fix(cover): null check element

1 files changed, 5 insertions, 1 deletions

diff --git a/src/lib/Media/Cover/hoverCover.ts b/src/lib/Media/Cover/hoverCover.ts
index 6cd4b086..2e483120 100644
--- a/src/lib/Media/Cover/hoverCover.ts
+++ b/src/lib/Media/Cover/hoverCover.ts
@@ -32,8 +32,12 @@ export const onMouseMove = (event: MouseEvent, imageWidth = 250) => {
 	const offset = 10;
 	let imageLeft = 0;
 	let imageTop = 0;
+	const elements = document.getElementsByClassName('hover-image');
+
+	if (elements.length === 0) return { height: 0, style: '' } as HoverCoverResponse;
+
 	const response: HoverCoverResponse = {
-		height: (document.getElementsByClassName('hover-image')[0] as HTMLImageElement).height,
+		height: (elements[0] as HTMLImageElement).height,
 		style: ''
 	};
 	const height = response.height || 0;