Ember.js #14697 (htmlSafe) sample use case

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  init() {
    const foo = this.get('store').createRecord('foo', {
      text: '<b>foo</b>'
    });
    
    this.set('foo', foo);
  },
  
  foo: null,
  
  savedValue: '',
  
  actions: {
    saveValue() {
      this.set('savedValue', Ember.copy(this.get('foo.safeText')));
    }
  }
});

models.foo.js

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

export default Model.extend({
  text: attr('string'),
  
  safeText: Ember.computed('text', function() {
    return Ember.String.htmlSafe(this.get('text'));
  })
});

templates.application.hbs

<p>No htmlSafe: {{foo.text}}</p>
<p>htmlSafe: {{foo.safeText}}</p>
<p>Saved value: {{savedValue}}</p>

<button type="button" {{action 'saveValue'}}>Save</button>

twiddle.json

{
  "version": "0.10.6",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.9.0",
    "ember-data": "2.9.0",
    "ember-template-compiler": "2.9.0",
    "ember-testing": "2.9.0"
  },
  "addons": {}
}