1. Project Overview & Quickstart (microsoft/typescript-go)
This Repo Is Closed
This was the staging repo for the TypeScript 7.0 release during the native port process, which is now completed!
Please continue development and discussion in the original repo
This repo will be permanently archived in September 2026.
TypeScript 7
Not sure what this is? Read the announcement post!
Preview
A preview build is available on npm as @typescript/native-preview.
npm install @typescript/native-preview
npx tsgo # Use this as you would tsc.For TypeScript 7.0 RC and later, the command name is tsc.
A preview VS Code extension is available on the VS Code marketplace.
To use this, set this in your VS Code settings:
{
"js/ts.experimental.useTsgo": true
}What Works So Far?
This is still a work in progress and is not yet at full feature parity with TypeScript. Bugs may exist. Please check this list carefully before logging a new issue or assuming an intentional change.
| Feature | Status | Notes |
|---|---|---|
| Program creation | done | Same files and module resolution as TS 6.0. Not all resolution modes supported yet. |
| Parsing/scanning | done | Exact same syntax errors as TS 6.0 |
Commandline and tsconfig.json parsing |
done | Done, though tsconfig errors may not be as helpful. |
| Type resolution | done | Same types as TS 6.0. |
| Type checking | done | Same errors, locations, and messages as TS 6.0. Types printback in errors may display differently. |
| JavaScript-specific inference and JSDoc | done | Complete, but intentionally lacking some features. Declaration emit differs greatly, intentionally, to be closer to TS declarations. |
| JSX | done | - |
| Declaration emit | done | - |
| Emit (JS output) | done | - |
| Watch mode | done | - |
| Build mode / project references | done | - |
| Incremental build | done | - |
| Language service (LSP) | in progress | Nearly all features implemented. |
| API | not ready | - |
Definitions:
- done aka "believed done": We're not currently aware of any deficits or major work left to do. OK to log bugs
- in progress: currently being worked on; some features may work and some might not. OK to log panics, but nothing else please
- prototype: proof-of-concept only; do not log bugs
- not ready: either haven't even started yet, or far enough from ready that you shouldn't bother messing with it yet
Other Notes
Long-term, we expect that this repo and its contents will be merged into microsoft/TypeScript.
As a result, the repo and issue tracker for typescript-go will eventually be closed, so treat discussions/issues accordingly.
For a list of intentional changes with respect to TypeScript 6.0, see CHANGES.md.
Contributing
This project welcomes contributions and suggestions. Most contributions require you to agree to a
Contributor License Agreement (CLA) declaring that you have the right to, and actually do, grant us
the rights to use your contribution. For details, visit Contributor License Agreements.
When you submit a pull request, a CLA bot will automatically determine whether you need to provide
a CLA and decorate the PR appropriately (e.g., status check, comment). Simply follow the instructions
provided by the bot. You will only need to do this once across all repos using our CLA.
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.
Trademarks
This project may contain trademarks or logos for projects, products, or services. Authorized use of Microsoft
trademarks or logos is subject to and must follow
Microsoft's Trademark & Brand Guidelines.
Use of Microsoft trademarks or logos in modified versions of this project must not cause confusion or imply Microsoft sponsorship.
Any use of third-party trademarks or logos are subject to those third-party's policies.
2. Official Technical Reference & Guides (microsoft/microsoft.github.io)
[microsoft.github.io](https://microsoft.github.io)
Many open source projects released by Microsoft products, services and teams also have
deployments powered by GitHub Pages on this domain.
To discover Microsoft-released open source projects, learn about Microsoft's open source
approach and other information, check us out online at opensource.microsoft.com.
If we can help answer questions about the open source program at Microsoft, you can
contact opensource at microsoft com - although we are not able to provide support
for projects through this mechanism.
Microsoft GitHub resources
- Default repo templates including
SECURITY.MDand code of conduct files: microsoft/repo-templates - Code of Conduct (FAQ)
Microsoft open source resources
Resources for Microsoft employees
How to identify an official Microsoft organization on GitHub
- Official Microsoft GitHub orgs have a professional avatar and include a web address at Microsoft.com or an associated official domain
- Official Microsoft orgs are Verified on GitHub - look for the domain verification indicator on GitHub