Sample of how to use PouchDBStore with FeatureLayer

sample.js

selectedTemplate.featureLayer.applyEdits(newAdds, null, null)
  .then(function() {
    db.getAll().then(function(results) {
      console.debug('results', results);
      var graphics = results.map(function(r) { return new Graphic(r.doc.item); });
      var docs = results.map(function(r) { return r.doc; });
      selectedTemplate.featureLayer.applyEdits(graphics).then(function() {
        docs.map(function(doc) {
          db.delete(doc);
        });
      });
    });
  }, function() {
    arrayUtils.forEach(newAdds, function(x) {
      db.add(x);
    });
  });
});