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https://github.com/swc-project/swc

Rust-based platform for the Web
https://github.com/swc-project/swc

babel compiler ecmascript ecmascript-parser javascript parser rust swc typescript typescript-compiler typescript-parser

Last synced: 1 day ago
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Rust-based platform for the Web

Host: GitHub
URL: https://github.com/swc-project/swc
Owner: swc-project
License: apache-2.0
Created: 2017-12-22T11:40:14.000Z (about 7 years ago)
Default Branch: main
Last Pushed: 2025-01-08T10:28:52.000Z (7 days ago)
Last Synced: 2025-01-08T20:29:40.073Z (6 days ago)
Topics: babel, compiler, ecmascript, ecmascript-parser, javascript, parser, rust, swc, typescript, typescript-compiler, typescript-parser
Language: Rust
Homepage: https://swc.rs
Size: 340 MB
Stars: 31,471
Watchers: 153
Forks: 1,249
Open Issues: 398
Metadata Files:
- Readme: README.md
- Changelog: CHANGELOG.md
- Contributing: CONTRIBUTING.md
- Funding: .github/FUNDING.yml
- License: LICENSE
- Codeowners: .github/CODEOWNERS

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README

        


  

    

  





  Make the web (development) faster.





  

    

  

  

    

  





  

    

  

  

    

  





  

  

    

  





  

    

  



SWC (stands for `Speedy Web Compiler`) is a super-fast TypeScript / JavaScript compiler written in Rust. It's a library for Rust and JavaScript at the same time. If you are using SWC from Rust, see [rustdoc](https://rustdoc.swc.rs/swc/) and for most users, your entry point for using the library will be [parser](https://rustdoc.swc.rs/swc_ecma_parser/).

Also, SWC tries to ensure that

> If you select the latest version of each crates, it will work

for rust users.

MSRV of crates is currently `1.73`.

To update all SWC crates you use, you can run `curl https://raw.githubusercontent.com/swc-project/swc/main/scripts/update-all-swc-crates.sh | bash -s`. This script will update all dependencies to the latest version and run `cargo build` to ensure that everything works.

Note that you need

-   `jq`

-   `cargo upgrade`

command to run the script.

---

If you are using SWC from JavaScript, please refer to [docs on the website](https://swc.rs/docs/installation/).

# Documentation

Check out the documentation [in the website](https://swc.rs/docs/installation/).

# Features

Please see [comparison with babel](https://swc.rs/docs/migrating-from-babel).

# Performance

Please see [benchmark results](https://swc.rs/docs/benchmark-transform) on the website.

Supporting swc




  

    

  



SWC is a community-driven project, and is maintained by a group of [volunteers](https://swc.rs/docs/team). If you'd like to help support the future of the project, please consider:

-   Giving developer time on the project. (Message us on [Discord](https://discord.gg/GnHbXTdZz6) (preferred) or [Github discussions](https://github.com/swc-project/swc/discussions) for guidance!)

-   Giving funds by becoming a sponsor (see https://opencollective.com/swc)!

## Contributing

See [CONTRIBUTING.md](CONTRIBUTING.md). You may also find the architecture

documentation useful ([ARCHITECTURE.md](ARCHITECTURE.md)).

## License

SWC is primarily distributed under the terms of the Apache License (Version 2.0).

See [LICENSE](LICENSE) for details.