From 45f8fb9f0505719b41e5bcb22475b413b50bcab2 Mon Sep 17 00:00:00 2001
From: Neal Beeken <neal.beeken@mongodb.com>
Date: Thu, 17 Aug 2023 14:36:48 -0400
Subject: [PATCH] chore(NODE-5544): fix duplicate PR highlights (#3816)

---
 .github/scripts/highlights.mjs |  5 ++++-
 .github/scripts/pr_list.mjs    | 12 ++++++++----
 2 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/.github/scripts/highlights.mjs b/.github/scripts/highlights.mjs
index 49cea1bff1..6df213dced 100644
--- a/.github/scripts/highlights.mjs
+++ b/.github/scripts/highlights.mjs
@@ -70,7 +70,10 @@ async function pullRequestHighlights(prs) {
   if (!highlights.length) return '';
 
   highlights.unshift('## Release Notes\n\n');
-  return highlights.join('\n\n');
+
+  const highlight = highlights.join('\n\n');
+  console.log(`Total highlight is ${highlight.length} characters long`);
+  return highlight;
 }
 
 console.log('List of PRs to collect highlights from:', prs);
diff --git a/.github/scripts/pr_list.mjs b/.github/scripts/pr_list.mjs
index 68639e2dea..6b31cd25c1 100644
--- a/.github/scripts/pr_list.mjs
+++ b/.github/scripts/pr_list.mjs
@@ -13,10 +13,14 @@ const historyFilePath = path.join(__dirname, '..', '..', 'HISTORY.md');
  */
 function parsePRList(history) {
   const prRegexp = /node-mongodb-native\/issues\/(?<prNum>\d+)\)/iu;
-  return history
-    .split('\n')
-    .map(line => prRegexp.exec(line)?.groups?.prNum ?? '')
-    .filter(prNum => prNum !== '');
+  return Array.from(
+    new Set(
+      history
+        .split('\n')
+        .map(line => prRegexp.exec(line)?.groups?.prNum ?? '')
+        .filter(prNum => prNum !== '')
+    )
+  );
 }
 
 const historyContents = await fs.readFile(historyFilePath, { encoding: 'utf8' });