index.js
function bridge(destination, options) {
  return transformer

  function transformer(node, file, next) {
    destination.run(mdast2hast(node, options), file, done)

    function done(err) {
      next(err)
    }
  }
}
function bridge(destination, options) {
  return transformer

  function transformer(node, file, next) {
    destination.run(mdast2hast(node, options), file, done)

    function done(err) {
      next(err)
    }
  }
}
function bridge ( destination , options ) { return transformer function transformer ( node , file , next ) { destination . run ( mdast2hast ( node , options ) , file , done ) function done ( err ) { next ( err ) } } }
Bridge-mode.  Runs the destination with the new hast tree.
Bridge - mode . Runs the destination with the new hast tree .