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  • License MIT

Node.js runtime enhanced with esbuild for loading TypeScript & ESM

Package Exports

  • tsx/dist/cli.js

This package does not declare an exports field, so the exports above have been automatically detected and optimized by JSPM instead. If any package subpath is missing, it is recommended to post an issue to the original package (tsx) to support the "exports" field. If that is not possible, create a JSPM override to customize the exports field for this package.

Readme

tsx

Node.js runtime that can instantaneously load TypeScript & ESM, powered by esbuild.

Features

  • Transforms TypeScript & ESM → to CJS or ESM (depending on package type)
  • Supports TS extensions .cjs & .mjs (.cts & .mts)
  • Supports Node.js v12.20+
  • Handles node: import prefixes
  • Hides experimental feature warnings

Install

npm install --save-dev tsx

Install globally

Install it globally to use it anywhere, outside of your npm project, without npx.

npm install --global tsx

Usage

Note: Commands are prefixed with npx to execute the tsx binary, but it's not necessary if globally installed or when using it in the script object in package.json

Run TypeScript / ESM / CJS module

npx tsx ./file.ts

Watch mode

Run file and automatically re-run on changes.

All imported files are watched except from the following directories: node_modules, bower_components, vendor, dist, and .* (hidden directories).

Press Return to manually re-run.

npx tsx watch ./file.ts

Cache

Modules transformations are cached in the system cache directory (TMPDIR). Transforms are cached by content hash so duplicate dependencies are not re-transformed.

Set the --no-cache flag to disable the cache:

npx tsx --no-cache ./file.ts

Dependencies