Alternative-Proposal-to-TTI-Measurement

browse.collection.index.template.hbs

<h2>
browse/collection/index/template.hbs
</h2>
{{outlet}}

browse.collection.template.hbs

<h2>
browse/collection/template.hbs
</h2>
{{outlet}}

browse.template.hbs

<h2>
browse/template.hbs
</h2>
{{outlet}}

controllers.application.js

import Ember from 'ember';

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

did-load.component.js

import Ember from 'ember';

export default Ember.Component.extend({
  tagName: '',
  didInsertElement() { 
    this.action()
  }
}).reopenClass({
  positionalParams: ['action']
});

did-load.template.hbs

{{yield}}

game.pdp.gallery.template.hbs

<h2>
game/pdp/gallery/template.hbs
</h2>
{{outlet}}

game.pdp.index.template.hbs

<h2>
game/pdp/index/template.hbs
</h2>
{{outlet}}

game.pdp.template.hbs

<h2>
game/pdp/template.hbs
</h2>
{{outlet}}

game.preplay.index.template.hbs

<h2>
game/preplay/index/template.hbs
</h2>
{{outlet}}

game.preplay.launch.template.hbs

<h2>
game/preplay/launch/template.hbs
</h2>
{{outlet}}

game.preplay.template.hbs

<h2>
game/preplay/template.hbs
</h2>
{{outlet}}

game.template.hbs

<h2>
game/template.hbs
</h2>
{{outlet}}

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('game', function() { 
    this.route('preplay', function() {
      this.route('launch')
    })
  	this.route('pdp', function() { 
    	this.route('gallery')
    })
  })
  
  this.route('browse', function() { 
    this.route('collection', function() { 
    })
  })
});

export default Router;

services.tti.js

import Ember from 'ember';

function* product(setA, setB) { 
  for(const a of setA) { 
    for(const b of setB) {
      yield [a, b]
    }
  } 
}

function* map(itA, fn) {
  for(const a of itA) { 
    yield fn(a)
  }
}
export default Ember.Service.extend({
  init() { 
    this.starts = new Set()
    this.finishes = new Set()
  },
  
  start(name) { 
    const start = { name, time: performance.now() }
    this.starts.add(start)
    return () => {
      this.starts.remove(start)
    }
  },
  
  finish(name) { 
    const finish = { name, time: performance.now() }
    this.finishes.add(finish)
    return () => {
      this.finishes.remove(finish)
    }
  },
  
  reportAll(cb) {
    const _a = product(this.start, this.finish)
    const _b = map(_a, ([start, finish]) => ({
      name: `${start.name}-->${finish.name}`,
      duration: finish.time - start.time
    }))
    cb(_b)
  }
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{outlet}}
<br>
<br>

tti-finish.component.js

import Ember from 'ember';
import { inject as service } from '@ember/service';

export default Ember.Component.extend({
  tagName: '',
  
  tti: service('tti'),
  
  actions: {
    register(tti, name) { 
      tti.finish(name)
    }
  }
}).reopenClass({
  positionalParams: ['locationName']
});

tti-finish.template.hbs

{{did-load (action 'register' tti @locationName)}}
{{yield}}

tti-start.component.js

import Ember from 'ember';
import { inject as service } from '@ember/service';

export default Ember.Component.extend({
  tagName: '',
  
  tti: service('tti'),
  
  actions: {
    register(tti, name) { 
      tti.start(name)
    }
  }
}).reopenClass({
  positionalParams: ['locationName']
});

tti-start.template.hbs

{{will-destroy (action 'register' tti @locationName)}}
{{yield}}

twiddle.json

{
  "version": "0.15.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": true,
    "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"
  }
}

will-destroy.component.js

import Ember from 'ember';

export default Ember.Component.extend({
  tagName: '',
  willDestroyElement() { 
    this.action()
  }
}).reopenClass({
  positionalParams: ['action']
});

will-destroy.template.hbs

{{yield}}