docs: function getFlowConfig(asset) {
    if (/^(\/{2}|\/\*+) *@flow/.test(asset.contents.substring(0, 20))) {
      return {
        internal: true,
        babelVersion: 7,
        config: {
          plugins: [[require('@babel/plugin-transform-flow-strip-types')]]
        }
      };
    }
  
    return null;
  }