From 0f5d3afc4a0e747aa261f0652711670acb03188a Mon Sep 17 00:00:00 2001
From: Andrew Henry <akhenry@gmail.com>
Date: Wed, 2 Aug 2023 09:50:29 -0700
Subject: [PATCH] cherry pick (#6875) suppress deprecation warnings to once per
 unique args (#6881)

fix: suppress deprecation warnings to once per unique args (#6875)

Co-authored-by: Jesse Mazzella <ozyx@users.noreply.github.com>
---
 src/api/time/TimeContext.js | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/api/time/TimeContext.js b/src/api/time/TimeContext.js
index 8ff1657696..e18530331f 100644
--- a/src/api/time/TimeContext.js
+++ b/src/api/time/TimeContext.js
@@ -42,6 +42,7 @@ class TimeContext extends EventEmitter {
     this.activeClock = undefined;
     this.offsets = undefined;
     this.mode = undefined;
+    this.warnCounts = {};
 
     this.tick = this.tick.bind(this);
   }
@@ -648,6 +649,17 @@ class TimeContext extends EventEmitter {
   }
 
   #warnMethodDeprecated(method, newMethod) {
+    const MAX_CALLS = 1; // Only warn once per unique method and newMethod combination
+
+    const key = `${method}.${newMethod}`;
+    const currentWarnCount = this.warnCounts[key] || 0;
+
+    if (currentWarnCount >= MAX_CALLS) {
+      return; // Don't warn if already warned once
+    }
+
+    this.warnCounts[key] = currentWarnCount + 1;
+
     let message = `[DEPRECATION WARNING]: The ${method} API method is deprecated and will be removed in a future version of Open MCT.`;
 
     if (newMethod) {