data: chunkMultipleArrays: fix zero-items case

1 files changed, 4 insertions, 0 deletions

diff --git a/src/util/wiki-data.js b/src/util/wiki-data.js
index b5813c7..1c1db6c 100644
--- a/src/util/wiki-data.js
+++ b/src/util/wiki-data.js
@@ -71,6 +71,10 @@ export function chunkMultipleArrays(...args) {
   const arrays = args.slice(0, -1);
   const fn = args.at(-1);
 
+  if (arrays[0].length === 0) {
+    return [];
+  }
+
   const newChunk = index => arrays.map(array => [array[index]]);
   const results = [newChunk(0)];