From 030d66d3dc7d1068009fb5e96a16c1ef6009ba10 Mon Sep 17 00:00:00 2001
From: Pavol Hejny <me@pavolhejny.com>
Date: Fri, 29 Mar 2024 11:06:55 +0100
Subject: [PATCH] Report just once

---
 src/SolutionRank.mjs | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/SolutionRank.mjs b/src/SolutionRank.mjs
index 6c7b77e..86fb66c 100644
--- a/src/SolutionRank.mjs
+++ b/src/SolutionRank.mjs
@@ -271,14 +271,20 @@ export class SolutionRank {
     }
 
     calculate() {
-        if (this._preferencesToBeRanked.size > 0) {
+        if (this._preferencesToBeRanked.size > 0 && !reportedCalculateWarningFor.has(this.title)) {
             console.warn(
                 `For ${this.title} there are ${this._preferencesToBeRanked.size} preferences not ranked: ${Array.from(
                     this._preferencesToBeRanked,
                 ).join(', ')}`,
             );
+            reportedCalculateWarningFor.add(this.title);
         }
 
         return this;
     }
 }
+
+/**
+ * @singleton
+ */
+let reportedCalculateWarningFor = new Set();