Repository: microsoft/TypeScript
Stars: 108580
README.md
TypeScript
<!-- CODING AGENTS: READ AGENTS.md BEFORE WRITING CODE -->
TypeScript 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, and stay up to date via our blog and Twitter account.
Find others who are using TypeScript at our community page.
Installing
For the latest stable version:
``
bash
npm install -D typescript
`
For our nightly builds:
`bash
npm install -D typescript@next
``
Contribute
NOTE: Code changes in this repo are now limited to a small category of fixes:
Crashes that were introduced in 5.9 or 6.0 that also repro in 7.0 and have a portable fix and* don't incur other behavioral changes
* Security issues
* Language service crashes that substantially impact mainline usage
Serious regressions from 5.9 (these must seriously impact a large* proportion of users)
Most bug fixes should be submitted to the typescript-go repository.
Feature additions and behavorial changes are currently on pause until TypeScript 7.0 is completed.
There are many ways to contribute to TypeScript.
* Submit bugs and help us verify fixes as they are checked in.
* Review the source code changes.
* Engage with other TypeScript users and developers on StackOverflow.
* Help each other in the TypeScript Community Discord.
* Join the #typescript discussion on Twitter.
* Contribute bug fixes.
This project has adopted the Microsoft Open Source Code of Conduct. For more information see
the Code of Conduct FAQ or contact [email protected]
with any additional questions or comments.
Documentation
* TypeScript in 5 minutes
* Programming handbook
* Homepage
Roadmap
For details on our planned features and future direction, please refer to our roadmap.