Format Title

controllers.application.js

import Ember from 'ember';
import { formatTitle } from '../helpers/format-title';

export default Ember.Controller.extend({
  appName: 'format-title',
  
  formattedTitle: Ember.computed('appName', {
  	get() {
    	return formatTitle(this.get('appName'));
  	}
  })
});

helpers.format-title.js

import Ember from 'ember';

const { isPresent, isArray } = Ember;

const { dasherize, capitalize } = Ember.String;

export function formatTitle(titleArg, fixtures) {
  let title = isArray(titleArg) ? titleArg[0] : titleArg;
  let formatted;
  if (isPresent(title)) {
    console.log(title);
    formatted = dasherize(title).split('-').map((word) => {
      return capitalize(word);
    }).join(' ');
  }
  if (isPresent(fixtures)) {
    if (isPresent(fixtures.prefix)) {
      formatted = `${fixtures.prefix} ${formatted}`;
    }
    if (isPresent(fixtures.suffix)) {
      formatted = `${formatted} ${fixtures.suffix}`;
    }
  }
  return formatted;
}

export default Ember.Helper.helper(formatTitle);

templates.application.hbs

<h1>Welcome to {{format-title appName}}</h1>

<p>{{formattedTitle}}</p>

twiddle.json

{
  "version": "0.7.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.4.3/ember.debug.js",
    "ember-data": "https://cdnjs.cloudflare.com/ajax/libs/ember-data.js/2.4.3/ember-data.js",
    "ember-template-compiler": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.4.3/ember-template-compiler.js"
  }
}