pouchdb-map-reduce-error.js

var db = new PouchDB('ddd');

db.bulkDocs([
  { name: 'Mario', _id: 'mario', rank: 5, series: 'Mario', debut: 1981, awesome: true },
  { name: 'Jigglypuff', _id: 'puff', rank: 8, series: 'Pokemon', debut: 1996,
  awesome: false },
  { name: 'Link', rank: 10, _id: 'link', series: 'Zelda', debut: 1986, awesome: true },
  { name: 'Donkey Kong', rank: 7, _id: 'dk', series: 'Mario', debut: 1981, awesome: false },
  { name: 'Pikachu', series: 'Pokemon', _id: 'pikachu', rank: 1, debut: 1996, awesome: true },
  { name: 'Captain Falcon', _id: 'falcon', rank: 4, series: 'F-Zero', debut: 1990,
    awesome: true },
  { name: 'Luigi', rank: 11, _id: 'luigi', series: 'Mario', debut: 1983, awesome: false },
  { name: 'Fox', _id: 'fox', rank: 3, series: 'Star Fox', debut: 1993, awesome: true },
  { name: 'Ness', rank: 9, _id: 'ness', series: 'Earthbound', debut: 1994, awesome: true },
  { name: 'Samus', rank: 12, _id: 'samus', series: 'Metroid', debut: 1986, awesome: true },
  { name: 'Yoshi', _id: 'yoshi', rank: 6, series: 'Mario', debut: 1990, awesome: true },
  { name: 'Kirby', _id: 'kirby', series: 'Kirby', rank: 2, debut: 1992, awesome: true },
  { name: 'Master Hand', _id: 'master_hand', series: 'Smash Bros', rank: 0, debut: 1999,
          awesome: false }
]);

var ddoc = {
  _id: '_design/index',
  views: {
    index: {
      map: function mapFun(doc) {
        if (doc.name) {
          emit(doc.name);
        }
      }.toString()
    }
  }
};

db.put(ddoc).catch(function (err) {
  if (err.status !== 409) {
    throw err;
  }
 
}).then(function () {
  
  return db.query('index', {
    startkey: 'a',
    include_docs: true
  });
}).then(function (result) {
  console.log(results); //should be all docs.
}).catch(function (err) {
  console.log(err);
});