Inner Component Routing

components.bar-component.js

import Ember from 'ember';

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

components.foo-component.js

import Ember from 'ember';

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

components.inner-link.js

import Ember from 'ember';
import layout from '../templates/components/inner-link';

const {
  assert,
  get
} = Ember;

const Link = Ember.Component.extend({
  layout,
  tagName: 'a',
  targetRouteName: '',
  models: null,
  queryParams: null,
  parent: null,
  
  click() {
    this.parent.transitionTo(
      this.targetRouteName,
      this.models,
      this.queryParams
    );
  },
  
  didReceiveAttrs() {
    let queryParams;
    let params = get(this, 'params');

    if (params) {
      // Do not mutate params in place
      params = params.slice();
    }

    assert('You must provide one or more parameters to the link-to component.', (() => {
      if (!params) {
        return false;
      }

      return params.length;
    })());

    this.set('targetRouteName', params.shift());

    let lastParam = params[params.length - 1];

    if (lastParam && lastParam.isQueryParams) {
      queryParams = params.pop();
    } else {
      queryParams = { values: {} };
    }
    this.set('queryParams', queryParams);

    // 4. Any remaining indices (excepting `targetRouteName` at 0) are `models`.
    this.set('models', params);
  }
});

Link.reopenClass({
  positionalParams: 'params'
});

export default Link;

components.route-component.js

import Ember from 'ember';

export default Ember.Component.extend({
  currentRoute: null,
  model: null,
  queryParams: null,
  modelFor(models) {
    return Promise.resolve(models);
  },
  transitionTo(currentRoute, models, queryParams) {
    return this.modelFor(models).then((model) => {
      this.setProperties({
        currentRoute,
        model,
        queryParams
      });
    });
  }
});

controllers.application.js

import Ember from 'ember';

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

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
<h3>Routable Area 1</h3>
{{route-component currentRoute='foo-component'}}

<h3>Routable Area 2</h3>
{{route-component currentRoute='bar-component'}}
<br>
<br>

templates.components.bar-component.hbs

<h3>I am mighty Bar Component!</h3>
{{component linkTo 'foo-component'}}

templates.components.foo-component.hbs

<h3>I am mighty Foo Component!</h3>
{{component linkTo 'bar-component'}}

templates.components.inner-link.hbs

{{#unless hasBlock}}
  {{targetRouteName}}
{{/unless}}
{{yield}}

templates.components.route-component.hbs

{{component currentRoute
  model=model
  linkTo=(component 'inner-link' parent=this)
}}

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": {}
}