// Brocfile.js
const swc = require('broccoli-swc');
module.exports = swc(__dirname + '/src', {
  swc: {
    module: {
      type: 'commonjs' | 'amd'
      moduleId: // optional or true, if true it will infer the module name from the file path.
    }
  }
}); // where src/**/*.js contains ecmascript

// Brocfile.js
const swc = require('broccoli-swc');

module.exports = class CustomSWC extends swc.Plugin {
  // custom behavior
}