TypeScript is a superset of JavaScript that compiles to clean JavaScript output.

javascript language typechecker typescript

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Ron Buckton 44667bed0d Add 'configurable: true' to descriptors in __createBinding and __setModuleDefault		2024-03-14 18:36:42 -04:00
.devcontainer	Add dprint to devcontainer (#55581 )	2023-08-30 17:04:28 -07:00
.github	Run tests on all OSs (#52350 )	2024-03-13 12:42:38 -07:00
.vscode	Set NODE_ENV to development and not testing in launch template (#57407 )	2024-02-14 10:50:54 -08:00
bin	Moved LKG folder to lib	2015-07-27 10:07:07 -07:00
scripts	Fix typo in artifact script (#57698 )	2024-03-08 10:57:32 -08:00
src	Add 'configurable: true' to descriptors in __createBinding and __setModuleDefault	2024-03-14 18:36:42 -04:00
tests	Add 'configurable: true' to descriptors in __createBinding and __setModuleDefault	2024-03-14 18:36:42 -04:00
.c8rc.json	Run dprint on json (#55602 )	2023-09-01 15:26:01 -07:00
.dprint.jsonc	Update dependencies to latest compatible versions (#56561 )	2024-01-19 12:44:01 -08:00
.editorconfig	Use CRLF, not LF.	2015-03-02 14:38:24 -08:00
.eslint-plugin-local.cjs	Update dependencies to latest compatible versions (#56561 )	2024-01-19 12:44:01 -08:00
.eslintrc.json	Error on unused eslint directives, reenable lost eslint rules (#57350 )	2024-02-27 10:49:41 -08:00
.git-blame-ignore-revs	Add dprint commit to git-blame-ignore-revs (#55402 )	2023-08-16 14:32:14 -07:00
.gitattributes	Make GitHub render json as jsonc (#52335 )	2023-01-20 12:08:26 -08:00
.gitignore	Only gitignore lib dir at repo root (#54644 )	2023-06-14 09:53:45 -07:00
.gulp.js	Remove hereby gulp shim warning (#56759 )	2024-01-04 11:08:04 -08:00
CODE_OF_CONDUCT.md	Added Microsoft code of conduct file	2018-10-05 22:10:20 +01:00
CONTRIBUTING.md	Remove docker and user tests, related infra (#53118 )	2023-03-06 19:59:21 -08:00
Herebyfile.mjs	"Annotate" exported object to fix named / namespace imports of our API in Node ESM (#57133 )	2024-03-04 13:06:41 -08:00
LICENSE.txt	Add snapshot of compiler sources	2014-07-12 17:30:19 -07:00
README.md	Update README.md (#57243 )	2024-01-30 14:24:06 -08:00
SECURITY.md	Update SECURITY.md from 0.0.5 to 0.0.9 (#55651 )	2023-09-06 13:19:32 -07:00
SUPPORT.md	Initial add of Support.md (#55962 )	2023-10-05 10:36:20 -07:00
ThirdPartyNoticeText.txt	Fix ThirdPartyNoticeText.txt encoding (#53184 )	2023-03-09 13:05:02 -08:00
azure-pipelines.release.yml	Fix release pipeline (for real this time) (#57512 )	2024-02-23 12:03:47 -08:00
package-lock.json	Update package-lock.json	2024-03-14 06:14:50 +00:00
package.json	Update typescript dep to v5.4.2, other dependencies (#57664 )	2024-03-06 12:29:01 -08:00

README.md

TypeScript

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:

npm install -D typescript

For our nightly builds:

npm install -D typescript@next

Contribute

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 opencode@microsoft.com with any additional questions or comments.

Documentation

Roadmap

For details on our planned features and future direction, please refer to our roadmap.