From 2d1a7eceb04376b277adb5b6d1530aa30d6e7a61 Mon Sep 17 00:00:00 2001
From: Nils Maier <maierman@web.de>
Date: Wed, 21 Aug 2019 19:47:49 +0200
Subject: [PATCH] "item is null"

Tentatively fixes #1
---
 scripts/gather.ts | 41 +++++++++++++++++++++++++----------------
 1 file changed, 25 insertions(+), 16 deletions(-)

diff --git a/scripts/gather.ts b/scripts/gather.ts
index ae15a3d..952f38f 100644
--- a/scripts/gather.ts
+++ b/scripts/gather.ts
@@ -109,25 +109,34 @@ class Gatherer {
   }
 
   *collectImagesInternal(img: HTMLImageElement) {
-    const src = img.currentSrc || img.src;
-    const item = this.makeItem(src, img);
-    item.fileName = "";
-    item.description = item.title;
-    yield item;
-
-    const {srcset} = img;
-    if (!srcset) {
-      return;
-    }
-    const imgs = srcset.split(",").flatMap(e => {
-      const idx = e.lastIndexOf(" ");
-      return (idx > 0 ? e.slice(0, idx) : e).trim();
-    });
-    for (const i of imgs) {
-      const item = this.makeItem(i, img);
+    try {
+      const src = img.currentSrc || img.src;
+      const item = this.makeItem(src, img);
       if (item) {
+        item.fileName = "";
+        item.description = item.title;
         yield item;
       }
+
+      const {srcset} = img;
+      if (!srcset) {
+        return;
+      }
+      const imgs = srcset.split(",").flatMap(e => {
+        const idx = e.lastIndexOf(" ");
+        return (idx > 0 ? e.slice(0, idx) : e).trim();
+      });
+      for (const i of imgs) {
+        const item = this.makeItem(i, img);
+        if (item) {
+          item.fileName = "";
+          item.description = item.title;
+          yield item;
+        }
+      }
+    }
+    catch (ex) {
+      console.error("oops image", ex.toString(), ex.stack, ex);
     }
   }