From be7ca9223b6997e5fc410d3fd820f227eaeea1c5 Mon Sep 17 00:00:00 2001
From: anyulled <100741+anyulled@users.noreply.github.com>
Date: Wed, 3 Jun 2026 08:27:59 +0000
Subject: [PATCH] feat: [performance improvement]

Replaced O(N*M) nested loop with an O(N) hash map lookup when matching job offers to sponsors.

Co-authored-by: google-labs-jules[bot] <161369871+google-labs-jules[bot]@users.noreply.github.com>
---
 lib/supabase/public-queries.ts | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/lib/supabase/public-queries.ts b/lib/supabase/public-queries.ts
index 00030f64..f7452b24 100644
--- a/lib/supabase/public-queries.ts
+++ b/lib/supabase/public-queries.ts
@@ -176,8 +176,18 @@ export async function getJobOffersForEdition(edition: string): Promise<Company[]
 
   const companies: Company[] = [];
 
+  const offersBySponsor = new Map<string, typeof offers>();
+  offers?.forEach((o) => {
+    const existing = offersBySponsor.get(o.sponsor_id);
+    if (!existing) {
+      offersBySponsor.set(o.sponsor_id, [o]);
+    } else {
+      existing.push(o);
+    }
+  });
+
   sponsors.forEach((sponsor) => {
-    const sponsorOffers = offers?.filter((o) => o.sponsor_id === sponsor.id) || [];
+    const sponsorOffers = offersBySponsor.get(sponsor.id) || [];
 
     if (sponsorOffers.length > 0) {
       const mappedOffers: JobOffer[] = sponsorOffers.map((o) => ({