Allow filtering and sorting by last_changed and last_updated. Fix #44

src/filter.js

@@ -120,6 +120,25 @@ export function entity_filter(hass, filter) {
             return false;
           break;
 
+        case 'last_changed':
+          {
+            const now = new Date().getTime();
+            const changed = new Date(entity.last_changed).getTime();
+            if(!match(value, (now-changed)/60000))
+              return false;
+            break;
+          }
+
+        case 'last_updated':
+          {
+            const now = new Date().getTime();
+            const updated = new Date(entity.last_updated).getTime();
+
+            if(!match(value, (now-updated)/60000))
+              return false;
+            break;
+          }
+
         default:
           return false;
       }

src/sort.js

@@ -65,6 +65,19 @@ export function entity_sorter(hass, method) {
           if(_b === undefined) return gt;
         }
         return compare(_a, _b);
+      case "last_changed":
+        method.numeric = true;
+        // Note A and B are swapped because you'd most likely want to sort by most recently changed first
+        return compare(
+          new Date(entityB.last_changed).getTime(),
+          new Date(entityA.last_changed).getTime()
+        );
+      case "last_updated":
+        method.numeric=true;
+        return compare(
+          new Date(entityB.last_changed).getTime(),
+          new Date(entityA.last_changed).getTime()
+        );
       default:
         return 0;
     }