Only log prefetch and read errors when the debug flag is enabled (#118)

* fix: only log prefetch read errors when debug mode is enabled

* fix: only log page data read errors when debug mode is enabled

---------

Co-authored-by: an2n <>

Author: an2n

packages/nextjs-cache-handler/src/instrumentation/register-initial-cache.ts

@@ -291,12 +291,14 @@ export async function registerInitialCache(
           )
           .then((data) => (isAppRouter ? data : (JSON.parse(data) as object)))
           .catch((error) => {
-            console.warn(
-              "[CacheHandler] [%s] %s %s",
-              "registerInitialCache",
-              "Failed to read page data, assuming it does not exist",
-              `Error: ${error}`,
-            );
+            if (debug) {
+              console.warn(
+                "[CacheHandler] [%s] %s %s",
+                "registerInitialCache",
+                "Failed to read page data, assuming it does not exist",
+                `Error: ${error}`,
+              );
+            }
 
             return undefined;
           }),
@@ -305,12 +307,14 @@ export async function registerInitialCache(
               .readFile(`${pathToRouteFiles}.prefetch.rsc`, "utf-8")
               .then((data) => data)
               .catch((error) => {
-                console.warn(
-                  "[CacheHandler] [%s] %s %s",
-                  "registerInitialCache",
-                  "Failed to read page prefetch data, assuming it does not exist",
-                  `Error: ${error}`,
-                );
+                if (debug) {
+                  console.warn(
+                    "[CacheHandler] [%s] %s %s",
+                    "registerInitialCache",
+                    "Failed to read page prefetch data, assuming it does not exist",
+                    `Error: ${error}`,
+                  );
+                }
 
                 return undefined;
               })