From 42eea0d8a93701e892f5e7a6540f6d3a487f6a40 Mon Sep 17 00:00:00 2001
From: Michael <michaelmrowetz@gmail.com>
Date: Mon, 3 Sep 2018 20:26:08 +0200
Subject: [PATCH] fix TS3 lint

---
 src/ts/waterfall/details-overlay/overlay-manager.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ts/waterfall/details-overlay/overlay-manager.ts b/src/ts/waterfall/details-overlay/overlay-manager.ts
index 7b6a92de..d054f770 100644
--- a/src/ts/waterfall/details-overlay/overlay-manager.ts
+++ b/src/ts/waterfall/details-overlay/overlay-manager.ts
@@ -146,7 +146,7 @@ class OverlayManager {
       // if overlay has a preview image show it
       const previewImg = infoOverlay.querySelector("img.preview") as HTMLImageElement;
       if (previewImg && !previewImg.src) {
-        previewImg.setAttribute("src", previewImg.attributes.getNamedItem("data-src").value);
+        previewImg.setAttribute("src", (previewImg.attributes.getNamedItem("data-src") || { value: "" }).value);
       }
       (infoOverlay.querySelector("a") as HTMLAnchorElement)
         .addEventListener("keydown", OverlayManager.firstElKeypress);