current week only

components.week-only.js

import Ember from 'ember';
import computed from 'ember-computed';
import moment from 'moment';

export default Ember.Component.extend({
  
  days: computed(function() {
    let now = moment();
    let day = now.clone().startOf('week');
    let lastDay = now.clone().endOf('week');
    let days = [];
    while (day.isBefore(lastDay)) {
      let copy = day.clone();
      let isCurrentMonth = copy.month() === now.month();
      days.push({ date: copy._d, moment: copy, isCurrentMonth });
      day.add(1, 'day');
    }
    return days;
  }),

  currentWeek: computed('isShowingCurrentWeek', function() {
    let days = this.get('days');
    let weeks = [];
    let i = 0;
    while (days[i]) {
      weeks.push({ days: days.slice(i, i + 5) });
      i += 5;
    }
    return weeks;
  })
});

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>
{{outlet}}
<br>
<br>

{{week-only}}

templates.components.week-only.hbs

{{#power-calendar as |calendar|}}
  {{calendar.nav}}

  <div class="ember-power-calendar-row ember-power-calendar-weekdays">
  
    <div class="ember-power-calendar-weekday">Sun</div>
    <div class="ember-power-calendar-weekday">Mon</div>
    <div class="ember-power-calendar-weekday">Tue</div>
    <div class="ember-power-calendar-weekday">Wed</div>
    <div class="ember-power-calendar-weekday">Thu</div>
    <div class="ember-power-calendar-weekday">Fri</div>
    <div class="ember-power-calendar-weekday">Sat</div>
  </div>
  <div class="ember-power-calendar-day-grid">
    {{#each currentWeek as |week|}}
      <div class="ember-power-calendar-row ember-power-calendar-week">
        {{#each week.days as |day|}}
          <div class="ember-power-calendar-day {{if day.isCurrentMonth 'ember-power-calendar-day--current-month'}}">
            {{moment-format day.date 'D'}}
          </div>
        {{/each}}
      </div>
    {{/each}}
  </div>
{{/power-calendar}}

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",
    "ember-power-calendar": "*"
  }
}