JavaScript Rust TypeScript parser Compiler ecmascript Babel Shell Python ecmascript-parser closure-compiler swc typescript-compiler typescript-parser
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swc-project

Description

swc is a super-fast compiler written in rust; producing widely-supported javascript from modern standards and typescript.

9.8K Stars 219 Forks Other 875 Commits 96 Opened issues

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babel

Make the web (development) faster.

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Travis Status Coverage

swc is a super-fast typescript / javascript compiler written in rust.

Documentation

Check out the documentation in the website.

Features

Please see comparison with babel.

Performance

The lower bound of the speedup compared to babel is 18. The benchmarks were run on Macbook pro, dual core, 2.3GHz Intel Core i5, 16 GB ram

| | performance | | ------------------ | :------------------------------------: | | swc (es3) | 761 ops/sec ±0.23% (89 runs sampled) | | swc (es2015) | 800 ops/sec ±1.02% (87 runs sampled) | | swc (es2016) | 2123 ops/sec ±0.84% (88 runs sampled) | | swc (es2017) | 2131 ops/sec ±1.13% (90 runs sampled) | | swc (es2018) | 2981 ops/sec ±0.25% (90 runs sampled) | | swc-optimize (es3) | 712 ops/sec ±0.21% (86 runs sampled) | | babel | 41.75 ops/sec ±8.07% (56 runs sampled) |

Supporting swc

Backers on Open Collective Gold sponsors on Open Collective Silver sponsors on Open Collective Bronze sponsors on Open Collective

swc is a community-driven project, and is maintained by a group of volunteers. If you'd like to help support the future of the project, please consider:

  • Giving developer time on the project. (Message us on Slack for guidance!)
  • Slackin for swc
  • Giving funds by becoming a sponsor (see below)!

Open Collective Sponsors

Become a sponsor and get your logo on our README on Github with a link to your site. [Become a sponsor]

Gold Sponsors

Silver Sponsors

Bronze Sponsors

Backers

Become a backer and get your image on our README on Github with a link to your site.

Contributing

See CONTRIBUTING.md. You may also find the architecture documentation useful (ARCHITECTURE.md).

License

swc is primarily distributed under the terms of both the MIT license and the Apache License (Version 2.0).

See LICENSE-APACHE and LICENSE-MIT for details.

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