Bun is a fast all-in-one JavaScript runtime  ↦

Bundle, transpile, install and run JavaScript & TypeScript projects — all in Bun. Bun is a new JavaScript runtime with a native bundler, transpiler, task runner and npm client built-in.

Bun is competing with Node and Deno, with the following goals:

  1. Start fast (it has the edge in mind).
  2. New levels of performance (extending JavaScriptCore, the engine).
  3. Being a great and complete tool (bundler, transpiler, package manager).

I like those goals, and it’s designed to be a drop-in replacement for your current runtime.


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