Issue 5160 - Alias new class names and properties.

lib/subscriptionClasses.js

Index: lib/subscriptionClasses.js
===================================================================
--- a/lib/subscriptionClasses.js
+++ b/lib/subscriptionClasses.js
@@ -12,17 +12,17 @@
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 "use strict";
 
-const {Subscription, SpecialSubscription, DownloadableSubscription} =
+const {Subscription, UserDefinedSubscription, DownloadableSubscription} =
     require("compiled");
 
 /**
  * This property allows iterating over the list of filters. It will delete
  * references automatically at the end of the current loop iteration. If you
  * need persistent references or element access by position you should use
  * Subscription.filterAt() instead.
  * @type {Iterable}
@@ -46,11 +46,45 @@
             filter.delete();
           }
         }
       }.bind(this)
     };
   }
 });
 
+Object.defineProperty(DownloadableSubscription.prototype, "expires", {
+  get()

[hub, 2017/10/11 19:42:02]

I chose to make the aliases non enumerable.

+  {
+    return this.hardExpiration;
+  },
+  set(value)
+  {
+    this.hardExpiration = value;
+  }
+});
+
+Object.defineProperty(DownloadableSubscription.prototype, "errors", {
+  get()
+  {
+    return this.errorCount;
+  },
+  set(value)
+  {
+    this.errorCount = value;
+  }
+});
+
+Object.defineProperty(DownloadableSubscription.prototype, "version", {
+  get()
+  {
+    return this.dataRevision;
+  },
+  set(value)
+  {
+    this.dataRevision = value;
+  }
+});
+
 exports.Subscription = Subscription;
-exports.SpecialSubscription = SpecialSubscription;
+exports.UserDefinedSubscription = UserDefinedSubscription;
+exports.SpecialSubscription = UserDefinedSubscription;
 exports.DownloadableSubscription = DownloadableSubscription;