boolOr

controllers.application.js

import Ember from 'ember';

function boolOr() {
    var propertyNames = Array.prototype.slice.call(arguments);
    var computed = Em.computed(function() {
      var properties = {};
      for (var i = 0; i < propertyNames.length; i++) {
        properties[propertyNames[i]] = Em.get(this, propertyNames[i]);
      }
      for (var key in properties) {
        if (properties.hasOwnProperty(key) && properties[key]) {
          return true;
        }
      }
      return false;
    });
    return computed.property.apply(computed, propertyNames);
}

export default Ember.Controller.extend({
  starredDate: new Date(),
  deletedData: new Date(),
  starredOrDeleted: Ember.computed.or('starredDate', 'deletedData'), 
  isHighlightedOr: Ember.computed.bool('starredOrDeleted'),
  isHighlightedBoolOr: boolOr('starredDate', 'deletedData'),
});

templates.application.hbs

<h1>computed.boolOr</h1>
<p>starredDate: {{starredDate}}</p>
<p>deletedData: {{deletedData}}</p>
<p>starredOrDeleted: {{starredOrDeleted}}</p>
<p>or + bool isHighlighted: {{isHighlightedOr}}</p>
<p>boolOr isHighlighted: {{isHighlightedBoolOr}}</p>

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": {}
}