util: remove class

Author: araujogui

lib/util.js

@@ -122,24 +122,10 @@ let styleCache;
 
 const kHexStyleCacheMax = 256;
 
-class HexStyleFIFOCache {
-  #cache = new SafeMap();
-
-  get(key) {
-    return this.#cache.get(key);
-  }
-
-  set(key, value) {
-    if (this.#cache.size >= kHexStyleCacheMax)
-      this.#cache.delete(this.#cache.keys().next().value);
-    this.#cache.set(key, value);
-  }
-}
-
 let hexStyleCache;
 
 function getHexStyleCache() {
-  hexStyleCache ??= new HexStyleFIFOCache();
+  hexStyleCache ??= new SafeMap();
   return hexStyleCache;
 }
 
@@ -180,6 +166,8 @@ function getHexStyle(hex) {
     openSeq: kEscape + rgbToAnsi24Bit(r, g, b) + kEscapeEnd,
     closeSeq: kHexCloseSeq,
   };
+  if (cache.size >= kHexStyleCacheMax)
+    cache.delete(cache.keys().next().value);
   cache.set(hex, style);
   return style;
 }