Fix resize observer on error card (#5158)

* Fix resize observer on error card * Update hui-media-control-card.ts
2020-03-12 20:09:27 +01:00
parent 73e0fd614e
commit f54cd18da4
1 changed files with 6 additions and 1 deletions
@@ -521,7 +521,12 @@ export class HuiMediaControlCard extends LitElement implements LovelaceCard {
      debounce(() => this._measureCard(), 250, false)
    );

-    this._resizeObserver.observe(this.shadowRoot!.querySelector("ha-card")!);
+    const card = this.shadowRoot!.querySelector("ha-card");
+    // If we show an error or warning there is no ha-card
+    if (!card) {
+      return;
+    }
+    this._resizeObserver.observe(card);
  }

  private _handleMoreInfo(): void {