Fix home screen snowflake overlay performance issue...for real this time?

scripts/homeScreen.js

@@ -168,11 +168,16 @@
                 }
 
                 if (enableSeasonalAnimations) {
-                    // Use the snowverlay.js script to add snowflakes to the background
+                    // Check if snowverlay script is already added
-                    const snowverlayScriptSrc = (window.KefinTweaksConfig.kefinTweaksRoot || '') + 'scripts/snowverlay.js';
+                    const snowverlayScript = document.querySelector('script[src*="snowverlay.js"]');
-                    const snowverlayScript = document.createElement('script');
+                    
-                    snowverlayScript.src = snowverlayScriptSrc;
+                    if (!snowverlayScript) {
-                    document.head.appendChild(snowverlayScript);
+                        // Use the snowverlay.js script to add snowflakes to the background
+                        const snowverlayScriptSrc = (window.KefinTweaksConfig.kefinTweaksRoot || '') + 'scripts/snowverlay.js';
+                        const snowverlayScript = document.createElement('script');
+                        snowverlayScript.src = snowverlayScriptSrc;
+                        document.head.appendChild(snowverlayScript);
+                    }
                 }
 
             } else if (isValentinesPeriod()) {

scripts/snowverlay.js

@@ -1,4 +1,10 @@
 function addSnowverlay() {
+    // Check if snowverlay canvas is already added
+    const snowverlayCanvas = document.querySelector('.snowverlay');
+    if (snowverlayCanvas) {
+        return;
+    }
+
     // Configuration constants
     const CANVAS_HEIGHT_PX = 160;
     const SNOWFLAKE_AMOUNT = 15;