Disabled Link

components.my-thumbnail.js

import Ember from 'ember';

export default Ember.Component.extend({
  routeName: null,
  isLinkEnabled: true
});

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
});

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('foo');
});

export default Router;

routes.foo.js

import Ember from 'ember';

export default Ember.Route.extend({
});

styles.app.css

body {
  margin: 12px 16px;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 16px;
}

* {
  box-sizing: border-box;
}

.MyThumbnail-link {
  display: block;
  width: 350px;
  padding: 30px 15px;
  border: 1px solid #333;
  border-radius: 5px;
  color: inherit;
  text-decoration: none;
}

.MyThumbnail-input {
  width: 100%;
  margin-top: 15px;
  padding: 10px;
  font-size: 14px;
}

templates.application.hbs

{{my-thumbnail routeName="foo"}}

<p>
	{{outlet}}
</p>

templates.components.my-thumbnail.hbs

{{#link-to (if isLinkEnabled routeName null) 
	class="MyThumbnail-link"
}}
	<div>
  	Click here or in any of the white space to trigger the link
  </div>
  
  {{input 
    class="MyThumbnail-input"
    placeholder="Clicking me should not trigger the link"
    focusIn=(action set "isLinkEnabled" false)
    focusOut=(action set "isLinkEnabled" true)
  }}
{{/link-to}}

templates.foo.hbs

YOU ARE IN THE FOO ROUTE 

<p>
	{{link-to "Exit" "application"}}
</p>

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": "2.12.2"
  }
}