microsoft/TypeScript

Latest recorded source activity: October 6, 2026 at 09:21

SkillsMP catalog refreshed: November 2, 2026 at 18:02

skills collected: 4

GitHub stars: 111,716
GitHub forks: 15,447

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Repository README source: README.md

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# TypeScript [![CI](https://github.com/microsoft/TypeScript/actions/workflows/ci.yml/badge.svg)](https://github.com/microsoft/TypeScript/actions/workflows/ci.yml) [![npm version](https://badge.fury.io/js/typescript.svg)](https://www.npmjs.com/package/typescript) [![Downloads](https://img.shields.io/npm/dm/typescript.svg)](https://www.npmjs.com/package/typescript) [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/microsoft/TypeScript/badge)](https://securityscorecards.dev/viewer/?uri=github.com/microsoft/TypeScript) [TypeScript](https://www.typescriptlang.org/) is a language for application-scale JavaScript. TypeScript adds optional types to JavaScript that support tools for large-scale JavaScript applications for any browser, for any host, on any OS. TypeScript compiles to readable, standards-based JavaScript. Try it out at the [playground](https://www.typescriptlang.org/play/), and stay up to date via [our blog](https://devblogs.microsoft.com/typescript/) and [Twitter account](https://twitter.com/typescript). Find others who are using TypeScript at [our community page](https://www.typescriptlang.org/community/). ## Installing For the latest stable version: ```bash npm install -D typescript ``` For our nightly builds: ```bash npm install -D typescript@next ``` ## Contribute There are many ways to [contribute](CONTRIBUTING.md) to TypeScript. * [Submit bugs](https://github.com/microsoft/TypeScript/issues) and help us verify fixes as they are checked in. * Review the [source code changes](https://github.com/microsoft/TypeScript/pulls). * Engage with other TypeScript users and developers on [StackOverflow](https://stackoverflow.com/questions/tagged/typescript). * Help each other in the [TypeScript Community Discord](https://discord.gg/typescript). * Join the [#typescript](https://twitter.com/search?q=%23TypeScript) discussion on Twitter. * [Contribute bug fixes](CONTRIBUTING.md). This project has adopted the [Microsoft Open Source Code of Conduct](https://opensource.microsoft.com/codeofconduct/). For more information see the [Code of Conduct FAQ](https://opensource.microsoft.com/codeofconduct/faq/) or contact [opencode@microsoft.com](mailto:opencode@microsoft.com) with any additional questions or comments. ## Documentation * [TypeScript in 5 minutes](https://www.typescriptlang.org/docs/handbook/typescript-in-5-minutes.html) * [Programming handbook](https://www.typescriptlang.org/docs/handbook/intro.html) * [Homepage](https://www.typescriptlang.org/) ## Roadmap For details on our planned features and future direction, please refer to our [roadmap](https://github.com/microsoft/TypeScript/wiki/Roadmap).

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Skills in this repository

Software Quality Assurance Analysts & Testers Information Security Analysts Software Developers

3 occupation categories · 100% classified

skill

occupation

description

updated

api-client

Software Developers

Instructions for working on the API client in ./packages/typescript

2026-10-06

security-report-check

Information Security Analysts

Are you doing security research on this repo? This document covers what guarantees and non-guarantees are provided. Consult this document before reporting a security issue or conducting security research.

2026-10-06

mcfly

Software Quality Assurance Analysts & Testers

Only invoke when explicitly instructed to

2026-09-28

compiler-and-fourslash-tests

Software Quality Assurance Analysts & Testers

How to write, run, and debug compiler tests and fourslash (LSP) tests in the TypeScript repository. Covers test file formats, directives, markers, baseline management, and the fourslash verification API.

2026-08-21

Showing 4 of 4 collected skills.