SWC

When to Use

• Compilation: Replacing Babel.
• Minification: Faster and often smaller than Terser.
• Jest:

  @swc/jest

  speeds up tests by 10x.

Core Concepts

Transforms

Plugins (Wasm)

Best Practices (2025)

• Use

  swc-loader

  : In Webpack configs.
• Use

  .swcrc

  : JSON configuration file (similar to

  .babelrc

  ).

• Don't stick with Babel: Unless you need a very niche Babel plugin that doesn't exist in SWC yet.

References

• SWC Documentation