Ember adapter and serializer for Drupal 8 with jsonapi

app_adapter.js

// app/adapters/application.js

import DS from 'ember-data';

export default DS.JSONAPIAdapter.extend({
  host: 'http://0.0.0.0:8888',
  namespace: 'api',
  buildURL(record, suffix) {
    return this._super(record, suffix) + '?_format=api_json';
  },
  pathForType(type) {
    return type.replace('--', '/').replace('-', '_');
  }
});

app_serializer.js

// app/serializers/application.js

import Ember from 'ember';
import DS from 'ember-data';

export default DS.JSONAPISerializer.extend({
  modelNameFromPayloadKey(key) {
    return Ember.String.dasherize(key);
  },
  keyForAttribute(attr) {
    return Ember.String.underscore(attr);
  }
});

ember_data_model.js

// app/models/node--article.js

import DS from 'ember-data';

export default DS.Model.extend({
  nid: DS.attr(),
  uuid: DS.attr(),
  title: DS.attr(),
  created: DS.attr(),
  body: DS.attr(),
  fieldComments: DS.attr(),
  uid: DS.belongsTo('user--user')
});

jsonapi_drupal_config.yml

# https://www.drupal.org/project/jsonapi
# jsonapi.resource_info.yml

prefix: api
schema_prefix: schema
id_field: uuid

output_drupal.json

// GET http://0.0.0.0:8888/api/node/article/49d66a62-9130-4470-a794-1a52a3517366?_format=api_json

{
    "data":
    {
        "type": "node--article",
        "id": "49d66a62-9130-4470-a794-1a52a3517366",
        "attributes":
        {
            "nid": "1",
            "uuid": "49d66a62-9130-4470-a794-1a52a3517366",
            "vid": "51",
            "langcode": "en",
            "title": "Ea Eum Hendrerit Tego",
            "status": "1",
            "created": "1476337754",
            "changed": "1476977124",
            "promote": "1",
            "sticky": "0",
            "revision_timestamp": "1476977124",
            "revision_log": null,
            "revision_translation_affected": "1",
            "default_langcode": "1",
            "body":
            {
                "value": "Enim scisco vicis. Abdo capto tamen vero. Caecus dignissim interdico jumentum oppeto sit usitas utinam voco ymo. Blandit meus nimis nobis nutus odio tego ulciscor valde. Dignissim importunus iustum tego verto virtus.",
                "format": "plain_text",
                "summary": "Enim scisco vicis. Abdo capto tamen vero. Caecus dignissim interdico jumentum oppeto sit usitas utinam voco ymo. Blandit meus nimis nobis nutus odio tego ulciscor valde. Dignissim importunus iustum tego verto virtus."
            },
            "field_comments":
            {
                "status": "2",
                "cid": "368",
                "last_comment_timestamp": "1476977150",
                "last_comment_name": "",
                "last_comment_uid": "1",
                "comment_count": "1"
            }
        },
        "relationships":
        {
            "type":
            {
                "data":
                {
                    "type": "node_type--node_type",
                    "id": "57421fee-bee2-49e2-beee-99792a6f41d3"
                },
                "links":
                {
                    "self": "http://0.0.0.0:8888/api/node/article/49d66a62-9130-4470-a794-1a52a3517366/relationships/type?_format=api_json",
                    "related": "http://0.0.0.0:8888/api/node/article/49d66a62-9130-4470-a794-1a52a3517366/type?_format=api_json"
                }
            },
            "uid":
            {
                "data":
                {
                    "type": "user--user",
                    "id": "6e95b823-4353-4986-854b-143254b6d528"
                },
                "links":
                {
                    "self": "http://0.0.0.0:8888/api/node/article/49d66a62-9130-4470-a794-1a52a3517366/relationships/uid?_format=api_json",
                    "related": "http://0.0.0.0:8888/api/node/article/49d66a62-9130-4470-a794-1a52a3517366/uid?_format=api_json"
                }
            },
            "revision_uid":
            {
                "data":
                {
                    "type": "user--user",
                    "id": "17046644-5da6-4a15-84bc-e415cb27f452"
                },
                "links":
                {
                    "self": "http://0.0.0.0:8888/api/node/article/49d66a62-9130-4470-a794-1a52a3517366/relationships/revision_uid?_format=api_json",
                    "related": "http://0.0.0.0:8888/api/node/article/49d66a62-9130-4470-a794-1a52a3517366/revision_uid?_format=api_json"
                }
            },
            "field_images":
            {
                "data":
                [
                    {
                        "type": "file--file",
                        "id": "f88d1bfc-04a5-4e7e-b836-7d92bbc80c87"
                    },
                    {
                        "type": "file--file",
                        "id": "2d8d097f-66ba-4f81-92ba-cf3d2b5140b7"
                    },
                    {
                        "type": "file--file",
                        "id": "e2cd5f09-be15-426b-bde2-bb075bcb2fc7"
                    }
                ],
                "links":
                {
                    "self": "http://0.0.0.0:8888/api/node/article/49d66a62-9130-4470-a794-1a52a3517366/relationships/field_images?_format=api_json",
                    "related": "http://0.0.0.0:8888/api/node/article/49d66a62-9130-4470-a794-1a52a3517366/field_images?_format=api_json"
                }
            },
            "field_terms":
            {
                "data":
                [
                    {
                        "type": "taxonomy_term--terms",
                        "id": "70ada5b4-fe97-4988-ab7d-c4dce4613e7c"
                    },
                    {
                        "type": "taxonomy_term--terms",
                        "id": "41c08747-597c-4fd4-aba7-330264c53db3"
                    },
                    {
                        "type": "taxonomy_term--terms",
                        "id": "975fa7b4-0b5c-4b54-a6f1-f0f4f05355fe"
                    }
                ],
                "links":
                {
                    "self": "http://0.0.0.0:8888/api/node/article/49d66a62-9130-4470-a794-1a52a3517366/relationships/field_terms?_format=api_json",
                    "related": "http://0.0.0.0:8888/api/node/article/49d66a62-9130-4470-a794-1a52a3517366/field_terms?_format=api_json"
                }
            }
        },
        "links":
        {
            "self": "http://0.0.0.0:8888/api/node/article/49d66a62-9130-4470-a794-1a52a3517366?_format=api_json"
        }
    },
    "links":
    {
        "self": "http://0.0.0.0:8888/api/node/article/49d66a62-9130-4470-a794-1a52a3517366?_format=api_json&q=api/node/article/49d66a62-9130-4470-a794-1a52a3517366"
    }
}

Client-side framework Ember.js perfectly works with Drupal 8 backend.

Ember
A framework for creating ambitious web applications.

Drupal
Launch, manage, and scale ambitious digital experiences - with the flexibility to build great websites or push beyond the browser.

JSON API
A specification for building apis in json.

Use JSON API drupal module.

Proudly open source.

See and read more:
http://buytaert.net/should-we-decouple-drupal-with-a-client-side-framework
http://buytaert.net/selecting-a-client-side-framework-for-drupal
http://buytaert.net/can-drupal-outdo-native-applications
https://www.youtube.com/watch?v=qiY8H6UWDm0
https://www.youtube.com/watch?v=O12qBp1lWUc

This is great, do you have any authentication against Drupal 8 techniques? I have looked here: https://github.com/simplabs/ember-simple-auth but it is missing some Drupal details.