Using cli

Installation

npm i --save-dev @swc/cli @swc/core

Usage

# Transpile one file and emit to stdout.
npx swc FILE

# Transpile one file and emit to `output.js`.
npx swc FILE -o output.js

# Transpile and write output to dir
npx swc DIR -d dir

Watching

To rebuild automatically on file change, you need to install chokidar like

npm i -D chokidar