armo-breadboard-babel/src/index.js

Babel transform for breadboard.

import { transform } from 'babel-standalone'


export default function breadboardBabelTransform(source, filename) {
  let transformed

  try {
    const output = transform(source, {
      presets: ['react', 'es2015', 'es2016', 'es2017'],
      sourceMaps: true,
      sourceType: 'script',
      sourceFileName: filename.slice(1),
    })
    //console.log(output)
    transformed = output.code
    // transformed += '\n//# sourceURL=breadboard://'+filename
    transformed += '\n//# sourceMappingURL=data:application/json;charset=utf-8;base64,'+btoa(JSON.stringify(output.map))
  }
  catch (e) {
    return e
  }

  return transformed
}



// import { transform } from 'buble'

// export default function breadboardBabelTransform(source, filename) {
//   let transformed

//   try {
//     const output = transform(source, {
//       // Set the input filename for the source map
//       source: 'breadboard://'+filename,
//     })

//     output.map.sources[0] = 'breadboard://'+filename

//     console.log(output.map)

//     transformed = output.code
//     // transformed += '\n//# sourceURL=breadboard://'+filename
//     transformed += '\n//# sourceMappingURL='+output.map.toUrl()
//   }
//   catch (e) {
//     return e
//   }

//   return transformed
// }