From 1ffaf8526179145fd86ed4287993fa619df7d25d Mon Sep 17 00:00:00 2001
From: "google-labs-jules[bot]"
 <161369871+google-labs-jules[bot]@users.noreply.github.com>
Date: Tue, 30 Jun 2026 12:54:03 +0000
Subject: [PATCH] =?UTF-8?q?=E2=9A=A1=20Optimize=20array=20lookup=20for=20P?=
 =?UTF-8?q?R=20impact=20calculation?=
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Replace O(N) array find() with O(1) Set lookup

Co-authored-by: julesklord <801266+julesklord@users.noreply.github.com>
---
 src/lib/parser.js | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/lib/parser.js b/src/lib/parser.js
index 89e616d..37f3eb3 100644
--- a/src/lib/parser.js
+++ b/src/lib/parser.js
@@ -4586,9 +4586,12 @@ function calcPRRisk(prData, repoData) {
     var changedFiles = prData.files || [];
     var totalBlast = 0;
     var hotspots = [];
+    var repoFilePaths = new Set();
+    if (repoData.files) {
+        repoData.files.forEach(function(df) { repoFilePaths.add(df.path); });
+    }
     changedFiles.forEach(function(f) {
-        var existing = repoData.files.find(function(df) { return df.path === f.filename; });
-        if (existing) {
+        if (repoFilePaths.has(f.filename)) {
             var blast = calcBlast(f.filename, repoData.connections, repoData.files);
             totalBlast += blast.count;
             if (blast.count > 5) hotspots.push({ file: f.filename, blast: blast.count });