Fix CPU and Browser Usuage (#4935)

2020-02-20 09:57:14 +01:00
parent 52609dded9
commit fc88922ce3
1 changed files with 5 additions and 3 deletions
@@ -87,9 +87,11 @@ export class HuiHistoryGraphCard extends LitElement implements LovelaceCard {
      return;
    }

-    const oldConfig = changedProps.get("_config") as
-      | HistoryGraphCardConfig
-      | undefined;
+    if (!changedProps.has("_config")) {
+      return;
+    }
+
+    const oldConfig = changedProps.get("_config") as HistoryGraphCardConfig;

    if (oldConfig !== this._config) {
      this._getStateHistory();