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swc

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swc-project /swc

Super-fast typescript / javascript compiler written in rust

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babel

Make the web (development) faster.

npm Downloadsundefined

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Supporting swc

Backers on Open CollectiveGold sponsors on Open CollectiveSilver sponsors on Open CollectiveBronze 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.

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) |

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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