JSY is a syntax dialect for ECMAScript using offside indentation similar to Python or CoffeeScript from ES5 to ES2023.
With NodeJS:
# Use JSY directly via loader plugin
> node --loader @jsy-lang/nodejs some-demo.jsy
# See how JSY transpiles
> npx @jsy-lang/jsy some-demo.jsyOr bundle with Rollup or Vite via rollup-plugin-jsy