typenode

Run TypeScript files directly in Node, no build step.

Install

yarn add typenode

Usage

yarn typenode ./src/main.ts

Or, if installed as a dependency, via the typenode bin:

typenode ./src/main.ts

Any extra arguments are passed through to your script. Node is launched with a large heap (--max-old-space-size=128000), --expose-gc, and source map support, so stack traces point at your .ts source.

Caching

Compiled output is cached on disk next to the source file, in a dist/ folder (e.g. src/foo.ts → src/dist/foo.ts.cache). The cache key is a hash of the file contents plus the transform pipeline, so edits invalidate it automatically — there's nothing to clean manually.

--npminstall

Pass --npminstall to automatically run npm install when an imported dependency is missing or its installed version doesn't match your package.json. This is off by default, since running install commands on your project shouldn't happen implicitly.

yarn typenode ./src/main.ts --npminstall