Merge pull request #47 from styxlab/fix-isr-file-cache

catch exception, if file cache cannot be written
styxlab · Feb 14, 2021 · 3c23a94 · 3c23a94 · vercel · Feb 14, 2021
2 parents 74a0fb8 + 7fc2a00
commit 3c23a94
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/lib/cache.ts b/lib/cache.ts
@@ -31,5 +31,9 @@ export function setCache(key: string | null, object: unknown): void {
   if (!makeDirectory(cacheRoot)) return
 
   const filePath = path.join(cacheRoot, `${key}.txt`)
-  fs.writeFileSync(filePath, JSON.stringify(object as JSON))
+  try {
+    fs.writeFileSync(filePath, JSON.stringify(object as JSON))
+  } catch (error) {
+    console.warn('Could not write to file cache. This is expected during ISR, but not during deploy.', error)
+  }
 }