From fb59d202004184662fd26c51c484263bb6f0080d Mon Sep 17 00:00:00 2001
From: Adrian Altner <altner@mailbox.org>
Date: Wed, 22 Apr 2026 02:13:39 +0200
Subject: [PATCH] Add invocation counter and logging to track fetch calls in
 getMentionsFor function

---
 src/lib/webmentions.ts | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/lib/webmentions.ts b/src/lib/webmentions.ts
index 5379b87..4f7de25 100644
--- a/src/lib/webmentions.ts
+++ b/src/lib/webmentions.ts
@@ -40,7 +40,7 @@ interface WMResponse {
 
 const API = 'https://webmention.io/api/mentions.jf2';
 
-const perTargetCache = new Map<string, WMEntry[]>();
+let invocationCounter = 0;
 
 async function fetchForTarget(target: string): Promise<WMEntry[]> {
 	const token = import.meta.env.WEBMENTION_TOKEN;
@@ -73,8 +73,8 @@ export async function getMentionsFor(target: string | URL): Promise<WMEntry[]> {
 	const withSlash = canonical.endsWith('/') ? canonical : `${canonical}/`;
 	const withoutSlash = canonical.replace(/\/+$/, '');
 
-	const cached = perTargetCache.get(canonical);
-	if (cached) return cached;
+	const invocation = ++invocationCounter;
+	console.log(`[webmentions getMentionsFor #${invocation}] target=${canonical}`);
 
 	const [a, b] = await Promise.all([fetchForTarget(withSlash), fetchForTarget(withoutSlash)]);
 	const seen = new Set<number>();
@@ -86,7 +86,7 @@ export async function getMentionsFor(target: string | URL): Promise<WMEntry[]> {
 		merged.push(m);
 	}
 
-	perTargetCache.set(canonical, merged);
+	console.log(`[webmentions getMentionsFor #${invocation}] returning ${merged.length} mentions for ${canonical}`);
 	return merged;
 }