ed miranda

adapters.bar\.js

import RESTAdapter from '@ember-data/adapter/rest';

export default class extends RESTAdapter {}

adapters.foo\.js

import RESTAdapter from '@ember-data/adapter/rest';

export default class extends RESTAdapter {}

controllers.application\.js

import Controller from '@ember/controller';
import { inject } from '@ember/service';

export default class ApplicationController extends Controller {
  @inject store;
  
  constructor() {
    super(...arguments);
    
    pushPayload(this.store, 'foo', {
      foo: {
        id: 1,
        name: 'Foo 1',
        bar: 1
      },
      bars: [{
        id: 1,
        name: 'Bar 1'
      }]
    });
    
    const foo = this.store.peekRecord('foo', 1);
    
    console.log('foo has a bar relationship');
    console.log(foo.get('name'), foo.get('bar.name'));
    
    pushPayload(this.store, 'foo', {
      foo: {
        id: 1,
        name: 'Foo 1*',
        bar: null // Remove this
      }
    });
    
    console.log('is relationship removed?');
    console.log(foo.get('name'), foo.get('bar.name'));
  } 
}















export function pushPayload(store, modelName, rawPayload) {
  const ModelClass = store.modelFor(modelName);
  const serializer = store.serializerFor(modelName);
  const jsonApiPayload = serializer.normalizeResponse(store, ModelClass, rawPayload, null, 'query');

  return store.push(jsonApiPayload);
}

models.bar\.js

import Model from 'ember-data/model';
import attr from 'ember-data/attr';

export default class extends Model {
  @attr name;
}

models.foo\.js

import Model from 'ember-data/model';
import attr from 'ember-data/attr';
import { belongsTo, hasMany } from 'ember-data/relationships';

export default class extends Model {
  @attr name;
  @belongsTo('bar') bar;
}

router\.js

import EmberRouter from '@ember/routing/router';
import config from './config/environment';

const Router = EmberRouter.extend({
  location: 'none',
  rootURL: config.rootURL
});

Router.map(function() {
});

export default Router;

serializers.bar\.js

import RESTSerializer from 'ember-data/serializers/rest';

export default class extends RESTSerializer { 

}

serializers.foo\.js

import RESTSerializer from 'ember-data/serializers/rest';

export default class extends RESTSerializer { 

}

twiddle\.json

{
  "version": "0.17.1",
  "EmberENV": {
    "FEATURES": {},
    "_TEMPLATE_ONLY_GLIMMER_COMPONENTS": false,
    "_APPLICATION_TEMPLATE_WRAPPER": true,
    "_JQUERY_INTEGRATION": true
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/3.5.1/jquery.js",
    "ember": "3.18.1",
    "ember-template-compiler": "3.18.1",
    "ember-testing": "3.18.1"
  },
  "addons": {
    "@glimmer/component": "1.0.0",
    "ember-data": "3.18.0"
  }
}