fix: filter out empty srcset (#2863)

vitejs · Apr 6, 2021 · fe0e754 · fe0e754
1 parent 0dc6e37
commit fe0e754
Showing 1 changed file with 10 additions and 7 deletions.
diff --git a/packages/vite/src/node/utils.ts b/packages/vite/src/node/utils.ts
@@ -374,13 +374,16 @@ export async function processSrcSet(
   srcs: string,
   replacer: (arg: ImageCandidate) => Promise<string>
 ) {
-  const imageCandidates: ImageCandidate[] = srcs.split(',').map((s) => {
-    const [url, descriptor] = s
-      .replace(escapedSpaceCharacters, ' ')
-      .trim()
-      .split(' ', 2)
-    return { url, descriptor }
-  })
+  const imageCandidates: ImageCandidate[] = srcs
+    .split(',')
+    .map((s) => {
+      const [url, descriptor] = s
+        .replace(escapedSpaceCharacters, ' ')
+        .trim()
+        .split(' ', 2)
+      return { url, descriptor }
+    })
+    .filter(({ url, descriptor }) => url && descriptor)
 
   const ret = await Promise.all(
     imageCandidates.map(async ({ url, descriptor }) => {