Ember Error Routing Experiments

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle'
});

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() {
  this.route('bts', { path: '/:id' }, function() {
    this.route('fire', { path: '/:id' })
  })
});

export default Router;

routes.bts.fire.js

import Ember from 'ember';
import RSVP from 'rsvp';
export default Ember.Route.extend({
  model({ id }) {
    console.log('--\n\n routes/bts/fire#model', id);
    if (id === "die") {
      return RSVP.reject("Dead");
    }
  },
  
  actions: {
    /**
    * If you provide an error handler, your model's error
    * will be handled in it; your error template `fire-error`
    * won't render
    */
    error(e) {
      console.log('--\n\n routes/bts/fire#actions.error', e)
      /**
      * If you `return true` in your model hook
      * you bubble it up and therefore cause your
      * error template to render
      */ 
      // return true
    }
  }
});

routes.bts.js

import Ember from 'ember';
import RSVP from 'rsvp';
export default Ember.Route.extend({
  model({ id }) {
    console.log('--\n\n routes/bts#model', id);
    if (id === "die") {
      return RSVP.reject("Dead");
    }
  }
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{outlet}}
<br>
<br>
<div>
  {{#link-to "bts.fire" "ok" "ok" }}
    Successful Render
  {{/link-to}}
</div>

<div>
  {{#link-to "bts.fire" "ok" "die" }}
    Die on bts/fire
  {{/link-to}}
</div>

templates.bts-error.hbs

<h3>BTS-Error</h3>

templates.bts.fire-error.hbs

<h4>Fire-Error!!</h4>

templates.bts.fire.hbs

<h4>Fire!!</h4>

templates.bts.hbs

<h3>BTS</h3>
{{outlet}}

twiddle.json

{
  "version": "0.15.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "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"
  }
}