j-

const isBoundary = (ch) => `a${ch}b`.split(/\b/).length > 1;

isBoundary('a'); // => false
isBoundary('A'); // => false
isBoundary('1'); // => false
isBoundary(' '); // => true
isBoundary('.'); // => true
isBoundary(','); // => true
isBoundary('|'); // => true
isBoundary('/'); // => true

j-

console.clear();

import Em from 'ember';

export const BaseController = Em.Controller.extend({
  appName: 'Ember Twiddle',
  
  foobar: function () {
    console.count('_super() called');
    return 'foobar';

j-

console.clear();

import Em from 'ember';

export default Em.Controller.extend({
  appName: 'Ember Twiddle',
  
  init: function () {
    this._super();
    this.testDebounceInline();

j-

console.clear();

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  
  foo: false,
  bar: false,
  

j-

console.clear();

import Ember from 'ember';

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

const EXPECTED = Ember.computed(function (key) {
  throw new Error(`Expected property "${key}" to be set`);

j-

console.clear();

import Em from 'ember';

export default Em.Controller.extend({
  appName: 'Ember Twiddle',
  
  arr: Em.computed(function () {
    return Em.A();
  }),

j-

import Ember from 'ember';

export default Ember.Component.extend({
  classNames: ['activity-indicator'],
  
  ref: null,
  
  refObserver: Ember.observer('ref', function () {
    const $el = Ember.$(this.$());
    $el.removeClass('activity');

j-

import Em from 'ember';

const ModelController = Em.ObjectProxy.extend({
  bar: Em.computed('content.bar', function () {
    return this.get('content.bar').toLowerCase();
  }),
  
  foobar: Em.computed('foo', 'bar', function () {
  	return this.get('foo') + this.get('bar');
  }),

j-

import Em from 'ember';

console.clear();

export default Ember.Controller.extend({
  foo: false,
  bar: false,
  
  fooAndBar: Em.computed.alias('foo') && Em.computed.alias('bar'),
  

j-

console.clear();

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  
  prop: 'foobar',
  
  obs: Em.observer('prop', function () {