bookshelf-transaction-coroutine.js

var Promise = require('bluebird');

Bookshelf.transaction(Promise.coroutine(function*(t) {
  const library = yield Library.forge({name: 'Old Books'}).save(null, {transacting: t});
  return yield Promise.map(
    [
      { title: 'Canterbury Tales' },
      { title: 'Moby Dick' },
      { title: 'Hamlet' }
    ],
    (info) => Book.forge(info).save({ 'shelf_id': library.get("id") }, {transacting: t})
  );
}))
.then((library) => console.log(library.related('books').pluck('title')))
.catch((err) => console.error(err));

return yield OP