New Twiddle

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  
  actions: {
    addName: function() {
      if (this.get("name")) {
        const newName = this.get("name");
        const newRecord = this.store.createRecord("info", { name: newName });
        newRecord.save();
      } else {
        alert("Please input data first");
      }
    }
  }
});

mirage.config.js

export default function() {
	this.get('/infos');
  this.post('/infos');
};

mirage.factories.info.js

import { Factory } from 'ember-cli-mirage';

export default Factory.extend();

mirage.models.info.js

import { Model } from 'ember-cli-mirage';

export default Model;

models.info.js

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

export default Model.extend({
  name: attr('string')
});

routes.application.js

import Ember from 'ember';

export default Ember.Route.extend({
  model() {
    return this.store.findAll('info');
  }
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{#each model as |info|}}
  <p>{{info.name}} - {{info.id}}</p>
{{/each}}

{{input value=name}}
<button {{action 'addName'}}>Save</button>

twiddle.json

{
  "version": "0.15.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "ENV": {
    "ember-cli-mirage": {
      "enabled": true
    }
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js",
    "ember": "3.4.3",
    "ember-template-compiler": "3.4.3",
    "ember-testing": "3.4.3"
  },
  "addons": {
    "ember-data": "3.4.2",
    "ember-cli-mirage": "0.4.14"
  }
}