From 01c00e1503a291e38f92e4437636676f6b00c494 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gon=C3=A7alo=20Val=C3=A9rio?= <gon@ovalerio.net>
Date: Sat, 1 May 2021 15:54:04 +0100
Subject: [PATCH] make cache max-age setting configurable

---
 index.js              | 3 ++-
 wrangler.toml.example | 1 +
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/index.js b/index.js
index 058439b..bd793a0 100644
--- a/index.js
+++ b/index.js
@@ -19,6 +19,7 @@ async function handleRequest(request) {
   const cacheUrl = new URL(request.url)
   const cacheKey = new Request(cacheUrl.toString(), request)
   const cache = caches.default
+  const cacheMaxAge = CACHE_MAX_AGE || 3600
   let response = await cache.match(cacheKey)
   if (response) return response
 
@@ -29,7 +30,7 @@ async function handleRequest(request) {
     response = new Response(content, {
       headers: {
         'content-type': 'text/html;charset=UTF-8',
-        'Cache-Control': 'max-age=3600',
+        'Cache-Control': `max-age=${cacheMaxAge}`,
         'Content-Security-Policy':
           "script-src 'none'; style-src cdn.jsdelivr.net;",
       },
diff --git a/wrangler.toml.example b/wrangler.toml.example
index bc5e746..5c76cee 100644
--- a/wrangler.toml.example
+++ b/wrangler.toml.example
@@ -14,6 +14,7 @@ FEEDS = ""
 MAX_SIZE = 50
 TITLE = "ADD_YOUR_TITLE_HERE"
 DESCRIPTION = "ADD_YOUR_DESCRIPTION_HERE"
+CACHE_MAX_AGE = "NUMBER_OF_SECONDS"
 
 [triggers]
 crons = ["0 */2 * * *"]