tsx

What is tsx?

The tsx npm package is a CLI tool for running TypeScript and TSX files directly without pre-compilation. It's essentially a TypeScript execution and REPL for node.js, similar to how `node` works for JavaScript. It allows developers to quickly run scripts and prototypes written in TypeScript, including support for TSX (TypeScript with JSX syntax), which is commonly used in React development.

What are tsx's main functionalities?

Execute TypeScript files directly

Allows you to run a TypeScript file directly from the command line without needing to compile it first. This is particularly useful for quick scripts or during development.

tsx script.ts

REPL mode

Launches a REPL (Read-Eval-Print Loop) where you can type and execute TypeScript code interactively. This is useful for testing small snippets of code quickly.

tsx

Support for TSX

Enables execution of TSX files, which is TypeScript with JSX syntax. This is particularly useful for React developers who want to test components or scripts that include JSX.

tsx component.tsx

Other packages similar to tsx

ts-node

ts-node is a very popular package that offers similar functionality to tsx. It provides the ability to execute TypeScript files directly and use TypeScript in a REPL environment. ts-node is widely used in the TypeScript community for development and scripting. Compared to tsx, ts-node has been around longer and has a larger user base, but both aim to simplify the TypeScript development workflow by removing the compilation step.

esbuild-runner

esbuild-runner offers a way to run TypeScript (and JavaScript) files using the esbuild bundler/compiler. It's focused on providing extremely fast compilation and execution, leveraging esbuild's performance. While esbuild-runner and tsx share the goal of simplifying the execution of TypeScript files, esbuild-runner emphasizes speed and is part of the broader ecosystem around the esbuild project.

README

TypeScript Execute (tsx): The easiest way to run TypeScript in Node.js

Documentation    |    Getting started →

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[!TIP] Build your TypeScript projects?

Try pkgroll—the zero-config package bundler used by tsx!

pkgroll is a thin Rollup wrapper that makes it so simple for your package to support CommonJS, ESM, & TypeScript.

If you love tsx, you'll love pkgroll too!

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