https://stackoverflow.com/questions/44359956/ember-model-not-bind-dynamically-using-link-to

controllers.application.js

import Ember from 'ember';

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

router.js

import Ember from 'ember';
import config from './config/environment';

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

Router.map(function() {
  this.route('todos',function(){
    this.route('show',{path:'/:id'});
  });
});

export default Router;

routes.todos.js

import Ember from 'ember';

export default Ember.Route.extend({
  model(){
    console.log(' todos params ');
    return [{id:1,desc:'todos model data1'},{id:2,desc:'todos model data2'} ];
  }
});

routes.todos.show.js

import Ember from 'ember';

export default Ember.Route.extend({
  model(params)
  {
    console.log(' params.id ', params.id);
    if(params.id === '1'){
      return { id:1, desc:'show model data-1'};
    } else if(params.id === '2'){
      return { id:2, desc:'show model data-2'};
    }
  }
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
{{link-to 'todos' 'todos' }}
<br>
{{outlet}}
<br>
<br>

templates.todos.hbs

{{#each model as |todo|}}
{{log todo}}
 {{#link-to 'todos.show' todo}} {{todo.desc}} {{/link-to}}
{{/each}}
{{outlet}}

templates.todos.show.hbs

<h1> detailed view </h1>
{{model.id}} - {{model.desc}}

twiddle.json

{
  "version": "0.12.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.12.0",
    "ember-template-compiler": "2.12.0",
    "ember-testing": "2.12.0"
  },
  "addons": {
    "ember-data": "2.12.1"
  }
}