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Useful Packages

TypeScript has a large ecosystem of packages that can be used to extend the language or to add functionality to your project. Here is the list of some of the most useful packages.

  • zod: A TypeScript-first data validation library
  • ts-morph: A TypeScript-first API for manipulating TypeScript code
  • ts-node: A TypeScript execution and REPL for node.js
  • ts-jest: A Jest transformer with source map support that lets you use Jest to test projects written in TypeScript.
  • typesync: Install missing TypeScript typings for dependencies in your package.json.
  • tsd - TypeScript Definition Manager
  • type-fest - A collection of essential TypeScript types

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