (#1044, #1088, #1108, #1110, #1109, #1115, #1043, #999)

v8.10.2...v9.0.0