From 2eb635e070f23f72bc87b9e8443ef31121121806 Mon Sep 17 00:00:00 2001
From: SegaraRai <SegaraRai@users.noreply.github.com>
Date: Sun, 24 Dec 2023 01:27:36 +0900
Subject: [PATCH] chore: add comments

---
 swEntry.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/swEntry.ts b/swEntry.ts
index 6a0d5c2..a062a6e 100644
--- a/swEntry.ts
+++ b/swEntry.ts
@@ -233,6 +233,7 @@ async function handleEvent(url: URL, event: FetchEvent): Promise<Response> {
     : undefined;
   if (fixedLocationHeader) {
     if (resFixed.status >= 300 && resFixed.status < 400) {
+      // iOS seems to not be able to handle manually created redirect responses returned from the Service Worker
       return Response.redirect(fixedLocationHeader, resFixed.status);
     }
 
@@ -243,7 +244,7 @@ async function handleEvent(url: URL, event: FetchEvent): Promise<Response> {
 }
 
 // start
-async function start() {
+async function start(): Promise<void> {
   // workbox
   const precacheController = new PrecacheController();
   tweakPrecacheStrategyToUseAssetArchive(